Work
Systems I have been responsible for
Three case studies from production work — what the problem was, what I decided, and what it cost. The open-source list below is separate; it is side work, not the same claim.
Case studies
Rebuilding the frontend architecture behind Catarse
Architected and led the frontend for one of Brazil’s largest crowdfunding platforms, and cut the cost of shipping a new feature by roughly a third.
- TypeScript
- React
- Next.js
- Express.js
Shipping crypto on-ramp/off-ramp under KYC
Built US payment methods, crypto on-ramp/off-ramp flows and identity verification into a live crowdfunding platform, where a failed payment is somebody’s funded project.
- TypeScript
- Stripe
- Bridge
- Persona
A backend API for 400,000+ users
Led delivery of the backend API serving 400,000+ users and millions of requests, plus the React Native client that talked to it over BLE, NFC and QR.
- Python
- TypeScript
- React Native
- Docker
Open source
Things I maintain in public
- Distributed Systems Field GuideA structured reference on distributed systems fundamentals.
- Next Transition BarRoute transition progress bar for the Next.js App Router. Published on npm.
- ShasthoMCPAn MCP server giving AI assistants a searchable directory of Bangladeshi doctors, hospitals and specialists.
- Next Drag & Drop Form BuilderVisual form builder with a drag-and-drop canvas and generated schema.
- DevConnectorDeveloper social network built on Django REST Framework and React.
- Django BlogBlogging platform with authentication and a comment system.
- Django Poll AppPolling application with vote tracking and results.
- Material UI portfolioPortfolio template built on Material UI.