This website uses cookies to ensure you get the best experience.

Relax Gaming and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics and marketing purposes.

See our Cookie Policy to read more about the cookies we set.

You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page.

Select which cookies you accept

On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly.

If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site.

To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy.

These cookies are necessary to make the site work properly, and are always set when you visit the site.

Vendors Teamtailor

These cookies collect information to help us understand how the site is being used.

Vendors Teamtailor

These cookies are used to make advertising messages more relevant to you. In some cases, they also deliver additional functions on the site.

Vendors Youtube, Linkedin
Skip to main content
Software Development · Belgrade, Novi Sad · Hybrid

Lead Frontend Game Developer

We usually respond within a week

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.

What you’ll do

  • 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

What we’re looking for

  • 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

Skills required

  • 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

Extra plus for

  • Experience developing slot or casino games

  • Experience with PixiJS

  • Experience building first playable prototypes or vertical slices

  • Experience working with shared frameworks or multi-project codebases

  • Live game / live-ops experience

  • Experience optimising mobile or web game performance


Life at Relax in Serbia
This role is based in our Belgrade office, located next to Silosi, a growing creative district by the Danube known for its industrial charm and artistic edge. Our newly built office blends contemporary design with a warm, flexible workspace, and a dedicated minibus offers direct transport from the main square for added convenience.

You’ll be joining a collaborative, supportive team with a strong sense of community. We work closely together, share ideas openly, and enjoy regular social events that strengthen connections beyond the office.

At Relax, we value curiosity, diversity, and the courage to challenge limits. With 350+ colleagues across 10+ locations, we combine stability with constant evolution, driven by passion and teamwork. This is a place where you can grow, learn, and make a real impact. If you’re motivated by quality, results, and meaningful connections, you’ll feel right at home. No matter where you’re based, you’ll experience the same supportive, respectful, and ambitious spirit that defines Relax Gaming.

About Relax Gaming
Relax Gaming Group was founded in 2010 with the goal of simplifying B2B content delivery for the modern iGaming landscape. With business simplicity and collaboration central to its ethos. Via a quick one-time integration, Relax Gaming now provides access to a roster of 4,000+ casino games to 1,000+ operator brands with a diverse range of proprietary products, including Poker, Bingo, and it's own extensive slot portfolio. High-quality aggregated content from multiple partner studios, is provided through its selected Silver Bullet (commercially represented) and Powered By Relax (commercially independent) partners.

Department
Software Development
Role
Frontend Game Developer
Locations
Belgrade, Novi Sad
Remote status
Hybrid

Life at Relax

Connected through ambition, our authentic company culture unifies teams and bridges global offices. At Relax, we are passionate, driven, and humble. We enjoy a team-oriented environment and understand our value to the overall company. Most importantly, we love what we do!

What We Offer

  • World-class Colleagues

    Join a passionate team and organisation that values quality, innovation, and the people behind the games.

  • Value Driven Company

    A creative environment where your ideas matter and wins are celebrated collectively.

  • Opportunities to Grow

    Enjoy endless opportunities to develop, learn, and to push beyond boundaries.

  • A 'Relaxed' Environment

    A company that’s scaling fast, but still keeps it human, flexible, and fun.

Our open postition

All jobs
Software Development · Belgrade, Novi Sad · Hybrid

Lead Frontend Game Developer

Loading application form

Already working at Relax Gaming?

Let’s recruit together and find your next colleague.

Applicant tracking system by Teamtailor