I will build scalable rest apis and backend systems using node js or nestjs


Top Rated
Gig Summary
About this gig
I'm Junaid Full-Stack Developer & Tech Lead with 9+ years delivering production-ready APIs and backend systems for healthcare (EMR, telemedicine), SaaS, Multi-tenant architecture & role-based access control.
What I Deliver:
API Development: REST APIs & GraphQL built with Node.js, Express, or NestJS clean, documented, and production-ready
Authentication & Security: JWT, OAuth, role-based access control, multi-tenant architecture
Database Architecture: MongoDB, MySQL, Firebase properly structured, optimized, and scalable
Third-Party Integrations: Payment gateways, OpenAI/ChatGPT, Google APIs, SMS/Email gateways, Fax APIs, Webhooks, Dropbox
Healthcare & Telemedicine: EMR-connected APIs, telemedicine platforms, compliance-sensitive system design
Advanced Backend Features: WebSockets, cron jobs, schedulers, PDF parsing, scraping, serverless/Lambda
Cloud & Deployment: AWS S3, Firebase Functions, deployment pipelines, cloud storage.
Why Choose Me? 9+ years of real shipped products not tutorials I architect first, then code built to scale Healthcare domain expertise I understand your system Clear communication & on-time delivery, always.
Get to know M. Junaid
Full Stack Developer, 10 Years Experience
Top Rated
- FromPakistan
- Member sinceJan 2017
- Avg. response time1 hour
- Last delivery5 days
Languages
Urdu, English
My Portfolio
Other Software Development Services I Offer
FAQ
Do you only do backend or can you handle the full project?
I handle both. My core expertise is backend/API development but I also deliver complete full-stack solutions using Angular and React.js on the frontend. If you need a complete product, just message me and I'll put together the right package.
I have an existing system - can you add new APIs or integrations to it?
Absolutely. This is something I do regularly. I'll review your existing codebase, understand the architecture, and integrate cleanly without breaking what's already working.
Can you handle healthcare or telemedicine projects?
Yes - this is one of my strongest areas. I have hands-on experience delivering EMR systems and telemedicine platforms. I understand the domain, the data sensitivity, and the integrations these systems require.
What if my project is larger than the listed packages?
No problem. Message me with your requirements and I'll create a custom offer tailored to your exact scope, timeline, and budget.
Do you provide documentation with the API?
Yes. All deliverables include proper API documentation so your frontend team or future developers can work with it without confusion.
How do you handle communication during the project?
I provide regular updates throughout the project. Before starting I confirm full scope, during development I share progress, and I'm always reachable for questions. You'll never be left wondering what's happening with your project.
Do you work on school or college assignments?
No. I exclusively work on real business projects.
11 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
S surftravelins
Repeat Client

Australia
Excellent work on a complex backend development project. Junaid delivered cleanly and on time, with strong attention to technical detail throughout. He communicated clearly at every stage, confirmed requirements before building, and flagged potential issues proactively rather than waiting to be asked....
$800-$1,000
Price
2 weeks
Duration
J 
Seller's Response
Helpful?S surftravelins
Repeat Client

Australia
Working with Junaid has been an excellent experience from start to finish. The project was technically complex with multiple development rounds, detailed testing, and ongoing refinements required throughout. Junaid handled every stage professionally, he was responsive, thorough, patient with feedback...
$2,000-$3,000
Price
9 weeks
Duration
J 
Seller's Response
Helpful?T tresor26
Repeat Client

France
Professional, reliable, and highly skilled developer. Great communication and excellent backend architecture. Highly recommended!
$400-$600
Price
3 weeks
Duration
J 
Seller's Response
Helpful?S 
spontaneousgold
Repeat Client

Chile
It is very productive to work with Junaid, since he is always open to comments and available for changes requested.
$1,000-$1,500
Price
4 months
Duration
J 
Seller's Response
Helpful?U user97948966

Sweden
Amazing communicator and really goes the extra mile to get the job done. Will be working with him again 10/10
$600-$800
Price
4 weeks
Duration
J 
Seller's Response
Helpful?
11 reviews for this Gig
| (11) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
S surftravelins
Repeat Client

Australia
Excellent work on a complex backend development project. Junaid delivered cleanly and on time, with strong attention to technical detail throughout. He communicated clearly at every stage, confirmed requirements before building, and flagged potential issues proactively rather than waiting to be asked....
$800-$1,000
Price
2 weeks
Duration
J 
Seller's Response
Helpful?S surftravelins
Repeat Client

Australia
Working with Junaid has been an excellent experience from start to finish. The project was technically complex with multiple development rounds, detailed testing, and ongoing refinements required throughout. Junaid handled every stage professionally, he was responsive, thorough, patient with feedback...
$2,000-$3,000
Price
9 weeks
Duration
J 
Seller's Response
Helpful?T tresor26
Repeat Client

France
Professional, reliable, and highly skilled developer. Great communication and excellent backend architecture. Highly recommended!
$400-$600
Price
3 weeks
Duration
J 
Seller's Response
Helpful?S 
spontaneousgold
Repeat Client

Chile
It is very productive to work with Junaid, since he is always open to comments and available for changes requested.
$1,000-$1,500
Price
4 months
Duration
J 
Seller's Response
Helpful?U user97948966

Sweden
Amazing communicator and really goes the extra mile to get the job done. Will be working with him again 10/10
$600-$800
Price
4 weeks
Duration
J 
Seller's Response
Helpful?
