Chaker Atallah

San Francisco · 09/2025 — present

• Optimized workflow execution 10x by rewriting the service that installs and compiles app integrations
• Built a canary release system that rolls out new versions to a small set of platforms first, catching issues before they reach production customers
• Rewrote the distributed rate limiter into shared concurrency pools backed by Redis Lua scripts, letting enterprise customers pool execution limits across projects
• Improved platform observability with a health dashboard surfacing run success rates, live queue depth and 30-day history, plus per-worker sandbox state/RAM monitoring
• Built performance tracking and hardware checking for self-hosted customers

Algeria · 04/2024 — 10/2025

• Led a 5-person team building a services marketplace that reached 10,000+ users and 10+ daily service posts
• Designed scalable architecture with Django REST + Celery + PostgreSQL on GCP, achieving 0 downtime
• Established staging/production deployment workflows — under 3-minute deploys
• Reviewed 20+ pull requests to maintain code quality and standards

Remote, UAE · 06/2023 — 04/2024

• Built project-management SaaS used by dozens of Saudi government establishments, stable under high load
• Shipped 5+ user-requested features into a large-scale React platform
• Built Google-Drive-grade file management with rich sharing rules (share with users except y, group shares)
• Cut bugs found in QA by 80%+ through consistent review sessions

Remote, Czech Republic · 06/2022 — 05/2023

• Engineered a desktop POS app for drive-thru establishments with Tauri, Rust, React
• Reduced order processing time by 20% while improving customer satisfaction
• Integrated cloud-based and on-premise POS systems with the desktop app
• Implemented CI/CD pipelines, cutting deployment time by 20%