Software Development Jobs

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 264,637 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 264,637 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

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    I need a developer who can stream raw LiDAR packets directly into a live point-cloud renderer and have that same data trigger real-time incident reports inside our existing “Alarm Reports” environment. The visual side must handle continuous, high-density point clouds with smooth pan, zoom, and color mapping, updating as new frames arrive. Performance is critical; latency should remain low enough that field personnel can make operational decisions on the fly. On the reporting side, every anomaly or threshold breach detected in the incoming data should spawn an incident record instantly, complete with timestamp, location coordinates and a snapshot of the point cloud at the moment of the event. These incident reports have to show up in the Alarm Reports interface the moment th...

    $27 / hr Average bid
    $27 / hr Avg Bid
    141 bids

    I need the Teams Shift app integrated with Outlook to sync schedules, distribute notifications, and request acceptance of schedule. Requirements: - Experience with Microsoft Teams and Outlook integration - Familiarity with the Teams Shift app - Ability to complete the task within a month Please include relevant experience in your application.

    $429 Average bid
    $429 Avg Bid
    111 bids

    I have access to an invite-only TradingView indicator whose Pine Script is hidden. I need the full, readable source so I can study the calculation methods that drive its signals and values; I do not plan to modify or redistribute it. You will need to retrieve the unobfuscated code from the TradingView environment, preserving all comments and structure so the formulas remain clear. Familiarity with Pine Script internals, browser or network debugging, and past experience cracking protected invite-only studies will be crucial. Deliverables • Complete, formatted Pine Script source code • Brief annotation or note highlighting where the key calculations are performed Let me know your method, any access or credentials you require, and an estimated turnaround time so we can move...

    $242 Average bid
    $242 Avg Bid
    25 bids

    I run a growing software-engineering team and need one strong English speaker here in Pakistan to become the voice of our project during client sessions. Your main responsibility is to deliver clear, confident project-update presentations that walk stakeholders through our software development processes, answer their follow-up questions, and capture any feedback for our engineers. Because the updates often dive deep into sprint metrics, pipelines, and architecture trade-offs, I’m looking for someone with advanced technical expertise—ideally a background in software engineering—who can switch effortlessly between layman explanations and low-level detail. This is a steady engagement structured around a monthly retainer of roughly $1,200. I’ll supply release note...

    $981 Average bid
    $981 Avg Bid
    26 bids

    I need an experienced Jira administrator to get one of our software-development projects fully configured and running smoothly. The immediate focus is on two areas: setting up a clean, practical workflow and configuring the overall project settings so the team can start sprinting without friction. For the workflow side, the project follows a standard software-development life-cycle, but the default scheme doesn’t match how we track work. I’d like you to: • Build or adjust a Software Development workflow that maps to our stages (analysis → dev → code review → QA → done). • Customise issue types and their field layouts so each screen shows only the information relevant to that issue type. • Define sensible transition rules and validators ...

    $484 Average bid
    $484 Avg Bid
    96 bids

    Freelancer Enterprise is **Seeking Enterprise Software Owners – Repository Licensing Opportunity** Do you own a **large, proprietary software application** that you've built yourself or with your team? We're looking to connect with software developers, startups, and technology companies interested in licensing their software repositories for technical evaluation and AI research. ### We're looking for repositories that include: * 50,000+ lines of source code * At least 5 meaningful Git commits * At least 5 meaningful Pull Requests (PRs) * Complete, executable application (not just sample code) * Test cases and technical documentation * Enterprise-grade architecture and development history ### Examples of suitable applications: * Enterprise Applications * SaaS Plat...

    $79431 Average bid
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    126 bids

    I’m looking for a compact program that can do two things completely hands-off. First, it must analyse and solve ordinary 2D grid-based mazes on its own, selecting the shortest path with a Breadth-First Search approach. Second, once the maze is finished, the same application should detect any reward ads or pop-up videos that follow, let them run to completion, and then close them automatically so the flow never stalls waiting for a click.(this is for android btw) Speed matters to me; I’d like an initial working build as soon as possible. I’m flexible on the language and platform so long as the final deliverable runs reliably on Windows and can be triggered from the command line (no manual input at any stage). Deliverables • Executable or script with clear run inst...

    $98 Average bid
    $98 Avg Bid
    57 bids
    Build .NET Core E-Commerce
    10 hours left
    Verified

    Project Description Recently we completed an independent penetration test conducted by a professional cybersecurity firm. The assessment identified a number of security vulnerabilities that require remediation to strengthen the security of our applications and ensure compliance with industry best practices. We are looking for an experienced Application Security Consultant / Security Engineer to work closely with our in-house development team at our Mumbai office to address these findings. Our technology stack primarily includes .NET, ASP.NET, and React for the frontend. Scope of Work Review the penetration testing report and prioritise identified vulnerabilities based on risk. Guide and assist our development team in implementing secure coding practices and remediating the i...

    $1137 Average bid
    Local Urgent NDA
    $1137 Avg Bid
    14 bids

    I run a combined warehousing and steel fabrication operation and I need a dedicated desktop application (MS Excel) that lets us schedule production efficiently. The tool must install and run reliably on both macOS and Windows machines and I’m aiming to have a first usable release as soon as possible. At a minimum the scheduler should let us: • input the difference machines and their respective production rates • set up different production methodologies • create and edit production jobs in a calendar or Gantt-style view • forecast delivery and expenses depending on manpower, shift schedules, and workdays • assign work centres, crews, or machines to each job • track inventory or raw-material availability and usage • produce simple status or ...

    $190 Average bid
    $190 Avg Bid
    91 bids

    I’m looking for a recruiter who can quickly identify and attract top-tier Software development talent. The candidates must be senior professionals (5+ years) who work confidently with Python, Java and JavaScript. Your role will cover the whole funnel—writing compelling job posts, actively sourcing on LinkedIn and relevant tech communities, screening résumés, running first-round video interviews, and handing me a curated shortlist. I’d also like brief notes explaining each recommendation and any salary or location considerations you uncover. Deliverables: • 5–10 qualified senior Software development profiles proficient in Python, Java and JavaScript • Interview notes and assessment rubric for each candidate • Summary report outlinin...

    $2034 Average bid
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    124 bids

    A custom Gestion Commerciale Intégrée (integrated business management app) — inspired by Procom 10, built specifically for your hardware/plumbing/electrical supply business. It's a single-page React application that runs entirely in the browser on one Windows computer, with all data saved locally on that machine. How it's built React (single file, ) run through Vite as the dev server lucide-react for icons html2canvas + jsPDF to generate real downloadable PDF files from the on-screen documents localStorage as the database — everything persists between sessions on that one computer, but isn't shared across machines (we discussed a shared-network version early on and deliberately dropped it in favor of single-computer use) Core modules Dashboard &md...

    $157 Average bid
    $157 Avg Bid
    117 bids

    Develop Solar SCADA / IoT Telemetry Data Ingestion Backend Project Description We are developing TwinPro, a digital twin and monitoring platform for solar power plants. We require an IoT/backend developer to create a telemetry ingestion service capable of receiving operational data from solar inverters, weather stations, meters, SCBs, transformers and other plant equipment. Initially, the system will operate using a simulated solar SCADA data generator. It will later be connected to actual solar plants. Typical Data Points Inverters AC power DC power Daily energy Cumulative energy DC voltage AC voltage Current Frequency Efficiency Temperature Operating status Weather Station GHI POA irradiance Ambient temperature Module temperature Wind speed Relative humidity Energy Meter Activ...

    $74 Average bid
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    21 bids

    Programming Foundations Trainer Role purpose Teach every student to write, read, test, and debug real programs. The emphasis is on reasoning about code, working methodically from evidence, and detecting plausible defects in human- or machine-generated work. Topics you will lead 1. Values, types, and expressions 2. Control flow 3. Functions and decomposition 4. Collections and iteration 5. Strings and structured text 6. Errors, exceptions, and failure 7. Files, input, and output 8. Objects and data modelling 9. Testing your own code 10. Debugging methodically 11. Reading and correcting generated code 12. Building a complete program end to end Subject-specific profile - Strong command of at least one beginner-appropriate general-purpose language, preferably Python, and the ability to se...

    $31 / hr Average bid
    $31 / hr Avg Bid
    128 bids

    I’m bringing a few full-stack candidates through the final hiring stage and need a seasoned developer who can step in as an impartial interviewer. Your task is to Interview and also do a coding test that blends practical Java and Spring problems with quick front-end twists (Angular or React) and some database touches in plain SQL. I’m counting on you to: • design or select one cohesive exercise that covers back-end, front-end, and data layers • host a 30-minute live interview, guiding the candidate while observing problem-solving habits • score their solution for correctness, code quality, and architectural thinking, then give concise written feedback within 24 hours I’m looking for someone at a comfortable mid-level of interviewing experience&...

    $3 / hr Average bid
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    26 bids

    Our hiring pipeline is filling up with senior-level mainframe candidates and I need the interviews handled by someone who speaks their language. The sole purpose of these sessions is to validate deep technical skill—no culture chats or HR-style screenings—so each call must drill straight into COBOL programming, JCL mastery and hands-on DB2 management. Here is what I need from you: • Craft a concise yet challenging question set that uncovers real‐world competence in those three areas. • Run remote, one-on-one video interviews (I’ll schedule them) and keep them within a 45-minute window. • Score every candidate against clear criteria and deliver a brief written report summarising strengths, gaps and overall hire/no-hire advice within 24 hours of each c...

    $2 / hr Average bid
    $2 / hr Avg Bid
    2 bids

    I’m adding a “one-click” PDF-to-Excel feature to my website and need an executable that can take any uploaded bank statement in PDF form and return a clean, well-structured XLSX file for the user to download. At this stage I’m not tied to specific bank templates—the tool should handle common layouts gracefully and be easy to extend later if we decide to fine-tune it for particular institutions. Because the service will be open to everyone who lands on the page, stability, speed, and simple error handling are crucial. Visitors will not log in; they will just drop a file, hit convert, and immediately receive the spreadsheet, so there’s no room for lengthy queues or time-outs. Here’s how I picture the workflow: 1. User uploads PDF via the web inte...

    $103 Average bid
    $103 Avg Bid
    40 bids

    I need a lightweight tool that can automatically populate web forms when I browse on my desktop. It must work smoothly on both Google Chrome and Microsoft Edge without forcing users to switch browsers. The ideal outcome is a single installable package—most likely a browser extension—built with standard web-extension APIs (Manifest v3, JavaScript, HTML/CSS). Once installed, it should detect common input fields (name, email, address, etc.) and fill them with data that I can store locally or import via a simple settings panel. No mobile support is required; the focus is strictly desktop environments. Key acceptance criteria • Chrome and Edge compatibility confirmed on current stable releases • One-click fill action that respects the page’s existing validation...

    $19 / hr Average bid
    $19 / hr Avg Bid
    240 bids

    I need a self-contained desktop application that lets our transport office see every vehicle in the fleet at a glance, schedule and log each service, record fines as they occur and plan future availability. A web portal or mobile extension could follow later, yet the first milestone must be a solid Windows desktop build that runs smoothly on ordinary office PCs. Core functionality • Live or near-real-time vehicle tracking tied to each registration number so the map, status panel and reports always agree. • A maintenance calendar that warns us before inspections or services are due and locks vehicles that overrun, with a history tab for parts, labour and cost. • A fines module where staff can enter penalties, attach scans/photos and track payment status, with quick fil...

    $5023 Average bid
    $5023 Avg Bid
    219 bids

    I need a developer who can create a reliable bridge between the Check24 platform and Hostaway. The sole focus is data synchronization—no payment processing or additional booking management logic for now. Scope • Pull new and updated booking data plus related customer records from Check24 and push them to Hostaway, and vice-versa where applicable. • Run the sync every minute with solid queue or webhook logic so neither side is overloaded. • Map all relevant fields (guest details, reservation status, dates, channel references, etc.) and handle edge cases such as cancellations or modified stays. • Build clear error handling, retry logic, and concise logging so I can audit what was sent and when. • Deliver concise setup instructions along with commented ...

    $260 Average bid
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    187 bids

    I am looking to acquire a complete, production-ready HRMS that I can license and resell to corporate clients in Dubai. The solution must already include: • Employee management and payroll processing • Robust attendance and time-tracking • Recruitment and onboarding workflows • Integrated expense tracking I need a single code-base I can brand as my own, with multi-company support and the legal rights to market it locally. A modern web tech stack is preferred so that I can host it on UAE-based cloud servers and offer both SaaS and on-premise packages. If you can demonstrate a stable system, provide deployment documentation, and grant resale rights, let’s discuss a demo and terms.

    $368 Average bid
    $368 Avg Bid
    53 bids

    The Problem — Dispatch Verification & Label Management at Surya Road Lines Surya Road Lines operates as a Carrying & Forwarding (C&F) agent handling goods for multiple companies including Chambal Fertilizers. Every day, goods from multiple principals are received at the godown, stored, and dispatched to dealers and retailers across 13 districts of Madhya Pradesh. The operation involves multiple products, multiple parties, and multiple transporters — all moving simultaneously. The core problem is threefold: 1. Mixed-up goods during dispatch The godown stores dozens of products at any given time. Many of these products — especially crop protection chemicals and specialty nutrients — come in packaging that looks nearly identical. Same size box, same colo...

    $147 Average bid
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    31 bids

    I'm looking for an experienced software engineer to discuss and help validate a business idea focused on helping software engineers improve their careers and connect with better job opportunities. This is not a coding task. I'm looking for someone with real software engineering experience who can provide honest feedback, share industry insights, and potentially collaborate on building the platform if there's a good fit. Requirements: 5+ years of software engineering experience Experience with technical interviews and hiring processes Strong communication skills Open to discussing ideas and providing constructive feedback If you're interested in startups, mentoring, or building products for developers, I'd love to hear from you. Please include a brief summary o...

    $326 Average bid
    $326 Avg Bid
    311 bids

    I’m developing a laboratory‐scale system for scientific research that needs a robust, constant-current pulsed power supply. The unit will take a 380 V, 50 Hz three-phase input and must drive a 2 Ω load with 400 A pulses, translating to about 800 V across the load during each shot. Pulse width has to be fully adjustable from 1 ms to 10 ms, with the operator able to select either a single pulse or a five-pulse burst every minute through software-controlled settings (no manual knobs). The job is split into two clearly defined stages: • Level 1 – Schematic & Magnetics: I need a complete circuit schematic, transformer and inductor calculations, protection strategy, and a verified simulation that proves the design meets current, voltage, and timing targets. Please wo...

    $257 Average bid
    $257 Avg Bid
    11 bids
    Synergy Trello API Sync Audit
    5 days left
    Verified

    I have a custom integration that keeps Total Synergy and Trello in sync through their public REST APIs. Lately, I’ve spotted dates drifting out of alignment, so the immediate objective is to pinpoint where the sync is breaking down – I’m not chasing speed improvements yet, just accuracy. Your task will involve: - Checking that the webhooks are functioning properly based on the required functionality. - Analyzing and ensuring accurate database syncing between Total Synergy and Trello. - Debugging any issues you uncover with explanations provided. This is a one-time fix. However, if your work is excellent and meets expectations, there is an opportunity for another job within the same system involving changes and further debugging. Deliverables: • Ensure all noted di...

    $100 Average bid
    $100 Avg Bid
    156 bids

    I need a clean, reliable way to stop real transaction identifiers from ever reaching the customer side of my checkout flow. The top priority is PayPal: every PayPal Transaction ID must be swapped for an internal token before it appears in a browser response, confirmation email, or third-party script. Because I also process some payments through Stripe, I want the same protection there, but only for transaction details—specifically the Stripe Transaction ID. Merchant and customer data can stay exactly as is. The workflow I picture is straightforward: 1. Payment request is made. 2. Your middleware (language is your choice) intercepts the gateway response. 3. The live Transaction ID is replaced with a hashed or otherwise obfuscated value. 4. The real ID is written to my data...

    $191 Average bid
    $191 Avg Bid
    206 bids

    We are looking for an experienced Business Development Executive (BDE) or Freelancer/Upwork Bidder to help us acquire new software development projects. We specialize in .NET, ASP.NET Core, C#, React, Angular, SQL Server, Azure, Web APIs, and Full Stack Development. Your responsibility will be to identify relevant projects, write compelling proposals, communicate with clients, and help us win projects. Responsibilities * Search for relevant projects on Freelancer.com, Upwork, Guru, and other freelancing platforms. * Analyze project requirements and submit high-quality, personalized proposals. * Communicate professionally with prospective clients. * Follow up with clients and respond to messages promptly. * Negotiate project scope and pricing when required. * Maintain a record of submitte...

    $50 Average bid
    $50 Avg Bid
    16 bids

    I have an internal web-based quotation system and I want the entire “export to PDF and file it” step taken off my hands. Using Playwright, the script must: • Log in to the quotation portal, detect when a new quote calculation is finalised, and trigger the built-in export/print routine. • Save each quote as a PDF (no other formats needed) directly into a designated Google Drive folder via Drive’s API. • Name the PDF exactly as “{Client Name} – {Quote ID}.pdf” so the team can locate files instantly. A clean, headless run is important; the routine should work from a scheduled job on our server and send success/failure logs so I know it ran. Hand over the commented Playwright code (TypeScript or JavaScript is fine), a simple README for e...

    $452 Average bid
    $452 Avg Bid
    207 bids

    I need an existing receipt program updated to be compatible with Windows 11. The source code is available. Requirements: - Modify existing code for Windows 11 compatibility - Test on Windows 11 - Provide documentation for any changes made Ideal Skills: - Proficiency in Windows application development - Experience with legacy code - Familiar with Windows 11 environment

    $467 Average bid
    $467 Avg Bid
    157 bids

    I need a desktop-based tool that can speak the native, proprietary languages of three different DCS families—ABB 800xA, ABB AC450 and Mitsubishi DIASYS Netmation—and then use those links to send remote-control commands. The scope centres on building (or integrating) protocol drivers for each system, proving that they can log on, browse the tag database, write set-points and issue start/stop or mode-change commands exactly as an operator console would. Once the drivers are stable, they have to be wrapped in a single Windows desktop application with a clean UI where I can select the target DCS, pick a tag, send a command and view a confirmation/echo. Acceptance is straightforward: if the test script can alter a value or state on each DCS and the change is visible on the native ...

    $7878 Average bid
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    74 bids

    I have a custom board built around an STM32 MCU and I need production-ready firmware that turns it into a reliable embedded control system. The main focus is the button-based user interface: tactile switches, toggle buttons, encoders, potentiometers feed input to the STM, STM should communicate with a windows form application that communicates between peripheral devices on the board and data available in the application. Scope of work • Bring-up of the MCU with STM32CubeIDE and a clear HAL structure. • Implementation of the button reading, debounce, state machine etc for all input methods mentioned above. • Handling of the LED indicators and any SPI, I²C, or UART devices already routed with STM32. • Graceful error handling and low-power housekeeping so the b...

    $274 Average bid
    $274 Avg Bid
    41 bids

    Project Title Development of a Cloud-Based Retail POS & Management Accounting System (SaaS) Project Overview I am looking for an experienced software development team or full-stack developer to build a modern cloud-based Retail Management System for my company, Sakhile Holdings. The system will be offered as a Software-as-a-Service (SaaS) platform to retailers across Southern Africa, enabling them to manage their daily operations while automatically generating accounting records and management reports. The successful developer will work closely with me to design, develop, test and deploy the system. Project Objectives The system must: Process retail sales efficiently. Manage inventory in real time. Automate accounting entries. Produce management accounts. Operate securely in th...

    $4215 Average bid
    Featured NDA
    $4215 Avg Bid
    168 bids

    I want to build a full-stack desktop application that enables pharmacists in my store to manage daily operations from a single, intuitive interface. The core modules I need are: • Inventory management that keeps real-time stock levels, tracks expiry dates, and provides low-stock alerts. • Prescription handling with quick patient lookup, doctor information capture, and automated interaction checks. • Sales reporting that summarises daily and monthly revenue, highlights best-selling medicines, and exports to CSV or PDF. The entire workflow—from receiving a prescription to final sale—has to feel seamless on a desktop computer, so performance and an offline-friendly architecture are important. A clean UI/UX, role-based access, and straightforward installation o...

    $500 Average bid
    $500 Avg Bid
    164 bids

    I am looking for a programmer to develop a bulk Google index checker tool. The tool should check whether a domain or URL is currently indexed by Google and display a clear result such as: - Indexed - Not Indexed - Unable to Check - CAPTCHA or Rate Limit Detected Main Requirements: 1. The tool must support Indonesian Google search results. 2. The search language must be set to Indonesian. 3. The search location or country must be set to Indonesia. 4. It must be able to check at least 100 domains or URLs in one batch. Support for larger batches would be preferred. 5. Users should be able to paste a domain list or upload a TXT or CSV file. 6. The results should be exportable to CSV or Excel. 7. The tool should handle rate limits properly. 8. If Google displays a CAPTCHA, the tool should p...

    $66 Average bid
    $66 Avg Bid
    107 bids

    I need a hands-on recruiter who can sit in our Dehradun office and own the complete IT hiring cycle for entry-level positions. Your day will start with proactive sourcing on LinkedIn, Naukri, Job Hai and any other portal that helps you uncover fresh engineering talent. From there, you’ll screen every résumé yourself—this is the stage I consider absolutely critical—so I’m counting on your eye for detail and your ability to separate promising juniors from the flood of applicants. The candidate needs to reside in Dehradun since this is an onsite role. Once a profile looks right, you will run the first HR conversation, assess attitude, communication and salary expectations, then coordinate technical rounds with my hiring managers. Clear, timely follow-ups...

    $233 Average bid
    $233 Avg Bid
    15 bids

    Development of an OCR-Based Industrial Vision System using NVIDIA Jetson Orin Nano About Us We are an industrial automation company specializing in robotic palletizers, case packers, end-of-line automation and custom machinery. We are building a reusable machine vision platform, and this OCR project is Phase 1. Project Objective Develop a robust OCR application for NVIDIA Jetson Orin Nano using a camera to read printed alphanumeric characters. The architecture should be modular and reusable for future barcode, QR, AI inspection and robot guidance applications. Hardware Platform  NVIDIA Jetson Orin Nano Developer Kit  Raspberry Pi HQ Camera (Sony IMX477) or equivalent CSI camera  LED illumination  C-Mount Lens  Future migration to Basler industrial camera Scope of Work Camera Integrat...

    $256 Average bid
    $256 Avg Bid
    29 bids

    I need a clean, reliable bridge between the Meta Marketing/Conversions API and my current CRM (it’s a proprietary platform, not Salesforce, HubSpot, or Zoho). The main objective is sharper customer targeting inside Meta Ads by syncing two data sets from the CRM—demographic fields and key behavioural events—into custom audiences. Here is what the work involves: • Map and push demographic and behavioural data from the CRM to Meta via the Marketing or Conversions API, ensuring every user record stays hashed and privacy-compliant. • Configure the flow so updates in the CRM propagate to Meta in near-real-time (webhooks or scheduled jobs are fine as long as latency stays low). • Validate that audiences created with the synced data are recognised by Meta Ads Mana...

    $81 Average bid
    $81 Avg Bid
    51 bids

    I have a series of L2 application-support interviews coming up and I want to walk in sounding like someone who has already spent years on the job. The roles focus on web applications running on a Java stack, so I’m looking for a mentor who can share genuine, real-time experience: how tickets arrive, which logs you pull first, what metrics matter, and where you usually find the root cause. I’d like our sessions to feel like the daily stand-ups and war-rooms that actually happen in production environments. That means screen-sharing while we recreate incidents, stepping through JVM thread dumps, reviewing SQL slow-query logs, debating whether the issue lives in the code, the container, or the underlying infrastructure, and then drafting the kind of crisp RCA report hiring manager...

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

    I need an experienced Java developer familiar with Anylogic to enhance a web application. The tasks will include: Developing new features: - User authentication and authorization - Data visualization and reporting - Integrating with external services Ideal skills and experience: - Strong Java development background - Proficiency in Anylogic - Experience in web application development - Knowledge of security protocols for user authentication - Expertise in data visualization tools and techniques - Familiarity with external service integration Please provide examples of similar work done in the past.

    $50 / hr Average bid
    $50 / hr Avg Bid
    87 bids

    I already have full FedEx API credentials and documentation; what I do not have yet is the polished, user–friendly interface that lets staff pull live rates and print shipping labels in seconds. Here’s the scope: • Build a secure backend service that authenticates with the FedEx REST APIs and exposes two core functions—real-time shipping-cost calculation and printable label generation (PDF/ZPL). • Create intuitive screens that work equally well in a browser and on mobile phones—whether you choose a responsive web app, a PWA, or a single-code-base framework such as Flutter or React Native is up to you, as long as the same URL/install delivers both experiences. • Allow users to enter or import shipment details (weight, dimensions, service leve...

    $81 Average bid
    $81 Avg Bid
    211 bids

    I need a ready-to-deploy POS application for my restaurant that runs natively on Windows laptops and touchscreen terminals. The core job is to deliver a billing system that lets staff enter orders quickly, split or merge checks, apply discounts and taxes, and print receipts without lag. Table control is essential. I want an on-screen floor plan where hosts can see open, occupied, or reserved tables at a glance, create new reservations, and assign them to servers. The interface should switch seamlessly between touch input on a kiosk screen and keyboard/mouse on back-office machines. Speed, stability, and an intuitive layout matter more to me than a long list of peripheral modules. Inventory tracking or employee scheduling can stay out of scope for now; what I really care about is rock-sol...

    $293 Average bid
    $293 Avg Bid
    54 bids

    Project Title 3D Digital Twin Platform for Depot Planning, Logistics & Emergency Response Project Overview I am looking for an experienced development team to build a high-fidelity 3D Digital Twin platform for a large logistics/depot environment. The objective is to create a virtual replica of a depot that enables: Infrastructure visualisation Logistics planning Vehicle movement simulation Emergency response training Firefighting simulations Maintenance planning AI-assisted infrastructure analysis Personnel training in VR/Desktop environments The software should function as a planning and decision-support tool. --- Objectives The system should: Create a realistic 3D representation of an entire depot. Import maps, CAD drawings, or GIS data. Simulate daily operations...

    $531 Average bid
    $531 Avg Bid
    39 bids

    I'm looking for an experienced developer to build an enterprise application using C# and SQL Server, primarily for the operations department of our customers. The app's main purpose is data management, focusing on data entry, editing, and inventory tracking. Key Requirements: - Must live in Alberta, Canada - Robust backend using C# and SQL Server - Experience in enterprise application development is a must Ideal Skills and Experience: - Proficiency in C# and SQL Server - Strong background in data management applications - UI/UX design skills for operational efficiency - Previous work with enterprise-level software solutions Please share your portfolio and relevant experience.

    $26 / hr Average bid
    Local
    $26 / hr Avg Bid
    34 bids

    # Backend Developer / Team Needed – BlessDriving Driving School Management Platform We are looking for an experienced backend developer or development team to build the backend for **BlessDriving**, a driving school management and scheduling platform. This is a new product domain, but it does **not need to be built completely from zero**. We already have a mature backend for another platform, **BlessShipping**, built with FastAPI and related infrastructure. The selected developer may reuse, adapt, or fork appropriate technical components from the existing BlessShipping backend where this reduces development time and cost. BlessDriving should remain a **separate backend and separate business domain**, but we want to reuse as much proven infrastructure as reasonably possible. --- ...

    $815 Average bid
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    387 bids

    I need a self-contained Windows application that can handle end-to-end payouts through Indian banking rails—specifically IMPS and NEFT, nothing else. The tool must run locally on a Windows machine without relying on any existing ERP or web platform; everything from beneficiary management to transaction initiation and status tracking should sit inside this standalone executable. Core flow I have in mind: • Secure login for authorised staff. • Simple screens to add or import beneficiaries, store IFSC and account details, and mark KYC status. • Batch or single-click payout execution over IMPS or NEFT, selecting the rail automatically by cut-off time or allowing a manual toggle. • Real-time or near real-time acknowledgement retrieval and a clear ledger/history pa...

    $305 Average bid
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    46 bids
    Automate SMS Review Requests
    4 days left
    Verified

    I need a small AI-driven workflow that automatically sends a single SMS containing only our review link the moment a job is marked “completed” in our system. The trigger is the service-completion confirmation event—no timers or manual pushes. The scope is straightforward: • Detect the completion confirmation coming from our platform (API or webhook can be exposed). • Generate and dispatch an SMS that includes the review link (no customer name or service details in the text for now). • Log basic send status so I can audit deliveries and retries. • Package everything so I can adjust the review link or plug in additional text fields later if needed. Twilio, AWS SNS, or a similar gateway is fine as long as delivery reporting is reliable; feel free to su...

    $48 Average bid
    $48 Avg Bid
    42 bids

    Looking for a part-time Android developer to help polish and extend an existing production app (Kotlin, Jetpack Compose, Hilt, Room, multi-module Gradle). I handle product direction and design; you handle execution using AI coding tools (Claude Code / Cursor) to move fast, then verify the output yourself before shipping. You should have: 2-3 years Android dev, strong in Kotlin + Jetpack Compose (real production apps, not just courses) Comfortable with Hilt, Coroutines/Flow, Room Active daily user of an AI coding assistant (Claude Code, Cursor, Copilot) — know how to prompt it AND how to catch when it's wrong Can follow a design spec exactly, no improvising on UI Own an Android phone to test on (budget phone like Redmi/Realme is a plus) Work: Bug fixes and feature builds from a...

    $74 Average bid
    $74 Avg Bid
    48 bids

    Limozly is a multi-tenant B2B SaaS platform for limousine and black car operators. It is built, deployed, and substantially complete: seven portals, roughly 650 routes, a working booking and dispatch engine, CRM, pricing, settlements, and a public API. We are looking for one experienced developer to take it from substantially complete to verified and launched. This is a finishing and hardening role, not a rebuild. Someone who enjoys greenfield architecture will be bored. Someone who takes satisfaction in closing the last fifteen percent properly will do well. What you would be working on Stack. 14 (App Router), TypeScript, Tailwind, Prisma, Supabase (Postgres, Auth, Storage), Stripe Connect, SendGrid, Twilio, Google Maps Platform, Vercel. Domain. Each customer is a limousine operator runn...

    $465 Average bid
    NDA
    $465 Avg Bid
    331 bids

    I need a U.S.-based Technical Account Manager who can slot in beside my engineering team and keep our web-development clients fully informed and confident throughout each engagement. You will sit in on occasional Zoom or phone meetings, capture the business requirements in plain language, translate them for the developers, then circle back to the client with clear progress updates and next steps. Most of the work you will shepherd involves web development—specifically e-commerce websites, corporate marketing sites, and more complex web applications—so a working knowledge of modern web stacks, sprint rhythms, and deployment cycles will help you hit the ground running. The engineers handle coding and technical problem-solving; your job is to make sure nothing gets lost betw...

    $2613 Average bid
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    115 bids

    My Node.js-based MLM platform has already gone live, but the July payout module is mis-calculating commissions. The problem sits squarely in the commission calculations: multiple plans feed into fixed-percentage rewards that must respect individual ranks, downlines, legs, and various payout caps. Because one wrong figure ripples through every leg, accuracy is critical. You will receive full access to the existing codebase, database schema, and a sample data dump from July. I need you to: • Trace the current commission logic for all plans and identify where it diverges from the expected fixed-percentage model. • Refactor or rewrite those sections so every user’s rank, leg balance, and cap is honoured. • Add clear unit tests (Jest preferred) that replicate July sce...

    $257 Average bid
    $257 Avg Bid
    65 bids

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