
Open to senior & staff roles · Berlin / Remote
Sami Haddad
Senior software engineer building fast, reliable platforms and the developer tools teams use to ship them.
8+
Years shipping software
40+
Services in production
99.98%
Uptime on systems I own
2.1k
GitHub stars
// ACTIVITY
4,812 contributions in the last year
Less ░▒▓█ More
// EXPERIENCE
Where I’ve shipped
2023 — Now
Berlin · Remote
Senior Software Engineer
@
Fluxbase
Lead the realtime sync engine that powers 30k apps. Cut p95 latency from 420ms to 90ms.
Go · TypeScript · Postgres · Kafka
2020 — 2023
Berlin
Software Engineer
@
Shipwise
Built the checkout and rates API handling 2M requests a day with 99.98% uptime.
Node.js · React · Redis · AWS
2018 — 2020
Hamburg
Frontend Engineer
@
Paperfold
Rebuilt the editor in React with offline support and real-time collaboration.
React · TypeScript · WebSockets
2016 — 2018
Hamburg
Junior Developer
@
Studio North
Shipped marketing sites and internal tools for agency clients.
JavaScript · PHP · MySQL
// PROJECTS
Things I’ve built in the open

Tidal
2025
Open-source job queue for Go with retries, cron and a web dashboard.
Go · Postgres
2.1k GitHub stars

Lattice UI
2024
Headless React components with accessible defaults and zero runtime styles.
React · TypeScript
40k weekly downloads

Patchwork
2023
CLI that turns messy Git history into clean, reviewable patch stacks.
Rust · Git
Featured on Hacker News

Beacon
2022
Self-hosted uptime monitoring with status pages and Slack alerts.
Node.js · SQLite
500+ self-hosted installs
// SKILLS
Tools of the trade
Languages
TypeScript
Go
Rust
SQL
Python
Frontend
React
Next.js
Tailwind
Vitest
Playwright
Backend
Node.js
Postgres
Redis
Kafka
gRPC
Infrastructure
AWS
Terraform
Docker
Kubernetes
GitHub Actions
// CONTACT
Let’s build something reliable.
Hiring for a senior or staff role, or need help with a tricky backend problem? My inbox is open.