Lead Data Engineer

London /
Technology – Data /
/ Hybrid
Our Mission
Trainline is the leading independent rail and coach travel platform selling rail and coach tickets to millions of travellers worldwide.  Via our highly rated website and mobile app, people can seamlessly search, book and manage their journeys all in one place. We bring together millions of routes, fares and journey times from 270 rail and coach carriers across 45 countries.  We offer our customers the best price for their journey and smart, real time travel information on the go.  Our aim is to make rail and coach travel easier and more accessible, encouraging people to make more environmentally sustainable travel choices.
Over half of our staff are technologists, we're changing the way that people travel through the use of high quality software and technological innovation.

Data @ Trainline
Data is at the heart of what we do, creating data-driven products that both challenge and change how our customers travel and enable our Trainliners to make better and more informed decisions. The Data team comprises Data Scientists, Data Engineers, BI Engineers as well as Reporting and Marketing specialists.

As a Lead Data Engineer at Trainline you will... πŸš„
β€’ Be a brilliant people manager, lead and coach to team of polyglot data engineers
β€’ Use cutting edge data technology to deliver world class data platform and data products.
β€’ Own the vision for a frictionless, scalable, reliable and secure data platform that will accelerate our data teams
β€’ Lead the technical / architecture direction of the platform
β€’ Foster an obsession with quality and engineering excellence through automated, repeatable processes using CI/CD, TDD, BDD...
β€’ Own the operation of the platform and continuously improve operation performance
β€’ Lead and coach a self-organised Agile team and continuously improve agile maturity and delivery predictability

We'd love to hear from you if you... πŸ”
β€’ Thrive in a diverse, open and collaborative environment
β€’ Have excellent knowledge of Scala, Python or Java and a desire to achieve mastery in other languages in the polyglot team;
β€’ People management and technical leadership experience
β€’ A consistent background in software development in high volume environments
β€’ Worked with stream processing technologies (especially Kafka, Spark and AWS Kinesis)
β€’ Have an excellent working knowledge of AWS services (ECS, IAM, EC2, S3, DynamoDB, MSK)
β€’ Have experience deploying, managing and maintaining services using Docker, Terraform and AWS CLI tools to achieve infrastructure-as-code and automated deployments.
β€’ Knowledge of Clojure (optional)

Our Technology Stack πŸ’»
Our core stack in Data is:
β€’ Scala and Python
β€’ Kafka, Spark, Kafka Streams and KSQL
β€’ AWS, S3, Parquet, Glue and EMR for our Data Lake
β€’ Elasticsearch and Dynamodb
β€’ Athena
Our Culture
Everything begins with great people, as well as aptitude, we put a heavy emphasis on attitude.
Coaches Over Heroes
- We prioritise the focus on being one team over elevating the heroics of an individual, for us the true heroes are those individuals who are excellent at nurturing, coaching and generous in sharing their knowledge with others.
- Everything that we do takes into account the morale of every member of our team, their opportunities for growth and for participation in exciting challenges.
Mentoring and Learning
- We have a mentoring community that is constantly growing, we provide people with mentors or buddies from various teams.
- We hire awesome people capable of making smart decisions - empowerment is a great enabler of agility.

We value open expression at Trainline, we believe it’s the diversity of experience, backgrounds and perspectives of our employees that makes us who we are. We encourage everybody to play a part in changing the way people travel across the world.