SWARNAV SAHA
Kolkata
Summary
Dynamic Senior Frontend Engineer with over a decade of IT experience, including more than six years focused on developing scalable SaaS and AI-integrated applications using Vue.js, React.js, Nuxt.js, and Next.js. Proficient in JavaScript (ES6+), TypeScript, and Node.js, with hands-on expertise in Supabase, AWS, and REST/GraphQL APIs. Skilled in crafting responsive user interfaces and seamlessly integrating AI components such as ChatGPT and Claude. Experienced in mentoring teams to achieve secure, high-performance digital products that align with strategic business objectives. Committed to driving innovation and enhancing user experiences through cutting-edge technology solutions.
Overview
12
12
years of professional experience
1
1
Certificate
Work History
Senior Software Engineer
CAPITAL NUMBERS INFOTECH LTD.
10.2020 - Current
- Led frontend development using Vue.js and Next.js for scalable SaaS platforms.
- Designed and integrated dynamic, real-time UI modules with REST APIs and WebSockets.
- Integrated ChatGPT and Claude APIs to enhance product intelligence.
- Built custom chart visualisations with Chart.js and document workflows via PDFTron.
- Managed real-time data flows using Supabase and MongoDB for authentication and sync.
- Optimised UI performance, reducing page load time by 30%.
- Developed secure payment processing using Stripe and PayTabs.
- Contributed to CI/CD automation and deployed apps via AWS S3.
Senior Software Developer
INGRAM MICRO INDIA (ENSIM India Pvt. Ltd.)
01.2019 - 10.2020
- Developed the Ingram Cloud Vendor App using Vue.js and microservice architecture.
- Reduced bundle size and improved reusability through Lodash and code-splitting.
- Executed end-to-end testing using Jest, Cypress, and Protractor.
- Collaborated in Agile sprints, consistently delivering priority modules on schedule.
Magento Developer
IGLOBAL IMPACT ITES PVT. LTD.
07.2016 - 12.2018
- Led a team of 5+ developers to deliver custom eCommerce solutions.
- Automated product data migration from Alibaba to Magento using PHP.
- Developed dynamic JavaScript features, including animations, user trees, and AJAX cart updates.
Magento Developer
SEND MY GIFT
02.2016 - 06.2016
- Developed Magento REST APIs for Android and iOS integration.
- Implemented Google Maps-based delivery time calculations and custom subscription models.
- Developed AdWords promotional landing pages and SEO-friendly web pages to improve digital reach and organic traffic.
- Worked on inventory management systems, optimising stock tracking and automated order updates.
- Established a dynamic delivery-time estimation module that personalised delivery schedules based on each customer’s location.
Software Developer
INDGLOBAL CONSULTANCY SOLUTION
07.2015 - 01.2016
- Enhanced UX and page speed using AngularJS (v1) components.
- Created Magento APIs for mobile app synchronisation and product management.
- Worked extensively with the Magento CMS, managing content modules, custom extensions, and store configurations.
- Developed JavaScript-based animations and dynamic UI elements to improve frontend usability.
- Collaborated directly with clients to gather requirements, provide technical insights, and ensure the timely delivery of solutions.
- Conducted training sessions for junior developers on Magento fundamentals, code organisation, and debugging practices.
Software Developer
WEBSKITERS TECHNOLOGY SOLUTION PVT. LTD.
03.2014 - 07.2015
- Developed E-commerce modules and optimised product import workflows.
- Designed and implemented interactive UI components using jQuery, HTML5, and CSS3.
- Assisted senior developers in Magento-based project development and feature enhancements.
- Collaborated with the QA team to perform manual testing and identify frontend bugs.
- Wrote clean, maintainable JavaScript code while learning best practices in web standards and accessibility.
Education
B.Tech - Electronics & Communication Engineering
West Bengal University of Technology
07-2013
Skills
- Frontend: Vuejs (2 & 3), Reactjs, Nextjs, Nuxtjs, TypeScript, Tailwind CSS, SCSS, HTML5, CSS3
- Backend & APIs: Nodejs, Supabase, REST/GraphQL APIs, AWS S3, WebSocket, Stripe, PayTabs, PayPal
- Testing & Automation: Jest, Cypress, Protractor, Vee-Validate
- Cloud & DevOps: CI/CD Pipelines, AWS (S3, Presigned URLs), Git/GitHub, Jira, Confluence
- UI/UX & Tools: Figma, Chartjs, PDFTron, Webpack, Vite, Lazy Loading, Code-Splitting
- AI & Integrations: ChatGPT API, Claude, Cursor, real-time data handling
- Leadership: Agile/Scrum, Sprint Planning, Technical Mentorship, Cross-Functional Collaboration
Certification
- Wipro NCB Migration Project
- Build Modern Full-Stack Apps with Next.js and Supabase (Udemy)
Timeline
Senior Software Engineer
CAPITAL NUMBERS INFOTECH LTD.
10.2020 - Current
Senior Software Developer
INGRAM MICRO INDIA (ENSIM India Pvt. Ltd.)
01.2019 - 10.2020
Magento Developer
IGLOBAL IMPACT ITES PVT. LTD.
07.2016 - 12.2018
Magento Developer
SEND MY GIFT
02.2016 - 06.2016
Software Developer
INDGLOBAL CONSULTANCY SOLUTION
07.2015 - 01.2016
Software Developer
WEBSKITERS TECHNOLOGY SOLUTION PVT. LTD.
03.2014 - 07.2015
B.Tech - Electronics & Communication Engineering
West Bengal University of Technology
HIGHLIGHTS & ACHIEVEMENTS
- Delivered 30+ projects across SaaS, AI, and eCommerce domains.
- Mentored junior developers and improved team velocity through Agile coaching.
- Recognised for clean, modular, reusable code and scalable architecture design.
Highlights & Achievement
- Delivered 40+ projects across SaaS, AI, and eCommerce domains.
- Mentored junior developers and improved team velocity through Agile coaching.
- Recognised for clean, modular, reusable code and scalable architecture design.