Sr Software Engineer, Frontend/Web UI Engineer (Japan)

Senior Frontend Engineer (Web) – Tokyo | Blockchain Gaming

About Limit Break

Limit Break is redefining gaming economies by integrating blockchain technology, cryptocurrency, and creative vision to create immersive, player-driven digital worlds. Founded by mobile gaming industry leaders, we are backed by top investors such as Buckley Ventures & Paradigm Ventures.

As the crypto market grows exponentially, gaming is leading the next wave of technological transformation—and Limit Break is at the forefront.

About the Role

We are seeking a Senior Frontend Engineer to build scalable, high-performance web applications that power the future of blockchain gaming. This is an opportunity to work with a small, elite engineering team in our Tokyo office, shaping best practices and setting new standards in Web3 gaming technologies.

Responsibilities

✅ Develop high-fidelity, scalable web applications for internal and external gaming platforms.

✅ Collaborate with design and product teams to transform vision into seamless user experiences.

✅ Champion best practices for web development, including build automation and operational tooling.

✅ Enhance workflows with innovative technologies to optimize performance and efficiency.

✅ Provide mentorship and technical guidance to other engineers on frontend development.

Qualifications

✔️ 6+ years of professional experience in software engineering.

✔️ Expertise in HTML, CSS, TypeScript, and advanced JavaScript.

✔️ Proficiency in modern frontend frameworks like React / Redux, Vue, Angular.

✔️ Familiarity with Tailwind, MaterialUI, ChakraUI for design systems.

✔️ Experience writing unit, integration, and end-to-end tests.

✔️ Strong understanding of web performance, cross-browser compatibility, and debugging.

✔️ Backend integration experience with Java, Golang, C#, C++, and relational databases.

✔️ Self-motivated, proactive, and willing to take ownership of projects.

✔️ Native-level English proficiency required; Japanese is a plus.

Bonus Points

🚀 Experience in Web3 and blockchain development.

🎮 Passion for gaming and familiarity with gaming-related development tools.

🛠 Background in designing internal tools for workflow optimization.

Why Join Limit Break?

🌍 Be part of a global, industry-leading blockchain gaming company.

💰 Competitive salary & performance-based incentives.

🏢 Work in a brand-new Tokyo office with a senior, elite engineering team.

🌐 Opportunity to shape the next wave of Web3 gaming technology.