Senior Quant SME: Python Library & Portfolio Analytics

Robson Bale Ltd; Greater London; On-site; GBP 175,000 - 185,000; Full time

Job summary

Robson Bale Ltd is seeking a Quant SME for a contract role on-site in London, 5 days a week, at £950–£1000 per day (Umbrella). The position centers on building and maintaining a Python library that downstream services depend on, with a focus on multi-asset portfolio statistics and time-series data engineering using pandas.

You will also work with Snowflake data warehousing, write SQL against vendor tables, and interface with Thomson Reuters/Bloomberg tools.

Qualifications

• Experience with Thomson Reuters and Bloomberg applications, and Excel Add-ins.

Responsibilities

• Build and maintain a Python library used by downstream services.
• Develop and maintain time-series portfolio statistics with pandas at scale.
• Write SQL against Snowflake/vendor tables for curated data.
• Collaborate with front-end/middle-tier teams on API implementations.
• Contribute to CI/CD pipelines and testing frameworks.

Skills

Python 3.11+

DSL parsing

Pandas/Numpy

Portfolio statistics

CI/CD testing discipline

Linting/Static typing

Software architecture

API design

Team collaboration

AI-assisted development

Tools

Snowflake

SQL

GitLab CI/CD

pytest/Hypothesis

ruff

pyright

numpy

scipy

cvxpy

numba

Bloomberg Thomson Reuters tools

Job description

Robson Bale Ltd is seeking a Quant SME for a contract role on-site in London, 5 days a week, at £950–£1000 per day (Umbrella). The position centers on building and maintaining a Python library that downstream services depend on, with a focus on multi-asset portfolio statistics and time-series data engineering using pandas.

You will also work with Snowflake data warehousing, write SQL against vendor tables, and interface with Thomson Reuters/Bloomberg tools.