(Remote 100%) Mobile Game Developer
- Hiring from
- Vietnam
- Work type
- Remote
- Posted
- Sep 24, 2026
About Happy Lemon Games
At Happy Lemon Games, we're a global, fully remote studio dedicated to crafting immersive, original games played by millions around the world.
Our culture is built on creativity, ownership, and craftsmanship, every team member plays a key role in shaping experiences that stand out for their gameplay depth and visual polish.
About the Role
We're looking for a Mobile Game Developer who's passionate about turning creative concepts into engaging, high-performance mobile games.
You'll work in Unity (C#) alongside artists, designers and producers to bring gameplay features, UI and effects to life, and to ship smooth builds on iOS and Android.
What You'll Do
- Develop and maintain mobile games using Unity (C#)
- Implement gameplay systems, user interfaces, animations and visual effects
- Build, test and release iOS and Android builds
- Optimize performance, memory and loading times for mobile devices
- Collaborate with cross-functional teams in a remote, multi-time-zone environment
- Identify and resolve bugs, implement feedback and refine features
- Stay up to date with Unity best practices and new tools
What We're Looking For
- 2+ years of hands-on Unity development experience, with shipped mobile titles
- Proficiency in C# and a solid understanding of the Unity engine
- Experience in gameplay programming, UI systems and mobile optimization
- Familiarity with Git and collaborative version control workflows
- Strong problem-solving skills and attention to detail
- Proactive, self-driven, and excited about creating exceptional games
- Working English, written and spoken
Nice to Have
- Experience with Shader Graph, URP or Addressables
- Knowledge of ad networks and analytics SDKs (AppLovin, Unity Ads, Firebase, Adjust)
- Experience with multiplayer integrations (Firebase, PlayFab, Photon)
- Experience in tool or editor scripting
Why Join Us
🌍 Work Remotely – Flexible schedule and autonomy
🎮 Create & Innovate – Contribute to projects with creative freedom
📈 Grow Your Skills – Learn new technologies and advance your career
🤝 Collaborative Culture – Join an inclusive, passionate international team
Equal Opportunity Statement
We welcome applicants from all backgrounds regardless of gender, age, disability, sexual orientation, religion, or ethnicity.
If you're excited about building great mobile games and collaborating with a creative global team, we'd love to hear from you.