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Top freelance JSON API developers available to hire
Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
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.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
⏱ 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.
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!
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.
If you're stuck, let's get you unstuck.
I started my career as a web developer 16 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.
Passionate Software Engineer, AI Agent Developer, and Debugging Specialist with over 10 years of experience building, troubleshooting, and optimizing software across a wide range of technologies.
I've mentored 200+ developers on their coding journeys, helping them solve complex bugs, design scalable solutions, and grow their technical skills.
Whether you're stuck with a tricky bug, need guidance on architecture, or want help with AI agents, backend, frontend, or full-stack development, feel free to reach out. I'll do my best to understand your problem and provide a practical, effective solution as quickly as possible.
Full stack lead cum architect software engineer with 18+ years’ experience designing and developing robust products, tools and solutions. Have built several scalable applications, web services, tools and front-ends with modern and highly interactive features. Have excellent knowledge of application development including functional and technical specifications, OOP Patterns and Data Structures & Algorithms that empowers me to lead software design and development and manage multiple priorities in a fast-paced environment. Looking forward to contribute, learn and grow.
Senior Java Developer with over 17 years of experience building scalable enterprise applications, with strong focus on backend systems, REST APIs, and distributed architecture. Hands-on expertise in Java (up to 21), Sprng , Spring Boot, React ,Angular , TypeScript ,Oracle DB,PostgreSQL, and microservices. Proven track record in insurance and finance tech domains. Comfortable working in agile environments, and highly skilled in transforming business requirements into technical solutions.
How to hire a freelance JSON API developer on Codementor
STEP 1
Post a JSON API request
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STEP 2
Review & chat with JSON API freelancers
Use our messaging feature to instantly chat with freelance JSON API developers around the world.
STEP 3
Hire the best JSON API freelancer
Choose the best freelance JSON API developer that meets your needs.
Frequently asked questions
How long do JSON 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 JSON 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 JSON API request on Codementor, check out our article.
How much does it cost to hire a freelance JSON API developer?
We don’t charge anything when you post a freelance hiring request for JSON 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 JSON API developers different?
We do a comprehensive technical and communications screen of all JSON 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 JSON 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 JSON 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.