Mid - Senior Front-End Game Developer (I Gaming)
Permanent / Full Time
England
Europe
Approx 50,000 - 70,000
Programming and Development
1645034
03-02-2026 11:19 AM
Mid to Senior level Front-End Developer
Location: London, UK | Preference - onsite/Hybrid
Open to remote UK & EU
We’re looking for Mid to Senior Front End Developers to help build state-of-the-art HTML5 slot games and evolve a multi-platform, mobile-first game framework. You’ll join a highly experienced studio team and work closely with designers, artists, mathematicians, backend engineers, and QA to bring new games to life from concept through launch.
What you’ll do:
Location: London, UK | Preference - onsite/Hybrid
Open to remote UK & EU
We’re looking for Mid to Senior Front End Developers to help build state-of-the-art HTML5 slot games and evolve a multi-platform, mobile-first game framework. You’ll join a highly experienced studio team and work closely with designers, artists, mathematicians, backend engineers, and QA to bring new games to life from concept through launch.
What you’ll do:
- Design, build, and maintain a mobile-first slot game framework
- Develop high-performance, responsive browser-based games
- Integrate backend services via REST APIs and WebSockets
- Support prototyping and feature iteration with game design teams
- Ensure best practices across development, testing, and documentation
- Validate implementation of math models, server responses, assets, and audio
- 3+ years building HTML5 browser-based slot games (or similar)
- Strong JavaScript / TypeScript, plus modern web fundamentals
- Proven experience with PIXI.js and Node.js
- Confident with API integration (especially REST)
- Strong attention to detail, performance mindset, and clean code habits
- Fluent English communication and strong collaboration skills
- Experience using AI-assisted dev tools (Copilot, ChatGPT, Claude, etc.)
- Comfort with rapid prototyping while maintaining code quality
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