Yousef Alkhrissat

Driving the migration of a microservices e-commerce and loyalty platform; delivered roughly half of a migration planned for six months within the first month.

Owned the architecture of a multi-tenant NestJS platform for 50 client tenants with strict per-tenant data isolation. Cut peak-hour database load by 60% and led a modular redesign that shortened feature delivery from 30 to 14 days.

Reduced API response times by 30% on a high-volume procurement SaaS platform and built GraphQL APIs backed by Elasticsearch and Redis, bringing query times from 2,000 ms to 550 ms. Designed a decoupled RabbitMQ microservices architecture that cut transaction-related downtime by 70%.

Built REST and GraphQL APIs powering the core features of a consumer social app. Improved response times by 25% for 50,000 concurrent users with Redis caching and Elasticsearch tuning.

Designed and shipped a LeetCode-style coding feature used by 100,000+ students. Kept responses under one second at peak hours by moving code evaluation to RabbitMQ worker queues.

Scaled Node.js/NestJS microservices through 35% growth in transaction volume; led code reviews and mentored junior engineers.

Software engineering role at Luminus Education Group.

Founding technical lead; built a NestJS, Express and React platform for 400 concurrent users.

Software engineering role at NCIT Solutions.

Diploma in Computer Technology from Al-Balqa Applied University, completed in 2019.

Completed Anthropic courses including Claude Platform 101, Building with the Claude API, and Model Context Protocol (Intro and Advanced).