Senior Software Engineer
Summary
Senior Python engineer building and optimising high-performance, production data-processing systems for a technology company near Cambridge (hybrid). Day to day: developing production-grade Python apps, big-data pipelines on local server infrastructure, and multithreaded/multiprocessing solutions with TDD; Rust or C++ experience desirable.
Salary: £40,000 - 80,000 per year
Requirements:- Strong commercial Python development experience.
- Expert knowledge of multithreading, multiprocessing, and concurrency.
- Proven track record working in a Test-Driven Development environment.
- Experience building scalable, production-focused systems.
- Strong understanding of software performance optimisation and clean code principles.
- Experience working with big data and high-volume processing on localised infrastructure.
- Desirable: Experience with C++ or Rust.
- Desirable: Distributed systems or parallel processing experience.
- Desirable: Background in scientific, engineering, or industrial software environments.
- Develop and maintain production-grade Python applications.
- Build high-throughput data processing pipelines handling large datasets on local server infrastructure.
- Design and implement robust multithreaded and multiprocessing solutions.
- Write clean, maintainable code within a TDD environment.
- Optimise performance across CPU, memory, and I/O intensive workloads.
- Big Data
- Python
- Rust
- TDD
More:
We are an innovative technology company seeking a Senior Python Software Engineer to build and optimise high-performance data processing systems in a production-focused environment. This role is centred on software engineering rather than modelling, with a strong emphasis on clean code, Test-Driven Development (TDD), and scalable data processing. This is an excellent opportunity for an engineer who enjoys building reliable, high-performance software and solving complex data and concurrency challenges. Location: Cambridge | Hybrid | Competitive Salary.
last updated 36 week of 2026