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I’m an XR Engineer and Unity-based VR/AR/MR developer with 4+ years of experience building immersive training and learning experiences across sports, education, cultural heritage, and corporate settings. I focus on cross-platform delivery to Meta Quest devices (2/3), creating solid user experiences in XR, and building modular gameplay and interaction systems that are reliable in real-world demo environments. I also enjoy combining networking and AI to make XR feel alive—using Photon for multiplayer experiences and Convai to power conversational NPCs inside Unity-driven platforms. Alongside engineering, I lead research and prototype evaluations, and I’ve contributed to award-winning projects such as a motion-platform VR simulator and an algorithm for visualizing 3D damage in cultural heritage preservation.…I’m an XR Engineer and Unity-based VR/AR/MR developer with 4+ years of experience building immersive training and learning experiences across sports, education, cultural heritage, and corporate settings. I focus on cross-platform delivery to Meta Quest devices (2/3), creating solid user experiences in XR, and building modular gameplay and interaction systems that are reliable in real-world demo environments. I also enjoy combining networking and AI to make XR feel alive—using Photon for multiplayer experiences and Convai to power conversational NPCs inside Unity-driven platforms. Alongside engineering, I lead research and prototype evaluations, and I’ve contributed to award-winning projects such as a motion-platform VR simulator and an algorithm for visualizing 3D damage in cultural heritage preservation.

Sagar Prema Rajan

Game Developer, Game Designer, Programmer, +3

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I’m an XR Engineer and Unity-based VR/AR/MR developer with 4+ years of experience building immersive training and learning experiences across sports, education, cultural heritage, and corporate settings. I focus on cross-platform delivery to Meta Quest devices (2/3), creating solid user experiences in XR, and building modular gameplay and interaction systems that are reliable in real-world demo environments. I also enjoy combining networking and AI to make XR feel alive—using Photon for multiplayer experiences and Convai to power conversational NPCs inside Unity-driven platforms. Alongside engineering, I lead research and prototype evaluations, and I’ve contributed to award-winning projects such as a motion-platform VR simulator and an algorithm for visualizing 3D damage in cultural heritage preservation.…I’m an XR Engineer and Unity-based VR/AR/MR developer with 4+ years of experience building immersive training and learning experiences across sports, education, cultural heritage, and corporate settings. I focus on cross-platform delivery to Meta Quest devices (2/3), creating solid user experiences in XR, and building modular gameplay and interaction systems that are reliable in real-world demo environments. I also enjoy combining networking and AI to make XR feel alive—using Photon for multiplayer experiences and Convai to power conversational NPCs inside Unity-driven platforms. Alongside engineering, I lead research and prototype evaluations, and I’ve contributed to award-winning projects such as a motion-platform VR simulator and an algorithm for visualizing 3D damage in cultural heritage preservation.

Available to hire

I’m an XR Engineer and Unity-based VR/AR/MR developer with 4+ years of experience building immersive training and learning experiences across sports, education, cultural heritage, and corporate settings. I focus on cross-platform delivery to Meta Quest devices (2/3), creating solid user experiences in XR, and building modular gameplay and interaction systems that are reliable in real-world demo environments.

I also enjoy combining networking and AI to make XR feel alive—using Photon for multiplayer experiences and Convai to power conversational NPCs inside Unity-driven platforms. Alongside engineering, I lead research and prototype evaluations, and I’ve contributed to award-winning projects such as a motion-platform VR simulator and an algorithm for visualizing 3D damage in cultural heritage preservation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Advanced

Malay

Advanced

Work Experience

XR Engineer (Contract) at Centre of Excellence for Extended Reality Technology & AI (COEXRT-AI), APU Malaysia

March 1, 2026 - Present

Work on user experience design (UED) and active learning within XR systems. Focus areas include improving how XR users learn and interact effectively while evaluating XR prototypes and development approaches.

XR Engineer at ChronoCraft Studios (SciLab-VR)

January 1, 2025 - Present

Co-developed SciLab-VR, a bilingual (EN/BM) Unity 6 VR science-lab application for Meta Quest 2/3 aimed at Malaysian Form 4 students. Implemented core systems including bilingual UI flow, audio management, XR poke-collider physical button interactions, chapter unlock/progression logic, and debugging fixes for TMP rendering/layout. Added kinematic grab and session reset logic across multiple experiment modules.

VR Game Developer / Asset Creator at Muzium Negara x APU

November 1, 2024 - February 1, 2025

Built a Unity/Meta Quest VR artifact inspection and conservation workflow experience. Implemented a custom 3D damage-analysis algorithm to analyze and visualize material damage (corrosion, wear, structural decay) from scanned 3D models, and designed interactive overlay toggles for educational content suitable for public exhibition deployment.

VR Application Developer (Framework) at APU x National Sports Institute (ISN)

December 1, 2023 - Present

Engineered a VR cycling training simulator with motion-platform integration and sensory/stimulus effectors. Conducted motion testing and calibration with the National Sports Institute (ISN). Supported performance-focused iteration for training effectiveness, culminating in an award for the VR cycling training framework.

XR Application Developer (VR Cycling Training Application Framework) at APU x National Sports Institute (ISN)

December 1, 2023 - Present

Engineered an award-winning VR cycling simulator with motion-platform integration and sensory/stimulus effectors. Conducted motion testing and calibration with the National Sports Institute (ISN) and supported delivery of performance improvements for training use cases.

Graduate XR Research Associate at Asia Pacific University of Technology and Innovation (APU)

October 1, 2023 - October 1, 2025

Architected and built a Hybrid Metaverse Framework: a Unity/Meta Quest VR campus tour integrating Convai conversational NPCs, Photon NGO multiplayer networking, and task-based gamification. Managed the XR studio hardware/software stack, trained student developers on the toolchain, led technical evaluation of XR prototypes, and co-authored research on system performance and user engagement.

Game Developer at Tune Protect Group

August 1, 2023 - March 1, 2024

Built a Unity-based PC onboarding application combining explainer video integration, a 360-degree virtual office tour, and interactive training modules. Developed modular C# mini-games with state-based progression logic that simulate real-world insurance workflows.

VR Developer at Emerging Journey Asia Sdn Bhd (EJAsia)

June 1, 2022 - September 1, 2022

Developed a Unity 360-degree video relaxation application for Meta Quest 1/2 and PC, working with wellness experts to integrate audio-visual systems for relaxation and wellbeing.

Education

MSc in Computing (By Research) at Asia Pacific University of Technology and Innovation (APU)

October 1, 2023 - June 1, 2026

BSc in Computer Games Development (First Class Honours) at Asia Pacific University of Technology and Innovation (APU) & Staffordshire University Kuala Lumpur

April 1, 2019 - August 1, 2022

MSc in Computing (By Research) at Asia Pacific University of Technology and Innovation (APU)

October 1, 2023 - June 30, 2026

BSc in Computer Games Development (First Class Honours) at Asia Pacific University of Technology and Innovation (APU) & Staffordshire University Kuala Lumpur

April 1, 2019 - August 31, 2022