---
title: 'Lead Unity Game Development (Casual Games) at SUN.STUDIO'
canonical: 'https://feeny.ai/job/lead-unity-game-development-casual-games-sun-studio-ho-chi-minh-city-y1y11q63e9wk'
type: 'job'
last_seen: '2026-09-15'
---

# Lead Unity Game Development (Casual Games) at SUN.STUDIO

- **Company:** SUN.STUDIO
- **Location:** Ho Chi Minh City, Vietnam
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2025-09-16
- **Last confirmed live:** 2026-09-15
- **Apply:** https://jobs.lever.co/sunstudio/b861db62-0314-41e4-8104-eff930bb1946

## Job description

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, EZ Games, Crazy Games, Yandex etc.

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

We are seeking a Lead Unity Game Development to lead a game development team. In this role, you will shape development processes, enabling seamless collaboration with developers, artists, animators, and designers to maximize productivity and accelerate game creation. Your work will directly impact our ability to deliver high-quality games by providing efficient, reusable components, tools, and systems that streamline the overall development pipeline.

## Key Responsibilities

- Develop and maintain 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.
- Optimize Development Processes: Establish and refine processes to support effective collaboration across developers, artists, animators, and designers, ensuring smooth workflows and faster development cycles.
- Performance Optimization: Focus on optimizing memory usage, RAM, and bundle size, ensuring high-performance standards across variety of devices and platforms.
- Integrate Third-Party Services: Integrate third-party libraries, SDKs, and APIs (e.g., Firebase, Ads, Analytics, Game Services…) in the cleanest way to reduce resource usage, enhance extendability 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.

Required Qualifications

- Experience: 6+ years of hands-on experience with Unity, including significant experience in core architecture, framework development, and third-party integration, including 3+ years in Team Leader role.
- 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 and practice 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

## Compensation & Benefits

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.

## About SUN.STUDIO

## Company Overview
- **One-liner**: Sun.Studio is a mobile and web game developer based in Ho Chi Minh City, Vietnam, focused on creating accessible casual and puzzle games with over 1 billion total plays.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Ho Chi Minh City, Vietnam
- **Founded**: 2018
- **Founders**: Not publicly available

## Core Business
- **Primary industry/industries**: Mobile Gaming Apps, Web Game Development, Casual & Puzzle Games
- **Target customers**: B2C (end-users/players globally), B2B (media owners, tech platforms as partners for distribution)
- **Mission or purpose statement**: “Our mission is to create games that are accessible and enjoyable for everyone by focusing on creating small, fun games with simple gameplay.” [sun.studio](https://www.sun.studio/en/about-us)

## Products & Services
- **Casual & Puzzle Games (Web & Mobile)**: A portfolio of 40+ games developed for web platforms and mobile devices. Titles are described as small, fun games with simple gameplay mechanics, achieving over 1 billion total plays. Examples include 2D casual and puzzle games distributed via web browsers and app stores.

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Over 1 billion total plays across all games; over 10 million monthly active users. [sun.studio](https://www.sun.studio/en)
- **Notable Investors/Partners**: No formal investors listed. Key partners include "the biggest and the best media owners and tech platforms" who integrate the studio's games for user engagement.
- **Growth Signals**: Headcount has grown significantly, from approximately 20-50 employees historically to 21 employees as of early 2026 (+76.0% year-over-year growth). The company has an active internship program (Sun.Riser 2026) and posted 7 job openings as of the latest data, indicating continued expansion. [linkedin.com](https://vn.linkedin.com/company/sunstudiojsc)

## Competitive Advantages
- **Speed-to-market & Quality**: The studio publicly lists "Speed" and "Quality" as core values, suggesting a focus on rapid iteration without sacrificing production standards. [sun.studio](https://www.sun.studio/en/careers)
- **Platform Versatility**: Development expertise across both web (HTML5) and mobile (native, Unity) platforms allows broad distribution and user acquisition.
- **Data-Driven Publishing**: A tech stack that includes Appsflyer, IronSource, AppLovin, ADMOB, Firebase, Google Ads, and strong analytics tools (Tableau, Power BI, Google Data Studio) suggests sophisticated user acquisition and monetization capabilities.
- **Global Reach with Local Roots**: Based in a strong game development hub (Ho Chi Minh City) with a distributed team including talent from Vietnam, France, Russia, and Belarus, enabling a mix of competitive cost structure and international perspective.

## Strategic Focus
- **Talent Development & Internship Programs**: The "Sun.Riser 2026" internship program indicates a strategic commitment to cultivating local engineering, art, and design talent in Vietnam.
- **Technical Depth**: Active hiring for Lead Unity Game Developers, QA Managers, and senior roles in 2D art, animation, and VFX suggests a push toward higher quality, more complex game productions.
- **User Acquisition Scaling**: Dedicated "Mid-Senior Game UA" and marketing roles show an ongoing focus on data-driven growth and monetization.

## Why Work Here
- **Culture**: Values-driven culture emphasizing "Speed" and "Quality." Employee narratives from the LinkedIn page highlight international team trips (e.g., "Power-Up Singapore 2025") and a collaborative studio environment. [linkedin.com](https://vn.linkedin.com/company/sunstudiojsc)
- **Work Policy**: On-site only roles based in Ho Chi Minh City, Vietnam. No remote or hybrid options were found in current job postings.
- **Notable Perks/Engineering Culture**: The team is described as 80+ members (previously reported as 50+, latest data shows 21 paid employees with intern expansion). Engineering culture appears strong with a tech stack including Unity 3D, C#, Node.js, Docker, Kubernetes, and Python. The company claims "bền vững, có lợi nhuận ổn định, lương thưởng xứng đáng" (sustainable growth, stable profits, commensurate compensation). [linkedin.com](https://vn.linkedin.com/company/sunstudiojsc)

## Sources
1. [sun.studio](https://www.sun.studio/en)
2. [sun.studio (About Us)](https://www.sun.studio/en/about-us)
3. [sun.studio (Careers)](https://www.sun.studio/en/careers)
4. [jobs.lever.co/sunstudio](https://jobs.lever.co/sunstudio)
5. [linkedin.com](https://vn.linkedin.com/company/sunstudiojsc)

## Other roles at SUN.STUDIO

- [Senior Motion Graphic (Game Industry)](https://feeny.ai/job/senior-motion-graphic-game-industry-sun-studio-ho-chi-minh-city-sn2z4eqt16g3) — Ho Chi Minh City, Vietnam
- [Senior 2D Animator/VFX (Casual/Puzzle)](https://feeny.ai/job/senior-2d-animator-vfx-casual-puzzle-sun-studio-ho-chi-minh-city-6new7c9wf7wg) — Ho Chi Minh City, Vietnam
- [QA Manager (Game Industry)](https://feeny.ai/job/qa-manager-game-industry-sun-studio-ho-chi-minh-city-1v9cjgdv6tdp) — Ho Chi Minh City, Vietnam
- [Lead 2D Artist (Casual/Puzzle)](https://feeny.ai/job/lead-2d-artist-casual-puzzle-sun-studio-ho-chi-minh-city-m1jp0h18ydck) — Ho Chi Minh City, Vietnam
- [Mid-Senior Game UA (User Acquisition)](https://feeny.ai/job/mid-senior-game-ua-user-acquisition-sun-studio-ho-chi-minh-city-85ckssrgpbk3) — Ho Chi Minh City, Vietnam
- [Mid-Senior Game Designer (Casual/Puzzle)](https://feeny.ai/job/mid-senior-game-designer-casual-puzzle-sun-studio-ho-chi-minh-city-jwa35kkbgm1q) — Ho Chi Minh City, Vietnam