Senior Unity UI Engineer (Japan)

Senior Unity UI Engineer

About us:

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.

About the Role:

Unleash your potential at Limit Break as we seek an exceptional Unity UI 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 clean, modular UI code and prefabs in Unity (UGUI).
• Work closely with UX/UI designers and product teams to bring mockups to life with smooth interactions and animations as defined by a clear GDD and spec.
• Connecting UI with gameplay, systems, and backend logic.
• Proactively optimize UI layout, responsiveness, and performance to ensure a seamless player experience.

Qualifications: Who you are and what you’ve done

• 5-8 years of experience in game development, with a strong focus on Unity UI.  
• Deep understanding of Unity’s UI systems: UGUI, Canvas system, layout groups, anchors, and resolution scaling.
• Strong understanding of Unity’s architecture, including best practices for MonoBehaviours, ScriptableObjects, Prefabs, Prefab Variants and Addressables.
• Comfortable working in a live service environment with frequent updates and UI iteration.
• A proactive mindset and pride in taking ownership of features from start to finish.
• 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.
• Has shipped one or more live service games targeting mobile with Unity.
• Can build scalable, data-driven UI (bonus if you’ve done live-ops features like events, shops, daily rewards).
• SPINE / Unity 2D animation experience.
• Experience using Photoshop, and optimizing UI assets.
• Familiar with asynchronous server calls and handling dynamic response data in the UI.

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.