About

Principal Python EngineerLondon | Permanent | HybridNcounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed systems, with the opportunity to build scalable tools and frameworks used across the business.What you’ll do:Design, develop, and maintain performant, reliable frameworks and services in PythonBuild productivity tools and platforms that streamline workflows across investment and technology teamsContribute to code reviews and best practices, improving overall development qualityWork across distributed systems, containers, and automation pipelines to deliver scalable solutionsWhat we’re looking for:6+ years’ professional software development experienceStrong proficiency in high-performance Python (deep ecosystem knowledge and best practices)Experience with at least one JVM language (Java, Kotlin, Scala) is an advantageBackground in distributed systems and large-scale compute frameworksFamiliarity with Docker, Kubernetes, Linux environments, and CI/CD automationThis role offers the chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If you’re a skilled Python engineer with distributed systems expertise and want to join a world-class engineering environment, apply today for a confidential conversation.