Join us as Freelance Fullstack Developer at Goodgame Studios! Are you passionate about shipping polished desktop experiences and thrive on making complex systems work across platforms? Then join our team as a Fullstack Developer - Freelance and take ownership of bringing our live HTML5 game to Steam while modernizing our existing Microsoft Store Electron integration. YOUR MISSION Integrate the Steamworks SDK into our Electron-based game wrapper, delivering a fully functional Steam distribution path Establish a common store abstraction layer that cleanly supports both MS Store and Steam - and future storefronts Modernize the Electron shell to current standards, including context isolation and a clean IPC architecture Document the system end-to-end so that future developers can onboard with confidence Collaborate with our Integration Engineer on backend purchase verification and webhook endpoints Utilize AI tools in your daily work to leverage your own output YOUR BACKSTORY Deep experience with Electron, including the process model, context isolation, preload bridges, and native module integration Strong TypeScript and Node.js skills in an event-driven, plugin-based architecture Familiarity with Steamworks SDK or demonstrated ability to integrate platform-specific SDKs Experience with C++ / native Node modules and the toolchains around them Understanding of F2P / live-service payment flows across storefronts Track record of working autonomously and documenting thoroughly In this role, you'll own the Electron wrapper and store integration layer for a multiplayer free-to-play game with more than 200 million registered players worldwide. You'll work closely with our Integration Engineer and QA team, bringing your initiative and deep technical expertise to a system that directly impacts our players and revenue. If you're excited by the challenge of shipping a live game across multiple storefronts on a modern, maintainable foundation, we want to hear from you! Goodgame Studios is known for successful strategy titles and data-driven game development. We self-publish our games in-house and have all relevant professions under one roof. Plus, we are part of Stillfront Group, one of Europe’s leading game publishers with a strong focus on long-term IP growth.