Role overview

Checkout.com is seeking a Staff Software Engineer to join the Data and AI Platform Team in London. The team builds infrastructure that enables internal teams to create reliable, scalable AI-powered streaming and batch data applications. You will design and lead the development of an event streaming platform serving hundreds of teams and petabyte-level data volumes.

Key responsibilities

Design and build a continuously available large-scale event streaming platform using Kafka and Flink technologies.
Provide technical leadership, mentoring, and strategic guidance to engineers and engineering managers across the organisation.
Develop tooling, modules, SDKs, and domain-specific languages that make it easy for other teams to publish data and deploy streaming applications on the platform.
Implement infrastructure that enables end users to build, host, monitor, and deploy their own streaming applications independently.
Offer technical consultation across the organisation to drive platform adoption and enable event-driven use cases.
Translate requirements and architecture initiatives into executable action plans and implementations.
Provide hands-on support for event-based systems, including incident response and root cause analysis.

Requirements

Strong background in data systems with proven experience implementing and owning event streaming platforms.
Hands-on experience with stream processing technologies, ideally Kafka, and demonstrated ability to design and implement stream processing applications with Flink.
Experience working with cloud-based technologies such as AWS, including services like MSK, S3, Lambda, ECS, and SNS.
Proficiency with Kubernetes, Docker, container deployment and management, and infrastructure as code tools such as Terraform.
Experience designing and implementing CI/CD pipelines and working with SQL databases.
Strong programming skills in at least one of Java or Python.
Excellent presentation and communication skills with a proven track record of influencing engineering organisations.

What makes this role worth considering

Checkout.com operates at global scale, processing over 10 billion transactions yearly for major companies including eBay, Spotify, Klarna, Uber, and Sony. The role offers meaningful ownership of infrastructure that directly impacts hundreds of teams across the organisation. The company operates with a hybrid working model requiring three days per week in the London office, supporting both collaboration and flexibility.