- High-impact modernization project for a major e-commerce marketplace
- 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. This platform enables merchants to register and manage product images and banners, supporting marketplace growth and innovation. 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 Responsibilities
- Lead 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
-
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 TIER IVTierra Fora desarrolla un sistema llamado Web.Auto para apoyar la implementación y operación de sistemas de conducción automática. · Desarrollar el diseño, desarrollo y pruebas del servicio Backend de WebAuto. · Liderar al equipo técnico para decidir las políticas técnicas. · Dis ...
-
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 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. · ...
-
Tokyo TEKsystems ¥800,000 - ¥1,400,000 per yearOverview Our 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. · ...
-
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 ...
-
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 TEKsystems ¥1,200,000 - ¥1,500,000 per yearWe are one of the leading e-commerce companies in the world. · We provide more than 70 services, · including e-commerce, · to more than 1.2 billion peopleA senior developer who has Project Leading or Technical Leading experience. · ...
-
Tokyo Wipro ¥8,000,000 - ¥12,000,000 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 ...
-
Tokyo, Japan DIAInc ¥400,000 - ¥1,200,000 per yearBreaking existing monolithic applications into more modern microservices Design and develop Microservices systems with Java, Spring or Defining best in class standards to aid in guiding microservices based architectural decisions Communicate with the tech lead to understand the t ...
-
Java Developer
4日前
Tokyo, Japan AheadGroupWe are seeking a Java Developer for one of our Global E-Commerce clients. · The role involves development and operations for a consumer-facing service, including implementation, testing, release management, source code reviews, · and test case reviews. Additionally, the position ...
-
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 ...
-
Tokyo, Tokyo Michael PageWork on one of the largest high-traffic e-commerce platforms in Japan. · ...
-
Tokyo Appier ¥80,000 - ¥150,000 per yearAbout Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. · We are seeking skilled and motivated Senior Software Engineer, Backend Development to join our dynamic team. ...
-
Core Java Developer
1ヶ月前
Tokyo Jobs via eFinancialCareers ¥2,640,000 - ¥4,000,000 per yearJoin a well-funded fintech company developing advanced financial infrastructure greenfield trading platform. · ...
-
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 Synechron ¥600,000 - ¥1,800,000 per yearJava Application Developer in Tokyo, Japan. Good communication skills and investment banking experience required. · ...
-
Tokyo SS&C Technologies ¥6,000,000 - ¥12,000,000 per yearSS&C Algorithmics is seeking a highly motivated technical consultant to provide clients with a comprehensive range of skills to support the implementation of end-to-end financial risk solutions, primarily in support of risk management and regulatory requirements. · Provide consul ...
-
Tokyo HaysJoin one of the world's leading financial institutions working on mission-critical systems for trade processing settlements and regulatory reporting. · ...
-
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 ...