Senior Client Engineer - Stumble Guys

Senior Client Engineer - Stumble Guys

Scopely is looking for a Senior Client Engineer to join our Stumble Guys team in Barcelona or Dundee on a hybrid basis working 3 days a week from the hub.

At Scopely, we care deeply about what we do and want to inspire play, every day - whether in our work environments alongside our talented colleagues, or through our deep connections with our communities of players. We are a global team of game lovers who are developing, publishing and innovating the mobile games industry, connecting millions of people around the world daily.

Stumble Guys is one of our greatest hits, with millions of fans joining the party every single day and with the ambition of becoming nothing less than a beloved franchise and to be played for many years to come.

What You Will Do

• Design, implement, and polish engaging gameplay systems, mechanics, and features that enhance the player experience across levels, abilities, and in-game interactions.
• Collaborate closely with designers, artists, and other engineers to bring new creative ideas to life, ensuring smooth integration of gameplay systems into the overall game vision.
• Build and maintain scalable, maintainable, and performant code to support a wide range of gameplay scenarios, including real-time multiplayer environments.
• Contribute to the creation of innovative gameplay experiences that surprise and delight players, pushing the boundaries of what's possible within the game's levels and surrounding systems.
• Continuously iterate on gameplay through prototyping, testing, and player feedback, with a strong emphasis on quality, fun, and player engagement.
• Work with production and leadership to define priorities and ensure gameplay features are delivered on time, while proactively surfacing risks and dependencies.

What We're Looking For

• Proven professional experience as a gameplay programmer within a multi-disciplinary game development team, with a strong focus on delivering fun and polished player experiences.
• Strong proficiency with Unity and C#, with deep understanding of gameplay development workflows, debugging, and optimization.
• Solid grasp of game systems design and implementation, including physics, animation integration, abilities, and player control.
• Ability to collaborate effectively with non-technical stakeholders (design, art, production), translating creative vision into robust technical solutions.
• Proactive problem solver who anticipates gameplay challenges and advocates for player experience and quality throughout development.
• Broad technical awareness across systems (networking, performance, tools) that impact gameplay in both single-player and multiplayer contexts.

Bonus Points

• Hands-on experience with Photon Quantum or Entity Component Systems (ECS) in production environments.
• Experience developing real-time multiplayer gameplay systems.
• Background in designing or implementing level scripting tools or pipelines.
• Familiarity with free-to-play mechanics and live game development.
• Experience iterating on gameplay content based on analytics and player feedback.
• A strong personal passion for games, with a portfolio of prototypes or shipped features that demonstrate creativity and technical skill.