Senior Backend Engineer

A bit about us:

Tokai Consulting is an independent wealth management firm advising families, business owners and retirees.

About the role:

Tokai Consulting has an opening for a Senior Backend Engineer. We want someone who writes boring, reliable code and leaves good logs behind. This role is fully remote within Japan. We keep meetings to a minimum and work mostly async. Communication happens mostly in Slack and short video calls.

Key responsibilities:

• Secure endpoints with OAuth 2.0, JWT validation and proper input checks
• Model data and write migrations for PostgreSQL, MySQL or DynamoDB
• Add caching with Redis where it actually helps, and remove it where it doesn't
• Review code for correctness, performance and failure handling
• Containerize services with Docker and deploy them to Kubernetes or ECS
• Tune slow queries, add indexes and read query plans
• Reduce cloud costs by right-sizing services and cleaning up unused resources
• Instrument services with metrics, structured logs and OpenTelemetry traces

Requirements:

• 5+ years of backend development experience in a production environment
• Proficiency in at least one of Go, Java, Kotlin, Python, C# or Node.js
• Hands-on experience with AWS, GCP or Azure services
• Comfort reading logs, metrics and traces to debug problems in production
• Strong SQL and relational data modelling skills

Pluses:

• Terraform or Pulumi
• NoSQL stores such as MongoDB, Cassandra or DynamoDB
• Background with high-volume payment or ledger systems

Why work with us:

• Paid leave
• Remote work allowed
• Social insurance
• Bonus twice a year
• Flexible hours

Start: Flexible.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Tokai Consulting Co., Ltd..