You will get Backend Developer | Node.js & NestJS | API Integration

Project details
Are you looking for a NestJS developer to develop or customize your RESTful API in a clean and optimized way? Then you are at the right place.
I'm Bona, a Senior Full Stack Engineer with over 4+ years of development experience with in-depth knowledge of implementing and scaling API services as well as designing the overall architecture of the application.
I can help in developing highly scalable, optimized, and well-coded REST API using NestJS along with any other third-party API integrations.
I strictly follow agile development methodology with proper communication and daily reporting. If you have any questions, feel free to message me. I am always here to assist you.
Looking forward to hearing from you soon :)
I'm Bona, a Senior Full Stack Engineer with over 4+ years of development experience with in-depth knowledge of implementing and scaling API services as well as designing the overall architecture of the application.
I can help in developing highly scalable, optimized, and well-coded REST API using NestJS along with any other third-party API integrations.
I strictly follow agile development methodology with proper communication and daily reporting. If you have any questions, feel free to message me. I am always here to assist you.
Looking forward to hearing from you soon :)
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$160
|
Standard
$250
|
Advanced
$500
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 15 days |
Number of Revisions | 1 | 2 | 2 |
Number of Pages | 1 | 5 | 7 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$10 - $30
Additional Revision
+$10
Additional Page
(+ 1 Day)
+$10
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RT
Robel T.
May 25, 2026
Backend Developer for Website
Bona is an absolute powerhouse of a developer. I am genuinely blown away by how quickly and flawlessly he optimized our backend and integrated everything. His expertise in Node.js and NestJS is next-level, and the code quality is immaculate. If you need a premium, reliable backend engineer who delivers elite results, hire him immediately. Highest possible recommendation!
MC
Misgana C.
May 15, 2026
Senior Backend Developer for Scalable Node.js, REST APIs, Authentication & Full-Stack Integration
Bona exceeded my expectations on this project. He was professional, responsive, and easy to work with throughout the entire process. The quality of his work and attention to detail really stood out, and he consistently delivered on time. Overall, it was a great experience working with him, and I highly recommend Bona. I would definitely hire him again in the future.
About Bona
Backend Developer | Node.js | NestJS | REST APIs
100%
Job Success
Addis Ababa, Ethiopia - 11:59 pm local time
I build reliable backend systems and API integrations for startups and small businesses. My focus is writing clean, maintainable, and scalable code that supports long-term growth and performance.
I specialize in backend development using Node.js, Express.js, and NestJS, with experience building REST APIs, authentication systems, database integrations, and full-stack web applications.
What I Can Build For You:
• REST APIs using Node.js, Express.js, and NestJS
• Secure authentication systems (JWT, RBAC)
• Database design and integration with MongoDB, PostgreSQL, MySQL, and Prisma
• Third-party API integrations
• Modern full-stack web applications using React and Tailwind CSS
• Bug fixing, debugging, and backend performance optimization
Core Skills & Technologies:
• Languages: TypeScript, JavaScript, Java
• Backend: Node.js, Express.js, NestJS
• Databases: MongoDB (Mongoose), PostgreSQL, MySQL, Prisma
• API & Architecture: REST APIs, JWT Authentication, RBAC, API Integration, OOP
• Testing: Unit Testing, Integration Testing
• Frontend: React.js, Tailwind CSS
• Tools: Git, GitHub, Docker, Postman
Why Work With Me:
• Clean, readable, and maintainable code
• Clear communication and regular project updates
• Tested and documented backend solutions
• Reliable delivery and attention to detail
Best Fit Projects:
• Startup MVPs
• Backend APIs and integrations
• Admin dashboards and web applications
• Authentication and user management systems
• Small business websites and tools
If you're looking for a dedicated backend developer who can build stable, scalable, and efficient applications, feel free to message me and let's discuss your project
Steps for completing your project
After purchasing the project, send requirements so Bona can start the project.
Delivery time starts when Bona receives requirements from you.
Bona works on your project following the steps below.
Revisions may occur after the delivery date.
step1
requirement Gathering
Step 2
start work