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SebastienMelki/README.md

Sebastien Melki

VP Engineering @ Sarwa | ex-VP Engineering @ Anghami & OSN+

Building the future of digital wealth management in MENA

LinkedIn Twitter Sarwa


About

Backend engineer and technical leader with a passion for building scalable distributed systems. McGill Computer Engineering graduate (2012-2016) currently leading engineering at Sarwa, MENA's leading digital wealth management platform.

Previously VP Engineering at Anghami & OSN+, where I led the engineering organization across MENA's premier entertainment platform serving 120M+ users. Specializing in high-performance backend systems, distributed infrastructure, and developer tooling.


Featured Open Source

sebuf ⭐ 115

Go Protobuf Toolkit for Type-Safe HTTP APIs

  • Automatic validation
  • Low dependency footprint
  • Mock server generation
  • OpenAPI v3.1 documentation

Go Protobuf

worldmonitor ⭐ 45.1k

Real-Time Global Intelligence Dashboard

  • AI-powered news aggregation
  • Geopolitical monitoring
  • Infrastructure tracking
  • Unified situational awareness

TypeScript Contributor

alpaca-go ⭐ 5

Go SDK for Alpaca Trading API

  • Built with sebuf
  • sebuf-generated HTTP handlers
  • Trading & Market Data APIs
  • Broker & Auth coverage

Go Protobuf

Cross-Platform Behavioral Analysis SDK

  • iOS, Android, Web support
  • gomobile/WASM powered
  • Real-time anomaly detection
  • Event tracking via protobufs

Go WASM

Digital Library Platform

  • Self-hosted media server
  • Music, movies, audiobooks
  • Built with Go and sebuf
  • Modern Alexandria-inspired

Go Docker


Technical Stack

Languages & Core

Go AWS Kubernetes Docker Helm

Data & Messaging

Kafka NATS Redis PostgreSQL MySQL

Infrastructure & Monitoring

Fastly CloudFlare Prometheus Grafana DataDog SigNoz


Impact & Achievements

120M+ Active Users

4 Months OSN+ Platform Rebuild

41% Growth Video Subscribers

50 Engineers Team Leadership

Career Timeline

  • 2026 - Joined Sarwa as VP, leading engineering for MENA's digital wealth management platform
  • 2025 - Published Rebuilding OSN+: A Technical Post-Mortem detailing the platform rebuild
  • 2024 - Led OSN+ platform complete rebuild in record time following Anghami-OSN merger
  • 2023 - Promoted to VP Engineering at Anghami
  • 2021 - Key figure in Anghami's IPO - first MENA tech company on NASDAQ
  • 2020 - Launched Anghami Live Radios for real-time social music streaming
  • 2019 - Architected Anghami Chats with WebSocket infrastructure; Promoted to Engineering Lead
  • 2017 - Joined Anghami as Backend Engineer
  • 2016 - Graduated from McGill University
  • 2015 - Accepted offers from Amazon, Meta, and Google - chose Amazon
  • 2014 - Software Engineering Intern at Ericsson
  • 2012 - Started Computer Engineering at McGill University

Technical Writing

📖 Rebuilding OSN+: A Technical Post-Mortem How we rebuilt OSN+ from scratch in 4 months — modular monolith architecture, protobuf contracts, and the birth of sebuf

📖 Deploying Ideas to Production Deep dive into building and deploying production-ready features at scale

📻 Anghami Live Radios Architecture of real-time social music streaming


Current Focus

  • Fintech Infrastructure: Engineering scalable systems for digital wealth management at Sarwa
  • Open Source Tooling: Evolving sebuf as a comprehensive Go protobuf toolkit
  • Global Intelligence: Contributing to worldmonitor for real-time situational awareness
  • Platform Engineering: Building reliable, high-throughput financial services infrastructure

GitHub Analytics


Let's Connect

Open to collaborating on high-impact projects in fintech, distributed systems, and developer tools

LinkedIn

Pinned Loading

  1. sebuf sebuf Public

    Comprehensive Go protobuf toolkit for building type-safe HTTP APIs with automatic validation, OpenAPI docs, and low number of dependencies

    Go 115 6

  2. iskandaria iskandaria Public

    A modern digital library inspired by Alexandria. Unified media repository for music, movies, series, audiobooks & podcasts. Self-hosted streaming platform with seamless playback, organization & dis…

    Shell 3

  3. causality causality Public

    Multi-platform SDK (Go + gomobile/WASM) that captures custom events via protocol buffers, sends them to a TCP server, and analyzes behavioral patterns to detect app modifications by identifying dev…

    Go 4