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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.
⏱ 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.
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!
**Passionate software developer and a debugger**. Been in this IT industry for a decade now. Have had experience in various tech stacks. Mentored more than **200 + developers** here and the count goes on. Message me with your problem anytime and i try my best to revert with your solution.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
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.
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**
`Typescript (Javascript), Python (Django)`, `PHP (Laravel, Wordpress)`, `Flutter (Dart) and` `3X Certified Salesforce Consultant` `(Dart)` with 5+ years dedicated expertise in end-to-end application development. Proficient in harnessing Python frameworks including Django, Flask, Pandas, Tensorflow, and Microservices. Skilled in AWS, GCP, Heroku Cloud platforms, combined with frontend expertise in NextJs, React.js. Well-versed with databases like MySQL, PostgreSQL, MySQL, and MongoDB. Utilizes robust communication and collaboration capabilities to ensure projects resonate with client goals efficiently and sustainably.
`**Key Strengths & Qualifications:**`
* **Full Stack Expertise:** Proficient in frontend and backend development, with a focus on creating seamless user experience and scalable server-side applications.
* **Backend Mastery:** Extensive experience in Python language programming, enabling the development of efficient and maintainable backend systems, Restful APIs, and microservices using Django, Flask, TensorFlow, LLAMA and Numpy.
* **Frontend Proficiency:** Skilled in modern frontend technologies, including JavaScript ES6, React, Angular and Vue, allowing for the creation of responsive and user-friendly interfaces.
* **Database Management:** Experienced in designing and optimizing databases on PostgreSQL & Oracle, to ensure data integrity and high-performance data retrieval.
* **Cloud Expertise:** Proficient in deploying applications on major cloud platforms such as AWS, Azure, and GCP, with knowledge of containerization (Docker, Kubernetes).
I'm well-versed in a broad range of AWS services, including EC2, S3, Lambda, and VPC. My responsibilities have encompassed designing scalable architectures, implementing security best practices with IAM, and optimizing cost and performance across cloud resources.
I have hands-on experience deploying and managing containerized applications using Docker and Kubernetes. This includes setting up Kubernetes clusters. My work ensures high availability and scalability of microservices architectures.
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.
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STEP 2
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STEP 3
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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.