Top Front End Developer Jobs in Japan

Drive improvements in labor productivity and operational efficiency through program management, data-driven insights, and automation solutions in semiconductor operations.

Lead wet-process hardware and process improvements across global sites: develop CIP and startup acceptance roadmaps, drive defect reduction, tool performance, IoT-based excursion prevention, and energy/water/waste savings with suppliers and cross-functional teams.

Lead strategic initiatives for yield improvement in DRAM/NAND/HBM technologies, optimizing methods and collaborating with cross-functional teams to enhance processes and tools.

Lead global product integration initiatives to enhance yield and quality, collaborating with teams across the world. Manage technical challenges and coordinate cross-functional efforts to ensure successful product introduction.

The Senior Manager leads Frontend Operations, ensuring effective team performance, equipment performance improvement, and process standardization while demonstrating leadership and fostering team growth.

Lead the architecture, development, and delivery of frontend applications for convenience-store robotics operations. Build React and TypeScript features, integrate REST and gRPC services, establish scalable frontend practices, and support WebView-based platforms. Mentor two frontend engineers through hands-on coding, reviews, and pair programming. Partner with business, design, backend, robotics, and operations teams while improving observability, reliability, CI/CD, and incident response.

Build and maintain React and TypeScript frontend features for a multi-chain DEX analytics and trading platform. Collaborate with product and backend engineers, debug and test applications, optimize UI performance, and stay current with DeFi, DEX, and on-chain trading technologies. The role also involves applying AI tools to improve development efficiency, with Web3, real-time data, and on-chain trading experience advantageous.

Develop and maintain web applications for Binance’s internal teams, including AI-driven and business-critical products. Collaborate with global cross-functional teams, integrate APIs and AI models, write comprehensive unit tests, manage feature releases, troubleshoot defects, and optimize performance. The role requires production JavaScript experience, React and Vue expertise, strong UI development skills, and familiarity with remote data and AI technologies.

Lead on-site AMHS technical operations at Fab15 while driving global AMHS standardization, KPI ownership, data-driven root-cause analysis, supplier engagement, and deployment of advanced wafer-logistics automation across Micron's fab network.

Lead materials cost strategy for front-end semiconductor manufacturing, driving value engineering, alternate sourcing, consumption optimization, and cross-functional programs to deliver measurable cost-per-gigabit improvements across sites. Provide technical leadership, program governance, analytics support, and supplier engagement to convert ideas into implemented savings while communicating progress and risks to leadership.

Lead global dry-etch process and hardware improvement programs to boost productivity, yield, quality, and cost efficiency. Develop CIP roadmaps, partner with suppliers for tool qualification and start-up criteria, deploy IoT/FDC telemetry, and drive safety, sustainability, and chamber-health solutions across dry etch modules and fleets.

As a Senior Process Integration Engineer, you will lead end-to-end front-end process integration, solving complex integration issues, supporting yield ramps, and mentoring junior engineers.

Design, build, deploy, operate, and monitor web services and backends serving millions of users. Use TypeScript, Next.js/React, Knative/Kubernetes, and AI coding tools while creating automated harnesses for correctness, performance, security, and maintainability. Propose user experiences and internal productivity tools, lead architectural decisions, and collaborate with product managers, designers, and engineering teams from concept through release and on-call operations.

This posting is a template and contains no concrete responsibilities. Likely this role is a leadership position bridging frontend engineering and business: defining frontend strategy, aligning product and engineering teams, managing stakeholders, and driving product growth at OKX. Specific duties, technologies, and qualifications are not provided in the description.

Lead and own frontend engineering across core crypto products (Trading, Web3, Payments). Drive technical design, delivery, cross-team alignment, AI-infused product decisions, security standards (private key protection, frontend attack prevention), hiring, and operational excellence for high-concurrency, high-availability consumer products.

Develop web applications using React, design UI components, and create an efficient development framework. Collaborate with the team in product development.

Design and maintain Binance's login, registration, and account-security experiences across web and mobile. Build an in-house AI facial-recognition KYC product, integrate authentication flows (passkeys/FIDO2, MFA), develop Node.js server-side and BFF layers, publish shared SDKs, optimize performance and observability, and drive product improvements using data.

Own end-to-end frontend and backend feature development, integrate AI coding tools into daily workflows, mentor peers, champion full-stack practices, identify cross-team efficiency improvements, and contribute across the product lifecycle from ideation to deployment and iteration.

Lead technical design, development, and performance optimization for the Stablecoin frontend. Improve responsiveness, compatibility, security, and user experience while coordinating with product managers and ensuring frontend stability.

Fixed-term accelerator for current students/recent grads to build and maintain frontend products using TypeScript, React and NodeJS. Collaborate with Binance Wallet, cross-functional teams, and adopt AI tools while learning modern frontend best practices. Availability 4-5 days/week for at least three months.

As a Frontend Engineer, you'll develop responsive web applications, collaborate with cross-functional teams, and mentor junior developers while optimizing applications for performance.

As a Senior Frontend Engineer, you will contribute to the frontend architecture, develop dApps, implement state management, and collaborate cross-functionally.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Design and build responsive React frontends, implement wallet and blockchain interactions, translate complex DeFi/financial data into institutional dashboards, collaborate with smart contract and legal teams, ensure performance, security, and accessibility, and maintain clean, documented code through code reviews.

Develop and maintain Java backend services for blockchain applications; integrate APIs with React/Vue frontends; design and optimize scalable enterprise blockchain solutions; troubleshoot backend issues; collaborate with cross-functional teams and stay current with blockchain best practices.