Interrogate Me About: React Native, React, JavaScript
Transmit Signal: [email protected]

Galactic Thought Leader on LinkedIn, sharing deep insights into web and mobile development, React Native, and modern JavaScript patterns. 🚀

• 🚀 Senior Mobile Engineer @ PwC India (Kolkata, India)
  Jul 2025 – Present

  • Building internal mobile POCs using React Native + TypeScript with a strong focus on scalability and clean abstractions.
  • Designed modular, reusable component patterns aligned with enterprise-grade standards.
  • Improved internal component library consistency, reducing duplication and speeding up team onboarding.
  • Collaborating across teams to define architecture best practices for long-term maintainability.

• 🚀 Senior Mobile Application Developer @ Fareportal (Remote)
  Apr 2023 – Jun 2025

  • Owned App Store & Play Store release management end-to-end — signing, approvals, rollout strategy, and hotfixes.
  • Built a custom OTA update system (CodePush-style delta updates) reducing bug-fix rollout time from 5 days → 24 hours.
  • Led React Native upgrades (0.71 → 0.78), adopting Fabric, Turbo Modules, and Hermes for better performance and lower JS thread load.
  • Developed native modules (iOS & Android) to unlock device-level APIs and performance-critical flows.
  • Improved crash-free sessions from 96.8% → 99.2% using Firebase Crashlytics.
  • Contributed to a micro-frontend, modular architecture enabling independent feature shipping across teams.
  • Delivered promotional features driving a 10% increase in user engagement.
  • Mentored developers, led code reviews, and enforced maintainable React Native patterns.

• 📱 Mobile Application Developer @ Fareportal (Remote)
  Nov 2021 – Mar 2023

  • Upgraded React Native 0.64 → 0.71, resolving major dependency conflicts and improving startup performance.
  • Integrated Apple Pay and native payment flows, reducing checkout friction.
  • Implemented Google Play In-App Updates to improve feature adoption and reduce outdated builds.
  • Built reusable UI components and Lottie animations for high-traffic booking flows.
  • Added in-app rating prompts, increasing daily ratings by 4×.
  • Owned Node.js + Express APIs supporting mobile promotions and campaign rollouts.

• 🖥️ System Engineer @ Tata Consultancy Services (Kolkata, India)
  Jul 2020 – Oct 2021

  • Delivered features across React Native and React Web applications in collaboration with UX, QA, and client teams.
  • Built 3 internal inventory management apps, improving store operations by ~40%.
  • Abstracted Redux and business logic into a shared internal package reused across multiple apps.
  • Served as production SPOC, leading a team of 5 to resolve live incidents.
  • Actively participated in Agile ceremonies to improve delivery efficiency.

• 💻 Assistant System Engineer @ Tata Consultancy Services
  Jul 2019 – Jun 2020

  • Published React Native e-commerce apps to App Store & Play Store with 1M+ total downloads.
  • Optimized Node.js backends using PM2 (clustering, log rotation).
  • Implemented proactive failure alerts, reducing production incident response time.

• 🏅 Employee of the Year Award (Fareportal) - Q4 2024
• 🏅 Ownership and Accountability Award (Fareportal) - Q1 2024
• 🏅 Fast Execution Awards (Fareportal) - Q2 2023 & Q2 2022
• 🏅 Passion For Customers Award (Fareportal) - Q4 2021
• 🏅 Technical Excellence Award (TCS) - June 2020
• 🏅 Technical Finesse Award (Narula Institute of Technology) - 2019

• Prompt Engineering for ChatGPT
  Vanderbilt University - Coursera (Sep 2023)

Narula Institute of Technology | 2015-2019
📚 Stream: Electronics & Communication Engineering

Shibpur Dinobandhu Institution (Branch) | 2013-2015
📚 Stream: Computer Science
💡 Early Programming Exposure: C++ fundamentals

Shibpur Dinobandhu Institution (Branch) | 2013
🚀 Initiated Tech Journey: Basic computer literacy & logical thinking

Engineered with Passion, Sarcasm, and a Dash of Cosmic Dust