Headline

SDE - Codeyoung || Full Stack Mobile & Web Developer || System Design

About

Currently working at Codeyoung as a Full Stack Engineer, contributing to the development of Catalyst, a 1:1 mentor-student SAT preparation platform. Responsibilities include end-to-end development of the web and mobile app using React.js, Flutter, Node.js, Express.js, and MongoDB, as well as managing AWS infrastructure for backend hosting and asset storage. Graduated with a Bachelor of Engineering in Computer Science from Chandigarh University. Skilled in AWS, NoSQL, and Git, with a demonstrated ability to build scalable applications and optimize systems for performance and efficiency. Focused on delivering impactful and user-centric technology solutions.

Location

Bengaluru

AI stack

anthropic apis

claude

github copilot

notion

OpenAI Agents SDK

Supabase

Work experience

Full Stack Engineer at Codeyoung, Apr 2026 - Present · 5 mos, Catalyst — 1:1 mentor-student SAT preparation platform | Flutter, Node.js, Express.js, MongoDB, AWS • Spearheaded development of Catalyst from the ground up, owning both frontend and backend as the founding engineer on the project, using Flutter, Node.js, Express.js, and MongoDB. • Provisioned and configured core AWS infrastructure, including EC2 for backend hosting and S3 for asset storage, establishing the platform's production environment. • Built and shipped the Catalyst mobile app using Flutter, applying BLoC and Clean Architecture for scalable state management, and led releases to the Play Store and App Store. • Designed and implemented the 1:1 mentor-student relationship model, handling matching, scheduling, and session-state logic to support 1,000+ students across multiple batches. • Optimized backend APIs to consistently perform above the P95 latency target, with several endpoints meeting P99 benchmarks under production load. • Collaborated directly with US and UK-based customers and cross-functional teams to gather requirements, align on priorities, and iterate on product features. • Applied core system design principles across Catalyst — indexed MongoDB schema design for scale, modular layered architecture for maintainability, caching and rate-limiting strategies for performance, and secure auth/validation practices to keep the platform reliable as usage grows. • Built a real-time chat feature for mentor-student communication using WebSockets, evaluating short/long polling first and choosing sockets for lower latency and reduced server load at scale.

SDE-1 at Thriving Springs AI, Mar 2024 - Mar 2026 · 2 yrs 1 mo, Hyderabad, AI-powered learning platform | React 18, Node.js, Express.js, MongoDB, Redis, Flutter • Optimised legacy MongoDB aggregation pipelines, achieving a 98%+ reduction in API response times (20s → <300ms) and significantly lowering server overhead at scale. • Built and owned a Flutter cross-platform (Android & iOS) mobile application with 19.5k+ downloads and 9k+ MAU, applying BLoC and Clean Architecture to improve scalability and reduce crashes by 40%. • Architected a high-concurrency Redis-backed leaderboard (ThriveMiles) using optimized cache-write strategies and TTL mechanisms, delivering an 85% improvement in real-time metric retrieval. • Enhanced mobile UX through lazy loading and image caching, cutting perceived load times by 66% while maintaining 99.996% uptime across Android and iOS. • Designed a scalable, role-based LMS assessment and competency framework, successfully supporting 100,000+ learners in production. • Improved system reliability by integrating New Relic and Postman, reducing RCA time by 30%, and led end-to-end Play Store and App Store releases in collaboration with Uber, Apollo, and InCred.

Education

Bachelor of Engineering - BE, Computer Science, CHANDIGARH UNIVERSITY

B.E./B.Tech, Computer Engineering, CHANDIGARH UNIVERSITY

Public links

github: https://github.com/shubhamdogracy

leetcode: https://leetcode.com/shubhamdogra