Product-Focused Frontend Engineer with 5+ Years

ARUN BABU J S, PRODUCT FOCUSSED FRONTEND ENGINEER

Email-id: **********@*****.*** LinkedIn: https://www.linkedin.com/in/arunbabujs/ Contact no.: + 91 - 994-***-**** Address: K.K.Nagar, Chennai -78. Professional Summary

Frontend Engineer with 5+ years of experience building scalable, UI-driven web applications using React, JavaScript. Experienced in product development, MVP delivery, and AI-powered solutions (LLMs, RAG). Former Computer Science Lecturer (6 yrs) with a strong foundation in software engineering principles. Core Skills

Product Management & UI/UX: Design Thinking, Product Design, Agile / Scrum / Backlog Management, Stakeholder Management, Prototyping

Frontend: React.js, JavaScript (ES6+), TypeScript, HTML5, CSS3, Bootstrap, Three.js Backend: Node.js, Express.js, MongoDB, Python (Scripting), Docker, Azure DevOps: Docker, Linux, Shell Scripting, CI/CD, Azure DevOps, Kubernetes AI & LLM: Azure Open AI Services, RAG, Vector Databases, Prompt Engineer, Whisper. Others: SCORM, Agile (Scrum)

Professional Experience

Software Engineer (Solutions and Product Engineer) L&T EduTech Feb 2021 to Feb 2026. o Projects – AI Solutions for EduTech Tech Stack – MERN, Python, AI - LLMs o Built and explored AI-driven solutions using LLMs and RAG architectures for content generation and chatbot assistants.

o Developed vision-based modules for intelligent content processing and automation. o Projects – Assessments Security Tech Stack – Linux, Shell Script, Docker, MySQL o Designed and implemented secure server infrastructure using Linux and Docker. Configured Firewall and VPN Channels for application security.

o Implemented Automated Database Backup workflow for Exam Servers. o Projects – Computer Based Test Tech Stack – MERN (MongoDB, Express Js, React, Node Js), Linux o Owned the Complete product and delivered technical solutions. o Built secure Docker-based deployment utilities and Linux-based netboot systems. o Projects – Online Code Editor Tech Stack – MERN (MongoDB, Express Js, React, Node Js) o Incubated the product from scratch and managed the MVP release and creating business awareness. o Worked on various Proof of Concepts and design of the core modules of the application o Developed Online Code Editor and Cloud Development environment for various technologies such as Programming Languages, Database and Full Stack Technologies. o Projects – Learning Management System Tech Stack – Javascript, HTML5, CSS3 o Implemented new features in e-learning course player, content authoring solutions. o Built Responsive SCORM Compliant E-learning content modules using web technologies. o Developed Graphical Web based 2D/3D & AR/VR Simulations for Gamified Immersive Learning Experience. Programming Trainer & Department Head, Apr. 2015 to Dec. 2020 – at ICAT Design and Media College. o Led academic programs and delivered courses in UI/UX and Product Design, Full Stack Product Engineering, MERN, Agile, Game Design. Designed curriculum, trained & mentored 100+ students annually. Faculty, Oct. 2013 to Apr. 2014 & June 2014 to Mar. 2015–at SBMHSS & Aptech Limited. o Trained people on Programming with C, C++, Web Development and Office 365. Educational Qualification

o B.E Computer Science and Engineering (2009-2013) with 7.48 CGPA