Junior Backend Engineer - Kotlin

About O'Brien Software

Our product started as a side project in 2019 and now has a few hundred paying customers, mostly in Vermont. We are a small, self-funded team building a booking app for independent salons and tattoo studios.

About the role

O'Brien Software is hiring a Junior Backend Engineer - Kotlin to work remotely from the US. You'll work mostly on server-side code: services, queues, databases and the glue between them. Little to no frontend work. Fully remote. You can work from anywhere in the US. You need a reliable internet connection and somewhere quiet to work.

In your first few months you will

• Add caching with Redis where it actually helps, and remove it where it doesn't
• Tune slow queries, add indexes and read query plans
• Design and build REST and gRPC APIs in Go, Java or Python
• Secure endpoints with OAuth 2.0, JWT validation and proper input checks
• Reduce cloud costs by right-sizing services and cleaning up unused resources
• Document APIs in OpenAPI and keep the docs current
• Review code for correctness, performance and failure handling

Requirements

• 1+ years of backend development experience in a production environment
• Strong SQL and relational data modeling skills
• Comfort reading logs, metrics and traces to debug problems in production

Also helpful

• Elasticsearch or OpenSearch

Why work with us

Salary range: $131,000 - $153,000/year

• $1,000 home office setup budget

We are unable to sponsor visas for this position.

Duration: 9 months. Start: Flexible.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at O'Brien Software.