Senior Frontend/Web UI Engineer
Job Summary
Job Description
Limit Break seeks Senior Frontend (Webapp) Engineers to spearhead web3 application development. The role involves partnering with design and product teams to build engaging web experiences, architecting and maintaining applications (internal and external), establishing best practices for web development, incorporating new technologies, and mentoring other engineers. Responsibilities include translating design visions into production-ready applications, ensuring scalability and maintainability, and optimizing workflows. The ideal candidate will have proven experience with React and Tailwind, building responsive web applications, and developing internal tools. A deep understanding of Web3 libraries, blockchain concepts, and testing methodologies is crucial.
Must have:
- 5+ years of software engineering experience
- Proficiency in HTML, CSS, TypeScript, and JavaScript
- Experience with React/Redux, Vue, or Angular
- Web3 library experience (Ethers, Wagmi, etc.)
- Blockchain knowledge (smart contracts, wallets)
- Experience writing unit, integration, and end-to-end tests
Good to have:
- Proficiency in Japanese
- Familiarity with Tailwind, MaterialUI, or ChakraUI
- Experience building gaming-related tools
9 skills required
Job Details
Senior Frontend Engineer, Web
Location: Tokyo
About us:
Deep expertise. Personal and Industry evolution. Impeccable craft. These are Limit Break’s founding principles. Limit Break 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, crypto currency, 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 total crypto market capitalization increased by 25 times in a single year. The adoption rate and a number of public and private partnerships is proving it to be the next wave of technology of future and Gaming is leading the way.
About the Role:
Limit Break is looking for Frontend (Webapp)Engineers to join our team. You will be joining a small and very senior team, spearheading the frontend development for our Web3 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 vision into effective web
experiences from prototype to maintainable, scalable, and high fidelity production web
applications
● Architect, implement, and maintain web applications, including both internal and external
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 provide effective and maintainable solutions for the web
applications that are being developed
● When required, provide technical mentorship and guidance to other engineers on front-
end web development
Qualifications:
● B.S. (or higher) in Computer Science or a related field
● 5+ years of professional software engineering experience
● Proficiency in Japanese is a plus. Native-level English proficiency preferred
● Experienced in HTML, 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 Web3 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 Tailwind, MaterialUI, ChakraUI.
● Experience writing tests (unit-, integration- and end-to-end)
● A strong grasp of fundamental web and browser principles
● Cross-browser development and debugging skills
● Strong sense of initiative and ownership
● A "roll up your sleeves" mindset to get any job done
What an ideal candidate looks like:
● Proven experience building responsive, user-friendly web applications using React and
Tailwind
● Familiarity with designing and developing web internal tools to optimize workflows, with a
focus on gaming-related tools
● A keen eye for detail to craft exception and engaging user experiences
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.
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.
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