Adham Salama Mustafa Software Engineer
Work Experience
Bosta
Staff Backend Engineer
Jan 2026 – Present
  • •Driving technical direction for the Growth Tribe across payment, ecosystem, growth, and consumer squads.
  • •Implemented a high-throughput real-time CDC (Change Data Capture) pipeline to stream MongoDB data into ClickHouse using Debezium, Google Pub/​Sub, and Go, processing 4K+ events/​sec, enabling large-scale analytics.
  • •Migrated logging infrastructure from GCP Cloud Logging to Elasticsearch using FluentBit, enhancing observability, reducing logging costs, and improving log search performance.
    • Squad Lead | Senior Backend Engineer
    Nov 2024 – Jan 2026
  • •Leading a team of 3 engineers in the platform squad, focused on improving performance, scalability, and security.
  • •Led identification and remediation of security vulnerabilities.
  • •Built an automated fraud detection system using Stream Processing and Apache Flink.
  • •Implemented backend tracing using OpenTelemetry and Jaeger, improving observability.
  • •Led development of sub-regional (L2) hub assignment, achieving 92% accuracy and 94% coverage by determining the correct zone within multi-zone hubs, improving last-mile precision and operational efficiency.
    • Software Engineer
    Apr 2024 – Nov 2024
  • •Working at the platform squad responsible for performance, optimizations and security.
  • •Improved automated delivery hub assignment to 98.5% accuracy and 99.8% coverage by replacing Google Maps with a custom in-house solution, saving tens of thousands of dollars and boosting operational excellence.
  • •Built Bosta Maps, an internal geolocation service using OpenStreetMap to reduce Google Maps API usage in supporting workflows, cutting external API costs.

    • Jun 2022 – Apr 2024

    Working on the eCommerce builder platform and core services.

  • •Improved the platform's latency by up to 2x.
  • •Implemented a user reward system that increased revenue.
  • •Fixed bugs and vulnerabilities.
  • •Wrote and deployed technical API documentation.
    • Education
    Computer Engineering, Shoubra Faculty of Engineering.
    2017 – 2022

    Overall grade: Very Good with honors.

    Skills
    Languages: TypeScript/JavaScript, Python, Go, Rust, Java.
    Frameworks: Node.js, Express.js, NestJS, Apollo Server, FastAPI.
    Backend Engineering: REST APIs, GraphQL, gRPC, WebSockets, WebRTC, WebAssembly, Microservices, OAuth, Event-Driven Architecture, Stream Processing.
    Databases & Messaging Systems: PostgreSQL, MySQL, MongoDB, Elasticsearch, Clickhouse, Redis, SQLite, Kafka, Google Pub/Sub, Apache Flink.
    DevOps: Git, GitHub, GitLab, Linux, Docker, Kubernetes, CI/CD, AWS, GCP, Microsoft Azure.
    Projects
    Nabatshy⁠, An open source observability platform in a single executable file built with OpenTelemetry, Go and Clickhouse.
    SimpleAPI⁠, A Python web framework written from scratch with no dependencies, inspired by FastAPI.
    Blitzkrieg⁠, An HTTP web server written from scratch in Rust with no dependencies.
    Redis⁠, A multithreaded Redis implementation written from scratch in Rust with no dependencies.
    WebRTC⁠, A peer-to-peer videoconferencing web app featuring video, audio, and text chatting, and screen sharing built with WebRTC and Node.js from scratch with no dependencies.
    SQLWebRTC⁠, Private and secure collaborative database sharing in the browser using SQLite WebAssembly as the database and WebRTC for replication.
    Languages
    Arabic (Native).
    English (Proficient).