Sumil Jain Email & Phone Number

Mumbai, Maharashtra, India

Enhanced the EDBA (Education Basics) platform with key optimizations:Migrated 40K+ Accounts: Implemented Single Sign-On (SSO) to unify and streamline the login process for over 40,000 users.Optimized Report Generation: Reduced report generation time from 1-2 minutes to 50-100ms by implementing concurrency at both side DB Level (mongodb) & app side (NestJs).Custom Templating System: Developed a templating system using AWS Lambda, Puppeteer, and Handlebars.js, enabling customized Printable ID cards and certificates for 40,000+ students, cutting production time from 1-2 months to 10 seconds.Backend Ownership: Quickly learned and assumed full ownership of the backend systems (Reports and Customised Template Engine), driving continuous improvements despite limited resources (2-3 engineers).

Mumbai, Maharashtra, India

Overview: As a Full Stack Engineer with three years of experience, I led the development of over five microservices using Node.js (NestJs framework).Key Achievements:Dynamic Widget Development: Developed a multilingual React widget with configurable admin settings, optimized via webpack. Successfully delivered the project within a three-week deadline, demonstrating rapid development and deployment capabilities.Saaskarma Suits: Transformed a monolithic system into microservices, integrating complex features such as OAuth 2.1 authentication, RBAC, and Stripe for subscription management. Significantly reduced test case time (6 to 2-3 minutes) and memory usage (8GB to 2GB), earning leadership praise for enhancing testing efficiency and system performance.DFEP UI Revamp: Mastered micro-frontend technology and React Hook Forms, created a rich text editor with Slate JS, and ensured high code quality on AWS Code Commit using React Testing Library.AWS App-sync Integration: Led the replacement of traditional pub/sub services with AWS Appsync, achieving a cost reduction of 4-5 times. Developed backends in Node.js and frontend solutions in React and Flutter, expanding my skills in GraphQL, AWS Appsync, and WebSocket technologies.Technical Leadership: Developed and clarified complex webpack configurations and led API developments. Recognized for significantly reducing the workload of team leaders and enhancing project scalability and flexibility.Professional Growth:I have consistently driven technology innovation and efficiency improvements, recognized by senior management for leadership and technical prowess.