Ncounter Limited

Ncounter Limited

Old Bailey, London

Quantitative Developer (Python)

Full-Time£65,000 - 105,000 per yeartodayUnited Kingdom
IT

Job Description

Salary: £65,000 - 105,000 per year

Requirements:
  • Strong commercial Python development experience, ideally 4+ years
  • Degree in Computer Science, Mathematics, Physics, Engineering, Quantitative Finance, or a similar technical discipline
  • Experience designing robust, scalable software
  • Understanding of data processing, storage, and analysis
  • Experience with modern software engineering practices, including Git and Agile
  • Excellent communication skills and the ability to work closely with highly technical stakeholders
  • Desirable: C++ or KDB+/q experience
  • Desirable: Quantitative or financial engineering experience
  • Desirable: Experience with CI/CD pipelines
  • Desirable: Experience with logging and monitoring platforms
  • Desirable: Experience with database technologies
  • Desirable: Experience with software architecture and solution design
Responsibilities:
  • Partner with Quantitative Researchers to build software supporting research and trading
  • Develop scalable Python applications and workflows
  • Design high-performance solutions for processing and analysing large datasets
  • Collaborate with engineering teams to build reusable software components
  • Take ownership from design through to deployment and ongoing improvement
  • Support business-critical systems within a modern engineering environment
Technologies:
  • CI/CD
  • Git
  • Support
  • Python

More:

We are a hedge fund in London building great trading strategies through strong engineering. We are looking for an experienced Python Developer to work alongside Quantitative Researchers, creating the software that underpins our research, analytics, and live trading. You will join a highly technical environment where engineering quality, performance, collaboration, and ownership are highly valued, and your work will have a genuine impact from day one.

last updated 31 week of 2026

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  • An updated resume highlighting relevant experience
  • A compelling cover letter (if required)
  • Portfolio or work samples (for relevant positions)

About Ncounter Limited

Ncounter Limited

Ncounter Limited

Old Bailey

IT

Skills & Technologies

PythonC++GoScalaGitCI/CDAgileUI

Inferred from job description

Salary Insight

£85,000

This role

£55,000

UK median

This salary is 55% above the UK median for Developers55,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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