Backend & API2024Role: Backend Engineer
API PUBLIC
High-Throughput Open REST API Gateway & Developer Testing Sandbox

Key Metrics & Engineering Highlights
Documentation
100% Swagger
Throughput
Low Latency
Persistence
Supabase PG
Problem Statement
Challenge & Context
Frontend and mobile developers frequently need reliable, documented, and CORS-friendly mock endpoints for testing auth, pagination, and file payloads without spinning up complex local backends.
Engineering Solution
Technical Strategy
Engineered a hardened Express.js and Node.js REST API gateway with auto-generated OpenAPI/Swagger documentation, rate limiting, and Supabase PostgreSQL persistence.
System Architecture
Technical Implementation Highlights
API Public provides a robust sandbox environment for developers building modern client applications, featuring complete endpoints for authentication, resource CRUD, file simulation, and paginated datasets.
Express.js backend with Prisma ORM and strict TypeScript domain DTO validation
Comprehensive OpenAPI (Swagger) interactive documentation at /docs
Token bucket rate limiting, CORS configuration, and security headers via Helmet
Supabase PostgreSQL database with automated seed data matrices
Technologies Used
Express.jsNode.jsPrisma ORMPostgreSQLSwagger