Debdeep Majumder
Kharadi, Pune
Summary
Passionate Software Engineer with 9.10+ years in developing scalable, user-focused digital solutions. Skilled in technologies like HTML, CSS, JavaScript, Vue.js stack with Node.js, Express and MongoDB (MEVN Stack) including React 18 (MERN) stack.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Technical Lead
Happiest Minds Technologies
Pune
11.2025 - Current
- Led Vue team in developing config driven solutions for CLEAResult Energy platform using best development practices.
- Involved in architecture estimation, documentation, development, and feature delivery process ensuring project goals.
- Worked on Internal Tools using React 18, React Router, Parcel etc.
- Tech Stack- Vue 3, Vue CLI, Vite TypeScript, Bootstrap-Vue, Webpack Azure DevOps, Node.js stack (MongoDB, Mongoose and Express 4).
- Domain: Energy (ESS)
Senior Software Engineer
Tech Mahindra
Pune
03.2023 - 11.2025
- Lead, Developed, Managed scalable Vue Micro Frontends during Digital Transformation for Telefonica (Germany).
- Implemented brand-agnostic Telecom modules for prepaid and postpaid journeys, streamlining customer interactions across multiple channels.
- Mentored junior engineers to improve skill development and boost team productivity.
- Ensured compliance with WCAG standards and JAWS testing, Application Performance Testing.
- Tech Stack - Vue JS 2 & 3, Vuex 4, TypeScript, Rest API, Self-Contained Systems (SCS), JavaScript, HTML, CSS, Vue CLI, Vite, Web Pack, Jest, Vitest, Gitlab, AEM API & SLDS Integration, CI/CD pipelines etc.
- Domain: Telecom
Software Engineer
Born Group (A Tech Mahindra Company)
Pune
09.2021 - 02.2023
- Core frontend developer involved in developing Sim Management Modules (P Sim, e-Sim etc).
- Optimized API calls and UI workflows to improve front-end performance using Light House / Page Speed.
- Actively Involved in Regular Code Reviews, Scheduled Deployments and Release items.
- Tech Stack - Vue JS stack, HTML, CSS, Git, GitLab, Jira, and Confluence.
- Domain: Telecom
Software Engineer
Morningstar India Pvt Ltd.
Mumbai
10.2020 - 09.2021
- Developed Reusable UI Components for Morningstar Wealth's Managed Portfolio Platform using Vue 2 & Node JS Stack.
- Migration of legacy UI/UX of advisor and client portals using microservices architecture.
- Developed User Profile Login for Portal and re-developed Investor Insights for millions of customers.
- Tech Stack - Vue JS 2, Vue Router, Jest, Morningstar Design System (MDS) and Node JS stack to enhance functionality, resulting in improved user experience.
- Domain: Asset Management
Applications Developer 2
Oracle Financial Services Software (R&D)
Mumbai
05.2016 - 10.2020
- Engineered modules such as Liquidity Management and Oracle Payments, Corporate Loans, Virtual Account Management (Peer to Peer, Bulk, Domestic, International, Merchant Payment etc.) from scratch for Channel Banking Product OBDX (Oracle Banking Digital Experience).
- Responsible for complete Web Accessibility Compliance (VPAT) testing, report generation, solution and documentation & performance testing for modules.
- Tech Stack - Oracle JET, Knockout.js, HTML5, CSS3, and JavaScript, ES6, Java 7, and Oracle PL/SQL, WebLogic, Docker containerization.
- Domain: Banking, Financial Services, and Insurance (BFSI)
Software Developer Trainee(Contract)
Ricoh India Pvt Ltd
Kolkata
01.2016 - 03.2016
- Refined and worked on Ricoh Docs Registration form enhancements.
- Performed manual unit tests on modules to confirm optimal functionality and enrich UX.
- Tech Stack - HTML, CSS 3, jQuery, and JavaScript.
- Domain: DMS (Document Management Software)
Education
Bachelor of Technology - Information Technology
Academy of Technology
Kolkata, India07-2015
Skills
Frontend Technologies
- HTML, CSS (SCSS, SASS)
- JavaScript (ES6), TypeScript
Frontend Frameworks & Libraries
- Vuejs 2 & 3, Vuex, Vue Router
- React 18, Router
- KnockoutJS, Oracle JET (OJET)
- jQuery, Bootstrap
Backend & APIs
- Nodejs, Expressjs
- Python (Basics)
- REST API & Integrations
Database & ODM'S
- MongoDB, Mongoose, Oracle SQL, SQLite 3
Testing
- Jest, Vitest, Unit Testing
Version Control
- Git, SVN
DevOps & Platforms
- GitLab, Azure DevOps, Bitbucket
Code Quality & Linting
- SonarQube, ESLint
Build Tools
- Vue CLI, Vite, Web Pack, Parcel
UI/UX & Design Tools
- Micro Frontend Architecture (MFE & SCSS)
- Responsive Design & knowledge of Figma, InVision
Accessibility & Performance
- Web Accessibility (WCAG 20), JAWS, Page speed / Lighthouse,
Project Management & Collaboration
- JIRA, Confluence, Azure Ops
- Agile Methodologies
Upskilling Stack-
- Python, SQL Alchemy, Django, Fast API
AI Tools-
Claude, Co Pilot, Cursor
Certification
- Website Performance Metrics Measurements using Core Web Vitals
- Web Accessibility Standards – W3C.org
- Specialized Training: Jest Unit Testing, Performance Tuning, Project Management, Python, Django 6, FastAPI
Accomplishments
- Team Player Award from SFDC Team for creating E2E Project Documentation & Explanation for Teams at Happiest Minds.
- Promoted to Senior/Principal Software Engineer – Frontend at Tech Mahindra (Born XDS).
- Promoted to Applications Developer 2 at Oracle for consistent performance.
- Client appreciations from Telefonica at Tech Mahindra / Born Group.
- Awards: Digital Warrior (2023), Pat on the Back (2024), Bravo/Kudos Awards, Star Performer MFE (2022, 2023, 2024, 2025).
- Lead teams with successful execution, delivery, and culture.
Timeline
Technical Lead
Happiest Minds Technologies
11.2025 - Current
Senior Software Engineer
Tech Mahindra
03.2023 - 11.2025
Software Engineer
Born Group (A Tech Mahindra Company)
09.2021 - 02.2023
Software Engineer
Morningstar India Pvt Ltd.
10.2020 - 09.2021
Applications Developer 2
Oracle Financial Services Software (R&D)
05.2016 - 10.2020
Software Developer Trainee(Contract)
Ricoh India Pvt Ltd
01.2016 - 03.2016
Bachelor of Technology - Information Technology
Academy of Technology