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Freelance API Developer - Alok Agarwal
Freelance API Developer5.0 (502 reviews)
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I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.

APIJSON APIHTML/CSSPHPJavaCNode.jsHaskellMongoDBWordPressFlaskDatabaseRQtOpenCVSeleniumJenkinsArduinoSalesforceDartOCamlJMeterRaspberry PiWooCommerceJiraVerilogFirebaseGitLabShopifyServer AdministrationReactGoogle Cloud PlatformMATLABNixKotlinTableauServiceNowOdooSplunkGameMakerBizTalk ServerApache KafkaIoTReact NativeDeep LearningBlockchainQlik SenseMuleSoftPower BIPLCGoogle Data StudioNext.jsSnowflakeAirflowVB.NETRobloxFlutterGoogle Apps ScriptAppSheetGolangPCB DesignGodot EngineLoadRunnerMicrosoft Dynamics CRMDiscordUiPathCypressDatabricksGoogle apisVue.jsFastapiPlaywrightSupabaseMicrosoft Power PlatformUnityFlutterFlowPythonC#C++SQLGitLinuxEclipseExcelVisual StudioGoogle MapsMicrosoft AccessJava EEExcel VBAPowerShellSharePointUbuntuTestingAzureGitHubLuaphpMyAdminResponsive DesignTypeScriptMaven 3YAMLJUnit 4AnsibleUI designWeb DevelopmentDockerApexETLData VisualizationSpring BootFlowJavaScriptResponsive LayoutGame DesignRustApache SparkRStudioKubernetesSwaggerQlikViewAzure SQLPower QueryReduxEmbedded SystemsAWS DynamoDBGDScriptPostmanTerraformTest AutomationTensorFlowKerasAWS Lambda.NET CoreSolidityDAXNixOS.NETKiCadLinux System AdministrationWeb3Data modelingSalesforce Marketing CloudASP.NET CoreASP.NETMobile App DevelopmentPyTorchSalesforce lightningSharepoint 2016Salesforce AdministrationRTOSAzure FunctionsTailwind cssMicrosoft SharePointC# unityDiscord BotAws glueAzure Blob StorageLightning Web ComponentsAzure Data FactoryGitHub ActionsAzure logic appsExcel solver DeFiDataverseSolanaPhp8Apache HTTP ServerAWSLangchainGenerative AILuauPower AppsPower AutomateRust programming +167
Freelance API Developer - Ryan Wong
Freelance API Developer5.0 (1 reviews)

Thanks for stopping by. Are you not sure how to build your website or mobile app to deliver your service to thousands of users? Is your user experience on your site causing people to not use your service? Is it very hard for you to find a high quality and reliable developer who complete your project on time and not create a mess? I am a software entrepreneur and created many web and mobile platforms for multiple internet companies from scratch. I've helped companies in U.K, Canada, U.S.A and Dominican Republic do the same. With over 6 years of experience in the web and mobile industry, I know the correct path to navigate the technology world. What can you expect: - Availability: You will be able to reach me easily. - Challenge: I will provide unique solutions to any business challenges that you throw at me. - Deadline: A fast and professional service so your project is finished before the deadline. - Trust: A long term business relationship - Problem Solving: Have a sharp narrow focus on what make your business cash What I can do for your business: - Build a payment ready website or mobile app that brings in recurring revenue monthly - Create SaaS(Software as a Service) technology - Architect your technology stack to scale with best practices - Integrate you with Third Party Integrations (Stripe, Facebook, Google, etc.) - Help understand your business and process problems and create solutions to cut cost Stacks I can help you with: - PHP - frontend Javascript (Angular, React, Jquery) - backend Javascript (Node) - AWS Configuration - AWS Lambda / AWS APIGateway Serverless Technology - Linux Devops - Python - UI Design - UX Design - Ionic Hybrid Apps - Android & IOS Apps Projects I've worked on: Accedo Studio https://www.accedo.tv/studio/ Built a Code configuration tool that generates a JSON configuration for video apps. Video Apps can be changed in real time by changes in configuration. Deployed multiple microservices to accomplish this. Shiftpost https://play.google.com/store/apps/details?id=com.sixtooth.Rxpost&hl=en Created a pharmacy and pharmacist shift scheduling app. Using a proprietary algorithm, we matched pharmacist to work shifts in pharmacies and handle payment between the two. BitcoinAverage Crypto Ticker App https://play.google.com/store/apps/details?id=com.bitcoinaverage.bitcoinapp&hl=en Created a Crypto Ticker app retrieving current prices for different crypto currencies in real time. Price alerts and real widget was included. Scoolist (Company out of business now) https://twitter.com/scoolist?lang=en Helped them create a web platform where students can retrieve information about all universities across the world on one platform. Telus (Enterprise) http://www.telus.com/my-account/?linktype=nav Worked on Telus Self Serve Billing platform. Developed billing and usage for this platform. FAI App (Medical Encyclopedia) https://itunes.apple.com/ca/app/faiapp/id1091533003?mt=8&_redirected Worked on creating a medical encyclopedia application where doctors can view latest articles, directory of other doctors, chat and discuss, upload their own articles. CubaChat Created Chat application for offline usage in cuba where people don't have consistent data. Used a email based system to supplement offline usage. Yesup http://www.yesuphost.com/ Created workflow engine to automate the delivery of dedicated servers. Every job is past to right person and was customizable at anytime. Ad Engine https://www.myadmarket.com/ Worked on dashboard and configuring platform to launch your ad campaigns If this interest you, send me a message and let's have a call on how I can help you with your business.

Freelance API Developer - RajhaRajesuwari S
Freelance API Developer5.0 (2480 reviews)
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⏱ MY WORK HOURS : 7AM to 11 PM INDIAN STANDARD TIME . 16 HOURS A DAY :) I’m a senior full-stack developer with 19+ years of real-world experience delivering scalable web and mobile solutions across industries. I work end-to-end—from architecture and development to optimization, security, and deployment. 💻 Web Technologies AI, OPEN AI, GIThub Copilot, Claude Code, Loveable PYTHON , CORE JAVA , ASP.NET PHP Ecosystem: WordPress, Magento, Shopify, OpenCart, Joomla, OsCommerce Frameworks: Laravel, CakePHP, CodeIgniter, Yii Frontend: JavaScript, Angular, React Backend: Node.js, Python (Flask, Django) Automations : Zapier 📱 Mobile & Cross-Platform React Native FlutterFlow API-driven mobile app backends 🤖 Advanced Skills AI & third-party API integrations Payment gateway integrations SEO, speed optimization & performance tuning Malware removal & security hardening VB Macros & automation solutions ⚡ Strengths: Fast delivery, clear communication, production-ready solutions 👥 Team Support: Backed by a 10-member team (2 designers + 8 developers) for large-scale and long-term projects I don’t just write code—I solve problems, mentor developers, and deliver results. If you need reliable guidance or hands-on execution across web, mobile, or AI-powered systems, I’m here to help. Faster delivery and 24/7 communication are my greatest plus.

Freelance API Developer - Adam Dougherty
Freelance API Developer5.0 (17 reviews)

Recently back on codementor, now I'm fulltime self-employed so I have time for clients again! Technical Lead, I love to teach and help others and actually this site really suits my spare time. I'll try keep my costs low so you guys can use me as much as you need. I can help with full projects, problem solving and mentoring. I am patient and do not discriminate, if you struggle with English that isn't a problem, I will try my best to help. Any age, gender or background you will be treated like all my other students. Languages: English, French

Freelance API Developer - Dami Ogunmoye
Freelance API Developer5.0 (31 reviews)

I'm Damilola Ogunmoye, a tech enthusiast, passionate result-driven solution provider, and the Co-founder and CTO at a Technology company that focuses on developing products and digital solutions; to empower forward-thinking businesses. I have a Bsc. in Computer Science with Economics and graduated with honors. I have over ten years of experience building digital products in different industries using various tools and technologies. My focus is on leading a team that delivers clean, maintainable, scalable, secured, and robust products with great architecture. I've worked with Javascript frameworks/libraries like React, Vue, ReactNative, Svelte, etc. CSS frameworks and libraries such as TailwindCSS, SASS, LESS, etc., Programming languages such as PHP, Go, Python, Javascript, etc., as well as relational and No SQL databases not limited to MySQL, MSSQL, MongoDB, Redis, PostgresSQL. I've helped build APIs for products and love building out tools for fun. I believe in continuing to innovate. One must always strive to improve by learning every day. I am currently enjoying working with Laravel, Tailwind, VueJS, and InertiaJS at the moment. Diving deep into Coding Smart Contracts in Solidity and Building Machine Learning Algorithms for Fun. Feel free to chat with me about any issues you might encounter in subjects not limited to Product Design and Architecture, Deployment (CI/CD), Detailing Technical Specifications, etc. I'll be more than willing to help.

Freelance API Developer - Derek Stock
Freelance API Developer5.0 (7 reviews)

Hi! Am a 20+ year developer and live in California. I am an expert in iOS, Python and AI development. I have many languages and platforms I have worked in. OpenAI and AI platforms like Firebase are the main request I get and am very experienced with them. I am happy to offer my services and see how I can help you with your projects, as a developer and mentor. Please see my attached resume, I have loads of work experiance. [Click to view my resume!](https://docs.google.com/document/d/1Zb7WLp0nsHRN8XSudXm_4VB4oNi4S6YytsWr32kwYnY/edit?usp=sharing) My links are [derekstock.com](http://derekstock.com/) & [https://www.linkedin.com/in/derekstock/](https://www.linkedin.com/in/derekstock/) < take a look! I have been doing a lot of tutoring on Wyzant, here on Codementor and working contract jobs. I am currently looking for contract remote contract or full time work, I am very flexible. Lets talk! Hopefully we can work together! Derek

Freelance API Developer - Ahmed
Freelance API Developer5.0 (2 reviews)

I help developers and product teams solve difficult .NET backend problems, improve architecture, and turn prototypes into secure, production-ready applications. I have 14+ years of software engineering experience, including technical leadership, ASP.NET Core, C#, EF Core, distributed systems, Clean Architecture, DDD, cloud deployment, and AI/LLM integration. I can help with: • Debugging complex .NET and backend issues • Architecture and code reviews • Refactoring AI-generated or legacy code • ASP.NET Core APIs, authentication, and EF Core • MCP, RAG, LLM APIs, and AI-agent integration • System design and production-readiness reviews • CV, GitHub, interview, and career mentoring for .NET developers My sessions are practical and outcome-focused: we inspect the real problem, identify the root cause, implement or plan the solution, and leave you with clear next steps.

Freelance API Developer - Qaiser Mehmood
Freelance API Developer5.0 (7 reviews)

I'm a Senior .NET & AI Architect with 21+ years of experience helping developers, startups, and engineering teams solve difficult technical problems. Whether you're a beginner using AI to build software ("vibe coding") or an experienced developer building enterprise applications, I can help you move faster using modern AI tools like Claude, Cursor, ChatGPT, GitHub Copilot, and Gemini, Antigravity. I can help with: - Blazor Server & WebAssembly - ASP.NET Core & .NET - ASP.NET ZERO AND ABP Framework - C# debugging and performance optimization - AI Agents & LLM integrations - Claude Code, ChatGPT, GitHub Copilot workflows - Semantic Kernel, LangGraph & Model Context Protocol (MCP) - Entity Framework Core & SQL Server - Architecture reviews - Code reviews and pair programming - Bug fixing and production issues - Azure deployment & CI/CD My mentoring style is practical and hands-on. Whether you're fixing a production bug, building an AI-powered application, or trying to get Claude to generate better code, we'll identify the root cause, solve the problem together, and make sure you understand the solution. Claude Certified Architect If you're stuck, let's get you unstuck.

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Frequently asked questions

How long do API projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance API project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance API request on Codementor, check out our article.

How much does it cost to hire a freelance API developer?

We don’t charge anything when you post a freelance hiring request for API developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor API developers different?

We do a comprehensive technical and communications screen of all API developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing API developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your API project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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