Established in 2018, Sun Studio is a game developer on web platforms and mobile devices with more than 1 billion plays, a strategic partner of the world's leading web-games platforms such as: Facebook Instant Games, Game Distribution, Glance Gaming etc.

The team consists of over 80+ members who are passionate about creating high-quality games that are accessible and enjoyable for everyone.

We're hiring a Senior Unity Game Developer to join our game products development. In this role, you will be a key individual contributor, responsible for creating a strong technical foundation that will help our game development teams build better games, faster. You'll also take part in building and maintaining a core framework that other teams will use to create games more quickly and efficiently. Your work will directly impact the efficiency and success of our entire studio by providing high-quality, reusable tools and systems.

• Develop and maintain a Core Framework: Contribute in designing, implementing and maintaining a framework that serves as the foundation for our game projects, enabling teams to accelerate game production.


• Gameplay Development: Develop core gameplay and logic, ensure the technical solutions follow the Unity best-practices and full-fill product requirements and our quality standard.


• Performance Optimization: Focus on optimizing memory usage, RAM, and bundle size, ensuring high-performance standards across projects.


• Integrate Third-Party Services: Integrate third-party libraries, SDKs, and APIs (e.g., Firebase, Ads, Analytics, Game Services…) in the most optimized way to reduce resource usage and ensure seamless performance.


• Ensure Stability and Reliability: Implement practices and systems to maintain low ANR (Application Not Responding) and Crash Rates, ensuring a stable and reliable gaming experience for users.


• Create Reusable Components: Develop scalable, reusable components, frameworks, and tools that support the overall development pipeline and enable fast prototyping and production.


• Cross-Functional Collaboration: Partner with various teams to identify needs, implement solutions, and integrate new tools and systems that enhance productivity and quality.


• Documentation and Best Practices: Document core systems, establish coding and architecture standards, and guide teams in adhering to best practices for efficient development.

• Experience: 4+ years of hands-on experience with Unity, including significant experience in core systems, framework development, and third-party integration.


• Technical Skills: Strong proficiency in C# and Unity, with a deep understanding of Unity’s architecture, asset management, memory management, garbage collection, and platform-specific constraints.


• Optimization Expertise: Proven experience in profiling and optimizing Unity projects, including RAM, CPU, and GPU usage, to ensure high performance across multiple platforms.


• Cross-Functional Collaboration: Demonstrated ability to work effectively with developers, artists, animators, and designers, fostering a collaborative and productive environment.


• Process Optimization: Proven experience in establishing and optimizing processes that enhance collaboration, speed, and efficiency within multi-disciplinary teams.


• Tooling and Pipeline Development: Experience with Unity’s custom editor tools, ScriptableObject, Addressable Assets, and asset management, along with a deep understanding of Unity’s pipeline.


• Code Quality and Standards: Strong skills in writing maintainable, scalable, and modular code, with knowledge of SOLID principles, design patterns, and best practices in Unity.


• Analytical and Problem-Solving Skills: Strong ability to troubleshoot and resolve complex technical issues, with a focus on stability (low ANR/crash rates) and performance.


• Portfolio: A portfolio of completed Unity projects showcasing your work in core systems, performance optimization, or tool and framework development.


• Native Vietnamese

Preferred Skills

• Knowledge of multi-threading and asynchronous programming in Unity


• Experience with shader programming and graphics optimization, including Unity's rendering pipeline and custom shader development


• Advanced understanding of Unity’s UI Systems or custom UI frameworks


• Experience with backend integration or live-ops services


• Prior experience with mobile platform optimization, especially for iOS and Android

Work hour

• Our office hour is 9:00 - 18:30, Monday to Friday.

Insurance and bonus regime

• Fully participate in social insurance/health insurance/unemployment insurance according to labor law regulations.


• Comprehensive healthcare benefits with private PVI health insurance.


• Fixed 13th salary bonus.


• Competitive salary and performance-based bonuses, recognizing your contributions and impact.


• Monthly lunch allowance.

Work & Life Balance

• Generous Paid Time Off and Sick leave.


• Weekly / monthly / yearly with various events, including Competitions, Sports challenges, Parties, Happy hours, Team building, Hackathons and offline events.


• An environment of caring personally and professionally with respect.

Comfortable workplace

• We have everything you need to work comfortably. Our office has an entertainment area and offers complimentary snacks and drinks.


• You'll be equipped with a latest Macbook and Devices to support you to do the best work.

Professional development and education

• Continuous learning opportunities through internal workshops and training.


• Collection of paper books available at the office for paper book lovers!

Social responsibility project

• We continue to implement charity projects and support employees' ideas in sponsorship competitions.