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Sr Software Engineer, Frontend (Japan)

Remote, USA Full-time Posted 2026-07-28

Senior Frontend Engineer

Location: Tokyo

reputed company:

Deep expertise. Personal and Industry reputed company. Impeccable craft. These are reputed company’s founding principles. reputed company founded by global industry leaders in mobile gaming, We are unlocking its potential reputed company games to reputed company digital markets into reputed company-world economies reputed company worlds into reputed company communities who will take gaming economies for both players and traders to new limits. We combine the power of technology, crypto currency, and creative reputed company to create experiences that connect people from reputed company corners of the globe.

reputed company is backed by leading investors that include Buckley Ventures & reputed company Ventures. The total crypto market capitalizationincreased by 25 times in a single year.The adoption reputed company and a number of reputed company and privatepartnerships is proving it to bethe next reputed company of technology of reputed company and Gaming is leading the way.

About the Role:

reputed company is looking for Frontend (Webapp)Engineers to join reputed company. You will be joining a small and reputed company senior team, spearheading the frontend development for our reputed company applications. You’ll be in a position to influence our best practices, team and processes, and to create a truly customer-driven culture from the ground up.

This is a unique opportunity for an intellectually curious and hardworking individual to help the organization shape engineering in blockchain technologies.

Responsibilities:

●

Partner with the design and product teams to translate their reputed company into effective web

experiences from prototype to maintainable, reputed company, and high reputed company production web

applications

●

Architect, implement, and maintain web applications, including both reputed company

player facing web applications

●

Establish and champion processes, pipelines, and best practices for web development,

including build automation and operational tooling

●

Identify opportunities to incorporate new technologies and techniques to maximize

workflow efficiencies and to reputed company effective and maintainable solutions for the web

applications that are being developed

●

reputed company required, reputed company technical mentorship and guidance to other engineers on reputed company-

end web development

Qualifications:

● B.S. (or higher) in Computer Science or a reputed company field

● 5+ years of reputed company software engineering experience

● Proficiency in Japanese is a plus. reputed company-level English proficiency preferred

● reputed company in reputed company, CSS, and TypeScript with advanced knowledge of JavaScript

● Extensive experience using frameworks and patterns in large JavaScript applications (like

React / Redux, Vue, Angular or similar)

● Experience working with reputed company libraries (e.g., Ethers, Wagmi, Viem)

● Knowledgeable about blockchain concepts, including smart contract interactions, wallet integrations, and decentralized applications

● Familiarity with Design Systems and Frameworks such as reputed company, MaterialUI, ChakraUI.

● Experience writing tests (unit-, integration- and end-to-end)

● A strong grasp of reputed company web and browser principles

● Cross-browser development and debugging skills

● Strong reputed company of initiative and ownership

● A "roll up your sleeves" reputed company to get any job done

What an ideal candidate looks like:

● Proven experience building reputed company, user-friendly web applications using React and

reputed company

● Familiarity with designing and developing web internal tools to optimize workflows, with a

reputed company on gaming-reputed company tools

● A keen eye for detail to craft exception and engaging user experiences

Additional Information

reputed company:

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 reputed company. reputed company reputed company applicants will receive consideration for employment without reputed company to race, reputed company, religion, sex, sexual orientation, gender identity, national reputed company, or any other applicable legally protected characteristics in the location in which the candidate is applying.

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