Experience

Building software since 2019

Leading engineering at Fortanixor today; before that, eight production React Native apps and a run of web platforms at Bits Collision, with freelance work throughout.

Projects shipped: 100+
Clients, from startups to large enterprises: 50+
Job Success on Upwork: 100%

Roles

Where I've worked

Software Development Lead
Fortanixor Technologies
CurrentJan 2025 to present
- Lead engineering for a passwordless authentication platform: Kotlin Android SDK, React Native bridge SDK (iOS + Android), Node.js/Express + Prisma backend and React admin panel.
- Built FIDO2 / WebAuthn registration and assertion end to end: CBOR attestation parsing, Android Keystore key storage, encrypted preferences and server-side challenge verification.
- Built device fingerprinting, risk detection and an SDK telemetry pipeline used by integrating banks.
- Built Next.js/Strapi developer documentation portals and a load-testing harness that validated auth services before bank rollout.
- Contributed to an AI voice-command banking feature (English and Urdu) shipped inside Pakistan's largest digital banking app.
Senior Full Stack Engineer
Bits Collision
Aug 2022 to Dec 2024
- Delivered 8+ production React Native apps across gifting, retail POS, healthcare, social and fleet tracking.
- Built a fleet telematics app with live tracking, marker clustering over thousands of points, trip replay and geofencing.
- Shipped ASP.NET Core 8/9 Web APIs with EF Core, JWT auth, Hangfire jobs, MinIO storage and Twilio/MailKit notifications.
- Built Next.js SaaS products: school fee management with Paddle billing and PDF invoicing, a rent-a-car marketplace and a startup directory on Supabase.
- Created a reusable React + Vite admin-panel template that cut new-panel setup from days to hours.
- Deployed and maintained workloads on AWS ECS and Linux VPS with Docker, Nginx, Certbot and PM2.
Full-Stack & Mobile Engineer
Freelance - Direct Clients
CurrentJan 2019 to present
- Native Android apps in Kotlin (MVVM, Retrofit, Room, coroutines) from Play Store listing through maintenance.
- Published npm developer tooling, including express-typescript-app and an Express-style middleware layer for Next.js API routes.
- Scrapers and automation with Puppeteer, Playwright and Scrapy for lead generation, real-estate data and reporting.
- RAG chatbots with Qdrant and multi-provider routing across OpenAI, Anthropic and Gemini; AI agents, WhatsApp/Discord bots and YOLOv8 computer vision.

Where I've worked

Software Development Lead

Senior Full Stack Engineer

Full-Stack & Mobile Engineer

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