Backend Developer (Kotlin)

Content moderation runs around the clock, with reviewers in multiple time zones and languages. We started in 2012 and have grown to about 240 people. Core hours are 10 to 3, and the rest of the day is flexible.

Job summary

Canopylane Online is hiring for the Backend Developer (Kotlin) position to build and run the APIs and services behind our web and mobile apps. Remote within the UK. The team meets in London once a quarter, travel covered. Monday to Friday, regular working hours, flexible start and finish. Strong written English is important, since much of our work is async.

Duties

• Containerize services with Docker and deploy them to Kubernetes or ECS.
• Instrument services with metrics, structured logs and OpenTelemetry traces.
• Design and build REST and gRPC APIs in Go, Java or Python.
• Implement background jobs and event consumers using Kafka, SQS or RabbitMQ.
• Document APIs in OpenAPI and keep the docs current.
• Reduce cloud costs by right-sizing services and cleaning up unused resources.
• Model data and write migrations for PostgreSQL, MySQL or DynamoDB.
• Handle on-call for services the team owns and lead incident follow-ups.

What we're looking for

• Comfort reading logs, metrics and traces to debug problems in production.
• Hands-on experience with AWS, GCP or Azure services.
• Understanding of concurrency, transactions, idempotency and retries.

Perks and benefits

Compensation: £65,000 - £75,000 pa

• Private medical insurance.
• Pension scheme with 5% employer contribution.
• 33 days holiday including bank holidays.
• Birthday off.

Start: Within 30 days.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Canopylane Online.