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Top freelance JSON developers available to hire

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Freelance JSON Developer - RajhaRajesuwari S
Freelance JSON Developer5.0 (2442 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 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) 📱 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 JSON Developer - Kishore Muniyandi
Freelance JSON Developer5.0 (9 reviews)
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Hi, I’m Kishore — a Full-Stack Developer & Certified Security Architect with 14+ years of experience building secure, scalable, and user-friendly software solutions. I specialize in: Web & Mobile Development: React, Angular, ASP.NET, C#, Java, Android APIs & Databases: REST APIs, SQL Server, MySQL, MongoDB Cloud & DevOps: Azure, AWS, CI/CD, Docker Security: Applying industry-approved best practices to protect your data I’ve delivered management systems, e-learning platforms, inventory solutions, and mobile games, ensuring smooth functionality and a great user experience. My focus is on clear communication, fast problem-solving, and writing clean, maintainable code. Whether you need bug fixes, performance optimization, code review, or end-to-end development, I can help you get your project back on track and working flawlessly. 📩 Let’s connect and solve your challenges together!

Freelance JSON Developer - Waheed Davies
Freelance JSON Developer - Syed Ikram Shah
Freelance JSON Developer5.0 (204 reviews)

A Software Engineering graduate, working on Software Applications for more than 9 years. Have worked on different platforms, i.e. Windows & Linux. Have worked on realtime applications with extensive amount of data sharing between applications that are geographically separated. Have worked on integrating different hardware with different protocols for data sharing. Have expertise in Web, Mobile & Deskop applications; technologies include C/C++, NodeJS, ActionScript, JavaScript, JQuery, PHP, Python, CodeIgniter, Laravel, Bootstrap, C# WinForms, Roslyn Compiler API, ASP.NET MVC, Bash Scripts, MS Azure & Amazon AWS.

Freelance JSON Developer - Mihir Mehta
Freelance JSON Developer5.0 (42 reviews)

Senior Full‑Stack Developer with over seven years’ experience designing, building and maintaining large‑scale web applications. Track record of delivering end‑to‑end solutions by partnering with stakeholders to translate business and user needs into reliable software. Committed to clean, maintainable code, performance tuning, security best practices, and automated CI/CD pipelines. Nearly two years of hands‑on AI experience, integrating machine learning models and automation to boost product intelligence. I’ve contributed as a developer at global leaders Adobe and Newgen, as well as at high‑growth startups MoveInSync and Zillious Solutions. Skills Advanced: Java, MySQL, PostgreSQL, Spring, Hibernate, Spring Boot, Maven/Gradle, Microservices, Multithreading & Concurrency Control, Web Services (SOAP & REST), RPC, Git, Google Cloud Platform (GCP), Database Modeling & Schema Design, SQL (Stored Procedures/Functions, Triggers), Docker, Kubernetes. Intermediate: TypeScript, Python, Angular, React, API Gateway, Service Discovery, Load Balancer, ELK Stack, Kafka, RabbitMQ, Redis Cache, RAG (Retrieval-Augmented Generation), AI Agents, LangGraph, Vector Databases, AI Workflows, Fine‑Tuning. Core Strengths: Scalable system design, back‑end architecture, data structures & algorithms. How I Can Help You – I’m here to tackle your toughest technical challenges with expertise and dedication. Special Offer – Enjoy your first session free! (Terms & Conditions apply — let’s discuss your needs during our requirement-gathering call.) Satisfaction Guaranteed – Not satisfied? Request an instant refund, no questions asked. For a comprehensive overview of additional technologies and frameworks tailored to your needs, please refer to the Expertise section of my profile.

Freelance JSON Developer - SHAILENDRA SINGH SHEKHAWAT
Freelance JSON Developer5.0 (246 reviews)

I started my career as a web developer 12 years ago. I like challenges where I can use my skills to develop outstanding web applications in look, performance, and efficiency. I am specialized in Front-End and back-end web technologies. For more details about technologies I know, see the expertise section below. I can help you with: • New projects or features • Front-End/Back-End development • Mentoring • UX/UI Design • Bug fixes and issue resolving If I missed something you need help with, please drop me a message and I will look for a solution.

Freelance JSON Developer - Olamiji Kareem
Freelance JSON Developer5.0 (11 reviews)

A full-stack developer with extensive experience developing web applications. I have extensive knowledge in: * Programming languages * Frameworks * Databases * Algorithms * Version Control (Git,etc) * Designs, and best coding practices. If you're looking for an experienced software engineer with a passion for problem-solving and creating quality solutions, please get in touch. Cheers to the bugs solved, and to the ones we're about to solve.

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

I am a highly skilled **Senior Software Engineer** with over **20 years** of experience in designing, developing, and managing small to large-scale applications using **C# and .NET (Standard & Core)** frameworks. I am proficient in both backend and frontend development, and I deliver high-quality solutions following best practices in design patterns, architecture, and testing. **Top focus on providing AI solutions integration to .net applications for multiple clients.** My recent expertise includes Blazor, Radzen, Oqtane, ABP.io, ASP.NET Zero, ASP.NET Boilerplate, and cloud platforms like Azure and AWS, with strong experience in CI/CD pipelines, task management, and Agile/Scrum methodologies. I am experienced in unit and integration testing using xUnit, NUnit, Moq, BUnit, and performance/load testing with BlazeMeter and JMeter. **Key Expertise** - C# / .NET Development (20+ Years): ASP.NET MVC, ASP.NET Core, WebAPI, Standard & Core Frameworks, Design Patterns. - Frontend & UI Technologies: Blazor (Server & WebAssembly), Radzen, Oqtane, Angular, React.js, TypeScript, JavaScript, jQuery, HTML5, CSS3, Bootstrap. - ASP.NET Zero & Boilerplate Solutions (9+ Years): Enterprise-grade SaaS applications, multi-tenant systems, modular architecture. - Database & Data Management (15+ Years): SQL Server, Oracle, MongoDB, SQL Azure, Stored Procedures, T-SQL, MDX, SSRS, Telerik and most of latest toolkits. Vector DBs. - Cloud & DevOps (12+ Years): Azure, AWS, Azure Functions, Azure API, CI/CD pipelines, GitHub, BitBucket, TFS, SVN, Jira, Trello. - Testing & Performance: Unit testing (xUnit, NUnit, Moq, BUnit), Load & performance testing (Blazemeter, JMeter). - Software Design & Architecture: SOLID principles, SOA, TDD, Code First & DB First, scalable and maintainable enterprise solutions. - Agile & Project Management: Scrum, CMMI, Basecamp, Microsoft Teams, Whimsical. **Professional Highlights** Provided complex, enterprise-level solutions for top global companies including: The New York Times, Walmart, Knowledge Shop Pty Ltd, Easton Investments Ltd, Merit Wealth Pty Ltd, Beam, Live Help, Decisions, DigitalRep, Matrix Protection. Extensive experience in full lifecycle development, from requirement analysis and architecture to deployment and maintenance. Strong problem-solving and leadership skills, mentoring teams and ensuring high-quality deliverables. Regards, **Qaiser Mehmood**

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Frequently asked questions

How long do JSON 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 JSON 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 JSON request on Codementor, check out our article.

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

We don’t charge anything when you post a freelance hiring request for JSON 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 JSON developers different?

We do a comprehensive technical and communications screen of all JSON 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 JSON 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 JSON 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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