FINLAY O'NEILL
PROFESSIONAL EXPERIENCE
Senior Quantitative Developer
10-2026 to Present
NatWest
Contract role focused on enhancing the centralised Monte-Carlo modelling framework.
Lead Python Developer
10-2025 to 09-2026
Columbia Threadneedle Investments
Contract role in the Investment Risk team, leading development of a full-stack risk monitoring platform alongside the firm's migration to Snowflake. Built the FastAPI backend, Dash front end and overnight data pipeline, deployed to EKS via a GitOps pipeline. Leading Python development standards across a globally distributed team.
Data Engineer
03-2023 to 09-2025
Aberdeen Investments
Modelling & Quantitative Analytics, democratising data across the firm to support investment decision-making. Built pipelines, dashboards and bespoke tools. Rebuilt the in-house ESG scoring process, cutting runtime from three hours to six minutes. Introduced GitOps deployment to the team's Kubernetes analytics platform.
Quantitative Developer
03-2022 to 03-2023
Aberdeen Investments
Quantitative Investment Solutions, enhancing portfolio analytics to understand performance drivers and risk factor exposure. Replaced a manual pre-trade process with an automated pipeline integrating position, FactSet and Style Analytics data with optimiser and simulation outputs.
Data Engineer / Scientist
01-2021 to 03-2022
Forecast Global
Consultancy across clients of varying size and sector — from building data pipelines for a FTSE 100 telecoms firm to classifying sales leads with machine learning models for a FinTech.
Investment Risk Manager
04-2019 to 11-2019
Aberdeen Investments
Investment Specialist
09-2016 to 04-2019
Aberdeen Investments
Investment Accountant
04-2014 to 09-2016
Baillie Gifford
EDUCATION & QUALIFICATIONS
MSc in Big Data (Data Science) (Distinction)
09-2019 to 09-2020
University of Stirling
CFA Charter
06-2016 to 06-2018
Chartered Financial Analyst Institute
MA (Hons) in Accountancy & Business Law (2.1)
09-2009 to 06-2013
Heriot Watt University