Custom API DevelopmentOluwaloseyi Adeleye
I design and develop secure, scalable backend systems and APIs for web, mobile, and blockchain apps. I deliver high-performance solutions that are reliable, well-documented, and built for growth, helping businesses turn complex ideas into working technology.
What's included
Fully Functional Backend API
RESTful or GraphQL API endpoints, Proper input validation & error handling as required
Database Design & Setup
Optimized schema handling (SQL or NoSQL), Migrations & seed data (if required)
Business Logic Implementation
Core features tailored to project requirements, Custom workflows and automation rules as discussed
Authentication & Authorization
Secure login/registration system, Role-based access control (RBAC) or token-based auth (JWT/OAuth2)
Documentation
API reference (Swagger / Postman Collection)
Setup & deployment guide (README)
Starting at$30 /hr
Tags
ExpressJS
FastAPI
GraphQL
Node.js
TypeScript
Backend Engineer
Fullstack Engineer
Software Engineer
Service provided by
Oluwaloseyi Adeleye Agege, Nigeria
Custom API DevelopmentOluwaloseyi Adeleye
Starting at$30 /hr
Tags
ExpressJS
FastAPI
GraphQL
Node.js
TypeScript
Backend Engineer
Fullstack Engineer
Software Engineer
I design and develop secure, scalable backend systems and APIs for web, mobile, and blockchain apps. I deliver high-performance solutions that are reliable, well-documented, and built for growth, helping businesses turn complex ideas into working technology.
What's included
Fully Functional Backend API
RESTful or GraphQL API endpoints, Proper input validation & error handling as required
Database Design & Setup
Optimized schema handling (SQL or NoSQL), Migrations & seed data (if required)
Business Logic Implementation
Core features tailored to project requirements, Custom workflows and automation rules as discussed
Authentication & Authorization
Secure login/registration system, Role-based access control (RBAC) or token-based auth (JWT/OAuth2)
Documentation
API reference (Swagger / Postman Collection)
Setup & deployment guide (README)
$30 /hr