Sreeja Sarkar
Kolkata
Summary
Full-stack software engineer with 5+ years building scalable web applications using React, JavaScript, TypeScript, Node.js, and NestJS. Develops reusable components, REST APIs, and AWS serverless solutions. Modernizes applications and improves performance through focused optimization and infrastructure automation with AWS CDK. Completes code debugging and reviews using GitHub Copilot.
Overview
1
1
Certification
7
7
years of professional experience
Work History
Packaged App Development Analyst
Accenture
Kolkata
02.2024 - Current
- Refined React UI features and connected frontend applications with backend REST APIs to enhance the user experience.
- Added service worker support for offline access, cached network requests, and synced data after connectivity returned.
- Built offline image support, including image caching, retrieval, and sync for offline installs.
- Built PDF generation and upload flow, including PDF creation and secure document uploads to AWS S3.
- Maintained AWS Lambda functions and supported backend API enhancements to improve application functionality and integration.
- Migrated application from Create React App to Vite, updating development and build setup.
- Upgraded application to latest React and Node.js versions, resolved compatibility issues, and managed dependency updates.
- Improved frontend performance through lazy loading, API optimization, and faster application loading.
- Implemented internationalization (i18n), translation, and localization to support multiple languages and regional requirements.
- Developed reusable shared UI components, and contributed to common component library for cross-application reuse.
- Maintained state management using Redux and Context patterns.
- Developed serverless REST APIs using Node.js, TypeScript, and AWS CDK for AWS Lambda, API Gateway, and DynamoDB to streamline data management.
- Leveraged GitHub Copilot to create custom agents, including a JIRA Planner and Test Case Writer, to streamline daily development tasks; used AI-assisted coding for code suggestions, bug fixes, performance optimization, and code reviews.
Software Developer
Hexaware Technologies
Chennai
06.2023 - 01.2024
- Built and maintained full-stack web application using React for frontend, NestJS for REST API backend, and MongoDB for data storage and management.
- Created reusable React component libraries and published them to Azure Artifacts for use across multiple projects.
- Implemented authentication and authorization using JWT and Microsoft Authentication Library (MSAL) to support secure user sign-in, token-based session management, and Microsoft identity service integration.
Associate Software Developer
Hexaware Technologies
Chennai
10.2021 - 05.2023
- Supported development and maintenance of responsive web application features using React.js, JavaScript, HTML5, and CSS3.
- Added RESTful API endpoints with Node.js and Express.js to support frontend features and backend data handling.
- Validated forms and managed user input and interface interactions to enhance application usability.
- Identified, debugged, and resolved frontend and backend issues in collaboration with senior developers and cross-functional teams during Agile reviews, testing, and feature updates.
Intern
HighRadius
Bhubaneswar
04.2020 - 06.2020
- Built simple applications with JavaScript, HTML, and CSS.
- Supported development of small React projects using functional components, hooks, state management, and JWT authentication.
Education
Bachelor of Technology - Computer Science And Engineering
Kalinga Institute of Industrial Technology
Bhubaneswar, Orissa05-2021
Skills
- Reactjs
- Nodejs
- NestJS
- Typescript
- Javascript
- Nextjs
- HTML5
- CSS3
- Material UI (MUI)
- AWS Cloud Development Kit (CDK)
Certification
- Claude Certified Developer - Foundations (Anthropic)
- AWS Certified Developer - Associate (AWS)
Accomplishments
- The Extra Mile Award, Q4 2024 ( Accenture )
- Top Performer Award, Q4 2025 ( Accenture )
Timeline
Packaged App Development Analyst
Accenture
02.2024 - Current
Software Developer
Hexaware Technologies
06.2023 - 01.2024
Associate Software Developer
Hexaware Technologies
10.2021 - 05.2023
Intern
HighRadius
04.2020 - 06.2020
Bachelor of Technology - Computer Science And Engineering
Kalinga Institute of Industrial Technology