Top Front End Developer Jobs in Osaka

Build and maintain mobile-first, responsive front-end applications using React and TypeScript. Integrate with REST and WebSocket backends, implement state management, create data visualizations, optimize performance for real-time datasets, translate Figma designs into components, write front-end tests, and collaborate remotely with a global team.

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.

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.

The role involves designing and implementing game mechanics, developing player interactions, adjusting game balance, creating prototypes, and collaborating across departments.

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

Join the Futures QA Automation team to design and execute test plans across web, desktop, and mobile. Develop and run automated, performance, security, and mobile-specific tests; set up testing environments (Node.js, Java, Go, Python, local blockchain); diagnose root causes; collaborate with engineers, PMs, designers, and operations to improve quality and processes.

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.

Early-career frontend engineer in a fixed-term accelerator. Build and maintain frontend products using TypeScript/React and Node.js, collaborate with product and cross-functional teams, troubleshoot issues, and continuously learn front-end best practices and AI-assisted development techniques. Program targets current students and recent graduates, 3+ month availability preferred.

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.

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.

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

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.