Engineer - Platform

Stack

Responsibilities

• ▹Deliver improvements to Trainline's engineering platforms, contributing to infrastructure that helps teams deploy, run and manage services reliably
• ▹Implement infrastructure changes using Terraform, following existing module patterns
• ▹Apply least-privilege and secure-by-default principles across AWS accounts
• ▹Contribute to automation scripts or tooling using Node.js or Python
• ▹Collaborate closely with Senior Platform Engineers, Tech Leads and Delivery Managers to understand priorities and deliver milestones
• ▹Test, validate and deploy changes through CI/CD pipelines
• ▹Provide clear delivery updates and raise blockers early
• ▹Build knowledge of Trainline's platform and engineering practices through feedback and collaboration

Requirements

• ▹Good experience working with AWS services such as ECS, Lambda, IAM or CloudFront, with an understanding of cloud operational and security best practice
• ▹Experience delivering infrastructure changes using Terraform
• ▹The ability to deliver defined tasks with minimal supervision, while knowing when to ask questions or raise risks
• ▹Experience using Node.js or Python for automation, scripting or integration tasks, or transferable experience with similar languages
• ▹A thoughtful approach to secure engineering, including least-privilege access and secure-by-default infrastructure
• ▹Experience using AI tooling to support day-to-day work, such as coding, research, code review or productivity

Soft skills

About the company

Trainline is a champion of rail, building a greener, more sustainable future of travel as Europe's number 1 downloaded rail app. The Atlas (Infrastructure Engineering and Tooling) team owns the ecosystem used to deploy, run and manage traffic across the Trainline platform, currently building its next version with a focus on reliability, quality, automation and secure, scalable delivery.