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Xsolla company · OPEN ROLE

Xsolla

Senior Backend Engineer - Japan

Tokyo · Engineering · AI

Company
Supports payments and distribution that help game developers build, market, and monetize games.
Role
Builds the payment system backend using Go and Kubernetes.

What you will do

We rewrote the responsibilities and qualifications in plain language instead of copying the original posting.

Responsibilities

  • Design and build event-driven backend services using Go and Kafka.
  • Build scalable microservices in containerized environments with Docker and Kubernetes.
  • Drive architecture decisions that improve performance, resiliency, and maintainability.
  • Own your code in production, monitoring and debugging it while continuously improving performance and reliability.
  • Write automated tests and ship through CI/CD.
  • Join the on-call rotation to help respond to incidents.

What you need

  • Brings 5+ years of backend engineering experience working with Go or a comparable language.
  • Deep understanding of microservices architecture, distributed systems, and event-based communication.
  • Comfortable with cloud infrastructure and container orchestration such as Kubernetes and Docker.
  • Experience troubleshooting production issues and driving them to resolution.
  • Business-level proficiency in both Japanese and English.

Good to have

  • Background in gaming, payments, or commerce.
  • Experience in adtech or offer monetization platforms.
  • Hands-on experience with Kafka or a similar streaming platform.
  • Experience with Redis or other in-memory data stores.
  • Experience with cloud platforms such as AWS, GCP, or Azure.
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Checked 2026-10-19

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