Python Engineer (Reference Data) – Junior/Mid Level

Company: Bonhill Partners
Apply for the Python Engineer (Reference Data) – Junior/Mid Level
Location: London
Job Description:

Python Engineer (Reference Data) – Junior/Mid Level – Hedge Fund

London (5 days onsite)

Up to £110,000 + Bonus

We’re partnering with a high-performing market-making hedge fund to hire a junior–mid level Python Engineer focused on reference data and data infrastructure.

The Role

You’ll build and support Python-based data systems used across trading, research, and risk working on pipelines, APIs, and services that ensure high-quality, reliable data.

You’ll collaborate closely with experienced engineers, quants, and traders, with strong mentorship and ownership from day one.

Responsibilities

  • Develop and maintain reference data services in Python
  • Build data pipelines and internal APIs
  • Ensure data quality, consistency, and availability
  • Work in a Linux production environment
  • Partner with trading and quant teams on datasets

Requirements

  • 2-8 years of Python experience in production
  • Experience with data systems (APIs, pipelines, backend services)
  • Exposure to or interest in reference data
  • Linux experience and knowledge of SQL (PostgreSQL/MySQL)
  • Strong problem-solving and communication skills

Compensation

  • Up to £110,000 + bonus
  • Full private healthcare, pension, and additional perks

Posted: April 5th, 2026