Senior Backend Engineer - .Net

Responsibilities

• Deliver new functionality or features, using the most appropriate tools & techniques
• Ensure quality is at the heart of everything you and your team do
• Continuously improve the code base
• Keep our customer as the number one priority
• Actively identify blockers, boulders, time sinks and waste, and actively attempt to remove them
• Make significant contribution to technical decisions
• Act as a coach and mentor to others in the team
• Take full ownership of the development lifecycle from code to production, including deployment and monitoring

Tech Stack

• Languages & Frameworks: C# (.NET 6–10)
• Databases: DynamoDB, PostgreSQL
• Cloud & Infrastructure: AWS Cloud, Docker, Terraform
• CI/CD & DevOps: GitHub Actions
• Monitoring & Logging: New Relic, ELK Stack

Qualifications

• Experience mentoring less experienced engineers and comfortable pair-programming with colleagues
• Hands on experience with C# .NET and the latest features
• Experience collaborating with front-end engineers and other disciplines to deliver end-to-end features and cross-functional epics
• Experience working with identity and authentication systems (e.g. IdentityServer, OpenID Connect, OAuth2)
• Experience designing and maintaining CI/CD pipelines (e.g. GitHub Actions, TeamCity, Spacelift or similar tools)
• Experience with cloud platforms (AWS preferred; Azure or GCP also valuable)
• Hands-on experience with Infrastructure as Code, particularly Terraform
• Strong experience with observability practices (logging, monitoring, alerting)
• Familiarity with tools such as New Relic and ELK stack (or equivalents)
• Curiosity about AI and emerging tools
• Experience supporting production systems and improving reliability
• Strong experience building and operating microservices architectures
• Experience with event-driven systems and asynchronous messaging patterns
• Solid understanding of distributed systems and scalability challenges
• Have excellent communication skills

Benefits

Enjoy fantastic perks 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.

We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days.

We're operate a hybrid model to work and ask that Trainliners work from the office a minimum of 60% of their time over a 12-week period. We also have a 28-day Work from Abroad policy.

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