Devaraj Bathirappan
Chennai
Summary
Senior Unity and Unreal Engine XR Developer with over 11 years of experience in AR, VR, and real-time 3D applications across automotive, industrial, retail, and enterprise sectors. Proven skills in automotive visualization, interactive UI design, and performance optimization. Proficient in CAD data conversion and optimization using Pixyz for real-time rendering in Unity and Unreal Engine. Familiar with NVIDIA Omniverse and Digital Twin concepts, with a strong background in end-to-end development utilizing MERN stack, Azure cloud infrastructure, and CI/CD pipelines.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Architect/ Senior Unity & Unreal XR Developer
Hexaware Technologies Ltd
Chennai
08.2018 - Current
- Led development of XR and real-time 3D applications using Unity and Unreal Engine
- Designed and implemented automotive visualization and interactive UI experiences
- Optimized CAD-derived assets using Pixyz for real-time performance
- Collaborated with UI/UX designers, architects, and QA teams
- Ensured high performance through mesh optimization, LODs, and texture tuning
- Followed Agile/Scrum and contributed across full SDLC
- Mentored team members and ensured code quality standards
Software Developer
MOBILEPROGRAMMING INDIA PVT LTD
BANGALORE
08.2017 - 08.2018
- Developed VR/MR/AR real-time applications as part of Unity development team.
- Supported marketing initiatives by creating assets and content using new Unity SDK tools.
Senior Developer
MAVIN APPS AND TECHNOLOGIES PVT LTD
Chennai
04.2015 - 07.2017
- Accumulated three years of experience in game development with Unity3D and Unreal Engine.
- Developed mobile applications for Android and iOS using Unity Game Engine.
- Published games on Google Play, App Store, and Amazon platforms.
- Collaborated on project requirements to deliver precise estimates.
- Experimented with emerging technologies to boost efficiency and minimize processing time.
- Excelled in collaborative team settings and independent projects.
Lead Unreal XR Developer
- Developed automotive cockpit visualization simulating instrument cluster and infotainment-style UI
- Implemented animated gauges, indicators, menus, and transitions
- Converted and optimized automotive CAD data using Pixyz
- Improved real-time performance through asset and rendering optimization
- Collaborated with designers to translate wireframes into real-time UI
- Documented CAD-to-Unreal workflows for visualization pipelines
Lead XR Developer
- Developed AR-based automotive product visualization utilizing Vuforia for enhanced user engagement.
- Built Mixed Reality car customization application for immersive real-world vehicle visualization.
- Enabled interactive exploration of vehicles through real-world placement and feature hotspots.
- Integrated optimized vehicle models to ensure real-time performance across mobile devices.
- Collaborated with UI/UX teams to deliver an intuitive and seamless user experience.
- Optimized 3D assets specifically for improved mobile AR performance.
- Implemented animations to enhance user interaction with vehicle components.
- Ensured stable performance across various mobile devices for consistent delivery.
Education
B.Tech - Information Technology
Anna University
12.2012
Skills
Unreal Engine and Unity 3D
Automotive visualization
CAD optimization
C#, C, JavaScript, MERN stack
AR Foundation, Vuforia
Azure DevOps, CI/CD
NVIDIA Omniverse, USD
Azure AI Foundry
AI model integration
Automotive Xr Projects
- Automotive Cockpit Visualization & Interactive UI, Unreal Engine, Lead Unreal XR Developer, Developed automotive cockpit visualization simulating instrument cluster and infotainment-style UI, Implemented animated gauges, indicators, menus, and transitions, Converted and optimized automotive CAD data using Pixyz, Improved real-time performance through asset and rendering optimization, Collaborated with designers to translate wireframes into real-time UI, Documented CAD-to-Unreal workflows for visualization pipelines
- Car Customization MR, Unity, Android, iOS, Lead XR Developer, Built Mixed Reality car customization application for real-world visualization, Enabled interactive customization of vehicle components, Integrated optimized vehicle models for real-time performance, Collaborated with UI/UX teams to deliver intuitive user experience, Ensured stable performance across mobile devices
- Interactive AR Brochure - Automotive, Unity, Android, iOS, Senior XR Developer, Developed AR-based automotive product visualization using Vuforia, Enabled real-world placement and interactive exploration of vehicles, Implemented feature hotspots and animations, Optimized 3D assets for mobile AR performance
Selected Xr Projects
- Decor MR Furniture App - Mobile AR visualization for retail
- Flood Simulation Medic Training VR - Immersive disaster training
- Industrial Equipment Training Simulation VR - CAD-based XR training
- Cabin Crew Training VR - Safety and emergency simulations
Certification
- AZ-900 - Microsoft Azure Fundamentals
- DP-900 - Azure Data Fundamentals
- AI-100 - Azure AI Engineer Associate
- PL-900 - Microsoft Power Platform Fundamentals
- AZ-203 - Azure Developer Associate
Timeline
Architect/ Senior Unity & Unreal XR Developer
Hexaware Technologies Ltd
08.2018 - Current
Software Developer
MOBILEPROGRAMMING INDIA PVT LTD
08.2017 - 08.2018
Senior Developer
MAVIN APPS AND TECHNOLOGIES PVT LTD
04.2015 - 07.2017
Lead Unreal XR Developer
Lead XR Developer
B.Tech - Information Technology
Anna University