「プログラミング＆開発」の求人情報

This role focuses on building and evolving backend microservices for large‑scale e‑commerce platforms. You will take ownership of core systems that support customer rewards, order delivery logic, and high‑volume transactions.

Develop and maintain high-performance backend microservices for an e-commerce platform, building new features and services that enhance customer value while handling large-scale traffic and data volumes. Collaborate with engineering teams to improve productivity, drive system ownership, and promote a culture of innovation, quality, and reliable service delivery.

This role leads front-end basic design and technical decision-making for a large-scale consumer e-commerce marketplace used by millions. You'll translate UI/UX vision into performant, maintainable React/TypeScript experiences while driving reliability, monitoring, and continuous improvement.

Join a global-scale payment platform team as a senior, hands-on engineer who leads basic design and delivers production-grade Java services end-to-end. You'll bridge architectural intent and day-to-day implementation, raising engineering quality through clear guidelines, strong reviews, and practical mentorship.

Join a backend-focused team responsible for critical checkout services, including order data creation and cart data persistence. You will lead design through operations for high-traffic Java-based APIs, consumers, and batch systems that power a large online marketplace.

We are seeking a talented iOS Developer to join a fast-paced retail technology team in Tokyo. This temporary role offers a unique opportunity to work on cutting-edge mobile applications in a dynamic and innovative environment.

This role is for a Senior Backend Engineer responsible for designing, developing, and operating high-scale APIs and backend systems that handle critical cart and order data.

You will lead technical efforts, ensure system reliability, and collaborate across functions to deliver high-performance, maintainable solutions.

This role focuses on developing and enhancing mission‑criticalmission‑critical trading and portfolio management systems using modern C++. You will collaborate closely with quantitative and trading teams in a fully English‑speakingEnglish‑speaking workplace, with no Japanese language requirement

Design, build, and maintain scalable full-stack applications while ensuring high code quality, robust architecture, and adherence to modern development best practices. Lead technical initiatives, contribute to system design, and drive Agile delivery across cloud-native and event-driven environments.

Join a forward-thinking retail technology department as an iOS Developer, where you'll contribute to designing and developing innovative mobile applications. This temporary position in Tokyo offers an exciting opportunity to showcase your expertise in iOS development while working on impactful projects.

This is an exciting opportunity for a skilled Java Developer to contribute to innovative projects in the technology and telecoms industry. Based in Tokyo, the role requires expertise in Java programming and fluency in both Japanese and English to collaborate effectively across teams.

This is an exciting opportunity to contribute to innovative projects in the Technology & Telecoms industry. Based in Tokyo, the role focuses on creating seamless user interfaces and enhancing user experiences.

This role is a Senior Full‑Stack Software Engineer position focused on building and maintaining enterprise‑scale internal applications using Python and modern JavaScript frameworks in a fully remote, agile environment. It offers long‑term stability, international collaboration, and strong potential for permanent conversion, with meaningful ownership over end‑to‑end technical solutions.

You will design, build, and maintain highly scalable financial services that power the ecosystem.

You will work on large-scale distributed systems and help evolve the platform architecture to deliver the next generation of credit card experiences.

Join the well-built security team to develop the PKI software with the best talents.