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$
USD
I will develop java spring boot rest apis, microservices, and backend applications
Muzammil S
5.0
5.0
About this gig
I build secure, scalable Java Spring Boot REST APIs and backend systems for web, mobile, and enterprise apps. I deliver clean, production-ready code that is easy to integrate with any frontend.
What I offer:
- Clean Spring Boot setup (Java 17+, Maven)
- REST API design & full CRUD endpoints
- JWT / Spring Security & role-based access
- MySQL / PostgreSQL (Spring Data JPA / Hibernate)
- Validation, error handling & clean architecture
- Pagination, filtering, sorting & search APIs
- File upload APIs (images/documents)
- Swagger/OpenAPI docs + Postman + README
- Bug fixing & existing Spring Boot support
- Well-structured, production-ready source code
Perfect for:
React/Angular/Flutter apps, e-commerce, school portals, booking systems, job portals, admin dashboards, and secure auth backends.
How I work:
- Understand requirements
- Confirm APIs, database & auth
- Build clean Spring Boot APIs
- Test endpoints & share updates
- Deliver source code + docs + revisions
Why hire me:
Clear communication, on-time delivery, secure, scalable code, easy frontend integration, full source ownership, friendly support
Send your requirements (features, DB, auth, or existing project), and let's get started.
Get to know Muzammil S
Muzammil S
Software Developer
- FromPakistan
- Member sinceMay 2026
- Avg. response time1 hour
- Last delivery1 day
Languages
Urdu, English
I am a Software Developer with experience in Java, Spring Boot, and frontend technologies.
I have worked with multinational companies (MNCs) in Pakistan and abroad, building secure and scalable applications. My experience includes FinTech, digital banking, and major platforms like Qiwa.
I specialize in:
• Java Spring Boot REST APIs
• JWT / Spring Security
• MySQL / PostgreSQL
• React, HTML, CSS, JavaScript
• Clean, production-ready code
Clear communication, on-time delivery, and quality work — every time.
My Portfolio
FAQ
What do I need to provide before you start?
Share your requirements, features list, preferred database (MySQL/PostgreSQL), and any existing frontend or API docs. The clearer the details, the faster delivery.
Do you provide the full source code?
Yes. You get complete, clean, and runnable Spring Boot source code with all packages.
Can you integrate a database?
Yes. Standard and Premium packages include database integration with MySQL or PostgreSQL, including entities, repositories, and CRUD APIs.
Do you add authentication (JWT / Spring Security)?
Yes. Authentication is included in Standard and Premium packages. Basic can also include it as an extra if needed.
Will the API work with my frontend (React, Flutter, etc.)?
Yes. I build standard REST APIs that work with any frontend or mobile app.
How many revisions do I get?
Basic: 1 revision, Standard: 2 revisions, Premium: 3 revisions. Extra revisions can be added if required.
Can you work on an existing Spring Boot project?
Yes. I can fix bugs, add new APIs, improve structure, or extend your current backend. Share the project details first.
Do you provide documentation?
Yes. Premium includes API documentation. For Basic/Standard, I can add docs as an extra.
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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Most relevant
A ashleyriver22
United States
Clear communication, professional, and an experienced developer. We needed Spring Boot, MySQL APIs for tours and bookings, and he just got on with it including seat updates on confirm payment status on each booking, and a Postman collection so our frontend team could connect quickly.
$50
Price
3 days
Duration
Helpful?D david_kimaol
United States
Great work! He developed the Java Spring Boot APIs exactly according to my Inventory Management System requirements. Very responsive, technically strong, and delivered quality work. Highly recommended!
$50
Price
4 days
Duration
M 
Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A ashleyriver22
United States
Clear communication, professional, and an experienced developer. We needed Spring Boot, MySQL APIs for tours and bookings, and he just got on with it including seat updates on confirm payment status on each booking, and a Postman collection so our frontend team could connect quickly.
$50
Price
3 days
Duration
Helpful?D david_kimaol
United States
Great work! He developed the Java Spring Boot APIs exactly according to my Inventory Management System requirements. Very responsive, technically strong, and delivered quality work. Highly recommended!
$50
Price
4 days
Duration
M Seller's Response
Helpful?
