Top Front End Developer Jobs in Japan

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 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.

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

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

Manage planning assumptions and boundary conditions, perform CoT/STR analysis, evaluate capital expenditure and space impacts, and optimize fab output and long-range plans. The role uses AI-enabled tools, advanced analytics, automation, and modeling to improve capacity and capital planning, forecasting accuracy, operational efficiency, and data-driven decision-making for Micron’s F15 facility.

Manage inbound supply and inventory to ensure continuity of materials for manufacturing. Responsibilities include forecasting, MRP, safety stock and reorder point optimization, supplier commitments, delivery scheduling, purchase order adjustments, shortage resolution, root cause analysis, and continuous improvement. The role partners cross-functionally and globally to improve supply fulfillment, automate procurement processes, monitor performance metrics, and strengthen resilience.

Develop and continuously improve frontend software for a MaaS product and Mobility Service Controller. Responsibilities include building reusable React and TypeScript components, integrating interfaces, defining UI specifications, testing for defects and edge cases, reviewing code and documentation, and improving usability, accessibility, performance, and error handling. The role collaborates with product, design, backend, business, mobility partners, and Toyota-related services to translate operational needs into scalable user experiences.

Build high-performance, responsive frontend applications for Binance Earn across desktop and mobile. Collaborate with design, backend, and product teams to translate requirements into reusable, maintainable solutions. Develop frontend libraries and frameworks, optimize performance and scalability, and apply React, JavaScript, TypeScript, state management, and modern build tools. Web3, on-chain trading, ethers.js, web3.js, and real-time data platform experience are advantageous.

Develop and operate web products including PayPay Securities mini-applications, PC trading sites, and internal business tools. Collaborate with product managers and designers to improve investment experiences, prototype new features, and implement redesigns. Improve unit testing, architecture, frontend performance, and CI/CD processes while contributing to a new engineering organization.

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.

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.

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.

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.

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.

The Senior Frontend Engineer will build and architect components of a workflow automation platform. They will handle UI problems, mentor engineers, and improve developer experiences while collaborating with design teams.