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English
$
USD
I will develop and integrate rest soap apis using json and XML
Sanjay K
About this gig
Struggling with API integration, broken APIs, or connecting your website with third-party services? Youre in the right place. Im here to turn your API problems into reliable, working solutions.
I specialize in developing, integrating, and fixing REST APIs, SOAP APIs, JSON, and XML-based integrations for web applications and business systems.
Whether you need a new custom API, REST API integration, SOAP integration, API debugging, JSON/XML data handling, or full-stack website API connectivity, I can help.
What I can do:
- REST & SOAP API development
- API integration & troubleshooting
- JSON & XML data integration
- Custom API development
- Third-party API integration
- API debugging & error fixing
- Backend & database integration
- Full-stack website API connectivity
I use Java and Spring Boot as my primary technology, but my backend expertise allows me to understand and work with different programming environments and existing projects.
My goal is simple: understand your problem, find the right solution, build it correctly, test it, and deliver a reliable result.
Send me your requirements or API issue, and lets get your project working.
Get to know Sanjay K
Sanjay K
Full Stack Developer Generative AI Development Software Development
- FromPakistan
- Member sinceDec 2025
- Avg. response time1 hour
- Last delivery1 month
Languages
English, German
I’m Sanjay, a Java Full Stack Developer & AI Integration Specialist. I build production-ready web applications, Spring Boot REST APIs, microservices, and AI-powered solutions. I specialize in Java, React, Angular, OpenAI/ChatGPT integrations, AI chatbots, and MySQL, PostgreSQL & MongoDB. My focus is clean, scalable code and solutions that solve real business problems. Have an idea or existing project? Let’s build it. 🚀
My Portfolio
FAQ
What technologies do you use?
I use Java Spring Boot for the backend REST API, React.js for the frontend, and MySQL or PostgreSQL for the database. All code is clean and well-documented.
Will I receive the full source code?
Yes. You will receive 100% of the source code, database scripts, and setup instructions so you can run the project yourself.
Do you offer revisions?
Yes. I offer revisions on all packages until you are satisfied with the result. I want you to be happy with the final delivery.
Can you work on an existing project?
Yes. I can add new features, fix bugs, or improve an existing Java or React project. Please message me first with details so I can review the scope.
How do you communicate during the project?
I provide regular updates via Fiverr messages. You will know exactly what stage the project is at every day. I respond within 1 hour during working hours.
