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Python Developer
Job Summary
Advertiser
Salary / Rate
Posted
Ncounter Limited
£170,000 - £200,000
15th March 2026
Location
Start Date
London
Type
Job Sector
permanent
IT
Principal Python Engineer London | Permanent | Hybrid 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 What we’re looking for: * 6 years’ professional software development experience * Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices)…
