Sourav S.

Product Engineer

Kolkata, West Bengal, India6 yrs 6 mos experience
Highly StableAI Enabled

Key Highlights

  • Engineered a custom OTA update system reducing bug-fix adoption time.
  • Led app releases with CI/CD pipelines for mobile applications.
  • Pioneered modular architecture for faster feature releases.
Stackforce AI infers this person is a Mobile Application Developer with expertise in scalable architecture and payment integrations.

Contact

Skills

Core Skills

Mobile Application DevelopmentReact Native

Other Skills

Node.jsExpress.jsFirebase CrashlyticsReact.jsPrompt EngineeringChatGPTReact HooksRedux.jsRedux ThunkRedux SagaFront-end DevelopmentJavaScriptCascading Style Sheets (CSS)HTMLECMAScript

About

Ready to turn ideas into apps that scale from 1 user to 1 million? Hi, I'm Sourav—an engineer obsessed with unlocking business growth through mobile innovation and seamless user experiences. ⚡️ With 6+ years in software engineering, I design, architect, and launch high-traffic mobile and web applications leveraging the best in React Native, Turbo modules, and cross-platform stacks. My work has directly powered apps with over 1 million downloads and earned me multiple technical awards—including Employee of the Year 2024 for driving impact and execution under tight deadlines. My value? I deliver more than stable code—I build future-ready systems: - Engineered a custom OTA update system that slashed bug-fix adoption from 5 days to 1, enabling hotpatches without waiting for store approvals. - Raised app stability (crash-free sessions up from 96.8% to 99.2%) by integrating Firebase Crashlytics and performance SDKs across iOS & Android. - Designed and launched advanced payment & update features (Apple Pay, Venmo, in-app ratings, Google Play in-app updates) to boost engagement and streamline user journeys. - Pioneered modular, micro-frontend architecture, speeding up independent feature releases and onboarding for distributed teams. - Mentored engineers and led app release management, owning pipelines from code to App Store/Play Store with CI/CD, Azure DevOps, and strict quality gates. What drives me? Pushing boundaries in enterprise mobility and integrating Generative AI into everyday development—whether it's using AI to automate code reviews, write docs, or spark UI/UX innovation. My toolkit: React Native, React, Redux Toolkit, Node.js, Express, TypeScript, Swift, Java, Objective-C, Firebase, Lottie Animation, Azure DevOps, Xcode, Android Studio, and more. I'm also passionate about mentoring teams, collaborating cross-functionally, and sharing what works through technical content. Let's connect if you're building something ambitious: mobile/web apps, scaling architecture, payment integrations, or want technical mentorship on your next release. 📈 Ready to take your product or team further? Drop me a message—always open to challenging collaborations and future-focused discussions.

Experience

Pwc acceleration centers in india

Senior Associate

Jul 2025Present · 8 mos · Kolkata, West Bengal, India · Hybrid

  • Crafted internal POCs in React Native + TypeScript, driving up adoption of scalable patterns and onboarding speed.
  • Selected for upskilling in Salesforce Lightning—contributing to PwC's enterprise mobility transformation strategy.
Mobile Application Development

Fareportal

2 roles

Senior Mobile Application Developer

Promoted

Apr 2023Jul 2025 · 2 yrs 3 mos · Remote

  • Architected and launched a custom OTA update system, reducing bug-fix adoption cycle from 5 days to 24 hours—empowering hotpatch and instant feature deployment.
  • Raised crash-free app sessions from 96.8% to 99.2% by implementing Firebase Crashlytics and optimizing performance flows.
  • Owned pipelines for App Store/Play Store releases—streamlining approvals, signing, and readiness across distributed teams.
  • Drove React Native upgrades (v0.71 → v0.78), integrating Fabric, Turbo Modules, and Hermes engine for performance gains.
  • Built native modules in Objective-C & Java for device-level APIs and high-performance features. 🚀
  • Mentored junior engineers and delivered promotional features, resulting in a 10% jump in user engagement.
Node.jsExpress.jsReact NativeMobile Application Development

Mobile Application Developer

Nov 2021Mar 2023 · 1 yr 4 mos · Remote

  • Delivered payment innovation: integrated Apple Pay, Venmo, and seamless Google Play in-app updates to optimize checkout flow.
  • Improved App Store/Play Store visibility by 4x via new in-app rating prompts.
  • Executed React Native upgrades (v0.64 → v0.71), resolving deep library conflicts and improving app memory/stability.
  • Managed Express.js REST APIs for mobile promotions, supporting agile feature launches and campaign rollouts.
  • Modernized UI/UX with responsive Lottie animations and reusable components for high-traffic screens.
React.jsReact NativeMobile Application Development

Tata consultancy services

2 roles

System Engineer

Promoted

Jul 2020Oct 2021 · 1 yr 3 mos

  • Delivered three internal inventory management apps for a UK retail client, boosting operational efficiency by 40% through mobile-driven transformation.
  • Designed reusable Redux/business logic packages—distributed as node modules for multiple React apps.
  • Acted as principal technical liaison, collecting requirements, defining architecture, and driving end-to-end delivery.
  • Led a team of 5 engineers to promptly resolve production incidents and ensure reliability for live apps.
  • Advocated Agile best practices through daily stand-ups, planning, and retrospectives. 📊
Node.jsExpress.jsMobile Application Development

Assistant System Engineer

Jul 2019Jun 2020 · 11 mos

  • Developed React Native e-commerce apps published to App Store/Play Store, collectively surpassing 1 million downloads.
  • Enhanced backend reliability with PM2 log rotation, load balancing, and custom alerting.
  • Implemented proactive monitoring, improving incident response time and live app stability.
Express.jsReact.jsMobile Application Development

Education

Narula Institute of Technology (NiT)

Bachelor of Technology — Electronics and Communications Engineering

Jan 2015Jan 2019

Shibpur Dinobandhoo Institution (Branch)

12th — Science

Jan 2013Jan 2015

Shibpur Dinobandhu Institution (Branch)

10th — General

Jan 2013Present

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