Unity Senior Engineer (Japan)
Job Summary
Job Description
Limit Break seeks a Unity Senior Engineer to lead a new mid-core, 3D mobile game project. Responsibilities include designing, implementing, and maintaining robust gameplay systems in Unity (C#), collaborating with designers and artists, creating modular data-driven systems, interfacing with backend teams, contributing to architecture decisions, mentoring junior developers, and resolving performance issues. The role involves shaping workflows, building a team, and taking ownership of features from concept to completion. This is a chance to significantly impact a high-profile project from its inception.
Must have:
- 8+ years game dev experience, 5+ years in Unity
- Strong Unity & C# skills
- Shipped live service mobile games with Unity
- Confidently work in large Unity codebases
- Proactive, ownership of features
- Understanding of Unity architecture
- Autonomous work, clear communication
- Design, implement, maintain gameplay systems
Good to have:
- Bilingual (English/Japanese)
- Backend tech knowledge (GoLang, Redis, SQL, Docker)
- Experience with Free-to-play titles
- Familiarity with CI/CD pipelines
8 skills required
Job Details
Unity Senior Engineer
Location:
Japan
About us:
Deep expertise. Personal and Industry evolution. Impeccable craft. These are Limit Break’s founding principles.
Welcome to Limit Break, where gaming and innovation meet to create a world like no other. As global pioneers in the mobile gaming industry, we go beyond traditional boundaries to redefine digital markets and build vibrant communities that transcend virtual boundaries.
Our vision extends far beyond gaming as we leverage cutting-edge technology, cryptocurrency, and our unparalleled creative vision to craft unforgettable experiences that unite people from every corner of the globe. From players to traders, we're elevating gaming economies to new heights.
At Limit Break, we take pride in our illustrious track record of over a decade of excellence. Our visionary founders have continually pushed the envelope, transforming the mobile gaming industry with their bold innovations and calculated risks. Join our trailblazers' team; together, we'll maintain our position as the unrivaled global leaders in mobile gaming.
Backed by esteemed investors such as Buckley Ventures & Paradigm Ventures, we're not just a company but a dynamic force of change and are eager to welcome brilliant minds to help us shape the future of gaming and beyond. Be a part of Limit Break's extraordinary journey, where your creativity and passion will know no limits.
About the Role:
Unleash your potential at Limit Break as we seek an exceptional Unity Engineer to spearhead an exciting new venture! We are embarking on a groundbreaking journey to develop a cutting-edge, mid-core, 3D mobile game from concept to reality.
At the outset, you'll collaborate closely with a small yet dynamic team to craft and refine the game's prototype, ensuring alignment with executive stakeholders. As the project gains momentum, you'll take charge of scaling the team from pre-production to full production, collaborating with leads and directors across various disciplines.
This role offers an inquisitive and driven individual a rare chance to shape the workflow and assemble a top-notch team for an ambitious gaming project. Join a passionate and experienced organization where bright minds thrive, and your dedication to gaming excellence will be celebrated.
You will have the opportunity to play an active role as a core member from the beginning of the team. Leave your mark on the gaming world and be part of an engaging, forward-looking team!
Responsibilities: What you’ll do
● Design, implement, and maintain robust gameplay systems in Unity (C#)
● Collaborate with designers and artists to bring features to life
● Design and implement modular, data-driven systems in Unity that can respond to live configuration and content changes.
● Interface with our backend team to ensure smooth client-server communication
● Contribute to architecture decisions and help mentor junior developers
● Diagnose and resolve issues related to performance, crashes, and build size using Unity’s profiling and debugging tools
● Take full ownership of features—seeing them through from concept to polish—and make them the best they can be
Qualifications: Who you are and what you’ve done
● 8+ years of professional experience in game development, 5+ years working in Unity.
● Strong Unity and C# skills, with a deep understanding of the engine lifecycle.
● Has shipped one or more live service games targeting mobile with Unity.
● Confidently work within a large, established Unity codebase, refactoring and extending existing systems with minimal disruption.
● A proactive mindset and pride in taking ownership of features from start to finish.
● Strong understanding of Unity’s architecture, including best practices for MonoBehaviours, ScriptableObjects, Prefabs and Addressables.
● Can work autonomously, but communicate clearly, and collaborate with other engineers, designers and artists.
Nice to have. What an ideal candidate looks like
● Bilingual preferred in English and Japanese.
● Knowledge of backend tech including GoLang, Redis, SQL, and Docker.
● Experience with Free-to-play titles.
● Familiarity with CI/CD pipelines.
Apply now:
If you are confident, driven and are looking for an exciting role, this job could be a great opportunity for you. Apply to careers@limitbreak.com to explore this new opportunity. This is an international blockchain gaming company that operates regionally, and is opening offices in multiple locations around the globe. We value diversity at our company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other applicable legally protected characteristics in the location in which the candidate is applying.
Apply now:
If you are confident, driven and are looking for an exciting role, this job could be a great opportunity for you. Apply to careers@limitbreak.com to explore this new opportunity. This is an international blockchain gaming company that operates regionally, and is opening offices in multiple locations around the globe. We value diversity at our company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other applicable legally protected characteristics in the location in which the candidate is applying.
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