Experience — roles and systems I've owned
Where I've shipped
Roles, scope, and the systems I owned. Engineer voice — no marketing copy.
Backend Engineer (Part-Time)
Hexary LLC
- Built a PHP 8.2 / Laravel 12 integration middleware connecting law-firm case systems (Litify/Salesforce, Filevine) with Zendesk for reliable bidirectional medical-record-request sync — delivered with 290+ passing PHPUnit tests, HMAC-signed webhooks, retry/backoff, and a full audit trail.
- Engineered a real-time golf-scoreboard data pipeline (Node.js) syncing live tournament data into Google Sheets and Singular.Live broadcast graphics, polling multiple tournaments in parallel with last-good caching, a heartbeat status feed, and graceful shutdown — deployed on Railway.
Full-Stack Developer (Part-Time)
RSTM Immigration Services
- Building features on a 22-app multi-vertical marketplace monorepo — Next.js 15, React 19, and React Server Components across 27 shared packages
- Shipping across shared infrastructure: a multi-channel notification engine (email, SMS, push, in-app SSE), NextAuth v5 sessions, and Stripe Connect payments
- Working against a typed data layer on Drizzle ORM + Neon PostgreSQL with 8-tier RBAC and pg-boss async jobs
Full-Stack Developer & AI Engineer (Part-Time)
Just Hired AI
- Engineered the Automated Content Engine — a multi-tenant NestJS platform integrating Claude, HeyGen, and n8n for end-to-end script-to-social-media automation
- Built Inroads, a credit-economy LinkedIn introductions marketplace with a double-entry ledger, queue orchestration, and scheduled jobs
- Designed BullMQ + Redis queue infrastructure processing 1,000+ events with retries, dead-letter queues, and circuit breakers
Full-Stack Developer & AI Specialist
Corporate Synergy Solutions
- Architected a multi-tenant SaaS backend handling 1,000+ daily bookings for an auto-detailing chain
- Implemented AI photo analysis for instant job quoting, reducing estimation time by 80%
- Built real-time scheduling with bay availability that eliminated double-bookings, and integrated Stripe subscriptions with secure webhooks
Full-Stack Developer
TSR Ventures & Solutions
- Designed a custom PHP framework that improved team development velocity by 40%
- Built a Digital Asset Management system processing 10,000+ media files with automated metadata extraction
- Reduced codebase redundancy by 30% through reusable module architecture, and built admin dashboards in modern JavaScript
Full-Stack Laravel Developer
Panel Misr
- Developed the company website and admin dashboard from scratch in Laravel
- Built an e-commerce platform with inventory management and order tracking
Results & Impact
Measurable outcomes clients see when working with me.
What clients say
“One of the best backend devs I've worked with. Exceptional developer with clear communication. You'll be fortunate to have him on your team!”
“Great job on my website. He understands what he's doing, delivers clean work, and was always on time. Highly recommend!”
“Clean, well-structured code following SOLID principles. What I appreciated most was his learning mindset. Strong backend developer.”
“Working with Abdelrahman was a great experience from start to finish. He understood the requirements quickly, delivered clean and well-structured code, and communicated clearly throughout the project. The final result was exactly what we needed — on time and without any issues. Highly recommend him for any full-stack development work.”
“One of the best backend devs I've worked with. Exceptional developer with clear communication. You'll be fortunate to have him on your team!”
“Great job on my website. He understands what he's doing, delivers clean work, and was always on time. Highly recommend!”
“Clean, well-structured code following SOLID principles. What I appreciated most was his learning mindset. Strong backend developer.”
“Working with Abdelrahman was a great experience from start to finish. He understood the requirements quickly, delivered clean and well-structured code, and communicated clearly throughout the project. The final result was exactly what we needed — on time and without any issues. Highly recommend him for any full-stack development work.”