Principal Software Engineer

Join our team as a Principal Software Engineer, where you'll play a key role in delivering complex, scalable systems for ambitious clients. This hands-on engineering role involves working across the full stack, collaborating closely with internal engineering teams and client stakeholders, and influencing technical direction. You'll design and build backend services for a highly scalable marketing platform, own the design of APIs, applications, and supporting infrastructure, and deliver solutions end-to-end. This role offers flexible working arrangements, generous parental leave, and a strong emphasis on learning and development.

• Collaborate closely with internal engineering teams and client stakeholders to influence technical direction and ensure successful delivery of complex systems.
• Design and build backend services for a highly scalable marketing platform, owning the design of APIs, applications, and supporting infrastructure.
• Deliver solutions end-to-end, including building, automating, deploying, operating, and supporting the systems, while working within an Agile, iterative delivery model.
• This role suits someone who enjoys solving hard problems, owning outcomes end-to-end, and operating in a consultative engineering environment
• Solid SQL experience, including schema design and performance-aware queries
• Experience designing and implementing data-driven APIs
• Background working on large-scale web services
• Strong foundation in JVM-based development (Kotlin preferred, Java welcome)
• Deep experience with automated testing (unit, integration; TDD/BDD preferred)
• Experience with React, TypeScript, Redux, and Tailwind (or similar modern frameworks)
• Experience with AWS, GCP, Azure, or similar
• Containerised deployments using Docker, ECS, Kubernetes, or equivalent
• Infrastructure-as-code (Terraform, CloudFormation, etc.)
• Exposure to Scala or functional programming concepts
• NoSQL experience (DynamoDB, Cassandra, BigTable, Cosmos DB, etc.)
• Experience with asynchronous and highly concurrent backend frameworks (e.g. Ktor, http4k, Play, RxJava)
• Strong Git workflow experience and the ability to adapt workflows to project needs
• A genuine appetite for learning and adopting new technologies quickly