> Markdown version of [/jobs/ext/2206412-principal-software-engineer-team-lead](https://www.wearedevelopers.com/jobs/ext/2206412-principal-software-engineer-team-lead). 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 Software Engineer, Team Lead - **Company:** ECM Selection Limited - **Location:** Oxford, UK - **Experience:** Expert - **Salary:** £85,000.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Distributed Systems, Python (Programming Language), Performance Tuning, Software Engineering, Software Project Management, High Performance Computing, Parallel Computation, Information Technology - **Published:** August 24, 2026 - **Apply:** https://www.ecmselection.co.uk/register/25947 ## About the Role * Degree in Computer Science, Physics, Maths or similar from a well-ranked university with significant industry experience * Demonstrable experience in software design for distributed high-performance computing platforms, particularly in a physics-based area * Excellent C++ is a must - there will be hands-on development work * Experience in developing high quality software and enthusiasm for continual improvement * Evidence of a collaborative team-focused approach to leading and managing colleagues ## Description This successful and financially secure company is looking for a progressive-thinking Lead Software Engineer to bring expertise in software development and assume responsibility for their team developing complex solvers for numerical physics. The core code is written in C++11 with Python wrappers. ## Related Videos - [Strange New Worlds: shaping the future of the digital age](https://www.wearedevelopers.com/videos/677-strange-new-worlds-shaping-the-future-of-the-digital-age) - [Practical performance tuning for Serverless Java on AWS](https://www.wearedevelopers.com/videos/2075-practical-performance-tuning-for-serverless-java-on-aws) - [Best Practices for AI-Assisted Development of Distributed Systems](https://www.wearedevelopers.com/videos/100200-best-practices-for-ai-assisted-development-of-distributed-systems) - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [Schroedinger's cat: Thinking in- and outside the box of quantum mechanics](https://www.wearedevelopers.com/videos/216-schroedinger-s-cat-thinking-in-and-outside-the-box-of-quantum-mechanics) - [Tour de Force: Open-Source LLM Inference Optimization from Simple to Sophisticated](https://www.wearedevelopers.com/videos/100099-tour-de-force-open-source-llm-inference-optimization-from-simple-to-sophisticated) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)