# Lukas Ružauskas (Lukas Ruzauskas)

> Lukas Ružauskas is an AI product engineer, software developer and systems analyst from Kaunas, Lithuania. Product Owner / Systems Analyst at Dassault Systèmes since 2018 for CATIA Magic / MagicDraw (MBSE, SysML), owning persistence and collaboration features (Teamwork Cloud, 3DEXPERIENCE). Builds AI-powered tools and full-stack web apps with agentic coding.

- Location: Kaunas, Lithuania (EU citizen). Languages: English, Lithuanian.
- Skills: agentic coding (Claude Code), AI agents, TypeScript, React, Next.js, SvelteKit, Node, Nest.js, PostgreSQL, Supabase, WebSockets, Stripe, Docker, Linux; MBSE, SysML v1/v2, UML, requirements engineering, fault tree analysis.
- Contact: lukas@ruzauskas.lt

## Links

- [Portfolio](https://ruzauskas.lt/): career, projects, biography, contact
- [Resume (PDF)](https://ruzauskas.lt/Lukas_Ruzauskas.pdf)
- [GitHub](https://github.com/Neutronas)
- [LinkedIn](https://linkedin.com/in/lukas-ruzauskas/)

## Experience

- Dassault Systèmes - Product Owner / Systems Analyst (2018–now): Current role: requirements, architecture, feature planning, documentation and customer support for CATIA Magic / MagicDraw.
- iSystem - Software Developer (2022–2023): Product tools management system (TypeScript, React, Nest.js, NX).
- PPM - React Developer (2020–2021): React web applications.
- Kaunas University of Technology - Academic Assistant (2017–2020): Lectured workshops; taught relational databases and PHP.
- ES4B - Web Developer (2016–2018): Full-stack work on CRMs, e-shops, integrations and custom websites while finishing my bachelor's.
- Digimedia - Web & Server Administrator (2013–2015): First tech job - volunteered at a Lithuanian gaming portal administering game servers and building web tooling during my first year of university.

## Education

- Kaunas University of Technology - MSc in Information Systems Engineering (2017–2019): Graduated with honours.
- Kaunas University of Technology - BSc in Informatics (2013–2017): Bachelor's degree in Information Technology at Kaunas University of Technology.
- Sourcery Academy (Devbridge) (2016–2016): React.js + Redux, ASP.NET Core 1.0, Entity Framework 7.
- Atžalynas Secondary School (2009–2013): Graduated with a GPA of 9.8/10.

## Projects

- Burnmark (2026): Two-player online co-op escape thriller. One plays the Detective at a fake-OS desktop, the other plays the Victim locked in a room - voice only between them, no chat. Information asymmetry by design: each side holds half of every puzzle. Web first, Steam port planned. [Live](https://burnmarkgame.com)
- Board Game Printer (2026): Printable snakes & ladders for toddlers in 24 themes. Server-rendered A4 PDFs with the board, cut-out pawns and a die net. Pay what you want via Stripe, Minecraft theme free. [Live](https://boardgames.ruzauskas.lt)
- Tronfight (2026): Browser real-time strategy game in the spirit of Northgard. Online lobbies for 2–4 players with practice bots, random island maps, fog of war, A* pathfinding and building construction on a server-authoritative simulation. [Live](https://strategy.ruzauskas.lt), [GitHub](https://github.com/Trontology/strategy-game)
- ScanKaunas (2025): City exploration game for Kaunas - scan QR codes for facts, audio and secrets. Achievements, leaderboard, admin panel, LT/EN.
- Guess a Drawing (2022): 24-hour hackathon multiplayer draw-and-guess game. [GitHub](https://github.com/demings/kreidele)
- Lithuanian Wordle (2022): A Lithuanian word-guessing game inspired by Wordle. [Live](https://zodis.ruzauskas.eu)
- Restaurant Demo (2021): Template restaurant website with a Strapi CMS backend, containerised with Docker. [GitHub](https://github.com/Neutronas/restaurant-demo-frontend)
- Discord Bot for Dota 2 (2021): Tracks Dota 2 matches and posts score notifications to Discord via the Steam API. [GitHub](https://github.com/Neutronas/Discord-bot-for-dota)
- Gatsby Portfolio (2020): Earlier iteration of the portfolio built with Gatsby, Contentful CMS (GraphQL).
- Restaurants in Warsaw (2020): Mobile app for finding restaurants via the Yelp API. Published to Google Play.
- TF2 Elo System (2019): Elo ranking system for TF2 6v6 competitive teams. Ingested scrim and official match logs to compute ratings and rank teams by who they beat.
- Už saugią Lietuvą (2015): Interactive survey system for the nationwide "Už saugią Lietuvą" campaign. Received a gratitude letter from President Dalia Grybauskaitė.
- Streamai.lt (2012): Lithuanian Twitch streamer community (2012–2016). Filtered and promoted Lithuanian streamers to grow the local scene and make them more visible on Twitch.
- Kiberzona admin (2010): One of the administrators of Lithuania's biggest gaming community at the time, running and maintaining its servers and websites ecosystem: Minecraft, Counter-Strike:Source, Team Fortress 2, GTA San Andreas and others.
- CSKampas gaming servers (2009): Hosting and administering Counter-Strike servers and websites during school years. First taste of running production systems.