Youssef Atef
Cairo, Egypt—Available for Full-time Roles & Contracts

Youssef Atef

Full-Stack Engineer — Backend Focused

Distributed Systems & Real-Time Architectures

Architecting resilient microservices, high-concurrency event-driven platforms, and robust end-to-end client applications.

Download ResumeGitHubLinkedIn
8+Microservices Engineered
ZeroFinancial Double-Spend
< 50msReal-Time Socket Latency
100%Core Web Vitals Score
01 / FEATURED CASE STUDIES3 ARCHITECTURES
01

Rizlax

Founder & Lead Backend Engineer

Distributed Marketplace & Escrow Engine

Freelance marketplace for the MENA region with end-to-end financial workflows and real-time collaboration.

Node.jsNestJSExpress.jsTypeScriptPostgreSQLPrisma ORMRedisBullMQDockerCloudflare R2Daily.co
Architectural Deliverables
  • Architected 8 independent microservices (Auth, Jobs, Contracts, Payments, Chat, Notifications, Moderation, Admin) fully containerized with Docker Compose.
  • Designed idempotent financial escrow workflows with optimistic locking to prevent double-spending across deposit, milestone release, dispute, and refund cycles.
  • Implemented background queues with BullMQ + Redis for webhook reconciliation and mass payouts.
  • Integrated real-time presence, typing indicators, and messaging using WebSockets and Redis Pub/Sub.
https://rizlax.app
Rizlax UI Preview
02

NexusPulse

Full-Stack Architect

Real-Time Social Discovery & Matchmaking Engine

High-concurrency matchmaking platform with resilient real-time state management.

NestJSSocket.IORedisNext.jsTypeScriptTailwind CSS
Architectural Deliverables
  • Built topic-based real-time matchmaking algorithms handling multi-socket user presence and connection state transitions.
  • Implemented resilient session lifecycles with automatic reconnection handling, idempotent message ingestion, and cursor-based pagination.
  • Developed a responsive Next.js client visualizing live socket states and session boundaries.
GitHub CodeLive System
https://nexuspulse-app.vercel.app
NexusPulse UI Preview
03

SAF Engineering

Full-Stack Engineer (Client Project)

Enterprise Client Platform

Corporate web platform delivered for a regional engineering consultancy.

Next.js (App Router)TypeScriptTailwind CSSSSR/SSG
Architectural Deliverables
  • Handled full end-to-end lifecycle from technical requirements discovery to production deployment and SLA maintenance.
  • Optimized Core Web Vitals achieving near-instant load times via Server-Side Rendering (SSR) and dynamic asset optimization.
  • Implemented structured JSON-LD metadata and semantic search engine indexing for localized client discovery.
https://saf-engineering.com
SAF Engineering UI Preview
03 / TECHNICAL CAPABILITIES

Languages & Runtimes

[01]
TypeScriptJavaScriptSQLNode.jsBun

Backend & Frameworks

[02]
NestJSExpress.jsRESTful API Design (Versioning & Validation)WebSockets

Databases & Data Modeling

[03]
PostgreSQLPrisma ORMRedis (Pub/Sub, Caching, Session Management)

System Design & Patterns

[04]
MicroservicesEvent-Driven ArchitectureBullMQIdempotent OperationsOptimistic LockingRBACRefresh Token Rotation

Infrastructure & Cloud

[05]
DockerDocker ComposeCloudflare R2Git / GitHubLinux CI/CD

Frontend Delivery

[06]
Next.jsReactTailwind CSS
03 / CONTACT

Let's build something scalable.

GitHubLinkedInResume (PDF)