# Taimoor Khan > Full-stack product engineer and Flutter developer / Django developer building SaaS platforms, mobile apps, and BLE/IoT hardware integrations (ESP32, STM32) for startups and businesses. 5+ years of experience shipping production systems end-to-end, based in Islamabad, Pakistan, working remotely worldwide. Taimoor Khan is a full-stack product engineer specializing in Flutter mobile development, Django/DRF backends, BLE/IoT hardware integration, AI/LLM systems, and multi-tenant SaaS platforms. Available for hire on a freelance/contract basis for startups and businesses needing an MVP built, a mobile app shipped, or a legacy backend modernized. ## Pages - [Home](https://www.taikha.dev/): Overview of services, tech stack, and process. - [Flutter Developer](https://www.taikha.dev/flutter-developer): Dedicated page for Flutter/mobile hiring — capabilities, proof projects, tech stack, FAQ. - [Django Developer](https://www.taikha.dev/django-developer): Dedicated page for Django/backend hiring — capabilities, proof projects, tech stack, FAQ. - [About](https://www.taikha.dev/about): Background, work experience, and skills. - [Services](https://www.taikha.dev/services): MVP development, SaaS development, mobile app development (Flutter), AI systems, automation workflows, dashboards & analytics. - [Case Studies](https://www.taikha.dev/case-studies): Real shipped projects — see below. - [Blog](https://www.taikha.dev/blog): Technical articles on Flutter architecture, BLE, Django, SaaS scaling, and AI applications. - [Contact](https://www.taikha.dev/contact): Start a project or book a call. ## Services - **MVP Development** — production-ready MVPs for startups, not prototypes. Next.js/Django/Flutter/PostgreSQL/Firebase. - **SaaS Development** — multi-tenant architecture, Stripe billing, admin & customer dashboards, RBAC. - **Mobile App Development** — cross-platform Flutter apps (iOS + Android), offline-first, push notifications, BLE/hardware integrations. - **AI Systems** — LLM integrations (OpenAI, LangChain), RAG pipelines, intent detection, cost-optimized inference. - **Automation Workflows** — background task processing (Celery/Redis), tool/API integrations, scheduled and event-driven jobs. - **Dashboards & Analytics** — real-time charts, KPIs, exports, role-based access. ## Case studies - [DeenRoot](https://www.taikha.dev/case-studies/deenroot): Free, ad-free Qur'an platform (114 surahs, 6,236 ayahs, 263 translations in 86 languages) with a scripture-integrity guarantee enforced at the Postgres layer, a RAG-grounded AI assistant, and a Redis-locked/circuit-breaker-guarded sync engine with a hard 2-second hydration ceiling. Built solo — Django/DRF + Next.js. Live at deenroot.com. - [Student Portal System](https://www.taikha.dev/case-studies/student-portal): Multi-role school management SaaS (Flutter/Django/Firebase) — 2,000+ active students across 3 schools, 80% reduction in manual work via biometric attendance and automated reporting. - [Karwan-e-Falah](https://www.taikha.dev/case-studies/karwan-e-falah): Charitable medical inventory and real-time prescription dispatch system (Django/Channels/Celery) — 5,000+ SKU catalog synced in under 100ms, ~15 hours/week of manual auditing removed. - [BLE IoT Support App](https://www.taikha.dev/case-studies/ble-iot): Flutter app for BLE device authentication and control with ESP32 firmware — 15+ device variants, 99% pairing success, sub-200ms auth. - [CRM & Inventory System](https://www.taikha.dev/case-studies/crm-inventory): Unified CRM + inventory + sales reporting platform (Flutter/Django) — 5,000+ SKUs, 500+ tracked sales cycles, ~70% faster reporting. - [Django Enterprise Legacy Upgrade](https://www.taikha.dev/case-studies/django-upgrade): Zero-downtime migration of an enterprise app from Django 2.x to 5.x — 100% of flagged security risk resolved, +35% query performance. ## Blog articles - [Building a Sync Engine for Scripture](https://www.taikha.dev/blog/building-sync-engine-for-scripture): Circuit breakers, Redis distributed locks, and a Postgres BEFORE UPDATE trigger for scripture-integrity guarantees under load. - [Building AI Apps with Flutter](https://www.taikha.dev/blog/building-ai-apps-with-flutter) - [Django Upgrade Guide](https://www.taikha.dev/blog/django-upgrade-guide) - [Flutter BLE Background Service](https://www.taikha.dev/blog/flutter-ble-background-service) - [Deploying Django on AWS](https://www.taikha.dev/blog/deploying-django-on-aws) - [Flutter Performance Optimization](https://www.taikha.dev/blog/flutter-performance-optimization) - [Firebase vs Supabase](https://www.taikha.dev/blog/firebase-vs-supabase) - [SaaS Architecture with Django](https://www.taikha.dev/blog/saas-architecture-with-django) - [Django REST API Best Practices](https://www.taikha.dev/blog/django-rest-api-best-practices) - [Flutter BLE Guide](https://www.taikha.dev/blog/flutter-ble-guide) - [Flutter Clean Architecture](https://www.taikha.dev/blog/flutter-clean-architecture) ## Core expertise Flutter, Dart, Django, Django REST Framework, PostgreSQL, Firebase, BLE/ESP32/STM32 firmware integration, Next.js, React, TypeScript, Celery, Redis, AI/LLM integrations (OpenAI, LangChain, RAG). ## Contact & links - Website: https://www.taikha.dev - GitHub: https://github.com/Taimoork8 - LinkedIn: https://linkedin.com/in/taimoorkhan405 - X/Twitter: https://x.com/taimoor405