Senior Java Engineer - Large Scale Consumer Platform

Build high-scale systems used by millions of customersLead architecture and delivery across critical platforms 企業情報 Our client is a leading technology company operating large-scale digital products serving millions of users across multiple markets. The organization is known for building highly scalable platforms and investing in modern engineering practices. 職務内容 Design, develop, test, and release backend services and RESTful APIsBuild and operate BFF (Backend for Frontend) applications supporting customer-facing experiencesDesign scalable solutions aligned with business requirementsTroubleshoot production issues and support critical online systemsImprove system performance, availability, and maintainabilityCollaborate with Product Managers, QA Engineers, and cross-functional teamsLead technical discussions, code reviews, and engineering best practicesContribute to CI/CD pipelines, observability, and operational excellenceDrive improvements across the development lifecycle, including AI-assisted engineering practices 理想の人材 Required Skills & Experience 5+ years of Java EE development experienceStrong experience designing and developing RESTful APIsExperience operating and supporting large-scale production systemsDeep understanding of software development lifecycle and engineering best practicesStrong knowledge of code reviews, source control, testing, deployment, and operational processesAbility to independently design and deliver reliable, maintainable, and high-performance solutionsProven ability to lead projects and collaborate effectively across technical and non-technical teamsExperience with container technologies such as DockerBusiness-level English communication skills Preferred Skills Experience with Spring FrameworkExperience with RDBMS, KVS, or NoSQL technologiesExperience building CI/CD pipelinesMonitoring and observability experience using tools such as GrafanaExperience leveraging AI tools to improve engineering productivity and development workflows 条件・待遇 Opportunity to work on mission-critical systems at significant scaleOwnership across the full software development life cycleExposure to modern cloud-native and distributed architecturesCollaborative environment with experienced engineering professionalsLong-term project stability and career development opportunitiesTokyo-based roleInternational working environment with English as the primary communication language Contact: Kayo Tojo Quote job ref: JN-082026-7080231