Lead Frontend Game Developer
We’re looking for an experienced Frontend Game Developer to take a leading role in shaping the client-side of our games at Relax Gaming. You’ll join our Game Studio in Belgrade or Novi Sad, working at the intersection of performance, creativity, and technical ownership. In this role, you will drive the development of high-quality, scalable front-end solutions from early concept through to release. You’ll play a key part in defining how our games look, feel, and perform, while collaborating closely with cross-functional teams to deliver engaging player experiences. With a strong focus on quality, innovation, and continuous improvement, you’ll help push both our games and our ways of working forward.
- Lead the development of the game’s front-end from first playable to release quality
- Own the implementation of a high-quality, performant and stable codebase
- Deeply understand game logic, player flows, and edge cases, proactively identifying risks and improvements
- Collaborate closely with artists, animators, designers and backend developers to define assets, animations and technical solutions
- Integrate and evaluate game server responses, requesting server or framework changes when needed
- Translate features into clear technical implementation plans and prioritise work effectively
- Conduct code reviews, establish best practices, and share knowledge across the team
- Mentor developers and support improvements in delivery speed, code quality and technical confidence
- Identify recurring challenges and develop reusable solutions and shared components
- Take ownership of projects end-to-end, contributing to and improving shared frameworks and the production pipeline
- Escalate risks or blockers when needed and help ensure smooth cross-team collaboration
- Proven experience leading front-end or client-side game development from concept to delivery
- Strong sense of technical ownership and the ability to independently drive projects forward
- Deep understanding of game logic, architecture, and client-server interactions
- Experience mentoring developers and maintaining high standards in code quality and reviews
- Strong prioritisation and delivery focus in agile development environments
- At least 6 years of experience as a developer
- Advanced experience with JavaScript / TypeScript for client-side or front-end game development
- Strong understanding of game architecture, performance optimisation and scalable code
- Experience working with server APIs and game server responses
- Experience with code reviews, mentoring, and technical leadership
- Comfortable working in cross-disciplinary agile teams
- Experience developing slot or casino games (Extra plus)
- Experience with PixiJS (Extra plus)
- Experience building first playable prototypes or vertical slices (Extra plus)
- Experience working with shared frameworks or multi-project codebases (Extra plus)
- Live game / live-ops experience (Extra plus)
- Experience optimising mobile or web game performance (Extra plus)
- World-class Colleagues
- Value Driven Company
- Opportunities to Grow
- A 'Relaxed' Environment
Relax Gaming is a business-to-business iGaming supplier and content aggregator, founded in 2010 and headquartered in Malta. It develops its own slots, poker and bingo products and distributes thousands of third-party casino games through its Silver Bullet and Powered By partner programmes. Owned by the Kindred Group (now part of FDJ United), the company runs game studios in Belgrade, Novi Sad, Malmö and Stockholm, with additional offices across Europe and Gibraltar. Relax Gaming supplies regulated online casino operators worldwide.
