Senior Unity UI Engineer

**About the company:** Limit Break Chiyoda-ku, Tokyo Limit Break is a pioneer in mobile and Web3 gaming, combining blockchain technology, creative design, and community to reshape digital markets. Backed by investors like Buckley Ventures and Paradigm Ventures, it builds unforgettable experiences and invites talented people to help shape the future of gaming. Read more **Responsibilities:** 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 Connect UI with gameplay, systems, and backend logic Proactively optimize UI layout, responsiveness, and performance to ensure a seamless player experience Requirements 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 haves While not specifically required, tell us if you have any of the following. 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 FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION **Requirements:** 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:** While not specifically required, tell us if you have any of the following. 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 FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION