Senior Unity Gameplay Engineer

Game Companies; Barcelona; On-site; EUR 70,000 - 90,000; Full time

Job summary

Scopely is seeking a Senior Client Engineer to join the Stumble Guys Team. You will ship production-grade mobile games used by millions, drive game mechanics with Unity and C#, and develop large-scale features while ensuring performance metrics stay healthy.

Ideal candidates have deep C#/C++ knowledge, strong Unity experience, and a solid grasp of software engineering fundamentals, mobile networking, and testing. English resume required. Scopely values diversity and an inclusive work environment.

Qualifications

• Strong knowledge of C# and/or C++, or other relevant game-programming language.
• Experience with Unity or similar engines (e.g., Unreal).
• Knowledge of Photon Quantum is a plus.
• Solid understanding of software engineering fundamentals and API design.
• Experience with mobile networking best practices and REST/TCP/UDP.
• Experience with asynchronous and multi-threaded programming.
• Client-side testing (unit/functional/integration).
• Strong game programming fundamentals and architectural understanding.
• Mobile experience on iOS/Android and debugging device issues.
• Familiarity with Git and build automation tools.

Responsibilities

• Ship production-grade mobile games used by millions of gamers.
• Drive implementation of game mechanics and systems using Unity and C#.
• Develop large features and improvements to existing ones.
• Ensure technical performance (crash rates, FPS, startup times, CPU usage) is healthy.
• Collaborate with design, product, marketing and other teams.
• Propose solutions to complex game development problems.

Skills

C#

C++

Unity

Game engines

API design

Multithreading

Unit testing

Mobile networking

Git/Jenkins

Problem solving

Job description

Scopely is seeking a Senior Client Engineer to join the Stumble Guys Team. You will ship production-grade mobile games used by millions, drive game mechanics with Unity and C#, and develop large-scale features while ensuring performance metrics stay healthy.

Ideal candidates have deep C#/C++ knowledge, strong Unity experience, and a solid grasp of software engineering fundamentals, mobile networking, and testing. English resume required. Scopely values diversity and an inclusive work environment.