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From the employer's careers site First seen 25 Oct 2026 · Still live on 31 Oct 2026

Senior Backend Engineer - .Net

Trainline London Hybrid senior full-time

Salary

£85K - £95K per year

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Description

We are looking for a Senior Backend Engineer to join our team at Trainline. As a Senior .NET Engineer at Trainline, you will shape technical decisions and help the team make good ones. You will coach and mentor other engineers, and learn from them too. You will own your work from code through to production, including deployment and monitoring. You will spot and remove blockers, time sinks and waste, for yourself and the team. You will keep quality high and keep improving the codebase.

Our Tech Stack includes C# (.NET 6 to 10), DynamoDB, PostgreSQL, AWS, Docker, Terraform, GitHub Actions, New Relic, ELK.

You’ll be a great fit if you communicate clearly and enjoy working as part of a team, whether that’s pair-programming, mentoring or collaborating with front-end engineers and other disciplines. You should have strong hands-on C# and .NET experience, including recent features. You should have built and run microservices and event-driven systems, with a solid grasp of distributed systems and scale.

We offer a salary range of £85K – £95K, plus fantastic benefits like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase plans, an EV Scheme to further reduce carbon emissions, extra festive time off, and excellent family-friendly benefits.

Skills

Required

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.ashbyhq.com/trainline/f55a4b9e-9a02-4da7-9095-7c2e159aacd6

Apply on Trainline