Work with a cutting-edge technology stack (Java 21, Spring Boot, React, Docker, Kubernetes, cloud storage)
Leadership and collaboration opportunities with top engineers and product managers
Senior Java Backend Developer – Digital Asset Management Platform
Location:
Tokyo
About The Project
Join a high-impact initiative to rebuild and expand a legacy Digital Asset Management (DAM) platform for a leading e-commerce marketplace.
The new system will feature a robust core API, cloud-based object storage, a React-powered Web UI, and external APIs for seamless integration.
Key ResponsibilitiesLead backend development using Java 21 and Spring Boot
Collaborate with a small frontend team utilizing a React-based framework
Design and develop REST APIs with strong emphasis on testing (JUnit) and code reviews
Architect scalable, maintainable systems for high-traffic environments
Integrate relational (MySQL/distributed) and NoSQL databases, caching, and messaging systems (Redis, Kafka, RabbitMQ, Memcached)
Implement container architectures (Docker, Kubernetes)
Work closely with engineers and product managers to drive technology selection and detailed design
Break down work into actionable tasks and manage execution
Required Skills
5+ years backend development experience (Java/Spring Boot)
5+ years REST API design and development, JUnit testing, code reviews
Experience with relational and distributed databases
Hands-on experience with container architectures (Docker, Kubernetes)
Experience with application design for traffic scalability
Experience implementing caching and integrating NoSQL/messaging systems
Experience in frontend development using React (small team, 1–2 engineers)
Tech Lead Additional Requirements
Experience managing large-scale development projects (50+ person-months), including parallel management of multiple projects
5+ years as a Tech Lead, including architecture design for high-traffic web systems and technical decision-making
Experience designing systems for scalability and maintainability
Experience with Google Cloud Storage
Mindset & Behavior
Strong leadership in decision-making and problem-solving
Effective communicator, able to lead meetings and collaborate with stakeholders
Ability to break down work and manage execution
Ready to make an impact?
Apply now to help shape the future of digital asset management for a leading e-commerce platform
Show more Show less
-
Tokyo TEKsystems ￥8,000,000 - ￥15,000,000 per yearJoin a high-impact initiative to rebuild and expand a legacy Digital Asset Management (DAM) platform for a leading e-commerce marketplace. · ...
-
Tokyo CADDi ￥10,000,000 - ￥13,000,000キャディは「モノづくり産業のポテンシャルを解放する」をミッションに、「製造業AIデータプラットフォームCADDi」を展開しています。データプラットフォーム上のデータの価値を最大化し、各アプリケーションや顧客ごとに最適化されたソリューションの提供を加速するため、2025年10月にData Plaform本部を新設し、CADDiの根幹を担うコア基盤の開発を行っています。 · AIデータプラットフォームのコア基盤の設計・開発 · 社内外のステークホルダーからの要求理解を通じた機能要件定義 · 高度なアーキテクチャの設計 · ビジネス要求に応じた可用性や応答性能 ...
-
Tokyo TEKsystems ￥6,000,000 - ￥12,000,000 per yearJoin a high-impact initiative to rebuild and expand a legacy Digital Asset Management (DAM) platform for a leading e-commerce marketplace. · Lead backend development using Java 21 and Spring Boot · ...
-
Tokyo TEKsystems ￥900,000 - ￥1,200,000 per yearThis position is seeking a dynamic candidate who is capable and interested in tackling all kinds of technical issues in at the world largest e-commerce platform. · Work in a team with proper engineering practices through design, code review, and pair programming · Implement new A ...
-
Tokyo TEKsystems ￥8,000,000 - ￥12,000,000 per yearWork on a huge, complex system with high traffic. Gain experience across development, testing, operations, and system design. Join an international environment with a diverse team. · Develop and maintain large-scale systems with high traffic. · Implement secure and efficient code ...
-
Tokyo TEKsystems ￥5,000,000 - ￥10,000,000 per yearOur product is a high-growth e-commerce service in Tokyo. We are a very progressive company providing the product with substantial capital, access to great technology, and access to international markets. · To understand business requirements, and deliver features with high quali ...
-
Tokyo TEKsystems ￥2,000,000 - ￥2,500,000 per yearJob summaryWork at one of the biggest e-commerce companies in Japan with an international team. · QualificationsSenior developer with Project Leading or Technical Leading experience · ...
-
Tokyo Wipro ￥10,000,000 - ￥20,000,000 per yearLead and mentor a team of developers to deliver scalable, high-performance backend solutions. Collaborate with bilingual teams and stakeholders, ensuring smooth communication in Japanese and English. Drive technical design, code reviews, and best practices for backend and API dev ...
-
Java Developer
4週間前
Tokyo Wipro ￥1,800,000 - ￥3,000,000 per yearThe company is seeking a skilled Java Developer with hands-on experience with Java 8 and strong leadership capabilities. · ...
-
Backend Developer
2ヶ月前
Tokyo Persol Career Global Career Support Division ￥4,000,000 - ￥5,000,000 per yearWe are seeking a skilled Backend Developer with at least 3 years of programming experience. The ideal candidate has strong backend development expertise, and frontend experience will be considered a plus. · Minimum 3 years of programming experience (any language/environment) · Pr ...
-
Java Developer
4週間前
Tokyo TEKsystems ￥10,000,000 - ￥15,000,000 per year'International working Environment · ' · This position is seeking a dynamic candidate who is capable and interested in tackling all kinds of technical issues. · ', 'Develop APIs for inbound travelers to Japan.You will lead the growth of next generation engineers with your technic ...
-
Tokyo TEKsystemsThis position is seeking a dynamic candidate who is capable and interested in tackling all kinds of technical issues in a large enterprise environment who is also aggressively growing with sense of ownership and leadership. We are looking for a passionate and innovative engineer ...
-
Backend Developer
2週間前
Tokyo Morgan McKinley ￥4,200,000 - ￥10,800,000 per yearA fast-growing coaching company is expanding its engineering team, and we're looking for a skilled Backend Engineer to help build scalable, high-quality products. · ...
-
Tokyo AppierWe are seeking a highly skilled Senior Backend Developer to join the Payable Ads team with deep expertise in distributed systems and modern backend architecture. · Architect and develop robust, scalable backend services and APIs using ASP.NET Core · Design efficient, normalized d ...
-
Tokyo Appier ￥1,200,000 - ￥3,000,000 per yearWe are seeking skilled and motivated Senior Software Engineer, Backend Development(BotBonnie) to join our dynamic team. As a Senior Backend Development (BotBonnie), you will play a crucial role in designing, developing, and maintaining the server-side applications that power our ...
-
Tokyo Michael Page ￥10,000,000 - ￥20,000,000 per yearGreat opportunity to join an leading IT E-Commerce company in Tokyo, Japan. International working environment, competitive salary. · Develop and maintain Java applications using the Spring framework. · Ensure high performance and responsiveness of applications. · Collaborate with ...
-
Tokyo Appier Full time￥612,000 - ￥2,160,000 per yearWe are seeking skilled and motivated Senior Software Engineer, Backend Development(BotBonnie) to join our dynamic team. · This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan. ...
-
Core Java Developer
4週間前
Tokyo Jobs via eFinancialCareers ￥8,000,000 - ￥15,000,000 per yearWe are seeking a highly skilled Core Java Developer to join our team in Tokyo. As a key member of our engineering team,you will designand build high-performance CoreJava backend services,collaboratewith engineersand product partners to align technical requirements,and contribute ...
-
Tokyo TEKsystems ￥10,000,000 - ￥19,999,999 per yearAs a Senior Java Developer you will design and develop secure high performance applications contribute to system architecture ensure scalability. · ...
-
Shinjuku GAIDOOR株式会社 ￥1,200,000 per yearデジタルトランスフォーメーションを通じて建設業界に変革をもたらし、日本社会、さらには世界に大きなインパクトを与えることを目指す、全く新しいグローバルかつハイレベルなチームに参加してみませんか? · ビジネスレベルの日本語(JLPT N2) · グローバルチームメンバーやエンジニアとコミュニケーションをとるために、日常会話レベルの英語力が必要です。 · Python に精通していること(Pandas、NumPy などのデータサイエンスライブラリの使用経験を含む) · 機械学習フレームワーク(TensorFlow、PyTorch、Scikit-learn な ...
-
Tokyo, Japan AheadGroupAhead Staffing is seeking an experienced Backend Developer to join one of our Global E-Commerce clients. · In this role, you will be responsible for developing and maintaining point-based products. · This role offers an exciting opportunity to be part of a dynamic, cross-function ...
