You will get Backend Development & API Integration


Project details
Need a reliable backend developer who can build, integrate, and optimize APIs efficiently? I specialize in backend development, API integrations, and bug fixing using Java, Spring Boot, PHP, Python, and Node.js.
What sets my service apart is a focus on clean architecture, secure development, scalable solutions, and clear communication. Whether you need third-party API integration, payment gateway setup, authentication systems, database connectivity, AI integrations, or backend troubleshooting, I deliver production-ready solutions that are thoroughly tested and built for long-term reliability.
✅ 4+ Years of Development Experience
✅ Java, Spring Boot, PHP, Python & Node.js
✅ REST APIs & Third-Party Integrations
✅ AI & OpenAI Integration Support
✅ Clean, Maintainable Code
✅ Fast Response & On-Time Delivery
✅ Post-Delivery Support
I don't just complete tasks—I help build solutions that support your business growth.
What sets my service apart is a focus on clean architecture, secure development, scalable solutions, and clear communication. Whether you need third-party API integration, payment gateway setup, authentication systems, database connectivity, AI integrations, or backend troubleshooting, I deliver production-ready solutions that are thoroughly tested and built for long-term reliability.
✅ 4+ Years of Development Experience
✅ Java, Spring Boot, PHP, Python & Node.js
✅ REST APIs & Third-Party Integrations
✅ AI & OpenAI Integration Support
✅ Clean, Maintainable Code
✅ Fast Response & On-Time Delivery
✅ Post-Delivery Support
I don't just complete tasks—I help build solutions that support your business growth.
Programming Languages
PHP, Python, JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$50
|
Standard
$150
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 15 days | 25 days | 35 days |
Number of Revisions | 1 | 3 | 5 |
Design Customization | |||
Content Upload | |||
Responsive Design | - | ||
Source Code |
Frequently asked questions
About Nitesh Kumar
softwere enginner
Delhi, India - 5:29 am local time
Experienced with AI tools, automation, chatbot integration, OpenAI APIs, and backend architecture for modern applications. Proficient in MySQL, MongoDB, Git, and cloud-based development workflows. I focus on delivering clean, secure, high-quality, and reliable solutions with strong communication, fast delivery, and long-term client satisfaction.
Steps for completing your project
After purchasing the project, send requirements so Nitesh Kumar can start the project.
Delivery time starts when Nitesh Kumar receives requirements from you.
Nitesh Kumar works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Collection
Client shares project requirements, API documentation, access details, existing codebase, and expected functionality.
Analysis & Architecture Planning
I analyze the requirements, review APIs and systems, and create the best implementation strategy.
