Senior Client Engineer

About DECA Games

We believe that games should be played for decades but many are abandoned even when a loyal community is screaming to keep them alive. DECA specializes in acquiring games from other developers and reinvigorating them to continue to entertain for decades. When other studios see an old game, we see an amazing set of problems to solve and a huge opportunity.

DECA is a remote company with over 230 people in over 26 countries globally. DECA has been profitable since our inception in 2016. DECA is also a part of the Embracer Group, the largest public gaming company in Europe.

About our culture

We’ve managed to maintain a small company feel with the stability and resources of a much larger one. We fully believe in the flexibility of a remote workplace. Employees are trusted to manage their time and get things done independently. We believe that egos and politics need to be checked at the virtual door. That means no jerks are allowed, that no job is too small for anyone, and an openness to help and learn from each other is required. We love the challenge of working within constraints and love when we succeed as a team. Check out more about us and our values on our website (www.decagames.com).

About the role

As a Senior Client Engineer at DECA, you will work on DragonVale, a long-running live mobile game available on iOS and Android. You will join a talented engineering team responsible for developing, improving, and maintaining the existing game client written in C++. In this role, you will contribute to new features, improve existing gameplay systems, support live operations, and help keep the game stable, performant, and enjoyable for its dedicated player community. You will collaborate closely with engineers, designers, artists, QA, and production to deliver high-quality updates while working within an established codebase. If you are passionate about mobile game development, have strong C++ skills, enjoy solving complex technical challenges, and want to help evolve a beloved live game, we would love to have you on our team.

Responsibilities

• Develop, maintain, and improve the DragonVale mobile game client for iOS and Android
• Work within an established C++ codebase to implement new features, improve existing systems, and support live game updates
• Collaborate closely with designers, artists, QA, production, and other engineers to deliver high-quality features and improvements
• Debug and resolve client-side issues related to gameplay, UI, performance, stability, content setup, and platform-specific behaviour
• Support live operations by investigating production issues, preparing fixes, and helping ensure smooth releases
• Work with QA to identify risks, reproduce issues, and define testing needs for new features and game updates
• Contribute to improvements in internal tools, workflows, and content pipelines where they impact the client development process
• Review code, share technical knowledge, and help maintain high engineering standards within the team
• Take ownership of client-side systems and features, from implementation through release and post-release support

Requirements

• 5+ years of professional software engineering experience, including strong experience in game client development with C++.
• Strong proficiency in C++ programming and debugging.
• Experience developing and maintaining games built on proprietary C++ engines.
• Experience working on mobile games for iOS and Android.
• Experience building, debugging, and profiling projects in Xcode.
• Familiarity with Android Studio and Android build/debugging workflows.
• Experience working with legacy codebases and improving existing systems over time.
• Solid understanding of client-side game development, including gameplay systems, UI, performance, stability, and platform-specific issues.
• Strong debugging skills, including investigating crashes, memory issues, performance problems, and platform-specific bugs.
• Good understanding of memory management, data structures, and runtime performance considerations.
• Experience taking ownership of features, systems, or technical areas from implementation through release and post-release support.
• Ability to work effectively within an established architecture while balancing new development with long-term maintainability.
• Experience working collaboratively with engineers, designers, artists, QA, and production teams.
• Good communication skills and a proactive, solution-oriented mindset.

Nice to have

• Experience with Python.
• Familiarity with backend systems or server-side development.
• Experience supporting live free-to-play mobile games.
• Experience with mobile app store release processes for iOS and Android

Benefits

• Remote first company culture
• Flexible work hours to support a personal work-life balance
• Working in a multicultural environment with people from over 20 different countries
• Flat hierarchies and a great and dedicated group of people
• 20 days of paid time off
• Online language classes: English, German, French, Spanish etc.