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Omar El-Khashab
Backend Engineer
Backend engineer focused on API design, data modelling, and systems that stay correct under failure. Built ingest pipelines, sync layers, and queue-driven services in NestJS and Node.
+20 100 000 0000 · omar@khashab.horusbyte.com · New Cairo, Egypt · https://github.com/ · https://linkedin.com/in/
Experience
Freelance Software Engineer — Self-employed
2022 — Present- Delivered projects across web, mobile, embedded, and automation, owning scope from architecture through deployment.
- Took on unfamiliar domains deliberately, treating system design as the transferable skill rather than any single framework.
Selected projects
IoT Telemetry Platform — Sole engineer
2025End-to-end pipeline carrying sensor readings from ESP32 nodes to a live dashboard.
- Technologies: ESP32, MQTT, NestJS, PostgreSQL, Next.js
Offline-First Mobile App — Mobile and API
2024 — 2025Flutter application that stays usable with no connection and reconciles on reconnect.
- Technologies: Flutter, Dart, SQLite, NestJS
Data Extraction Pipeline — Sole engineer
2024Scraping and normalisation system for sources that actively resist automation.
- Technologies: Python, Playwright, PostgreSQL
Desktop Inventory Tool — Sole engineer
2023Cross-platform desktop client for stock control on machines with no internet access.
- Technologies: Electron, TypeScript, SQLite
Skills
- Languages
- TypeScript · Dart · C/C++ · Python · SQL
- Backend
- NestJS · Node.js · REST · WebSockets · Queues
- Frontend
- Next.js · React · Vue · Tailwind CSS
- Mobile
- Flutter
- Desktop
- Electron
- Embedded
- ESP32 · Arduino · Sensors · Electronics
- Protocols
- MQTT · HTTP · Serial · BLE
- Databases
- PostgreSQL · Redis · SQLite
- Infrastructure
- Docker · CI/CD · Linux
- Tools
- Git · Playwright · Figma
Education
B.Sc. Software Engineering — New Cairo Technological University
Graduated 2025New Cairo, Egypt
Certifications
Google Data Analytics Professional Certificate — Google
Aug 2024Back-End Developer Professional Certificate — Meta
Feb 2024Languages
- Arabic
- Native
- English
- Professional working proficiency
Community
Lead, Google Developer Groups on Campus — New Cairo Technological University
2024 — 2025- Ran the campus chapter: organised technical sessions, coordinated a volunteer team, and grew participation.