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Platforms

Production platforms, internal tooling and test infrastructure across Bitsmedia (MuslimPro), KONA Software Lab and SELISE — filter by discipline below.

All platforms

  • Full Stack400+ req/s at peak

    Prayer Times Web

    Migrated the Prayer Times engine from Kotlin to a NestJS microservice with all calculation APIs. Integrated MaxMind GeoIP for client IP resolution and Google Maps for place search. Added a cities database for optimized location lookups. The service now handles 400+ req/s at peak for 2.5M daily users, rising to 8M+ during Ramadan. Built the full frontend in Next.js with SEO and i18n support.

    • Next.js
    • NestJS
    • MaxMind GeoIP
    • Google Maps API
    • +2
  • Full Stack+30% YoY donations

    Giving — Donation Platform

    Re-platformed the legacy WordPress Giving engine to a modern Next.js/WooCommerce stack with advanced SEO integration. New design, lightning-fast load times, and structured data drove a 30% YoY increase in donations in 2025–2026.

    • Next.js
    • WooCommerce
    • SEO
    • Structured Data
    • +1
  • Full StackShorts, live & search

    Qalbox Video Platform

    Built the Qalbox streaming experience on MuslimPro: completed the shorts page independently, integrated live streaming, wired up search, and fixed numerous platform bugs. Added OG tags, sitemaps, and the first round of SEO for Qalbox pages.

    • Next.js
    • Video Streaming
    • Live Streaming
    • SEO
    • +1
  • Full StackEnd-to-end NestJS APIs

    Islamic Calendar

    Implemented all backend APIs for the Islamic Calendar feature in NestJS and supported frontend integration. Delivers Hijri dates, Islamic events, and festival schedules with proper SEO.

    • NestJS
    • Next.js
    • MongoDB
    • SEO
    • +1
  • Internal
    FrontendShell for all admin modules

    MuslimPro Admin Console

    Engineered a new Admin Console from scratch in Next.js. Built auth, reusable tables, forms, filter components, navigation menu, and theme setup — the platform teams now use to build and manage every admin module, from Gamification and Inspiration to Journal and Settings.

    • Next.js
    • TypeScript
    • Tailwind CSS
    • Auth
    • +1
  • Internal
    FrontendMulti-tenant · RBAC

    KONA Multi-Tenant Admin Panel

    Spearheaded an enterprise-grade multi-tenant e-commerce Admin Panel in Angular with RBAC, dynamic URL-based bootstrap for multi-tenancy, inventory pipelines, order & reporting management, and real-time WebSocket notifications. Owned and maintained internal frontend libraries (auth, themes, query/command services, WebSockets).

    • Angular
    • RxJS
    • Angular Material
    • .NET 6
    • +3
  • Frontend60–70% of UI delivery

    IPEX AG — SELISE Platform

    Primary frontend engineer for IPEX AG, Switzerland's market leader in building damage management. Delivered 60–70% of all UI work: reactive forms, advanced calculation engines, data tables, drag-and-drop dashboards, and an automated OCR pipeline for PDF-to-insurance-claim processing.

    • Angular
    • Angular Material
    • Selenium
    • JMeter
    • +1
  • Internal
    Testing6+ platforms automated

    Automated Testing Suite — SELISE

    Built a custom Selenium wrapper framework that automated regression testing across 6+ distinct enterprise web platforms. Conducted JMeter load testing to identify and resolve system performance bottlenecks.

    • Selenium
    • JMeter
    • Test Automation
    • Performance Testing

Contact

I'm open to senior engineering roles and interesting collaborations. Email is the fastest way to reach me.

LinkedIn
Dhaka, BangladeshLocal time saniuzzamanrobin07@gmail.com