# Unity SDK Developer

## Details

- **Company:** [Amanotes](https://hitmarker.net/companies/amanotes.md)
- **Location:** Ho Chi Minh City, Vietnam
- **Contract type:** Full Time
- **Level:** Senior \(5+ years\)
- **Tags:** Software Engineering, Unity, Game Development, Technical Design
- **Posted:** 2026-03-20
- **Apply:** [View and apply on Hitmarker](https://hitmarker.net/jobs/amanotes-unity-sdk-developer-4724999)

## Description

**OBJECTIVES**We are seeking an experienced Unity Game Developer to build reusable SDK modules and shared runtime systems that can be adopted across multiple products. This role is a strong fit for someone with solid game development experience, strong computer science fundamentals, and a high bar for clean code, software architecture, and long-term maintainability.

You should be comfortable designing systems that are not only correct and high performance, but also easy for other teams to integrate, extend, and maintain over time.

**WHAT YOU WILL DO**- Design and implement reusable Unity/C# modules, libraries, and runtime systems.
- Build clean APIs and modular architectures that support multiple use cases and teams.
- Write maintainable, high-performance code and contribute to code quality through refactoring, review, and engineering standards.
- Collaborate with stakeholders and development teams to deliver practical, scalable technical solutions.
- Contribute to architecture decisions that improve extensibility, stability, and developer experience.

**QUALIFICATIONS**- 5+ years of hands-on experience building games or software, with solid production experience in Unity/C#.
- Proven ability to design modular architectures and shared runtime systems, with practical application of SOLID principles and clear separation of concerns.
- Strong engineering discipline in naming, refactoring, debugging, and maintaining legacy code without breaking stability or slowing teams down.
- Strong performance mindset for real-time systems, with hands-on experience profiling and optimizing CPU, memory, GC allocations, frame time, AOT/JIT constraints, and gameplay bottlenecks in Unity/mobile environments.
- Experience designing clean APIs and developer-friendly integration flows, with strong attention to developer experience, defensive programming, extensibility, and long-term maintainability.

**NICE TO HAVE**- Experience with H5/web game development using Phaser, Cocos, or [Three.js](http://three.js).
- Experience building SDKs, shared libraries, or internal platforms used by multiple teams.
- Experience with testing, automation, and CI-friendly development practices.
- Clear communication and strong collaboration across teams.

**BENEFITS***At Amanotes, you will be enjoying the dynamic working environment with unique music culture many benefits as below:*- Competitive salary upon experience
- 13th month salary
- Annual Performance Bonus/ESOP (Employee Stock Options Plan) for people managers.
- Flexible working time.
- Personal learning and well-being budget
- Team-building budget
- Lunch and parking allowance
- Various learning activities, including internal training & sharing, international conferences, and e-learning (Udemy, Linkedin Learning...).
- Engaging music events: Music Night, Amasing Night, Music schools…
- Employee Assistance Program to support mental health & well-being.
- Minimum 12 days of paid annual leave, plus 10 days of paid sick leave.
- 12 days working from home per year.

**Consent Notice for Personal Data Processing**

\- By applying to any position at Amanotes, you acknowledge and agree that your personal data will be collected and processed for recruitment-related purposes. Please read the **“**[**Consent Notice for Personal Data Processing**](https://drive.google.com/file/d/1ONY3AJs9Kvv7F1D6Yo-QDgwYJHVLOVnT/view)**”** carefully before submitting your application.

\- Thank you for your interest in joining Amanotes.

**About Amanotes**

We are Amanotes – a dynamic music game company that’s using cutting-edge technology to transform how people experience music.

Since 2014, we’ve led the global simple music game market with over 3.5 billion downloads across 190+ countries, including chart-topping titles like Magic Tiles 3, Tiles Hop, Dancing Road, and Duet Cats.

As the #1 Music Game Publisher worldwide and the #1 App Publisher from Southeast Asia by downloads, our ambition is clear: to create iconic, hybrid-casual music games that people love and play for years.

What truly sets Amanotes apart is not just what we build — it’s how we grow and who we grow with:

🎓 We invest in your growth through learning budgets, coaching, and stretch opportunities.

🎶 We embrace a creative and dynamic culture, where everyone can play, share, and thrive.

🧘 We believe in work-life harmony — your rhythm matters here.

🏆 We recognize and reward impact, with competitive benefits and clear development paths.

Come join our music-filled workplace, where innovation meets rhythm — and let’s create a magical music experience together.

Amanotes – Where Everyone Can Music.

**How To Apply?**

Click the button or contact us at talents@amanotes.com.