Backend Developer, Payments

Who we are:

Our main product is a payroll and timekeeping app for hourly workforces, sold by subscription and supported from Chicago. The product is a mobile app plus a React web dashboard, with a Python and PostgreSQL backend on AWS. Laptops are MacBook Pros, and you pick your own editor.

What this job is:

We're looking for a Backend Developer, Payments to join our team. This is a remote role. The Core API team owns services that process several million requests a day. We need another engineer who is comfortable owning them in production. You will join as an independent contractor on a long-term agreement. Payment is monthly in USD. Core hours overlap with US Central time, 9:00 AM to 1:00 PM CT.

What you'll do:

• Design and build REST and gRPC APIs in Go, Java or Python
• Reduce cloud costs by right-sizing services and cleaning up unused resources
• Implement background jobs and event consumers using Kafka, SQS or RabbitMQ
• Write integration and contract tests so API changes don't break consumers

What you bring:

• 3-5 years of backend development experience in a production environment
• Familiarity with Docker and CI/CD pipelines
• Proficiency in at least one of Go, Java, Kotlin, Python, C# or Node.js
• Clear written communication, including design docs
• Experience designing and versioning HTTP APIs
• Working knowledge of message queues or streaming platforms

Also helpful:

• Terraform or Pulumi
• Prior work breaking up a monolith

Why work with us:

Compensation: $9.50 to $12.00 per hour

• Paid in USD
• Annual rate review
• Flexible hours
• Company laptop

Please submit your CV in English.

Duration: 9 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Ashgrove Software LLC.