Résumé

Switzerland · Remote

• Product and engineering lead for cowtic, a leading Swiss event-ticketing platform: built it from the first commit.
• Shipped cowtic’s REST API and TypeScript SDK, Apple and Google Wallet passes, offline-capable check-in, and event cancellation with automated refunds.
• Led security and reliability work across the platform; merged 74+ pull requests.

San Francisco, CA · Remote

• Joined Polar, the open-source billing platform for developers; worked across developer support and internal tooling.
• Built back-office tools that let Polar’s team manage organizations and streamline account operations (merged into polarsource/polar).
• Supported developers integrating Polar’s checkout, subscriptions and payments, and shipped fixes across the product.

London, UK · Remote

• Developed interactive crypto games and mining platforms with NFT integration and wallet transactions.
• Built real-time analytics dashboards for applications processing around 100,000 user events per minute.
• Optimized rendering performance to keep live event streams smooth and responsive in the browser.

Kigali, Rwanda · On-site

• Built reusable components and improved page load times across client web apps.
• Fixed issues in the Express, Sequelize and PostgreSQL API.

Remote

• Delivered full-stack web applications for independent clients, from scoping to deployment.

Founder & engineer · Go, Docker Swarm, Caddy, Next.js, tRPC, PostgreSQL, BullMQ

• Prepaid cloud hosting for African developers: connect a GitHub repo for zero-config builds and deploys, managed databases and custom domains with automatic HTTPS, billed in local currency.

Creator · Go, WebSockets, Protobuf, PostgreSQL, TypeScript, TanStack Start, Docker

• Persistent public URLs for localhost: a single-binary Go CLI, protobuf frames over authenticated WebSockets, and request capture with one-click replay.

Founder & engineer · Next.js, Python, LLMs, PostgreSQL

• Multi-tenant AI sales and support assistant: businesses load their catalog, hours and policies, and an agent answers customers in a web widget and on WhatsApp.

Kigali, Rwanda

Rwanda