Abin John

Flutter developer with 4+ years of experience building apps for Android, iOS, and web from a single codebase. Led a team of 4–5 developers, set up the team's MVVM architecture, and handled all store releases. Worked mostly with payment systems (Razorpay, Stripe, PayPal, Cashfree), real-time features (WebSocket, RFID), and built an OpenAI integration for a production school app.

• Lead Flutter Developer at Nexotech Solutions | 2025-09 - 2026-03: Product & service company: Took features from spec to store release on Android and iOS. Handled builds, signing, and submission.

  Integrated

  Razorpay payments — checkout flow, transaction handling, and error states. Built a live-update layer on WebSocket so the UI stayed in sync with the server without manual refresh.

  Wrote

  Python REST APIs that the Flutter apps consumed for data and business logic.

• Lead Flutter Developer at Lepton Plus Communications | 2022-12 - 2024-07: Product & service company: Led a team of 4–5 Flutter devs. Set up MVVM with feature-first structure and GetX for state management — used across all team projects. Managed all store releases — app signing, versioning, and submission on Google Play and App Store.

  Built and maintained apps for web, Android, and iOS from a shared codebase. Built an AI assistant using OpenAI API for a school management app — helped students and teachers clear doubts.

• Bachelor of Computer Applications - Computer Applications | IGNOU, Trivandrum | 2027
• Flutter Development — 12-Month Program - Flutter Development | Brototype | 2022-01 - 2022-12
• Higher Secondary - Science | Kerala | 2019
• Diploma in Health, Safety & Environment - Health, Safety & Environment | 2020