Developer Jobs in Japan

Software Engineer, Microservices Platform

Roppongi, Tokyo

About Mercari

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things. Launched in 2013, the Mercari app has been downloaded over 100M times, and is now among the largest peer-to-peer selling platforms globally.

Our mission

The world is full of objects and services being produced and sold, but many of them are thrown away without people realizing that they might be valuable to someone else, wasting valuable natural resources. To contribute towards eliminating waste, we have launched Mercari, a marketplace where people can buy and sell easily and safely.

The goal of the engineering organization

At Mercari, our organization constantly welcomes changes and new challenges, cooperates and co-creates, is diverse, offers freedom, and encourages all of us to take ownership and make our own decisions.

We are open to overseas candidates looking to relocate to Japan, and will support you in obtaining your visa.

About the position

Microservices Platform Engineers work on building a platform top on Kubernetes, helping developers to build microservices.

The main role is Kubernetes cluster administration and providing useful tools and services on it to boost up agility of service development. With SRE mind, helping development of scalable and reliable microservices on the platform is also important role of us. For more information about Mercari Microservices Platform Engineer, see our public presentation.


  • Design and develop microservices platform
  • Design and develop common component for microservices (API gateway, service mesh)
  • Improve security of the platform and microservices
  • Improve observability of microservices
  • Improve management of cloud resource by code
  • Improve platform management operation (kubernetes cluster management)
  • Help backend system engineer team to build new microservices


  • Passion in improving operational automation, service reliability and developer productivity
  • Experience using container management platforms (Kubernetes, Mesos and Swarm) and container runtimes (Docker and rkt).
  • Good documentation and communication skill
  • Basic programing skill

Application instructions

Apply Now Please mention "Tokyo Dev" in the referral section.

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