Developer profile
OPEN TO WORK · GAME DEV / QA / TECHNICAL QA / SUPPORTWiktor Eirich
Game Developer · QA Tester · Technical Problem-Solver
Independent game developer with three released Steam games, a larger online title in development, and professional QA experience across four shipped projects.
I combine gameplay programming and systems design with hands-on testing, debugging and technical troubleshooting. I am most comfortable building interconnected systems, tracking down edge cases and turning complex problems into practical fixes.
Independent Game Developer
4Tins Studios · Current- Develop and publish commercial PC games on Steam using GameMaker Studio and GML.
- Design and implement gameplay, progression, inventory, item, UI, economy and save systems.
- Build online multiplayer and backend-connected persistence for PROTOCOL: VOID.
- Debug complex gameplay interactions, reproduce issues and regression-test production builds.
- Manage Steam developer tools, achievements, store configuration, releases and post-launch updates.
QA Tester
Keywords · Katowice / Remote · Aug 2021 – Mar 2023- Tested indie and AAA games across Windows and console environments.
- Performed regression testing, FQA and LQA; reproduced issues and documented clear test results.
- Used Jira and Confluence to report, track and verify issues with development teams.
- Worked fully in English across both independent and team-based testing tasks.
- Contributed QA work to 4 shipped titles.
Emergency Operator — Firefighter
SERIS · Gliwice · Mar 2023 – Present- Handle emergency calls, allocate resources and coordinate operational response.
- Monitor CCTV and work with Schrack, SISFIRE and Sicar systems.
- Prepare operational reports, Excel summaries and supervisor documentation.
PROTOCOL: VOID — GameMaker / GML · Supabase · REST / JSON · Steamworks · online multiplayer · persistent item and character systems.
Aim Clicker — GameMaker / GML · Steam integration · progression, upgrade, prestige, collection and DLC/cosmetic systems.
GunBang — GameMaker / GML · Steam · Windows/Linux · 40+ weapons · 5 classes · 100+ interacting upgrades.
Hungry Adventurer — GameMaker / GML · Steam · 2D platforming and commercial release pipeline.
Internal Security — Cybersecurity specialization
Wyższa Szkoła Kształcenia Zawodowego · Wrocław · 2023 – 2026Bachelor's degree completed.
Renewable Energy Systems and Equipment Technician
Centrum Edukacji · Zabrze · Sep 2016 – Apr 2020LanguageCert English B2 ESOL
CertificateGame Development
GameMaker Studio · GML · gameplay programming · systems design · progression · inventories · items · economy · UI implementation · multiplayer · Steam / Steamworks
QA & Testing
Regression testing · FQA · LQA · issue reproduction · bug documentation · Jira · Confluence · Windows testing · console testing
Technical / Tools
SQL / JQL · Python · JSON · REST APIs · Supabase · Git / GitHub · Windows · Linux · developer consoles · OBS · Vegas Pro · Adobe After Effects · GIMP · Canva
Open to opportunities
Game development, QA, technical QA and support roles.
For recruitment or collaboration, contact me directly or use LinkedIn.