Decision Engineer

Capital on Tap

Decision Engineer at Capital on Tap handling automated customer decisions and collaborating with various teams.

Posted 6/1/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Building and maintaining the rules and logic that drive our automated customer decisions
Working with our Data Science, Credit, and Business Operations teams to understand what's needed and turn that into changes on the platform
Helping to monitor how our decisioning is performing and flagging anything that looks off
Investigating and fixing issues when decisions aren't behaving as expected
Contributing to improvements in how we work, based on data and your own observations
Collaborating with wider engineering and IT teams on data-related projects

Requirements

What you’ll need

Some experience working with decision engines or rules-based platforms — ideally in financial services or fintech (tools like GDS Link, Experian PowerCurve, or Provenir are a plus, but not essential)
Comfort working with data — SQL experience is helpful, and some exposure to Python would be great
A methodical approach to problem-solving, with good attention to detail
Curiosity and a willingness to learn new tools and technologies
Good communication skills — you'll need to explain technical topics to people who aren't technical, and that's something we'll support you in developing.

Benefits

Comp & perks

Flexible role — you can work remotely, from our Cardiff office, or from our London office.
1,000+ employees
200,000+ customers
Trustpilot reviews averaging 4.7 stars
We're profitable

ATS Keywords

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Hard Skills & Tools

SQLPythondecision enginesrules-based platformsdata analysisproblem-solvingdata monitoringissue investigationdata-driven improvementsattention to detail

Soft Skills

communicationcuriositywillingness to learnmethodical approachcollaboration