Hello, I'm Ashen Thilakarathna a Full-Stack Developer an Immersive Experience Engineer a Medium Writer
I'm a Full-Stack Developer and Immersive Experience Engineer Based in Colombo, Sri Lanka.
I am a full-stack developer specializing in immersive technologies, including AR, 3D web, and real-time systems. I have production experience with Unity, Three.js, NestJS, and React, building scalable, end-to-end applications. I take ownership of my work, contribute effectively within teams, and also build independent products to continuously improve my technical depth.
My Skills
Professional Expertise
React.js
NestJS
Node.js
Unity
Three.js
TypeScript
My Portfolio
Showcasing My Web and Immersive Projects.
My Resume
Education & Experience
Nov 2025 - Present
Associate Immersive Experience Developer
[ Zenith Xperience (Pvt) Ltd - Colombo, Sri Lanka ]Built AR garment visualisation platform using Unity 6 and AR Foundation. Implemented real-time multi-user room system using Colyseus. Contributing to aviation runway inspection tool and healthcare platform. Built annotation tools and accompanying client portal.
Jul 2025 - Nov 2025
Immersive Experience Developer Apprentice
[ Zenith Xperience (Pvt) Ltd - Colombo, Sri Lanka ]Joined during the final delivery phase of an AR cooking instruction application built for XReal 1 smart glasses, resolved dashboard issues, and contributed to feature completions. Supported company social media content production.
May 2021 – May 2025
B.Sc. in Computer Science & Physics
[ University of Peradeniya - Sri Lanka ]Completed a degree in Computer Science and Physics. Relevant coursework includes Web Programming, Computer Architecture, Data Structures, Artificial Intelligence, and Server-Side Web Programming.
Jan 2017 – Aug 2019
GCE Advanced Level - Physical Science Stream
[ D. S. Senanayake College - Colombo 07 ]Z-Score: 1.3224 · Physics (B), Chemistry (B), Combined Mathematics (C), General English (B).
Certifications
Professional Certifications
[ Various Platforms ]JavaScript Essentials 1 & 2 (Cisco), Google Arcade Facilitator Program (2024), AWS Innovate, AI Agents Fundamentals (Hugging Face).
2023 - 2024
Group Project: Studio Order & Event Management System
[ University of Peradeniya ]Developed a full-stack web application using Next.js (frontend), Spring Boot (backend), and MySQL (database). Implemented features like event scheduling, order tracking, and user authentication. Collaborated with a team to ensure seamless integration and delivery of the project.
2020 (6 Months)
Quality Checker (QC)
[ E A M Maliban Textiles (Pvt) Ltd - Ingiriya ]Worked as a Quality Checker in the textiles industry, ensuring products met quality standards and specifications. Developed strong attention to detail, problem-solving skills, and the ability to work efficiently in a team-oriented environment.
Personal · Live (Waitlist)
prompht.io
[ Personal Project ]Building a platform that connects AI prompt creators with users. Creators submit prompts, which are vetted and uploaded for others to discover and use. For each generation, creators get paid via Stripe Connect. Currently in the waitlist stage.
2021 - 2022
Web Development Team Member
[ Rotaract Club of University of Peradeniya ]Worked as part of the web development team, managing and maintaining the club's WordPress blog (blog.rotaractpera.org). Gained hands-on experience with WordPress, including theme customization, plugin management, and content updates.