Save Job Back to Search Job Description Summary Similar JobsWork on business-critical platforms in global capital marketsHands-on development with Java, React, and modern engineering toolsAbout Our ClientOur client is a leading global financial services organization with a strong presence across major international markets. Operating at scale, the firm invests heavily in technology and engineering excellence to deliver innovative solutions for institutional clients worldwide.Job DescriptionDesign, develop, and maintain modern frontend applications using React and TypeScript.Build scalable backend services and RESTful APIs using Java and Spring Boot.Integrate frontend and backend components to deliver seamless user experiences.Leverage AI-assisted development tools and techniques to enhance productivity, software quality, testing, and problem-solving.Write clean, secure, maintainable, and well-tested code.Participate in code reviews, technical discussions, and Agile development ceremonies.Troubleshoot production and application issues and support ongoing platform maintenance.Collaborate closely with product managers, designers, QA engineers, and fellow developers to deliver high-quality solutions.Contribute to continuous improvement initiatives across development processes and engineering practices.The Successful Applicant3 to 5 years of professional full stack development experience.Strong expertise in Java and Spring Boot.Hands-on experience with React and/or TypeScript.Experience developing RESTful APIs and working with relational databases.Familiarity with Git, unit testing frameworks, and Agile methodologies.Ability to effectively apply AI tools and techniques within the software development lifecycle.Strong analytical, problem-solving, and communication skills.Fluent professional English language skills.Preferred QualificationsExperience with Podman, Kubernetes, and CI/CD pipelines.Exposure to cloud platforms such as AWS.Understanding of microservices architecture and messaging systems.Japanese language capability is advantageous.What's on OfferOpportunity to work within a globally recognized financial services environment.Exposure to large-scale, mission-critical technology platforms.Collaborative international team with strong engineering culture.Full stack ownership across frontend and backend development.Opportunity to work with modern development practices, cloud technologies, and AI-assisted engineering tools.Office-based role in the Tokyo area with close collaboration across business and technology teams.Long-term project exposure in a dynamic, fast-paced environment.ContactSerena WuQuote job refJN-092026-7098637Phone number+81 3 6627 6137Job summaryFunctionITSpecialisationProgramming / DevelopmentSpecialisationFinancial ServicesLocationTokyo 23 WardsJob TypeTemporaryConsultant nameSerena WuConsultant phone+81 3 6627 6137Job ReferenceJN-092026-7098637Company TypeJapanese Corporate