Principal Backend Engineer

Zeals

Zeals logo
Tokyo
正社員
給与応相談
ハイブリッドシニア以上
海外からの応募可
言語要件 英語: ビジネスレベル

技術スタック

GoPython

Description

What You’ll Do

  • Drive architecture and design of complex, distributed backend systems with a focus on scalability, reliability, and performance
  • Lead initiatives to modernize legacy systems and migrate to robust, decoupled services using Golang, gRPC, and REST
  • Own high-stakes technical decisions, balancing trade-offs and setting standards for software design across teams
  • Ensure best practices in clean code, DDD, testing, observability, and documentation are deeply embedded in the development lifecycle
  • Collaborate with engineering leadership, product managers, and stakeholders to align backend capabilities with business priorities
  • Foster a culture of technical excellence through mentorship, knowledge sharing, and collaborative problem solving
  • When required, participate in the on-call rotation and act as a technical escalation point for critical incidents

What You’ll Need

  • Proficiency in development flow based on git and GitHub
  • 8+ years of experience in Software Engineering or a similar role, with preferably experience in Golang
  • Strong sense of testing, including unit tests and integration tests
  • Ability to communicate recommendations for improvements on current systems, processes, and services as needed
  • Exhibit a strong ability to adapt in a dynamic and ever-changing environment
  • Ability to solve problems, especially to identify the source of the problem, and create and test solutions
  • Proven team-leading experience with the ability to mentor and guide team members

What Makes You Stand Out

  • Working knowledge of Docker, Kubernetes, and Clean Architecture
  • Working knowledge of gRPC and RESTful API
  • Working knowledge of RDB and SQL
  • Experience in Google Cloud Platform
  • Experience in Continuous Integration tools like CircleCI
  • Experience in issue management systems like Jira
  • Japanese communication skills
  • Experience in development using Python, Ruby, NodeJS
  • Experience in using tracing and metrics in deriving performance optimizations and troubleshooting

Our Tech Stack

  • Backend Languages: Go, Python, Elixir
  • Frontend Languages: HTML, CSS, JavaScript (TypeScript, React.js, Recoil, Zod, Tanstack, etc)
  • Mobile Languages: None
  • Infrastructure: Google Cloud Platform, GCP Pub/Sub, Kubernetes, MongoDB, MySQL, Postgres, BigQuery, Elasticsearch, Qdrant
  • Configuration management tool: Terraform
  • CI/CD: Github Actions, ArgoCD, CircleCI
  • Monitoring: Grafana, GCP Cloud Monitoring, GCP Logging, GCP Cloud Trace, Opsgenie
  • Data: BigQuery, Parquet, Spark, Scala, Python, dbt
  • Knowledge Tools: Confluence
  • Other: GitHub / Slack / Jira
  • Process: Scrum
掲載日: 2026/01/03

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企業情報

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Zeals

101-500名

関連求人

Principal Backend Engineer at Zeals | JapanTechCareers