求人を保存 検索に戻る 職務内容 求人情報 類似した求人Own key design decisions for a mission‑critical platformJoin a diverse engineering team driving major system modernization企業情報A major technology‑driven e‑commerce group operating one of Japan's largest online marketplace ecosystems. The engineering division develops and maintains high‑transaction systems and is expanding its global team to strengthen next‑generation platform capabilities.職務内容Design, propose, and implement new features aligned with business requirementsImprove, refactor, and maintain existing functionalitiesParticipate in architectural planning and technical discussionsMentor junior engineers as neededSupport system inquiries, troubleshooting, and post‑release operationsWork within an Agile/Scrum environment and actively contribute to team practices理想の人材Core FundamentalsStrong understanding of IT fundamentals and professional software development practicesSolid analytical skills and commitment to writing clean, efficient codeKnowledge of web security and personal data protectionExperience with high‑transaction, mission‑critical systemsPost‑development system operation and maintenance experienceApplication Development5+ years of hands‑on C# development experience, especially WebAPI and SOLID principlesBackend expertise with MVC.NET, .NET Framework or .NET CoreExperience with .NET 6 or higherWorking knowledge of JavaScript/HTML/CSS and RESTExperience with Vue.js or another modern JavaScript framework (plus)Cloud design, development, and deployment experienceDatabase SkillsExperience with Entity Framework, Dapper, or similar ORM frameworksStrong T-SQL skills with Microsoft SQL ServerSoft SkillsCollaborative, proactive team playerStrong communication skillsAbility to mentor and coach othersAgile mindset and ability to think creativelyNice to HaveExperience with CI/CD tools (TeamCity, Octopus, Jenkins, Kubernetes, Docker, GitHub Actions)Knowledge of messaging systems (Service Bus, RabbitMQ, etc.) and frameworks (Rebus, NServiceBus, MassTransit)Experience with microservices architectureExperience with MariaDB or MySQLExperience with Kafka or other data streaming technologiesExperience in Scrum environments or Scrum Master experienceExperience working in multicultural teams条件・待遇Opportunity to drive design and architecture in a large‑scale e‑commerce platformInternational, diverse engineering environmentGrowth opportunities and exposure to cloud transformation initiativesMeaningful impact on systems used by millions of usersコンタクトSerena Wu求人番号JN-032026-6977338電話+81 3 6627 6137求人情報分野IT職種プログラミング＆開発業界小売勤務地東京23区雇用形態派遣社員担当コンサルタントSerena Wu担当コンサルタントの電話番号+81 3 6627 6137求人番号JN-032026-6977338企業タイプ外資系企業
