Projects

Production platform services, full-stack products, and client work.

Featured Work

PH Mailer

Production

Production email platform: forked Plunk, custom BullMQ worker + Redis queue, delivery via AWS SES

197K+ emails sent (7-day window)5 internal product teams~50–60% lower send cost vs Mailgun

Node.jsTypeScriptPlunkBullMQRedisAWS SESDocker

Proprietary (Programming Hero)

PH Bootcamp Platform

Production

Full-stack LMS with DRM video, bKash payments, QR attendance, and WhatsApp group management

13,820+ total leads898+ active users85 automated tests

TypeScriptNode.jsExpressMongoDBRedisbKashDockerVitest

Live Demo Case Study →

SpeakSail / Enlightall

Freelance Client | Aug 2022 – Aug 2024

Language-learning marketplace with live video tutoring, real-time messaging, and multi-gateway payments

27 database models90+ API routes7 user roles, 2 languages

Next.js 14TypeScriptMongoDBFirebaseSocket.IOStripeLaravel 11TanStack Start

Live Demo Case Study →

Skill Mapper

Production

Technical assessment platform with state machine and leaderboards

5,000+ enrolled students500 daily active users5-tier XP ranking system

TypeScriptNode.jsMongoDBNext.jsTanStack Queryshadcn/uiTailwind CSS

Live Demo Case Study →

AI Game Platform

MVP

19-engine gamified micro-learning platform with AI-generated content, universal envelope architecture, and server-authoritative scoring (hackathon MVP)

19 game engines, 6-seam extensible registryMulti-provider AI pipeline (Anthropic, OpenAI, Gemini, OpenRouter)Server-authoritative scoring with Zod schema validation at both ends

TypeScriptReactViteTailwind CSSExpressMongoDBRedisAnthropicTurborepoDocker

Source Code Case Study →