Back end java jobs

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    2,000 back end java jobs found, pricing in USD

    I am actively in need of an experienced developer who specializes in both Java and C#. The Ideal Candidate: -Bachelor's degree in Computer Science, Engineering, or related field. -Proven experience as a Java and C# Developer or similar role. -Strong proficiency in Java and C# programming languages. -Experience with Java frameworks such as Spring, Hibernate, etc. -Familiarity with C# development tools such as Visual Studio, .NET framework, etc. -Knowledge of web technologies including HTML, CSS, JavaScript, and related frameworks. -Excellent problem-solving and communication skills. -Ability to work both independently and collaboratively in a fast-paced environment. If you are a motivated and talented Java and C# Developer looking to join a dynamic...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    84 bids

    I am seeking a versatile programmer who is proficient in Python, Java, and C++. Your focus will be on: - Developing a mining algorithm for the Kaspa cryptocurrency: Your experience in blockchain technology will be central to establishing an efficient mining algorithm that optimizes resource usage. - Creating a user interface: Experience in user interface design is appreciated, as the project aims to create an intuitive and user-friendly interface. You need to deliver a user-friendly interface that is easy to navigate and use. - Implementing data encryption: The role requires significant skills and experience in data encryption systems to protect the sensitive data involved in the crypto mining process. To complete this project, you will deliver: - A fully-functional mining algo...

    $425 (Avg Bid)
    $425 Avg Bid
    125 bids

    I need an EXPERT in photoshop. Must know and be an expert at Generative Fill, and be able to rotate objects in Photoshop. The project involves editing imag...least) to work on the cards. You will be sent a Zoom link so that we can set up the cards together, on Zoom, while your computer is open and running. This will allow you to understand exactly where the images will be placed in a more expedient manner. . 4) Needs to be someone organized, who can follow instructions and won't be using other images than the ones indicated. 5) Each card needs to be sent back in jpg, png, along with entire psd file for that particular card, as soon as the card is completed. 5) Kind and patient personality is a must. NDA and IP agreement will need to be signed, and you will need to turn over p...

    $68 (Avg Bid)
    $68 Avg Bid
    35 bids

    ...of e-commerce, as the app might need to interface with online counterparts • Strong knowledge in user interface and experience, aiming for an intuitive and user-friendly application • The primary development environment will be Android Studio, supplemented by Node.js for backend functionality and HTML/CSS for frontend design. MySQL will be employed for database management. Programming Languages: Java will be the main language for the Android application, with JavaScript for backend scripting and HTML/CSS for web components. Version Control System: Git will be utilized for version control, facilitating effective codebase management. Key Features Implementation: Focus will be placed on developing the app's core functionalities, including a database for recyclable ma...

    $593 (Avg Bid)
    $593 Avg Bid
    171 bids

    I'm having issues with my Windows Live Mail (WLM). It seems to be recycling hundreds of old, deleted emails into my inbox. On top of that, I'm receiving duplicate emails -- about ten copies of each new one. This is making it extremely difficult to handle my email efficiently. Here are the specifics: - Recycling of hundreds of deleted emails back into my inbox - Receipt of about ten additional copies of each new email If you have expertise in troubleshooting Windows Live Mail issues and a solid understanding of mail servers and email clients, please, I need your help. Knowledge of network protocols would also be an asset. I need these issues fixed without risking the loss of existing important emails. Kindly share your proposed solution with your bid.

    $35 / hr (Avg Bid)
    $35 / hr Avg Bid
    8 bids

    I'm seeking a computer science engineer (CSE) with significant experience to assist mtech and phd students with their projects. This unique, challenging role would ideally suit someone who is not only adept in Java, Python, and C++ but also has a proven record in practical implementation. Key Tasks: • Assist students in diverse implementation tasks • Provide guidance on utilising Java, Python, and C++ Skills and Experience: • Proficiency in Java, Python, and C++ • Previous experience in Machine Learning, Data Management, and Software Engineering is essential • Excellent communication and presentation skills • Ability to work under strict timelines and deliver quality results A professional with experience in academic environments w...

    $277 (Avg Bid)
    $277 Avg Bid
    4 bids

    ...with high-end clients in the healthcare sector through engaging content, resources, and interactive elements. - Content Strategy: Implement a dynamic content strategy tailored to the evolving trends in healthcare technology and continuously engage a specialized audience. - Showcasing Innovation: Creating a portfolio that vividly displays my contributions to AI-enhanced solutions and interactive UX/UI designs, particularly emphasizing healthcare applications. Desired Outcomes: - Professional Brand Representation: A content-rich, interactive website that effectively reflects my professional brand and technological expertise, particularly in healthcare. - Increased Online Visibility: Enhanced online visibility within the healthcare industry, fostering engagement with potential high...

    $91 (Avg Bid)
    $91 Avg Bid
    185 bids

    Error Details: The item specific Brand is missing. Add Brand to this listing, enter a valid value, and then try again. End Point -

    $6 / hr (Avg Bid)
    $6 / hr Avg Bid
    6 bids

    More details: What is the name of your boutique? Morris Moon Mercantile LLC What is the main focus or theme of your boutique? Coastal, Luxury, Private Label Items, What colors do you envision for your boutique's logo? Grey - Black I have in my mind, two “M”s enclosed in a circle. I want it very clean and elegant. This logo will also go on stickers or will be printed on boxes. Also, this is part of a branding that later will include a restaurant that has two “M”s in the name. At that later time, I would like to use the same look so that it’s clear they are in the same family.

    $309 (Avg Bid)
    $309 Avg Bid
    143 bids

    ...something that is small code fix.) Will provide SSH access to my instance of Mobilizon to troubleshoot if necessary. Ideal skills for this job: - Proficiency in Elixir - Experience working with open source code - Familiarity with user interface debugging - Background in resolving functionality issues The goal is to not only solve these problems, but also to correctly submit the corrected code back to Mobilizon project. This is a great opportunity for those who enjoy a good code-puzzle challenge....

    $30 - $250
    $30 - $250
    0 bids

    This project is focused on leveraging Tosca for the purpose of automating software testing. Though the specific aspects of testing and the programming languages in the software being tested weren't specified, a general proficiency in software testing principles and methods, as well as familiarity with a range of testing types (functional, performance, security, etc.) and programming languages (Java, Python, C#, etc.) will be highly beneficial for this project. Key Skills and Experience: - Extensive experience with Tosca - Proficiency in software testing - Familiarity with diverse testing types - Experience with multiple programming languages - Ability to handle underspecified tasks and adapt to potentially changing project scope

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    9 bids

    I need a focused developer well-versed in Python, Java, and C++ to build a Coding Problem IDE. The successful candidate will be able to construct a platform that should be able to function on CodeTikki.in. Key features of the IDE should include: - Code highlighting: This feature is necessary to make the code more readable and easily understandable. - Syntax checking: To ensure the code is error-free and runs smoothly. Expertise in IDE development, as well as proficiency in Python, Java, and C++, is essential for this project. Familiarity with and commitment to delivering a user-friendly interface is also important.

    $77 (Avg Bid)
    $77 Avg Bid
    8 bids

    ...ingredient, enter it in to a box and the remaining amount required should auto populate – something like that? Anyway, I hope this makes sense and I hope this helps a bit? If you have any questions please let me know. Ultimately, we just want a user friendly and easy to use system with as much automatics as possible but also records everything we make so we have a legal record and can trace everything back to where we brought the initial ingredients from if we need to,...

    $561 (Avg Bid)
    $561 Avg Bid
    71 bids

    I'm in need of a talented fashion designer who specializes in both high-end fashion and streetwear. The focus of this role is primarily on clothing design. I currently do not have any specific color preferences and am open to your creative input. Key Responsibilities: - Conceptualize and create innovative clothing designs. - Present fresh, fashion-forward, and cutting-edge designs. Ideal Skills and Experience: - Expertise in clothing design specifically in high-end fashion and streetwear. - Outstanding creativity and fashion sense. - Comprehensive knowledge of color theory and its application. - Ability to provide appropriate color suggestions.

    $896 (Avg Bid)
    $896 Avg Bid
    39 bids

    Android APP connected to a Stripe M2 terminal. The app will have 4 buttons (Options) each one with its own price and title, when user selects one option the app will connect to the stripe M2 terminal to collect payment based on the price of the option selected, when payment is done, a confirmation screen will appear and go back to home. Android Studio

    $165 (Avg Bid)
    $165 Avg Bid
    40 bids

    I'm in search of a logo designer experienced in creating modern and minimalist combination logos. The logo is for an ice cream brand, which will require a unique icon that is illustrative of our brand. The project will involve: - Designing an illustrative icon unique to our ice cream brand. - Integrating the ic...that is illustrative of our brand. The project will involve: - Designing an illustrative icon unique to our ice cream brand. - Integrating the icon harmoniously with our brand name in the logo. Strong skills in graphic design and a portfolio showcasing previous logo design projects are preferred. Ideally, prior experience with minimalist designs and food-themed logos would be advantageous. The end product should be clean, modern, innovative and represent our brand...

    $24 (Avg Bid)
    $24 Avg Bid
    57 bids

    I'm looking for an enthusiastic backend developer, proficient in JAVA, PHP, Ajax, and CodeIgniter (CI). I need someone who can handle various tasks, including: - Code development - Issue fixes - Database (DB) management Ideal candidates are self-starters who have a deep understanding of server-side scripting and API integrations. Qualified candidates must also be able to handle any bugs or issues that come up and be proactive in delivering solutions. Must update required documentation. Should support mobile app developers as required. Provide support and proper documentation for moving code to testing environment. Hourly MAX rate is INR 525/. Developer will provide time estimate for each task and milestone for the task will be created. All proposals must be accompanied with...

    $8 / hr (Avg Bid)
    $8 / hr Avg Bid
    38 bids

    I'm looking for an enthusiastic backend developer, proficient in JAVA, PHP, Ajax, and CodeIgniter (CI). I need someone who can handle various tasks, including: - Code development - Issue fixes - Database (DB) management Ideal candidates are self-starters who have a deep understanding of server-side scripting and API integrations. Qualified candidates must also be able to handle any bugs or issues that come up and be proactive in delivering solutions. Must update required documentation. Should support mobile app developers as required. Provide support and proper documentation for moving code to testing environment. Hourly MAX rate is INR 525/. Developer will provide time estimate for each task and milestone for the task will be created. All proposals must be accompanied with...

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    47 bids

    I am in need of a highly skilled individual with expert knowledge in HTML, CSS, SQL, JavaScript, Python, and Java. The main purpose of my project is to establish various connections including Network, Database, and API connections. Key Responsibilities: - Create complex, high performance networks - Establish secure and reliable Database and API connections - Web development using HTML, CSS, JavaScript, Python, and Java. Ideal Skills and Experience: - Proficiency in HTML, CSS, SQL, JavaScript, Python, Java - Experience in network building and maintenance - Database and API connection expertise - Strong problem-solving skills and attention to detail.

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    22 bids

    ...solutions associated with chat functionalities. • Your primary role will be to identify the root cause of this glitch and correct it, ensuring a seamless user experience in our chat feature. • Timely completion and successful rectification of the problem are crucial elements for this job. Your expert skills in iOS development and problem-solving prowess are exactly what we need to get our app back to optimal functioning. Please only bid if you are confident that you can successfully complete this task within the proposed timeframe....

    $34 (Avg Bid)
    $34 Avg Bid
    14 bids

    I am seeking a professional coder skilled in Python, Java, and C++. This project primarily involves creating a website from scratch. You will be responsible for: - Front-end development: Structuring the interface with a keen eye for user experience. - Back-end development: Ensuring our site runs smoothly and effectively. - Database integration: Integrating a functional and secure database for user data management. Ideal candidates must have a compelling portfolio in website development and be proficient in Python, Java, and C++. Solid experience in frontend and backend development coupled with database integration expertise is necessary to accomplish the project's goal. I encourage individuals or teams with proven track records in completing simila...

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    18 bids

    As an entrepreneur looking to expand my digital footprint, I need a team of programming experts proficient in Python, Java, and C++. Your task will be two-fold: 1. Web Application Development: Design and develop a web application from scratch, taking care of the UI/UX design, back-end functionality, and ensuring smooth user navigation on the platform. 2. Mobile App Development: Mirror the web application in the form of a fully functional mobile app, compatible with both Android and iOS. Ideal applicants should have previous experience in web and mobile app development and a solid understanding of the specified programming languages. Collaborative team players and those with a knack for problem-solving will be given priority. We value open communication so be prepar...

    $10 / hr (Avg Bid)
    $10 / hr Avg Bid
    8 bids

    As the client, I'm in need of an expert in Java, familiar with the Open MPI framework to meet my requirements for this project. The aim is to implement distributed computing solutions using Open MPI. Key aspects of the project include, but are not limited to: - Proficient understanding of Java and Open MPI - Implementing distributed computing in the project system - Knowledge of various MPI functions a plus, though not required Utilizing the Open MPI platform, I am looking to enhance the system capabilities and require your expertise in the same. This is a project that requires depth of knowledge in Java and hands-on experience with the Open MPI framework. The successful bidder will be comfortable with distributed computing systems and should have prior experie...

    $110 (Avg Bid)
    $110 Avg Bid
    50 bids

    ...React Table v8. Our project utilizes a single table with one column. Project Access and Scope • The freelancer will receive a of the React project code. • Access to our Laravel backend and a sample database is not provided. Deliverables • The sole deliverable is the upgraded and file, reflecting the migration to TanStack React Table v8. • Freelancer will send us back the corrected and file we will not be able to receive it as GitHub just as a plain JS file Payment Terms • A 50% milestone payment will be released upon receiving and successfully testing the upgraded code on our live environment for 3 business days. • The remaining 50% payment will be released following successful testing. • Freelancer must complete this job in

    $150 (Avg Bid)
    $150 Avg Bid
    92 bids

    I am looking for a designer to create a unique vintage/traditional style logo for my business. Tea Leaves & Tarot with Tracy - Creative Input: I highly appreciate creative input. I welcome your artistic license to select colors that you believe will best fit the vintage brand. I do like the combination of white, black & rose gold but looking forward to see...for my business. Tea Leaves & Tarot with Tracy - Creative Input: I highly appreciate creative input. I welcome your artistic license to select colors that you believe will best fit the vintage brand. I do like the combination of white, black & rose gold but looking forward to seeing your input. The business is offering clients tea leaf & tarot readings, i resonate with traditional times way back wh...

    $12 (Avg Bid)
    Guaranteed
    $12
    79 entries

    As a business looking to create a substantial presence online, I'm looking for a talented web developer to mastermind an e-commerce website from the ground up. Your expertise should include, but not be limited to: * Full stack development of an e-commerce site * Ability to integrate key functionalities such as user registration/login, ...track record of stellar web development projects. I am looking for websites development My project is the Beauty parlour websites,there will be booking system, services like manicure, pedicure, makeup, hair, cut, facial, like,make an appointment, about,contect,home pages like and customer can also buy products from our website small shop 2-4 product you put for frontend html, CSS, javascript and back-end python/reactjs/ and database ba...

    $66 (Avg Bid)
    $66 Avg Bid
    38 bids

    I require a custom, engaging lotus flower animation for a website to aid in breathing techniques. This animation should provide an interactive visual guide, blooming with each inhale and closing with each ex...the need for me to be able to set the seconds myself is crucial. Skills Needed: - Proficiency in Web Animation - Understanding of Interactive User Experiences - Ability to create visually appealing designs in pastel colors - Experience in creating adjustable timers that influence an animation sequence Note: Familiarity with meditation or breathing technique applications would be a plus. The end goal is to create a soothing, user-adjustable animation for a meditative experience. Looking forward to a collaboration with a keen eye for detail and a knack for user-friendly a...

    $24 (Avg Bid)
    $24 Avg Bid
    23 bids

    I am seeking a skilled video editor with advanced editing skills including color grading and audio enhancement. The ideal candidate will have a ...color grading and audio enhancement. The ideal candidate will have a knack for crafting artistic and cinematic videos that captivate our target audience, young professionals. Key Requirements: - Advanced understanding of color grading - Proven ability to elevate audio quality - Experience crafting artistic, cinematic-style content - Understanding of young adult professional market trends The end product of this collaboration should not only amplify the beauty of each frame but also touch the hearts and spark the interest of young adults and professionals. A portfolio of previous work showcasing these skills will greatly enhance your ap...

    $11 (Avg Bid)
    $11 Avg Bid
    18 bids

    ...new SOL tokens -creates buy orders based on certain criteria (fdv, volume etc) and sends to wallet please tell me in general how you would go about this so i know you are suitable for the task? As the client for this project, I'm seeking a proficient coder, experienced with Python and Java, to create a system that integrates with Solscan API to provide real-time updates. The runtime for this operation is vital, with a strict two-week deadline in place. Key Requirements: - Proficiency in Python or Java programming - Prior experience with API integration, notably Solscan - Ability to deliver the project in two weeks The selected freelancer will demonstrate a solid understanding of creating real-time updates using APIs. Knowledge and experience with Solscan API wi...

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    110 bids

    ...need improvement; - You will then make changes focusing on keyword optimization and technical SEO to drive more organic traffic; - As my site is built on the CS-Cart platform, I require someone experienced in working with this specific CMS for a seamless working process; - On top of your SEO duties, you will make recommendations for site improvements and upon approval, implement them; - By the end of the project, I expect to have a more visible, efficient, and user-friendly website. Ideal candidates should have solid experience in SEO (especially keyword optimization and technical SEO), proficiency with CS-Cart, and a knack for website enhancement. Please show previous projects that can demonstrate your skills and effectiveness. Any bid provided for hourly rate will be taken a...

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    170 bids

    I'm in need of a designer with a knack for corporate style, to create a compelling advertising brochure aimed at general consumers. The accomplished freelancer will possess: - Strong experience designing corporate styled brochu...experience designing corporate styled brochures. - An understanding of effective advertising techniques. - An ability to conceptualize and execute designs that appeal to general consumers. Your role will involve transforming my advertising message into a visually persuasive brochure that effectively drives consumer engagement. Show me your best! The total brochure will be 12 pages including front and back cover. We like very minimalistic European-like designs which have clear fonts, muted colours and images that truly add to the text rather than tak...

    $150 - $450
    Sealed
    $150 - $450
    54 bids

    I'm in need of good graphic designer to work with on a regular basis when required. Specifically for company identity/branding design work . My vision is set, and I've got a specific color scheme and style in mind. The specifics will be discussed upon engageme...one/as example – below) 2) Cartons Artwork - Branding Standard brown cartons that vary in sizes I will provide you the dimensions of each carton (however the artwork will be the same for all of them just the spacing may need to be adjusted based on the carton dimensions) 3) Catron Temper Tape (clear or maybe other colours) 4) Hi Vis Vest uniforms Front and back 5) Building Signs with address number Large need to work out the dimensions Small need to...

    $59 (Avg Bid)
    $59 Avg Bid
    86 bids

    Diamond back pattern and stripe pattern

    $160 (Avg Bid)
    $160 Avg Bid
    1 bids

    ...controllers and motor performance optimization. To optimize the efficient speed control of my PMBLDC (Permanent Magnet Brushless DC) motor, the successful freelancer will be implementing a PWM current controller. Mandatory tasks: - Conduct a practical application that reveals different parameter waveforms. - The parameters to be plotted in the waveforms are speed, current, torque, rotor angle, and back emf. - These parameters must be plotted as line graphs. Ideal skills and experience: - Extensive knowledge and experience in PWM current controllers. - Previous experience with motor performance optimization. - Proven competency in plotting parameter waveforms in line graph format is critical. - Familiarity with PMBLDC motors. - Strong attention to detail and accuracy. I'm...

    $17 (Avg Bid)
    $17 Avg Bid
    1 bids

    ...understanding of how to work with sql. Timeline: Start immediately Deliver within the day. Issue: I describe the below issue as one of the issies There is a second issue that has a similar problem but it cannot be explained here due to the cinfidentiality NDA: my code is private and paid for. You sign my NDA which is a standard nda. It can be signed in Adobe reader which is free. Type in, save and send back. Very easy. Freelancer has approved this nda many times since they cannot force anyone to use their nda. This is a legal thing where the country law force them to approve my nda. The country law is always above any company and person. Description: I'm in need of a an stored procedure expert in SQL expert who can dissect and troubleshoot a stored procedure issue wi...

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    74 bids

    I'm looking for a talented graphic designer with a keen sense of vintage and retro design principles. The project involves creating a unique, non-promotional feeling graphic for the back of a hoodie. - Style: The aesthetic should be vintage and retro, encapsulating a bold and colorful palette. Think vibrant, eye-catching reds, yellows, and oranges. - Key Elements: The design must incorporate old-school typography and retro patterns or textures. While it's important to integrate images of a hot water heater, our brand's logo, and the words "shop at the Co-op," these should not dominate or make the design feel like an advert. - Skills and Experience: Ideally, you should have a portfolio that showcases your proficiency in vintage and retro design, as well a...

    $421 (Avg Bid)
    $421
    87 entries

    As the project manager, I'm seeking a proficient software developer to build a web application using Java, Angular, and AWS. This application, at its core, should prioritize top-notch user authentication. Requirements and Features: - Develop a web application using the Java language, Angular framework, and AWS as the cloud platform. - Implement an effective user authentication system. This is critical to ensure secure access control and protect user data. Ideal Skills and Experience: - Extensive experience in Java, Angular, and AWS. - Proven track record in implementing robust user authentication systems. - Knowledge of best practices concerning web application security. - Strong attention to detail and commitment to user privacy and data protecti...

    $1298 (Avg Bid)
    $1298 Avg Bid
    108 bids
    Trophy icon 8.5x11 4 PAGE BOOKLET NEED TODAY 2 days left

    ...Special Remarks- Deacon Sydney Hunter Chairman of 2nd Sweet Home Deacon Board Pastor Devin Smith Romeo United Methodist Church Consecration/Laying of Hands Prayer- Dr. Ricardo Bartlett Greater Saint Paul MBC Presentation of Pastor Cory Stephens- Pastor Joseph Long Final Remarks/Benediction Pastor Cory E. Stephens 2nd Baptist Church 4th PAGE(BACK) (Picture Faded in Background ) Special Thanks: LORD AND SAVIOR JESUS CHRIST The Late Deacon Wallace and Joyce Stephens SECOND BAPTIST CHURCH Pastor J. E. LONG AND THE SECOND SWEET HOME MBC. ALL PASTORS AND PREACHERS OF DETROIT AND VICINITY. THE MUSIC MINISTRY & PRAISE TEAM FAMILY AND CLOSE FRIENDS EVERYONE WHO CAME, CELEBRATED, DONATED, PRAYED, AND SUPPORTED IN ANY WAY...

    $15 (Avg Bid)
    Guaranteed
    $15
    18 entries

    I am in need...street address to other suburbs. I have a list of 686 suburbs including suburb name, postcode, longitude, and latitude data which is detailed in a spreadsheet. To succeed in this project, you would ideally need: - Proficiency in using programming languages that can efficiently work with location data. While I'm open to suggestions, the languages I had in mind included Python, JavaScript and Java. - Ability to deliver a solution which calculates the time and distance for driving from the given address to all listed suburbs. - Knowledge to ensure the output is well-formatted, easy to understand, and implemented into the current spreadsheet structure. If you have equivalent experience and past work indicating your ability to perform a task like this, I encourag...

    $66 (Avg Bid)
    $66 Avg Bid
    62 bids

    I am in need of a talented graphic designer who can bring to life the na...in need of a talented graphic designer who can bring to life the name of our boat, "Redneck Rosy", through a captivating and stylish logo. The design should be well-coordinated with a color scheme of red, white and blue, reflecting the nautical theme. Unleash your creativity with the incorporation of the following elements: - An anchor - A steering wheel - A compass - A hook, specifically at the end of the 'y' in Rosy - A marine rose Whether you veer towards simplicity or want to explore a more intricate design, I am open to all artistic directions. In your bid, please demonstrate a proven ability to create distinctive, highly attractive logos. Experience with nautical-themed designs wou...

    $26 (Avg Bid)
    $26 Avg Bid
    90 bids

    We are currently seeking a talented React Front-end Developer to join our team. As a React Front-end Developer, you will be responsible for creating and implementing user-friendly interfaces and components using React.js. Responsibilities: Develop new user-facing features using React.js Build reusable components and front-end libraries for future use Ensure the technical feasibility of UI/UX designs Optimize applications for maximum speed and scalability Collaborate with other team members and stakeholders Requirements: Proficient in React.js Strong understanding of JavaScript, HTML, and CSS Experience with RESTful APIs and modern web technologies Knowledge of state management libraries such as Redux or MobX Familiarity with version control systems such as Git Pro...

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    230 bids

    Really simple Testing I'm on a lookout for an expert in back-end development and database management who is well-versed in ASP.NET Core. The primary objective for this project: - Building a robust and high-performing web application. Here are the pertinent skills I am seeking: - Proficiency in use of .NET Core for the development of complex back-end services. - Advanced knowledge of MySQL, with the aptitude to structure, implement and manage databases. Your role would be imperative in regards to design, development, and deployment of this web application. All in all, your ability to deliver quality code and work in looking after back-end development needs is key.

    $168 (Avg Bid)
    $168 Avg Bid
    54 bids

    I urgently require an experienced Java Spring Boot developer to assist with upgrading my Spring Boot 2 project to Spring Boot 3. The main objectives for this upgrade are: - Improving system performance. - Ensuring compatibility with newer libraries. Specific time and library compatibility considerations are: - The project completion time is ASAP. - If there are any libraries or frameworks your proposal relies on, please clarify in your bid, as the existing dependencies weren't specified. Ideal skills and expertise: Java, Spring boot - Proven experience in Java Spring Boot development. - Previous experience with upgrading Spring Boot versions. - Excellent problem-solving skills. - Strong communication and timely delivery. Let's speed up the performa...

    $166 (Avg Bid)
    $166 Avg Bid
    44 bids

    ...high-performance financial system. - Though a detailed strategy and broad design will be provide, the candidate is expected to contribute to the final details of the system design. - Implement, test, and maintain various components of the system. - Ensure the system operates in line with high standards of security and performance. **Key Skills:** - Strong programming skills, preferably in Python or Java. - Experience with database and spreadsheet management and data analysis. - Knowledge of API integration. - Excellent problem-solving abilities and attention to detail. - Mathematical and/ or Data Science background. While knowledge of financial trading and exchanges is not required, the successful candidate will need to learn about this subject area as part of the project. A ...

    $189 (Avg Bid)
    $189 Avg Bid
    76 bids

    I'm seeking an experienced toy designer that specializes in plastic materials. Required Experience: - Expertise in plastic toy design - Proficiency in cartoon character interpretation and crafting Job Details: - The project involves...that specializes in plastic materials. Required Experience: - Expertise in plastic toy design - Proficiency in cartoon character interpretation and crafting Job Details: - The project involves shaping a child's toy out of plastic. - The toy should depict cartoon characters of my own creation. - Previous experience with freelancing for toy companies is a bonus, though not required. By the end of this project, I expect to have a functional, appealing, and safe toy for a child to play with. I am excited to see your interpretation of my...

    $66 (Avg Bid)
    $66 Avg Bid
    16 bids

    I'm currently seeking a professional Java expert to maintain and polish an application designed for both taxi and delivery services. This app has dual functionality catering to both businesses and individual consumers. As my app continues to grow, I need a reliable Java developer who can make my app the best it can be. Key Responsibilities: - Bug fixing - Feature enhancements - Code optimization Ideal Candidate Skills and Experience: - Proficient in Java with knowledge of latest versions - Proven experience in maintaining and enhancing mobile app - Understanding of taxi and delivery service industry is a plus - Strong problem-solving abilities - Able to optimally identify and fix bugs - Experience in code optimization - A proven track record in adding innovativ...

    $165 (Avg Bid)
    $165 Avg Bid
    100 bids

    I am in need of a talented designer to give my Canva brochure a professional upgrade. It should stand out as fun, readable, and professional and should appeal to the general public. Its 45 pages long (43 plus the front and back) and is a guide/brochure for buying in a particular area of Spain. Its in English as its for UK and US readers primarily. Right now, I have all the word content in there. However, when trying to improve how it looks, I realise I have zero creativity in that department I'm not looking for anything too spectacular, but must be something that doesnt look like a 10 year old made! Ideal skills and experience: - Proven expertise in professional design and familiarity with Canva - Strong understanding of colors, fonts, and layout design - Proven ability t...

    $118 (Avg Bid)
    $118 Avg Bid
    110 bids

    We're on the lookout for a talented graphic designer to craft a modern style logo for our non-profit organisation called "Help Back Team". Key Requirements: - Incorporate both typography and imagery in the design. - Have experience in creating brand identities for non-profit sectors or similar. - Must be fresh and innovative, bringing a unique perspective to the design. Ideal Skills: - Graphic design - Modern design style expertise We're open to color scheme ideas and look forward to your creative direction. Let's capture the essence and purpose of the "Help Back Team" through an engaging logo.

    $15 (Avg Bid)
    Guaranteed
    $15
    57 entries

    Hello there, We are pleased to inform you that our website is functioning flawlessly and has been generating much business for us. However, we are now looking for someone highly creative and skilled in designing intuitive interfaces, so that they can help us in arranging categories, buttons, and fonts optimally. We would al...designing intuitive interfaces, so that they can help us in arranging categories, buttons, and fonts optimally. We would also like to request that you optimize our website's ranking and speed on Gt Metrix to improve its overall performance. Step 1: Take a website copy and run it on a test server. Step 2: Implement changes as mentioned above and upload back after tests are performed. Thank you for your assistance, and we look forward to hearing b...

    $211 (Avg Bid)
    $211 Avg Bid
    21 bids

    As the driving force behind the development of our new web application, I need a Full Stack Developer proficient in Java, Python and JavaScript. - Skill & Experience Requirements: * Mastery of Java, Python, JavaScript * Proven experience with React and Angular * Experience in web application development is crucial The main objective of our project is to develop a web application, so be prepared to showcase examples of your prior work in this area. My expectations are high but fair, and I'm looking for a developer who can deliver exceptional results and meet project deadlines. Let's make extraordinary things happen together!

    $376 (Avg Bid)
    $376 Avg Bid
    38 bids