JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.

A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.

Here's some projects that our expert Javascript Developers made real:

  • Developed interactive websites & apps with detailed user accounts experience
  • Created powerful applications that streamline complex data into actionable insights
  • Built custom Windows and Mac software designed to fit client specifications
  • Developed mobile apps that enables customers to access data from their phones
  • Connected databases to web interfaces with easy input/output functionality
  • Optimized existing code for faster loading pages and smoother user workflows

Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!

From 638,830 reviews, clients rate our Javascript Developers 4.9 out of 5 stars.
Hire Javascript Developers

JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.

A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.

Here's some projects that our expert Javascript Developers made real:

  • Developed interactive websites & apps with detailed user accounts experience
  • Created powerful applications that streamline complex data into actionable insights
  • Built custom Windows and Mac software designed to fit client specifications
  • Developed mobile apps that enables customers to access data from their phones
  • Connected databases to web interfaces with easy input/output functionality
  • Optimized existing code for faster loading pages and smoother user workflows

Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!

From 638,830 reviews, clients rate our Javascript Developers 4.9 out of 5 stars.
Hire Javascript Developers

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    Greetings I'm in URGENT need of a Crypto Gateway Server Web-Linked Application that can facilitate two-way conversions of (M0 and M1)off-ledger funds to USDT on the private server. The file contains fiat funds which will be converted to and from the private Server. Key Requirements: - Programming Language: I prefer the server application to be developed using either Node.js (slightly preferred) or Python. The developer should possess expertise in one of these languages and be capable of writing well-structured, efficient code. - Payment Gateway Integration: Integration with a payment gateway is essential to receive payments in USDT seamlessly. The developer must have prior experience with payment gateways and be adept at integrating them into applications. - The ability to handle ...

    $1719 Average bid
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    55 bids

    # **Professional Projects – Ansh Mali** ### **Web Development Projects** * **Quiz Website** – Designed and developed a fully interactive quiz platform with a user-friendly interface, real-time scoring, and responsive design for an engaging user experience.() * **Educational Institute Website** – Built a professional website for an educational institute featuring course information, admission details, faculty sections, contact forms, and a modern, responsive layout.() * **Gym & Fitness Website** – Developed a responsive fitness website showcasing membership plans, training programs, trainer profiles, schedules, and motivational design elements to enhance user engagement.() * **Restaurant Website** – Created a modern restaurant website with an elega...

    $7 / hr Average bid
    $7 / hr Avg Bid
    47 bids

    My WooCommerce store needs two things tightened up: rock-solid messaging and a clean, mobile-friendly login screen. 1. Messaging layer I already have accounts with Msg91 and Airtel DLT. Please wire both into WooCommerce so the site can: • send order and status SMS alerts, and • issue OTP codes during sign-up, checkout, and password reset. Messages must flow through the Airtel DLT template/route so they stay fully compliant. All API keys, sender IDs, templates, and headers will be supplied once you’re onboard. Your code should plug into WooCommerce hooks, keep the admin interface simple, and support future template changes without editing core files. 2. Login page redesign I only need the login page touched. It must display perfectly on phones and tablets; deskto...

    $14 Average bid
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    19 bids

    I’m putting together a new project and need an experienced full-stack developer who can take ownership of both the server-side logic and the client-side experience. The scope is deliberately open at this stage—I want to discuss whether we’re building from scratch, refining an existing codebase, or zeroing-in on a few stubborn bugs—so you’ll have a real chance to shape the direction and choose the most sensible approach. On the frontend I’m flexible: React, Angular, or Vue.js are all acceptable as long as component structure stays clean and maintainable. For the backend, bring whatever stack you feel most productive with (Node, Python, Ruby, Go, .NET—convince me). What matters most is readable code, sensible architecture, and test coverage that giv...

    $2025 Average bid
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    75 bids

    I want to launch a dynamic, highly engaging website dedicated to Indian domestic tour packages. The look and feel should invite visitors to explore, click, and interact rather than passively scroll, so smooth animations, micro-interactions, and clear visual cues are important. Core objective The site must let users choose a package, fill out a tour-booking form, and confirm their reservation online. Everything—from selecting dates to receiving an email confirmation—should happen seamlessly on the site itself. Key features I expect • A responsive, interactive design that loads quickly on desktop and mobile • A database-driven tour listing that I can update without touching code • A step-by-step booking form connected to real-time availability and basic p...

    $10 / hr Average bid
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    62 bids

    I need an engineer who understands Safari and WebKit inside out to help me extend a Shopify store with a robust product-review and rating feature. I am already running the core e-commerce flow; what is missing is a seamless, responsive review layer that behaves perfectly in Safari on macOS and iOS while remaining solid in the other major browsers. Here is what I am after: • A custom JavaScript module (vanilla JS or a lightweight framework) that lets shoppers leave star ratings, write comments, and view aggregate scores in real-time. • Styling that matches my current Shopify theme, with no layout shifts in Safari’s rendering engine. • Event tracking hooks so I can feed review data into existing analytics. • A small admin utility—built with Shopify A...

    $13689 Average bid
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    65 bids

    I run a digital wedding‑invitation platform and I'm looking for a talented creative front‑end developer to design and build modern, stylish, animated invitation templates. This is an ongoing need — I'll hire per template, and if the work is great, I'll keep sending more. Each template is a self‑contained front‑end prototype. My developer integrates it into the platform, so you do not need to touch any backend, database, or framework — you just build a beautiful, animated invitation page that runs in a browser. Each template must include • A working, self‑contained HTML/CSS/JS prototype (one .html file, or + + ) that runs by opening it in a browser. • Real animation and interactivity: an intro/opening effect (e.g. curtains, an envelope, doors), scroll...

    $26 Average bid
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    72 bids

    I want a clean, modern portfolio site that presents my work at a glance and feels effortless to navigate on desktop and mobile. The core pages I have in mind are a visually striking homepage, a project gallery with filterable thumbnails, an about section, and an easy-to-use contact page. Design should be image-driven, minimalist, and fast-loading, with subtle animations that enhance rather than distract. I’m happy to supply final copy and project images; you would handle layout, responsive styling, basic on-page SEO, and deployment to my hosting once we sign off. I’m comfortable with either a lightweight custom build (HTML/CSS/JS) or a CMS such as WordPress if that speeds updates in the future—feel free to recommend the best fit. Deliverables • Fully responsi...

    $57 Average bid
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    75 bids

    I’m getting ready to market a line of turnkey portfolio sites aimed at small-business owners who want a professional online presence without the agency price tag. Every site must ship with an intuitive contact form, a clear service-listings section, and a rotating customer-testimonials block—those three elements are non-negotiable because they speak directly to conversion for this audience. Here’s what I need from you: • Three responsive, mobile-first themes (home, about, services, contact) built on a platform that keeps content edits simple—WordPress, Webflow or a similarly user-friendly stack all work for me. • Clean, well-commented code and optimized assets so page-load times stay snappy. • Straightforward documentation that walks me—or...

    $202 Average bid
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    81 bids

    I'm looking for a skilled web developer to create a mobile-compatible website for my NGO. The site should primarily increase awareness about our organization and feature a gallery of paintings. Requirements: - Pages: About Us, Gallery, Contact Us, Our Mission - Visual Style: Modern and clean, with a focus on artwork - Mobile compatibility is essential Ideal Skills and Experience: - Proficiency in responsive web design - Experience in developing NGO or art gallery websites - Strong portfolio showcasing modern and clean designs - Ability to integrate donation features (if needed in the future) Please submit samples of your previous work and a brief outline of your approach.

    $491 Average bid
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    98 bids

    I need a fully-responsive website that presents my JEE and NEET Physics faculty in a sleek, modern, and clean style. The build is straightforward but must be polished: • Home – a welcoming snapshot of our coaching approach, optimised for quick loading on mobile and desktop. • Courses – includes detailed course descriptions, an intuitive enrollment form that pushes submissions straight to my email, and space to showcase authentic student testimonials. • Contact Us – simple form plus clickable phone and location info so prospects can reach me without friction. Please code with current best practices (HTML5, CSS3, lightweight JS or a familiar framework of your choice) so the layout adapts smoothly to every screen size. Once the three pages and the listed...

    $80 Average bid
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    62 bids

    Single HTML page Creation for wordpress, i want you to recreate the HTML with nice impactful strucure and text. should work seamlessly in both desktop, tablet & mobile Below is the structure 1. Hero H1: "Confidence, backed by science." + brand promise "Real Science. Real Results. Real You." Two CTAs: Book a Consultation (primary, terracotta) and WhatsApp Us. Float card highlighting the Free X6 AI Skin & Hair Analysis — your strongest launch hook. 2. Trust strip (thin band, immediately below fold) Doctor-Led · X6 AI Analysis · Backed by NDV Healthcare · Open All Days 10:30–8:30. This answers "can I trust you?" before they scroll further — critical for a new clinic with no review history yet. 3. Concern router &...

    $5 Average bid
    Guaranteed
    $5
    14 entries

    My browser-based 3D maze () works smoothly on desktop, yet mobile browsers choke. I need an experienced web-game optimiser to: • Diagnose the bottlenecks in the current Web build (likely WebGL asset size, compression, streaming, or shader setup). • Apply best-practice fixes so the game opens quickly and runs fluidly on standard Android and iOS browsers without breaking the existing desktop experience. • Provide a reproducible build process and a brief change log so I can maintain it going forward. Acceptance criteria – Game loads in under 5 seconds on a typical 4G connection using Chrome’s network throttling. – Sustains ~30 fps on a mid-range Android (Pixel 4a class) and iPhone SE. – No new functional regressions on desktop. Deliverables...

    $24 Average bid
    Featured
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    33 bids

    I’m ready to launch a DayZ server that stands out for balanced progression, custom gameplay, and immersive survival. To make that happen I need an experienced developer-administrator who can take the project from empty files to a polished, live environment that players genuinely want to revisit. Here’s what I’ve mapped out so far: Gameplay Focus • Balanced progression • Custom gameplay features • Deep, immersive survival loops Mod Direction • Quality-of-life improvements that streamline play without dumbing it down • Fresh weapons and gear to keep looting exciting • New maps or locations that expand exploration and end-game options Where I need your expertise • Setting up the entire server environment (clean install...

    $428 Average bid
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    87 bids

    I need a modern, fully responsive website that reflects my brand’s professionalism and works flawlessly on every screen size. The design should load quickly, follow current UX/UI best practices, and be built with clean, well-documented code so future updates or hand-offs are painless. Key elements I want included: • Professional, mobile-first layout with rapid page load times • Intuitive admin panel (WordPress, React-based CMS, or similar) that lets me update text, images, and meta data without touching code • Secure contact form with spam protection • On-page SEO fundamentals implemented from the start—semantic markup, optimized images, meta tags, and schema where appropriate • Robust security hardening and HTTPS configuration Please structur...

    $100835 Average bid
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    72 bids

    I am looking for an “expert” in SEO to optimise my new ecommerce store to improve visibility and ranking on Google and other search engines. My webstore uses Hostinger with WordPress WooCommerce. Being a retired gent making gifts made from oak wood plus car badge clocks my budget is very modest. I have no issue with the expert using one of the many free SEO plug-ins (Rank Math SEO / SEOPress / Yoast SEO?) but the results must be manually checked by the “Expert” before implementation and adjusted were necessary. The expert is to also inform me of any serious changes and explain why these changes are necessary together with regular updates on what is being proposed. For information my webstore has about 30 products along with about 8 main/subpages. Finally, I have fou...

    $157 Average bid
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    197 bids

    My original Divi-based portfolio went offline after the theme folder vanished. I still have the complete database dump, uploads, plugin files, and a full export of pages—everything except the Divi theme itself. I need the site restored on a fresh WordPress install so that it looks and behaves the same (or better) without my having to purchase another Divi license. Key items to recreate • Project showcases presented in a clean grid layout, retaining the imagery, captions, and links already stored in the media library/database. • A dedicated About Me/Team section drawn from the existing page content and formatting. You are free to reinstall Divi (if you hold a license) or replicate the design with an alternative theme or builder—Elementor, Gutenberg blocks, or c...

    $132 Average bid
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    200 bids

    We are looking for an experienced developer to upgrade our existing Python/FastAPI backend and implement a new subscription model in our React Native mobile application. Additionally, you will be responsible for setting up automated video rendering and social media posting workflows. Milestone 1: Backend Refactoring (Python/FastAPI) Completely remove the Playwright dependency to reduce RAM and CPU overhead. Integrate a premium JSON Search API (details provided upon hire) to fetch image data quickly. Ensure our custom extraction logic (OpenCV) and integration with our internal APIs remains intact and performs efficiently on the new data stream. New Feature: Implement functionality to extract data directly from specific "creator profiles" as an additional data source. Ensure robu...

    $99 Average bid
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    60 bids

    I'm a Full-Stack Developer with 8+ years of experience designing, building, and scaling web applications across the MERN and modern JavaScript ecosystem. My work spans end-to-end product engineering — from architecting backend services and APIs to building responsive, performant frontends used by real users in production. My expertise lies in backend engineering, RESTful and event-driven architectures, database design, and cloud infrastructure. I also work extensively across frontend systems, state management, and CI/CD-driven delivery. Over the years, I have: Built and maintained scalable backend services using Node.js and Express, handling REST APIs, authentication, and business logic for production applications Developed dynamic, responsive frontends using React.js and , inc...

    $10 / hr Average bid
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    38 bids

    Looking for someone with strong logic skills and American-like English. not another high-stress coding grind. We're hiring someone who's great with people and quick to pick up new codebases, to serve as a technical interviewer evaluating software engineers on behalf of our US client companies. What makes this role different: This is not a traditional development position. You'll be an interviewer for software engineer candidates. You won't be maintaining legacy code or racing deadlines. Instead, you'll use your coding logic and communication skills to guide candidates through live coding interviews, assessing their technical ability while keeping the process smooth and encouraging. Role structure: - Starts as a 2-week part-time trial (also paid) - Transiti...

    $14 / hr Average bid
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    99 bids
    Web 3D Virtual Fitting Room
    6 days left
    Verified

    I’m building a browser-based virtual fitting room where visitors receive precise size recommendations by dressing a fully adjustable 3D avatar that mirrors their own body. Users will upload a single full-body photo; the system must extract key measurements automatically, generate the avatar on-the-fly, and feed those dimensions into the fit algorithm. Only body measurements need to be customizable for now—no facial or aesthetic tweaks—so the flow can stay fast and focused on accuracy. I expect the core to be a or scene (open to your preferred WebGL framework) tied to a lightweight machine-learning service for photo analysis. A Python/Node API that returns parsed measurements in real time would suit my stack, but let me know if you have a cleaner approach. Delivera...

    $153 Average bid
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    119 bids
    Window Estimate Dropdown App
    6 days left
    Verified

    I need a small program that lets me build clear, professional cost estimates for my window-replacement customers. The flow I have in mind is simple: I open the app, choose a window style from a dropdown that shows thumbnail images, enter the size and quantity etc. Window styles should not be limited to only single-hung, double-hung, or casement; I want the structure flexible so I can upload or swap in any window image/category in the future without code changes. A clean, modern interface is important because I’ll be sharing my screen with homeowners while we talk to use platform Core deliverables • A working desktop or browser-based application (whichever you’re strongest at) • Dropdown gallery of window images with easy add/replace functionality • Real-t...

    $103 Average bid
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    205 bids
    Redesign Look & Feel Website
    6 days left
    Verified

    We want to change the template of this website: WPBakery Page Builder Version 8.0.1 The new theme: The only page where the structure will change is the Home page. The information itself will remain the same. All other pages and sections of the website will keep the exact same information, structure, and content, but with the new look and feel. We need a modern look tailored to the clinic's branding. Please note that the website includes a shopping cart. This must also feature the new look and feel (while keeping the information exactly the same):

    $134 Average bid
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    261 bids

    I need someone who can jump on a screenshare with me right away and push my Shopify storefront into the green on Google PageSpeed Insights. My own tests show slow page loading, unoptimized images, and excessive script calls, so the job is laser-focused on three fronts: • Page-load time – core pages must feel instantaneous on desktop and mobile • Image optimization – compress or convert without hurting visual quality • Script minification – trim, defer, or combine Liquid/JS wherever possible You’ll be working live on a remote session; no direct store access is provided outside that call. Please bring proven Shopify theme-level experience, a solid grasp of Liquid, JS, and modern performance tooling, and be comfortable explaining each change before...

    $65 Average bid
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    30 bids

    am seeking an experienced developer to create a modern, fully functional custom mod for called "Slither X." The goal is to recreate the comprehensive experience of the classic Slither X mod, optimized for the current version of the game. ​Core Requirements: ​"Slither X" Branding: The mod must feature the icon customized with an "X" logo, representing the "Slither X" brand. ​Custom Skin System: I need a complete skin injection system. The mod must allow for a wide variety of custom skins. The developer should implement a reliable method for the game to recognize and render these custom textures properly. ​Classic "Slither X" Features: The HUD and overall interface should be a 1:1 recreation of the classic Slither X layout. It needs to incl...

    $31 Average bid
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    40 bids

    I need a clean, single-page website that quickly tells visitors everything they need to know about the hybrid (online + in-person) courses I offer. The page should load fast, look polished on both desktop and mobile, and guide users from a brief program overview down to an easy-to-find enrolment button or contact form. Content sections I have in mind: • Hero banner with a concise value statement • At-a-glance course catalogue (clearly marked as hybrid) • How the hybrid format works (short text + simple icon row) • Upcoming start dates and fees • Call-to-action for enrolment or enquiry I can supply the copy and a few images; you handle the layout, responsive styling, and any light scripting needed for smooth scrolling or form validation. A lightweight stac...

    $17 Average bid
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    49 bids

    I have set aside 40 dedicated hours to put my web application through a full quality-assurance workout. The build must perform flawlessly in Chrome, Firefox and Safari, so every finding has to be reproduced on each of those browsers. During the engagement I need three complementary perspectives: • Functional testing – confirm every feature behaves as specced, with clear, reproducible steps when it does not. • Usability testing – note friction points, confusing flows or visual glitches that might trip up real users. • Performance testing – baseline page-load times and key workflow response times, flag slow spots and include lightweight stress checks. Deliverables I expect at the end of the 40 hours: 1. A structured bug/issue log (spreadsheet or Jira e...

    $93 Average bid
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    98 bids
    Urgent Node.js Web App Build
    6 days left
    Verified

    I’m looking for a skilled Node.js developer who can start right away and take full ownership of building a production-ready web application. The core goal is clear: deliver a solid, scalable Node.js backend that serves a modern web interface. Here’s what I need from you: • Set up the project structure (preferably Express or a comparable lightweight framework) with clean, well-commented code. • Advise on and integrate the most suitable database layer. • Establish routing, middleware, and any environment configuration required for a smooth deployment flow (dev, staging, production). • Collaborate with me to refine any missing feature details and map them into a clear sprint plan so that we keep velocity high. I can share the domain concept and user flo...

    $14 Average bid
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    57 bids

    I want to launch a fully-featured online poker platform that players can access directly or that operators can bolt onto an existing casino / sportsbook via a clean, well-documented API. The core games are Texas Hold'em and Omaha, both running on a provably fair RNG with real-time hand history and rake tracking. Players should be able to register, log in and start a table or join an existing one, then deposit through Credit or Debit Card and the most popular cryptocurrencies (BTC, ETH, USDT). A cashier module with KYC hooks, risk limits and automated withdrawals is required so the site can run at the lowest possible operational fee. The user interface must follow a completely custom design. I will provide brand guidelines; everything from lobby to table animations should match that ...

    $39 Average bid
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    67 bids

    Title: Experienced / React Frontend Developer Needed for Existing Gaming / Esports Website I have an existing gaming/esports website built with and React.js. The website is already functional, and most of the frontend has been completed. I am looking for an experienced frontend developer to review the existing frontend and complete the remaining UI improvements, responsiveness fixes, and visual refinements without rebuilding the project. Scope of Work * Review the existing frontend and codebase * Implement UI changes based on my instructions and reference designs * Improve the overall UI/UX and visual consistency * Fix all remaining responsive issues across mobile, tablet, and desktop * Improve layouts, spacing, alignment, typography, buttons, cards, modals, forms, and navigation * I...

    $20 Average bid
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    51 bids
    AI SMS Email List Manager
    6 days left
    Verified

    I need an AI-driven system that automatically pulls phone numbers and email addresses from my web forms, social-media entry points, and a set of existing databases. As each contact arrives the platform must deduplicate, tag the exact capture source, and sort it by source, engagement level, and location. A clean web dashboard should let me review every record, edit details inline, and approve or discard contacts in bulk. Each contact card needs a clear line showing where it came from. Whenever an email bounces or an SMS is returned, the address or number has to be suppressed instantly, with all such events rolled into one daily summary report. You are free to choose the stack—Python, Node.js, or something comparable—but the finished product must plug into Twilio for SMS and a...

    $1010 Average bid
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    190 bids

    I have a Bitbucket repo that houses two services—one in Python, the other in JavaScript—and I need a clean CI/CD pipeline that automatically builds Docker images and deploys them to AWS. Here is what I’m trying to achieve: • Every push to the main (and ideally feature) branches triggers unit tests, linting, and a Docker build for both services. • Successful builds are tagged and pushed to a private AWS ECR repository. • On passing tests, the pipeline should deploy the latest images to an AWS environment (ECS or EKS; I’m open to whichever you recommend and can justify). • Rollbacks should be straightforward—either via tagged images or Bitbucket Pipelines’ deployment history. • Clear, in-repo documentation so that anyo...

    $84 Average bid
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    46 bids

    I have a functioning website whose code base was generated with CODEX. The underlying logic works well, yet the front-end experience needs to be friendlier and fully accessible. My immediate goal is to refine the user interface with a strong emphasis on accessibility and to add a reliable, easy-to-use search feature. Here is what I expect next: • Accessibility first: audit the current HTML/CSS/JS, then introduce semantic markup, ARIA roles, keyboard-friendly controls, color-contrast fixes and any other adjustments required to meet at least WCAG 2.1 AA. • Smart on-site search: implement or integrate a fast search function that indexes all public pages and returns relevant results instantly. The solution can be custom JavaScript, Algolia, ElasticSearch, or another proven tool&m...

    $78 Average bid
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    50 bids

    My WordPress site (built with the free version of Elementor) has a Buy Now PayPal button on the payments page—see the very bottom of Since the recent rebuild the button still displays, yet it throws error messages once a customer tries to pay. I’m using a Business PayPal account and need that single Buy Now flow running smoothly again. Three check-boxes on the page (“I agree…” style) must all be ticked before PayPal is allowed to launch, exactly the way it worked before. Elementor’s pro PayPal widget isn’t an option, so the fix will likely involve custom HTML, PayPal Smart Buttons or similar script added to the page. Deliverable: • Cleanly coded PayPal Buy Now button integrated into the existing layout, respecting the mandatory check...

    $48 Average bid
    $48 Avg Bid
    202 bids
    Zoho Commerce Reviews & GTM
    6 days left
    Verified

    I need a clean, verifiably working integration between my Zoho Commerce store and Google’s Customer Reviews program. Your first task is to create a fresh Google Tag Manager container—there isn’t one in place now—and load it only with Google Analytics and Google Ads conversion tracking tags. Please avoid any redundant or legacy snippets so the container stays lean. Once GTM is live, add the Google Customer Reviews opt-in module to the site. I’m flexible on styling; feel free to keep the default look or adjust logos, colours and copy if that speeds up approval. What matters is that Google Merchant Center recognises the integration without warnings and begins collecting survey data. When everything is functioning, hand over a short document (Google Doc or PDF i...

    $73 Average bid
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    23 bids

    I’m planning a new utility-style Android application and want to team up with a developer who can turn the concept into a polished product. The goal is a single code-base that runs smoothly on smartphones, tablets, and popular wearable devices. Scope • Shape the core feature set with me from early wireframes through a functional MVP. • Build clean, maintainable Kotlin/Java code that follows current Android best practices, Material Design, and responsive-layout guidelines. • Handle Play Store preparation—package signing, versioning, and listing assets. • Set up a lightweight CI/CD flow (GitHub Actions or similar) so future iterations ship quickly. • Provide basic analytics hooks and crash reporting for post-launch insight. What I’ll suppl...

    $131 Average bid
    $131 Avg Bid
    86 bids

    Looking for a collaborator who is full stack engineer on EU Salary is negotiable.

    $451 Average bid
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    122 bids

    I’m looking for one trusted full-stack developer to take over an existing mobile chat app and bring it to production. The project already has: 1. Flutter mobile app UI/screens 2. Existing backend codebase 3. Admin panel 4. Database schema and API work started 5. Existing app concept, design assets, and APK builds The remaining work is mainly: Review and clean up the existing codebase Connect the Flutter app to the backend APIs Complete authentication and user onboarding Complete real-time chat functionality Fix backend issues and missing production features Implement safety/reporting/blocking flows Complete media sharing and notification flows Prepare app for production deployment Improve testing, security, and reliability Support app store readiness if needed Required Skills 1. F...

    $271 Average bid
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    100 bids
    Trophy icon Deploy Bilingual Landing Page
    1 day left

    I already have the full HTML for a landing page in both Arabic and English, plus the logo artwork. What I still need is the last mile: • Tidy the existing code so the look stays modern and clean on desktop and mobile. • Insert a contact form that sends every submission to a specific email address I will give you. • Add two simple sections—About Us and Service Overview—using the text I’ll supply once we start. • Upload everything to my current hosting account and make sure the form works on both language versions. A quick test of responsiveness and final links back to me will be the acceptance criteria. If you’re comfortable with cPanel (or similar) and can wrap this up smoothly, let’s get started.

    $50 Average bid
    Guaranteed
    $50
    122 entries

    I have the copy, layout, colour palette and a video sales letter ready to go—now I just need a skilled developer to turn that plan into a live, fast-loading landing page under my own domain. Platform flexibility I’m open to WordPress, Wix, Squarespace or any other tool you favour, provided I receive full admin access once the page is launched. Prefer not to pay any additional subscriptions. Core functionality • Embed my Outlook calendar directly on the page so visitors can lock in a call without leaving. • Send every form submission into MailerLite to trigger my existing email automation. • Push the same lead data into Zoho CRM • Host and autoplay the video sales letter above the fold with muted start, custom controls and clean fallback for mobi...

    $386 Average bid
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    254 bids

    I need an experienced Python developer to review my desktop application code. The goal is to enhance performance and maintainability. Key tasks include: - Identifying and fixing bugs - Improving code efficiency - Enhancing code readability Ideal skills and experience: - Proficiency in Python, especially for desktop applications - Strong debugging skills - Experience with code optimization and readability improvements - Familiarity with best coding practices and design patterns Please provide examples of previous similar work.

    $601 Average bid
    $601 Avg Bid
    182 bids

    I need a lightweight CRM layer that pulls every new lead generated through our existing touchpoints—Offerly on Shopify, abandoned checkouts on Shopify, Instagram DMs, WhatsApp Business messages, and calls or website chat handled by Podium—into one central place. The system must merge duplicates and store the essentials (name, contact, channel, message history, and timestamp) so my team can stop juggling tabs and focus on closing sales. Once a lead lands in the database it should immediately: • assign that lead to an associate automatically (round-robin is fine for now, but please build the logic in a way that I can swap in other rules later), and • open a follow-up task with a clear due date and the channel context pre-filled. A concise web dashboard—or an...

    $251 Average bid
    $251 Avg Bid
    76 bids

    We are looking for an experienced Full-Stack Java Trainer with strong expertise in Java, Spring Boot, REST APIs, and either React or Angular. The ideal candidate must have successfully completed Karat certification/assessment and should have prior experience delivering corporate training to professionals. Required Skills: Core Java & Advanced Java Spring Boot, Spring MVC, Hibernate/JPA RESTful API Development React.js or Angular HTML, CSS, JavaScript, TypeScript SQL (MySQL/PostgreSQL) Git, Maven/Gradle Microservices (preferred) Good understanding of software development best practices Mandatory Requirements: Karat Certified (or successfully completed the Karat assessment) Proven experience as a corporate trainer or technical mentor Strong communication and presentation skills Abili...

    $49 / hr Average bid
    $49 / hr Avg Bid
    29 bids

    Website: Currently, it is a single-vendor online bookstore selling physical academic books for Calcutta University undergraduate students. In the future, I may upgrade to a multi-vendor marketplace, but this project is only for the current single-vendor website. Website Stack WordPress WooCommerce WoodMart Theme Fluent Forms Easy Login & Register Popup Shiprocket WP Rocket Rank Math SEO Primary Tasks 1. Fix OTP Performance (Highest Priority) The biggest issue is OTP performance. Current problems: Login with OTP takes 12–19 seconds. Signup with OTP takes 12–19 seconds. Password reset OTP is also slow. OTP screen loads very slowly. Need to identify the root cause and optimize the complete OTP flow. 2. Website Speed Optimization Need to improve overall website performanc...

    $94 Average bid
    Featured
    $94 Avg Bid
    59 bids

    A WEB DEVELOPER FROM DELHI/NCR (PREFERABLY A GIRL) You are required to build a Placement Portal Application (PPA) web application that allows Admin (Institute), Companies, and Students to interact with the system based on their roles. Frameworks to be used These are the mandatory frameworks on which the project has to be built. Flask for API VueJS for UI VueJS Advanced with CLI (only if required, not necessary) Jinja2 templates if using CDN only for entry point (not to be used for UI) Bootstrap for HTML generation and styling (no other CSS framework is allowed) SQLite for database (no other database is permitted) Redis for caching Redis and Celery for batch jobs Note: All demos should be possible on your local machine. Any other framework/library will not be allowed apart from tho...

    $90 Average bid
    $90 Avg Bid
    48 bids

    I have a Flask-based analytics dashboard that needs a refresh. The main focus is the data display section, where I want to make information clearer, friendlier, and more engaging. Here’s what I need: • Visual polish: update icons and graphics so the interface feels modern and consistent across all pages. • Feature expansion: add a couple of small but useful data-display features (for example, quick sorting, simple filtering, or basic drill-downs). I’m open to your suggestions on what will boost usability the most. The current codebase is clean Flask with Jinja templates, Bootstrap, and Chart.js. You’ll work in a Git branch, keep commits tidy, and make sure existing routes, authentication, and API calls remain untouched. Deliverables: 1. Updated templates, s...

    $32 Average bid
    $32 Avg Bid
    70 bids

    I’m looking for a secure, scalable e-commerce site built from the ground up rather than on a hosted platform such as Shopify, WooCommerce or Magento. The goal is to give both buyers and sellers a smooth experience while keeping full control over the codebase, design, and future growth of the site. Core requirements • A clean product catalog where sellers can upload detailed listings with multiple pictures. • A shopping cart and checkout flow that handles discounts, taxes, and shipping rules reliably. • Customer reviews shown on each product page to build trust. • Secure payment integration (credit/debit cards and popular wallets) processed over HTTPS with PCI-compliant gateways. • User roles with separate subscription plans: one tier for sellers wh...

    $127 Average bid
    $127 Avg Bid
    142 bids

    # Custom E-Commerce Website Development (Nutrition & Supplement Store) ## Project Overview Developed a modern, responsive, and high-performance e-commerce website for a nutrition and supplement brand. The website is designed to provide a seamless shopping experience while maintaining a premium brand identity. **Live Website:** ## Technologies Used * React.js * JavaScript (ES6+) * HTML5 * CSS3 * Bootstrap / Responsive Design * REST APIs * Node.js * * MongoDB * Payment Gateway Integration ## Features Implemented * Modern and responsive UI for desktop, tablet, and mobile. * Product listing with categories and filtering. * Product detail pages with images and descriptions. * Shopping cart functionality. * Secure checkout process. * User registration and login. * Order management s...

    $557 Average bid
    $557 Avg Bid
    96 bids

    I need a partner who can handle my entire online presence—from building a polished business website to running high-performing digital campaigns—while keeping everything aligned with our brand identity. Website build I want a modern WordPress site (custom HTML / CSS / JavaScript welcomed where needed) that showcases and sells our online services. The look and tone must stay fully consistent with our existing brand guidelines. Once live, you’ll keep it healthy with routine maintenance, speed tuning, and prompt bug fixes. Traffic & visibility Search-engine optimisation is essential. I’m aiming for noticeable ranking gains on Google, so I expect solid on-page work, technical SEO checks, and a smart content plan. Campaign management Please set up and optimise Met...

    $28 Average bid
    $28 Avg Bid
    27 bids

    I need a complete web application built from the ground up, covering everything from early requirements gathering through final deployment. Because there’s no fixed deadline, quality and maintainability matter more to me than speed, so we can plan a realistic roadmap together and iterate thoughtfully. Here’s how I picture the collaboration unfolding: we’ll refine the feature set, choose an appropriate stack (I’m happy with modern JavaScript or Python frameworks—React, , Node.js, Express, or Django, for example), and agree on a clean architecture that’s easy to scale and test. You’ll handle both front-end and back-end coding, design a well-structured database, and set up CI/CD so each push automatically deploys to a staging environment. Deliverabl...

    $240 Average bid
    $240 Avg Bid
    101 bids

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