Chethina

Hire me

Open to full stack developer roles and practical product collaborations. I build full stack web apps, learning tools, automation workflows, and practical software for teams.

Reach me at mail@chethina.me.

View CV (opens in a new tab)

Education

Foundation Certificate in Higher Education

Informatics Institute of Technology (IIT), Sri LankaJanuary to September 2026

G.C.E. Ordinary Level, 9 A passes

Ananda College, Colombo2019 to 2026

Experience

Founder

CatalystDigital2026 March to presentSri Lanka

Leading a small startup company with a team of five people from different domains.

  • Started in March 2026 with a focus on building small, practical products.
  • We are still at an early stage and plan to register the business in September 2026.
  • So far, we have created early projects such as Catalyst Care.

Full Stack Developer

LeelSir Maths LMS2026Remote

Built teacher and student workflows for a maths learning platform.

  • Created class, question bank, and secure attempt workflows with React, TypeScript, Express, Prisma, and Clerk.
  • Added Gemini-powered tutor OCR and question generation for tests.
  • Deployed the application with Docker and Coolify.

Computer Hardware Technician

PCGuide.lk2026Sri Lanka

Gained hands-on hardware experience and observed the asset-tracking gaps that led to Nimbly.

  • PC, Workstation Computer services.
  • Laptop repair and thermal service..

Skills

Web development

  • Node.js
  • React
  • TypeScript
  • JavaScript
  • Tailwind CSS

Mobile application development

  • React Native
  • Progressive web apps

AI and automation

  • Google Cloud API
  • OpenAI API
  • MiniMax API
  • MCP
  • Prompt engineering

Backend and databases

  • Express.js
  • MySQL
  • MongoDB

Content management platforms

  • Cloudflare R2
  • Cloudflare Cache
  • DigitalOcean

DevOps and cloud

  • AWS
  • Docker
  • Coolify
  • Vercel
  • Contabo
  • GitHub Actions CI/CD

Other

  • Python
  • Git
  • Figma
  • Cross-team collaboration
  • Research
  • Discord application development

Achievements and certifications

  • Best Use of MiniMax API, Cursor Sri Lanka 24H Buildathon (2026). PhishSim placed 4th overall among 111 teams.
  • NexNova InterSchool ICT Competition programming Silver Award (2023).
  • Top 10, Codejam by CSE 2025 at Future Minds, University of Moratuwa.
  • JavaScript (Intermediate), HackerRank (2025).
Show 5 more achievements
  • Qualified Computer Hardware Technician, PCGuide.lk (2026).
  • MERN Stack Program, Core Tech Institute (2026).
  • Top 15, Bits '22, the first task-based intra-school ICT competition by ACICTS (2022).
  • Web Design Master, Shipa Sayura Foundation (2022).
  • Video Editing, PSD Academy (2023).

Activities and interests

  • Batch Representative, Foundation Certificate in Higher Education at IIT (January 2026).
  • Secretary, Green Club at Ananda College (2026).
  • Chess Open Boys Champion (2021), National Division A finalist (2019), and All-Island participant (2022).
  • Draughts champion at S. Thomas' College Bandarawela indoor games in 2017, 2018, and 2019.
Show 4 more activities
  • Table tennis quarter-finalist at the Ananda College Annual Tournament (2022).
  • Cricket member of the STCB Cricket Academy at S. Thomas' College (2018).
  • Honors in Written English from the Colombo Academy of Language Skills and Dramatic Art (2015 to 2017).
  • Certificate of Merit from HelpAge Sri Lanka (2017).

References

References available upon request.