Khalid Hussein
Hi, I’m Khalid. I’m a backend & systems engineer and tech lead on the developer relations team for Kreuzberg. I build high-performance distributed systems, optimize database layers, write statically-typed languages, and contribute to open-source software. I’m based in Kisumu, Kenya.
Projects
- Kreuzberg – Optimized Python text extraction library using high-performance Rust extensions.
- RFGrep – High-performance recursive file search utility written in Rust, featuring SimHash optimization.
- apex-sdk – System Chain Standard Library for Polkadot Hub and Revive (Rust‑based blockchain SDK).
- microBioRust – Improved performance and tuned low-level data pipelines for biological sequence analysis.
- stk2eth – GSM-powered blockchain accessibility layer, expanding decentralized connectivity.
Core Competencies
- Languages: Rust, Go, Python, JavaScript, SQL
- Systems & Protocols: API Design, Microservices, IoT integration, MQTT, Blockchain, GSM Protocols
- Cloud & DevOps: Docker, Kubernetes, CI/CD, GitHub Actions, AWS, DigitalOcean
Writing
- SpacetimeDB and Reducers Oct 2025
- Memory-Mapped I/O for Handling Files Larger Than RAM Oct 2025
- How rfgrep Achieves Hardware Acceleration - SIMD-Optimized String Matching Sep 2025
- Mastering Docker Image Management with GitHub Actions and Container Registries Jan 2025
- Building a Programming Language from the Ground Up Dec 2024
Social & Contact
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