Senior Client Engineer (Unity)

Location: Dundee, United Kingdom; other location: Barcelona, Spain

Company

hirify.global is a global video game and interactive entertainment company developing, publishing, and live-operating mobile, web, PC, and console games, including Stumble Guys.

What you will do

• Ship production-grade mobile games used by millions of players.
• Implement game mechanics and system processes using Unity and C#.
• Develop complex new features and improve existing systems.
• Monitor and improve crash rates, FPS, startup times, CPU usage, and other technical performance metrics.
• Collaborate with game design, product management, marketing, and other cross-functional departments.
• Propose solutions to complex game-development problems.

Requirements

• Strong knowledge of C# and/or C++, or another relevant game-programming language.
• Extensive experience with game engines, especially Unity or a similar technology such as Unreal Engine.
• Strong understanding of software engineering fundamentals, including design patterns, scalable game-framework architecture, maintainability, and robust API design.
• Solid understanding of mobile networking practices, including request limiting, caching, batching, content aggregation, minification, and integration with REST and TCP/UDP services.
• Experience with asynchronous, multithreaded, and parallel programming to maintain UI responsiveness and perform background operations.
• Experience with client-side unit, functional, or integration testing.
• Strong knowledge of game-programming fundamentals, common patterns, system interaction, and architectural approaches.
• Strong iOS and Android experience, including debugging native device issues, understanding hardware and platform limitations, and working with performance metrics.
• Knowledge of game-development tooling such as Git and Jenkins for build automation, plus the ability to solve complex technical problems in large systems.

Nice to have

• Knowledge of Photon Quantum.

Culture & Benefits

• Work in a global team developing games for millions of players.
• Inclusive and supportive environment committed to equal employment opportunities.
• Employment is based on merit and qualifications.

Hiring process

• Attach a résumé/CV written in English.
• Apply only through hirify.global’s official website; hirify.global will never request payment or financial information during hiring.