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Capital on Tap

SME-focused business credit cards & funding

Lead Automation Engineer

Test Automation EngineeringConfirmed live in the last 24 hours
Full-timeLisbon, Portugal€65k - €75k

About the Job

Requirements

  • At least 5 years of experience in QA Automation or SDET roles, with success leading quality within an Agile team.
  • Strong proficiency in C# or JavaScript/TypeScript.
  • Experience testing complex financial systems such as card issuing, transaction processing, or credit risk.
  • Hands-on experience with UI automation tools such as Playwright or Cypress, and API testing tools such as REST Assured or other API testing frameworks.
  • Familiarity with Azure, Git, and integrating automated testing into deployment workflows.
  • Ability to influence without authority and encourage developers and Product Owners to prioritize automation and quality.

Responsibilities

  • Define and own the comprehensive testing strategy for the domain, such as payments, banking, or onboarding, ensuring end-to-end quality and compliance in partnership with the QA Team Lead.
  • Design, develop, and maintain robust automated API, UI, and mobile tests as the primary automation contributor.
  • Work with Product Owners and Developers from the refinement stage to engineer quality from the start.
  • Manage the mission team’s automation targets and use data-driven insights, including MTTD/MTTR and defect escape rates, to predict high-risk areas.
  • Serve as the mission team’s expert on central automation frameworks and drive consistent adoption of CI/CD processes and quality gates.
  • Identify team-specific gaps and collaborate with the central Tooling Team to develop custom helpers or data generators that enhance the core framework.
  • Integrate automated test suites into CI/CD pipelines to enable rapid, reliable deployment and a fail-fast mechanism.
  • Coordinate complex technical testing, including microservices, security with OWASP ZAP, and performance testing.
  • Coach and upskill developers and junior QA engineers on automation best practices and test design patterns.
  • Champion AI tools such as Claude and GitHub Copilot for architecture exploration, incident investigation, and test generation.
  • Use component testing, service virtualization, and contract testing to reduce dependencies and enable independent team testing.
  • Define test data strategies and environment requirements for automated and exploratory testing.

About the Company

Capital on Tap

SME-focused business credit cards & funding

Capital on Tap provides business credit cards and working capital for small and medium-sized enterprises (SMEs) in the United States and the United Kingdom. It offers a high-spending-limit business card and earns revenue from interest on credit lines and card transaction fees, backed by sizeable funding facilities; it also partners with banks like ClearBank to offer additional products such as business savings accounts. The company differentiates itself by targeting SMEs with a broad set of financing options and partnerships that expand its financial toolkit across two countries. Its goal is to help SMEs manage finances and access affordable funding to run and grow their businesses.

Company size
1,001-5,000
Company stage
N/A
Total funding
$4.4B
Headquarters
London, United Kingdom
Founded
2012

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