Apurba Ghosh

Software Development Engineer
Bangalore, IN.

About

Highly accomplished Software Development Engineer with 2+ years of experience in building scalable, high-performance web and mobile applications across gaming and ed-tech sectors. Proven expertise in full-stack development, performance optimization, and architectural design, consistently delivering user-centric features that enhance engagement, reduce load times by up to 40%+, and drive significant user acquisition and retention.

Work

Games24x7
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Software Development Engineer - 2

Bangalore, Karnataka, India

Summary

As a Software Development Engineer II, Apurba led end-to-end development of critical features, optimizing performance and driving significant user acquisition within a high-traffic gaming environment.

Highlights

Led end-to-end development of the Cash Leaderboard feature across mobile and internal platforms, implementing real-time WebSocket updates for 70K+ daily entries, achieving zero PO bugs under tight IPL deadlines and quadrupling player acquisition rates.

Optimized WebView performance for the Add Cash Ludo journey by implementing Webview Preloading and Code Splitting, reducing 90th percentile user load times from 8s to 3s and increasing Long-Term Player (LTP) by 5%.

Engineered a scalable hybrid React Native + Native Caching framework for JS/CSS assets, leveraging AWS Lambda and ZooKeeper for 40%+ faster load times across all Lego journeys.

Implemented a scalable and modular Performance Monitoring Module, integrating Firebase Performance Monitoring to track key metrics like game table load times and app start times, enabling faster root cause analysis.

Drove Technical Debt reduction by migrating critical APIs, adding performance monitoring, and implementing GraphQL query specific metrics to improve API response handling and system scalability.

Spearheaded iOS development for Wowzy, resolving multiple platform-specific issues and building tooltip/modal priority mechanisms to prevent UI conflicts, significantly improving app stability and user experience.

Recognized with an “Extra Mile Award” for strong user-centric execution, seamless cross-team collaboration, and delivering high-quality, high-impact features balancing performance, scalability, usability, and visual polish.

Orah
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Software Development Engineer

Remote, Any, US

Summary

As a Software Development Engineer, Apurba developed and enhanced core communication and analytics platforms, significantly boosting user engagement and data comprehension for an ed-tech product.

Highlights

Led development of Orah Conversations, a real-time, two-way communication platform for students and teachers via proprietary Orah Staff and Student Apps, ensuring privacy and making it a highly sought-after product.

Developed the native cross-platform Orah Families application using React Native and a clean-code architecture, introducing a design system that drove a remarkable 46% surge in monthly active users.

Created Orah Attendance Insights, an Analytics dashboard with D3.js and React, providing schools with comprehensive student attendance data through visually captivating and responsive graphs, following Test Driven Development principles.

Implemented Orah Connect, a comprehensive communication feature enabling staff to broadcast messages via Email, SMS, and push notifications, with thorough end-to-end testing using Playwright and Unit Tests.

Integrated Single Sign-On (SSO) Service into Orah Families, enabling seamless logins with providers like Google and Microsoft, resulting in 70% of Parent users adopting the SSO login flow.

Education

Heritage Institute of Technology
Kolkata, WB, India

Bachelors

Technology

Languages

English

Skills

Programming Languages

Javascript, Python, C++, Java, Typescript, Kotlin.

Frontend Technologies

React, React Native, Angular, jQuery, D3.js, Next.js, EJS, SCSS, SASS, Styled Components, Tailwind CSS, Redux.

Backend Technologies

node.js, GraphQL, RTKQuery, Socket.io.

Testing & CI/CD

Jest, Playwright, React Testing Library, Unit Tests, Test Driven Development.

Cloud & Version Control

AWS Lambda, ZooKeeper, Git.

Tools & IDEs

Studio Visual Code, Cursor, Android Studio, XCode, Firebase Performance Monitoring.