> Markdown version of [/jobs/ext/3909466-principal-python-engineer](https://www.wearedevelopers.com/jobs/ext/3909466-principal-python-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Python Engineer

- **Company:** Frank Whipple Estate
- **Location:** UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Code Review, Distributed Systems, Java Virtual Machine (JVM), Python (Programming Language), Linux System Administration, Scala (Programming Language), Software Engineering, High Performance Computing, Delivery Pipeline, Kotlin, Kubernetes, Docker
- **Published:** October 26, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/principal-python-engineer/53773510

## About the Role

* 6+ years' professional software development experience

 * Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices)

 * Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage

 * Background in distributed systems and large-scale compute frameworks

 * Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation

This 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

## Description

Ncounter is supporting a global investment firm in hiring a Python 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 Python

 * Build productivity tools and platforms that streamline workflows across investment and technology teams

 * Contribute to code reviews and best practices, improving overall development quality

 * Work across distributed systems, containers, and automation pipelines to deliver scalable solutions