Senior Unity Engineer

Locations: Tokyo

Deep expertise. Personal and Industry evolution. Impeccable craft. These are Limit Break’s founding principles.

Limit Break is founded by global industry leaders in mobile gaming. We are unlocking its potential beyond games to transform digital markets into real-world economies and digital worlds into vibrant communities who will take gaming economies for both players and traders to new limits. We combine the power of technology, and creative vision to create experiences that connect people from all corners of the globe.

Limit Break is backed by leading investors that include Buckley Ventures & Paradigm Ventures. The adoption rate and a number of public and private partnerships is proving it to be the next wave of technology of the future and Gaming is leading the way.

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!

●      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

●      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.

●     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.  

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.