What you'll be doing

• Deliver complex improvements to Trainline's engineering platforms, building scalable, reliable and secure infrastructure that supports teams across the business.
• Implement and evolve infrastructure with Terraform, following existing module patterns while spotting opportunities to improve quality, maintainability and automation.
• Apply least-privilege and secure-by-default principles consistently across AWS accounts to meet security and operational excellence standards.
• Build and improve automation, services and tooling in Node.js or Python to enhance delivery speed, safety, and repeatability.
• Support and review the work of other engineers, sharing context and giving constructive feedback.
• Collaborate with Tech Leads, Delivery Managers, and cross-functional stakeholders to shape delivery plans, meet milestones and manage dependencies.
• Raise risks, blockers and quality concerns early to help remove obstacles and maintain sustainable delivery pace.
• Test, validate and deploy infrastructure changes through CI/CD pipelines, ensuring robustness, documentation and production readiness.

Requirements

• Substantial professional experience as a software engineer writing code in Python, Node.js, C# or similar languages.
• Solid knowledge of software engineering best practices focusing on writing clean, maintainable and testable code.
• Hands-on experience with AWS services such as ECS, Lambda, CloudFront, IAM and S3, applying operational and security best practices.
• Proven experience delivering infrastructure with Terraform or other infrastructure as code tools.
• Confident understanding of DevOps practices and CI/CD, for example using GitHub Actions.
• Experience delivering results in agile, delivery-focused teams, ideally with experience supporting colleagues through reviews and feedback.
• Curious mindset with the ability to pick up new technologies quickly and apply them effectively.

Nice to haves

• Experience using AI tooling in day-to-day work for coding, code review, research, and productivity.

Perks and benefits

• Private healthcare and dental insurance.
• Generous work from abroad policy with 28-day allowance.
• 2-for-1 share purchase plans.
• Electric vehicle scheme to reduce carbon emissions.
• Extra festive time off and excellent family-friendly benefits.
• Clear career paths, transparent pay bands and personal learning budgets.
• Regular learning days to support career growth.
• Hybrid working model requiring minimum 60% office presence over 12 weeks.