Senior Flutter Developer | System Architect | Award-Winning Engineer
🚀 Building scalable mobile systems, architecting fintech platforms, and optimizing performance for apps serving 10+ lakh users.
I'm a Bangalore-based software engineer with over 4 years of experience building robust mobile applications using Flutter and Android. I've led engineering efforts in fast-paced fintech companies, won Flutter Puzzle Hack (Best Execution), and created high-impact open-source tools.
I specialize in:
- Mobile development with Flutter & Kotlin
- System architecture and backend integration
- Security & compliance (PCI DSS, 2FA)
- Performance optimization & CI/CD pipelines
- 🥇 Best Execution Winner @ Flutter Puzzle Hack (Google)
- 📰 Founder of Matrix News App – Processes 5,000+ articles/day using vector search, embeddings & Spring Boot
- ⚡ Cached Build Runner – Reduced Flutter build time from minutes to seconds
- 🔐 RBI-Compliant SDK – Built credit card infra used across 3 banks
- 🎓 Built Redis, Kafka, BitTorrent from scratch via CodeCrafters
- ✍️ Published author on Medium
Feb 2024 – May 2025
- Built server-driven UI system for 4 apps (zero manual releases)
- Replaced MoEngage with in-house analytics (saved $10K/year)
- Architected RBI-compliant SDK for credit card infra
Jul 2022 – Feb 2024
- Achieved PCI DSS compliance across infra stack
- Flutter-native code blend for VKYC, 2FA, and authentication
Jul 2021 – Jul 2022
- Core developer for Jio Meet during pandemic
- Migrated legacy XML UI to Jetpack Compose
- Star Employee award winner
Jul 2020 – Jul 2021
- Real-time poker app (Boston)
- Firebase-powered social platform (NYC)
- Cross-platform app ingesting 5K+ articles/day
- Vector DB with MongoDB, Spring Boot APIs, and Cloudflare CDN
- Built ML-based clustering for similar news items
- 8000+ downloads, 17 stars on GitHub
- Dart build optimizer using file hash-based caching
- Best Execution @ Flutter Puzzle Hack
- Featured by Google for top-tier code & animation
- Redis, Kafka, BitTorrent – built from scratch
- Deep dives into networking and protocol design
Mobile: Flutter, Kotlin, Android
Backend: Spring Boot, Node.js, MongoDB, Firebase
DevOps & Infra: AWS S3, CI/CD, Linux
Languages: Dart, Java, Go, Python, JS
Security: PCI DSS, RBI Compliance, Encrypted Storage
📚 I regularly write about Flutter architecture, system design, and mobile performance on Medium.
Built with ❤️ by Jyotirmoy Paul
“Crafting meaningful experiences. One line of code at a time.”