Adham Salama Mustafa Software Engineer
Work Experience
Bosta
Staff Backend Engineer
Jan 2026 – Present
Squad Lead | Senior Backend Engineer
  • •Leading a team of 3 engineers in the platform squad, focused on improving performance, scalability, and security.
  • •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.
    • Nov 2024 – Jan 2026
  • •Built an automated fraud detection system using Stream Processing and Apache Flink.
  • •Implemented tracing for the backend using OpenTelemetry and Jaeger, improving Observability.
  • •Implemented Change Data Capture (CDC) pipeline to replicate MongoDB collections to PostgreSQL using Debezium and Go, improving analytics performance.
    • Software Engineer
  • •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.
    • Apr 2024 – Nov 2024
  • •Built Bosta Maps, an internal geolocation service using OpenStreetMap to reduce Google Maps API usage in supporting workflows, cutting external API costs.

    • Working on the eCommerce builder platform and core services.

    Jun 2022 – Apr 2024
  • •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.

    Overall grade: Very Good with honors.

    2017 – 2022
    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: PostgreSQL, MySQL, SQLite3, MongoDB, Redis, ElasticSearch, Apache Flink, Kafka, Google PubSub.
    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).