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Rothstein Recruitment

Principal QA Automation Engineer - FinTech - AI

London
£90k – £100k/yr
Posted about 19 hours ago
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Principal QA Automation Engineer - FinTech - AI

An exciting opportunity has opened for a Principal QA Automation Engineer to join a rapidly growing Payments FinTech. We are looking for a highly technical, hands-on individual contributor who can build and own the automation and quality engineering capability across a complex payments platform. This role is for someone who can go beyond traditional test automation and build automation frameworks, establish meaningful quality metrics, using AI to transform testing and developing and testing AI-powered QA agents.

You will:

  • Build the QA automation strategy and technical capability across the payments platform.
  • Design and develop scalable automation frameworks for API, integration, contract, and end-to-end testing.
  • Build automation from the ground up using technologies such as Java/JVM, Golang, REST Assured, Postman/Newman, and internal tooling.
  • Own the quality and automation metrics across the platform, defining what should be measured and how those metrics are used to improve engineering quality.
  • Establish meaningful measures around automation coverage, defect trends, test effectiveness, reliability, flakiness, execution performance, and release quality.
  • Build automated quality gates and integrate them into CI/CD pipelines.
  • Identify opportunities to use AI and LLMs to improve the QA lifecycle, from test generation and test analysis through to defect detection and investigation.
  • Design, build, and test AI-powered QA agents capable of performing testing, analyzing results, identifying anomalies, and supporting engineering teams.
  • Establish approaches for testing AI agents, including accuracy, reliability, robustness, hallucination, regression, and behavioural testing.
  • Build frameworks and tooling that allow AI-driven testing capabilities to be repeatable, measurable, and production-ready.
  • Work closely with engineers to improve testability, observability, and quality at source.
  • Establish engineering standards for automation code, framework design, test data, CI/CD, and quality reporting.
  • Provide technical leadership through design reviews, code reviews, and mentoring, while remaining a hands-on individual contributor.

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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Key Requirements:

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  • 7+ years' experience in QA Automation / Quality Engineering, with significant hands-on engineering experience.
  • Proven experience testing in Java environment.
  • Proven ability to build automation frameworks and QA capabilities from scratch.
  • Deep experience with API automation, integration testing, and contract testing.
  • Strong understanding of CI/CD and automated quality engineering.
  • Experience with Jenkins, GitHub Actions, GitLab CI, or equivalent.
  • Experience building, integrating, or experimenting with AI agents, LLM-based tooling, or agentic workflows.
  • Ability to work independently, take ownership, and make technical decisions without requiring significant management oversight.

Interested? Please apply now.

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Skills

QA Automation
Java
Golang
REST Assured
Postman
Newman
API Testing
Integration Testing
Contract Testing
CI/CD
AI Agents
LLM
Jenkins
GitHub Actions
GitLab CI
Quality Engineering

Location

London, England, United Kingdom

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