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Everything I’ve built

Products, platforms, packages, and tools. Each is labeled with its type and my honest role, sole author, primary author, or contributor on a team.

Showing all 22 projects

case studies
Web app2026

Commerce ERP

Multi-tenant ERP for Bangladeshi online sellers: orders, couriers, stock, purchasing, finance and fraud in one system.

616 API operations behind Postgres row-level security, covered by 3,700+ unit tests and 700+ Playwright tests.

BunHonoDrizzle ORMPostgreSQL 17 (RLS)
Sole authorPrivate repo
Architect and sole engineer, building through a spec-driven, test-first AI agent workflow.
Mobile app2025–2026

Talktivity

Real-time voice-AI English coach: talk to an AI tutor, get a CEFR report, replay every mistake.

Cut a 32% incomplete-score rate on AI reports to near zero.

Next.jsReact NativeExpoNode/Express
Core contributorPrivate repo
Core contributor across web, mobile and backend; built the IELTS track end to end (team of ~6–8).
Web app2026

SeloraX Voice AI

Bangla AI call agent, grown into a multi-tenant platform merchants run themselves.

Gemini LiveLiveKitSIP gatewayCustom Bangla TTS
Primary authorPrivate repo
Primary builder of the voice-AI engine.
Web app2026

XCall AI Assistant

DecisionBuilt the assistant on the app's own services rather than a parallel API, so anything it does is exactly what the page…
CostRouting through the product's real services means the assistant inherits every quirk of those services and has to be…

~30,000 lines of agent code, guarded by 1,300+ tests and a scored evaluation set.

Next.jsTypeScriptLLM tool callingGemini
Primary authorPrivate repo
Primary author of the assistant and its MCP layer: about 30,000 of 38,000 lines, on a team of five.
Web app2025–2026

Smart Sheba

Commerce and rewards platform with a ledger-backed wallet, health cards and a rank and commission engine, built solo.

About 430 API paths, 130+ migrations and 5,800+ backend tests.

Next.jsNode.js / ExpressPostgreSQLPrisma
Sole authorPrivate repo
Sole author across backend, dashboard and storefront.
Website2026

NewTech Engineering

Company website + admin CMS for a manufacturer, staff manage everything, no dev needed.

Next.js 16React 19TypeScriptPrisma / PostgreSQL
Primary authorPrivate repo
Mobile app2025

Danger Alert

DecisionBuilt a Flutter app over a Node/Socket.io realtime backend with PostGIS geo-queries:
CostRequiring community verification adds a short delay before an alert spreads, a deliberate cost, but it’s the only thing…
FlutterNext.js PWACapacitorGitHub Actions CI/CD
Primary authorPrivate repo
Game2025

3D Racing Game

DecisionBuilt it in SvelteKit with a Three.js scene and a WebSocket relay over Firebase rooms, interpolating remote cars between…
CostClient-side interpolation means a remote car is always a few milliseconds behind the truth, a small honesty cost, but…
SvelteKitThree.jsFirebaseWebSocket
Sole authorPrivate repo
Web app2025–2026

SeloraX Platform

DecisionBuilt the Shopify and TikTok integrations end to end across backend, dashboard, and storefront rather than as an…
CostThreading one feature through three repositories means three review cycles and three release surfaces for a change one…
Next.jsNode.jsPostgreSQLPrisma
ContributorPrivate repo
Contributor across backend, dashboard, and storefront: 495 of 7,252 commits, in a team of about ten.
Website2026

SeloraX Main Website

The first SeloraX marketing site, with a blog, pricing, and full SEO metadata.

Next.js 16ReactTypeScriptCSS Modules
Primary authorPrivate repo
Primary author: 38 of 44 commits.
Web app2025

Question Management

Exam and question-bank platform for a coaching centre, built solo.

Next.jsReactCKEditor 5Node.js
Sole authorPrivate repo
Sole author: 180 of 181 commits.
Package2026

SeloraX Automation API

DecisionPut webhook delivery behind a Bull and Redis queue with retry logic rather than firing inline from the request that…
CostA queue adds Redis as a hard dependency and makes delivery asynchronous, so a workflow author cannot read success from…
TypeScriptExpressPostgreSQLKnex
Sole authorPrivate repo
Sole author.
Mobile app2026

Xcall Mobile

DecisionSignalling over JsSIP on a WebSocket with react-native-webrtc for audio, wired into CallKeep so an incoming call raises…
CostCallKeep and the foreground-service library both needed local patches through patch-package.
React Native 0.86TypeScriptJsSIPreact-native-webrtc
Primary authorPrivate repo
69 of 73 commits on the mobile client.
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