I will develop custom node js backend apis for web or mobile apps as developer


Level 1
1 order in queue
About this gig
Looking for a reliable backend developer to build secure, scalable APIs for your web or mobile app? You're in the right place!
Hi, I'm Tanvir, with years of hands-on experience building SaaS and ERP solutions. I specialize in creating high-performance, production-ready backend solutions tailored to your needs.
What I Offer:
- Custom RESTful and GraphQL API design and development
- Secure role-based authentication and authorization
- Database modeling and optimization
- Third-party API and payment gateway integration (Stripe, PayPal)
- Real-time features such as: chat, notifications, etc.
- Optimize performance with caching and error handling
- API documentation (Swagger, Postman)
- Server deployment with CI/CD pipeline
Tech Stack:
- Backend: Node.js, Express.js
- Databases: MongoDB, MySQL, PostgreSQL
- Cloud & DevOps: AWS, DigitalOcean, Docker
- Security: JWT, OAuth
- Others: Socket.io, Firebase, Supabase, Redis
Why Choose Me?
- Real-world experience of building SaaS and ERP solutions.
- Fast delivery
- Clean, scalable, and well-documented code
- Excellent communication and support
Ready to get started? Send me a message and let's talk about your project!
Get to know Tanvir Ahmed
Full Stack Developer, Nodejs Developer, Backend Developer
Level 1
- FromBangladesh
- Member sinceMay 2020
- Avg. response time3 hours
- Last delivery4 days
Languages
Bengali, English, Urdu, Hindi
My Portfolio
FAQ
What do you need from me to get started?
I need clear requirements, access to your existing codebase (if applicable), and API keys for any third-party services.
What kind of applications can you build APIs for?
I can develop APIs for a wide range of applications including eCommerce platforms, SaaS products, CRMs, and much more.
How secure will my API be?
I implement best security practices, including JWT authentication, input validation, and middleware for additional protection.
Can you integrate third-party APIs?
Yes, I can integrate popular third-party services like Stripe, PayPal, social media logins, and more.
What is your approach to API documentation?
I provide clear API documentation with Postman collections for easy testing and integration.
7 reviews for this Gig
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Rating Breakdown
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- Quality of delivery
- Value of delivery
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C cherifamini
Repeat Client

France
⭐⭐⭐⭐⭐ "Excellent work! Tanvir deployed my 4 React applications quickly and professionally. He was patient, responsive and solved all technical issues including CORS and backend configuration. I highly recommend him for React and Node.js deployment projects. Will definitely work with him again!" 😊
Up to $50
Price
4 days
Duration
T 
Seller's Response
Helpful?C cherifamini
Repeat Client

France
top nivaux
Up to $50
Price
7 days
Duration
T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect as usual highly recommended
$50-$100
Price
11 days
Duration

T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect documentation
Up to $50
Price
2 days
Duration
T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect and well documented and clean as needed
$50-$100
Price
3 weeks
Duration

T 
Seller's Response
Helpful?
7 reviews for this Gig
| (7) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
C cherifamini
Repeat Client

France
⭐⭐⭐⭐⭐ "Excellent work! Tanvir deployed my 4 React applications quickly and professionally. He was patient, responsive and solved all technical issues including CORS and backend configuration. I highly recommend him for React and Node.js deployment projects. Will definitely work with him again!" 😊
Up to $50
Price
4 days
Duration
T 
Seller's Response
Helpful?C cherifamini
Repeat Client

France
top nivaux
Up to $50
Price
7 days
Duration
T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect as usual highly recommended
$50-$100
Price
11 days
Duration

T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect documentation
Up to $50
Price
2 days
Duration
T 
Seller's Response
Helpful?I its_hotaz
Repeat Client

Egypt
Perfect and well documented and clean as needed
$50-$100
Price
3 weeks
Duration

T 
Seller's Response
Helpful?

