Senior Backend Engineer

ABOUT ELLERY SYSTEMS:

We are a small, self-funded team building a booking app for independent salons and tattoo studios. Customers who call us usually reach someone who wrote the code they are asking about. Laptops are MacBook Pros, and you pick your own editor.

ABOUT THE ROLE:

Ellery Systems has an opening for a Senior Backend Engineer. Backend role focused on API design, data modelling and making slow things fast. The company is based in Glasgow, the UK. We are a distributed team spread across a few time zones. You will join as an independent contractor on a long-term agreement. Payment is monthly in USD. Core hours are 10:00 AM to 4:00 PM UK time. Good written English matters here, since most updates are written.

IN YOUR FIRST FEW MONTHS YOU WILL:

• Tune slow queries, add indexes and read query plans
• Coordinate with frontend and mobile engineers on API contracts and versioning
• Handle on-call for services the team owns and lead incident follow-ups
• Secure endpoints with OAuth 2.0, JWT validation and proper input checks

WHAT WE'RE LOOKING FOR:

• 6+ years of backend development experience in a production environment
• Experience designing and versioning HTTP APIs
• Familiarity with Docker and CI/CD pipelines
• Hands-on experience with AWS, GCP or Azure services

NICE TO HAVE:

• Background with high-volume payment or ledger systems

PERKS AND BENEFITS:

• Company laptop
• Monthly payments via wire transfer or Wise
• Flexible hours
• Paid time off

We may close this posting early once we have enough applications.

Duration: 12 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Ellery Systems Ltd.