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omar sabra

@omarsabra

Backend engineer at blurr.so who customized ticketing for Insomnia gaming festival, serving 3,000+ attendees.

At blurr.so, I customized and deployed the open-source Hi.Events platform as the ticketing system for the Insomnia gaming festival, serving more than 3,000 attendees. I integrated Paymob and Fawry payments, then built queued jobs to generate QR passes and PDF invoices and send transactional emails.

On addNet, my ongoing project, I built a Go gRPC service that publishes events from a PostgreSQL outbox to RabbitMQ, with a TypeScript consumer to process them. I’ve also developed backend APIs and CI/CD workflows for Mostaqem, an open-source Quran audio desktop app.

Experience

Work history, roles, and key accomplishments

Current

Back-End Developer

Current

Mostaqem

Aug 2024 - Present (2 years 2 months)

Engineered REST APIs for streaming audio metadata and synchronized Quran verse text, with PostgreSQL indexes tuned using EXPLAIN. Implemented CI/CD workflows with GitHub Actions and configured Nginx as a reverse proxy with rate limiting.

REST APIs PostgreSQL GitHub Actions Nginx CI CD Rate limiting

Software Developer

Blurr.so

May 2025 - Jan 2026 (8 months)

Customized and deployed the Hi.Events ticketing system for a festival with 3,000+ attendees, integrating Paymob and Fawry payment gateways with idempotent webhooks. Built a ticket dispatch pipeline using Laravel queues and an internal leave management system.

NestJS TypeScript PostgreSQL Prisma Laravel Docker React Paymob Fawry Cloudflare Nginx GitHub Actions

Back-End Developer

Hasif

Feb 2024 - May 2024 (3 months)

Developed an employee and contract lifecycle management platform using NestJS and TypeORM, working fully remote. Built an asynchronous task assignment and progress-tracking engine and integrated third-party SMS and email APIs with retries.

NestJS TypeORM TypeScript PostgreSQL REST APIs Task Management SMS integration Email Integration