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Work

Projects

Products I've built end to end, most complex first, and the engineering behind each one.

24 projects

  1. Self-hosted deployment platform

    Deploy apps to Linux servers you already own, with automatic HTTPS, health-checked rollouts and one-click databases. Self-hosted for free or as a hosted service.

    Rust · Axum · PostgreSQL · Docker2026
  2. Video platform

    Video transcoding and delivery. Upload once and get an adaptive stream that plays on any phone, on any connection, with signed playback and per-minute billing.

    Go · ffmpeg · PostgreSQL · ClickHouse2026
  3. Content delivery network

    A CDN in front of a website or storage bucket: custom domains with free certificates, cache rules, a firewall and real-time visitor analytics.

    Go · OpenResty · PostgreSQL · ClickHouse2026
  4. Live streaming

    Live streaming on your own channel. Go live from OBS or a browser, reach viewers as adaptive HLS, and find the recording already waiting as a video.

    Go · MediaMTX · ffmpeg · S32026
  5. AI order-confirmation calls

    AI phone calls for online shops in Bangladesh: confirms cash-on-delivery orders and recovers abandoned carts automatically, in Bangla.

    Go · PostgreSQL · Redis · React2026
  6. School and learning management

    Courses, classes, exams, fees and a school website in one self-hosted system for academies, schools, madrasas and coaching centers.

    Go · PostgreSQL · River · SvelteKit2026
  7. Privacy-first web analytics

    Privacy-first web analytics: no cookies, no consent banner, no stored addresses, and every number an exact count rather than a sample.

    Go · PostgreSQL · JavaScript2026
  8. AI customer agents

    AI agents that talk with a business’s customers, starting with order confirmation and cart recovery, and report structured results back.

    Go · PostgreSQL · River · SvelteKit2026
  9. Shared accounts and billing

    One account, one wallet and one bill for a family of products, with tenant isolation enforced by the database and a ledger that cannot drift.

    Go · PostgreSQL · SvelteKit2026
  10. Webinar rooms

    Webinars for large rooms. The audience joins with a short code, no account or download, and can chat, ask, upvote and answer polls in time with the talk.

    Go · WebSockets · PostgreSQL2026
  11. Restaurant ordering and POS

    A restaurant’s website with online ordering, an offline-capable tablet till, a kitchen screen and a customer phone app.

    Go · PostgreSQL · SvelteKit · Expo2026
  12. Cash-on-delivery commerce

    An online shop built around how selling already works in Bangladesh: cash on delivery, courier booking, every district and thana, and a ledger that reconciles.

    Go · PostgreSQL · S32026
  13. Image delivery

    Image delivery. Keep images where they already are and request any size and format from a signed URL, resized and cached on the fly.

    Go · libvips2026
  14. Video key service (DRM)

    Stores the keys that encrypt each video and hands them only to players carrying a short-lived pass signed by the streaming platform.

    Go · PostgreSQL · Caddy2026
  15. Online store builder

    A multi-tenant store platform for small merchants: products, a themed shop on its own address, cash-on-delivery orders and sales tracking.

    Go · PostgreSQL · SvelteKit · S32026
  16. Pharmacy management

    Point of sale and stock control for pharmacy chains: batches and expiry, first-expiry-first-out sales, prescriptions and branch transfers.

    Go · PostgreSQL · Redis · SvelteKit2026
  17. Self-hosted online shop

    A single-merchant shop for Bangladesh, installed per store: catalog, checkout, couriers, local payments and SMS, behind a public API.

    Go · PostgreSQL · River · SvelteKit2026
  18. Image optimization service

    Resizes, converts and compresses images to the smallest file that still looks identical, served from signed, cacheable URLs.

    Go · libvips · SvelteKit · nginx2026
  19. SnapKeep

    A native macOS screenshot and screen-recording tool. Capture, annotate, and keep, fully on-device with no accounts, cloud, or telemetry.

    Swift 6 · SwiftUI · ScreenCaptureKit · Vision2026
  20. Svelte component library

    Accessible Svelte 5 components that developers copy into their projects with a CLI, so they own the code.

    TypeScript · Svelte 5 · SvelteKit · Playwright2026
  21. SEOMaster

    An all-in-one SEO SaaS that guides a zero-visitor site toward ranking on Google, built for non-technical users, teaching as it works.

    SvelteKit · Drizzle · PostgreSQL · TanStack AI2026
  22. Branded link shortener

    Short links on your own domain, with a readable address and a QR code for every link, with click counts that tell you which poster or SMS worked.

    Go · PostgreSQL2026
  23. Travel booking

    One search across buses, trains and flights in Bangladesh, with seat maps and the full fare shown up front.

    TypeScript · SvelteKit · Drizzle · SQLite2026
  24. UtilsLab

    A fast, free, fully static collection of 49 calculators and tools (financial, health, math, everyday, and developer) that all run in the browser.

    SvelteKit · Svelte 5 · Tailwind · TypeScript2026