SebastienMelki - Overview

Sebastien Melki

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

Building the future of digital wealth management in MENA

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

worldmonitor ⭐ 45.1k

Real-Time Global Intelligence Dashboard

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

alpaca-go ⭐ 5

Go SDK for Alpaca Trading API

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

causality

Cross-Platform Behavioral Analysis SDK

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

iskandaria

Digital Library Platform

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

Technical Stack

Languages & Core

Data & Messaging

Infrastructure & Monitoring

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