Jobs at Trainline

Monitor, triage and investigate security alerts; develop and tune Splunk detection rules; build automation and AI-driven workflows; perform threat hunting; administer and optimise SIEM; support vulnerability management, incident response and compliance activities; produce dashboards and documentation; participate in on-call rota.

Provide first-line support and configuration for Trainline's finance systems, manage the Jira ticket queue, enforce controls, support stakeholders, escalate complex issues, and contribute to finance transformation and automation initiatives including AI use cases.

Support Spanish customer service quality by monitoring QA metrics, reviewing interactions, running audits, analysing feedback, running calibration sessions, and recommending improvements. Maintain decision trees, update knowledge resources, and improve CRM ticket workflows using scripting to drive consistent, higher-quality customer outcomes.

Lead strategy for customer monetisation across pricing, subscriptions, loyalty and bundles. Build commercial cases, define premium propositions, design test-and-learn frameworks, and influence senior stakeholders while partnering with Product, Marketing, CRM, Finance and Data to drive sustainable customer growth and lifetime value.

Lead multiple engineering teams to drive platform modernization and adopt AI workflows. Partner with stakeholders, balancing strategy and operational excellence.

The Senior Product Manager will lead the strategy for Paid Propositions, focusing on customer retention and growth by designing propositions and improving customer experiences, collaborating with cross-functional teams, and utilizing data insights.

As a Technical Account Manager, you will manage a portfolio of strategic customers, enhance their engagement with Trainline, ensure operational excellence, and build long-term relationships that drive customer success and revenue growth.

As the Head of Machine Learning Engineering, you will define the ML strategy, lead teams, deliver scalable solutions, and shape AI governance for enhanced customer travel experiences.

As a Senior Android Engineer, you'll design and improve the Android app, collaborate with cross-functional teams, mentor engineers, and lead technical decisions.

As a Technical Account Manager, you will manage strategic customer accounts, driving success through guidance and solutions in a dynamic rail industry environment.

The People Operations Advisor will provide HR support, manage data integrity in HiBob, assist with payroll, benefits, and employee lifecycle administration, and contribute to HR process improvements.

As a .NET Engineer at Trainline, you will develop features, ensure code quality, mentor team members, and manage the development lifecycle.

The Strategic Business Development Manager will drive new business acquisition and revenue growth by developing plans, managing customer relationships, and collaborating across teams to shape market expansion.

As a Senior Product Designer, you'll lead the design process for B2B and B2B2C products, ensuring alignment in cross-functional teams while managing multiple projects.

Partner with senior Technology and Data leaders to design and deliver people strategies, drive organisational design and change, use workforce data and engagement insights, coach leaders on performance and capability, improve People processes (including AI/automation adoption), and collaborate across People Centres of Excellence to enable high-performing teams.

The Senior Backend Engineer will develop features, improve code quality, mentor others, and manage the development lifecycle while focusing on customer priorities and technical decisions.

Build, deploy and optimise high-volume multi-channel CRM campaigns in Braze using Liquid, regex and HTML/CSS. Collaborate with data, engineering and campaign teams to target segments, ensure accurate personalization, track campaign performance, troubleshoot platform issues, document processes and provide insights to improve engagement and conversion.

Own day-to-day ad campaign trafficking, QA, monitoring and optimisation in Google Ad Manager. Troubleshoot delivery and tracking issues, produce performance reporting, and use AI and automation to improve processes and scale operations while partnering with Account Management, Ad Sales, Product, Engineering and Data.

Design, build and operate backend services in C#/.NET; own full development lifecycle, mentor teammates, improve reliability, observability, CI/CD, and scale microservices across AWS.

Lead Trainline's learning strategy and roadmap, partnering with People Partners and senior leaders to design scalable learning solutions, leadership and manager development, AI adoption enablement, and a modern learning ecosystem. Manage a small L&D team, drive measurable outcomes, and make build-vs-buy decisions to support organisational transformation and capability growth.