Are you looking for a robust, secure, and scalable back-end API for your web or mobile application?

I am a Full-Stack Engineer specializing in backend architecture, secure authentication, and database design. Whether you need a brand-new RESTful API, authentication endpoints (JWT, OAuth, Firebase, OTP), or server-side integration, I build reliable backends engineered for performance and security.

What I Offer in This Service:
Custom RESTful API Architecture: Scalable endpoints tailored for web and mobile front-ends (Flutter, React Native, React, Vue).

Secure User Authentication & Authorization: Email/password JWT tokens, OAuth, Firebase Auth, and SMS/Email OTP verification.

Database Design & Integration: PostgreSQL, MySQL, MongoDB, and Firebase Firestore optimization.

Security & Data Protection: Input sanitization, CORS configuration, request rate limiting, and password hashing (Bcrypt/Argon2).

Third-Party API Integrations: Payment gateways (Stripe, PayPal, Paystack), SMS gateways, and cloud storage (AWS S3, Cloudinary).


Basic Service Offer (€20):
Setup/configuration or bug fixing for 1 custom API endpoint or authentication flow.

Code documentation + API testing via Postman.

Delivery within 2 days.

Why Work With Me?
Clean, modular, and maintainable code.
Complete Postman API documentation for easy front-end integration.
Strict adherence to industry security standards.

Need a full custom back-end or multi-endpoint system?

Check out the extra options in the next step or contact me for a custom offer!