QA Automation Engineer

4 days ago

Belfast Northern Ireland United Kingdom Citigroup Inc. Full time

Job Description: Quality Engineer – Modern Testing Practices

About the Role

We are seeking a highly skilled and hands-on Senior QA Engineer to drive modern quality engineering practices within our teams. You will be instrumental in ensuring the highest software quality by leveraging test automation, TDD, BDD, trunk-based development, security testing, and modern ways of working.

This role requires deep technical expertise in automation frameworks, system design for testing, and vulnerability assessment to build reliable, scalable, and secure applications.

Key Responsibilities

Quality Engineering & Automation

  • Design and implement automated test strategies for functional, integration, performance, and security testing.
  • Drive test-first development approaches such as TDD (Test-Driven Development) and BDD (Behavior-Driven Development).
  • Develop and maintain high-quality automated test scripts using modern testing frameworks (e.g., Selenium, Cypress).
  • Develop and execute comprehensive test plans, test cases, and test scripts to ensure product quality and reliability.
  • Ensure unit, API, and end-to-end test coverage to maintain product reliability.
  • Integrate automated tests within CI/CD pipelines for continuous validation.

Engineering Excellence & Best Practices

  • Champion trunk-based development, ensuring testing is embedded throughout the development lifecycle.
  • Collaborate closely with developers to conduct code reviews with a focus on testability, security, and performance.
  • Perform vulnerability assessments and implement security testing best practices.
  • Enhance observability by integrating real-time monitoring, logging, and reporting into the QA process.

Technical Leadership & Collaboration

  • Partner with software engineers, architects, and product teams to design scalable, testable, and resilient systems.
  • Mentor junior QA engineers, fostering a culture of continuous learning and quality-first mindset.
  • Work closely with DevOps teams to optimize automated test execution in cloud environments.
  • Define and implement modern ways of working, driving innovation in testing methodologies.

Skills and Qualifications

Must-Have Skills:

  • Strong hands-on experience in test automation using tools like Selenium, Cypress, Playwright, or similar.
  • Proficiency in building robust test frameworks.
  • Deep understanding of system design for scalable test automation.
  • Expertise in TDD, BDD, and test automation best practices.
  • Experience in trunk-based development and continuous testing within CI/CD pipelines.
  • Strong knowledge of code review practices, security testing, and vulnerability scanning.
  • Familiarity with performance, load, and stress testing tools like JMeter.
  • Experience with cloud-based testing environments (AWS, Kubernetes).

Good-to-Have Skills:

  • Experience with contract testing (PACT) in microservices architecture.
  • Knowledge of containerization (Docker, Kubernetes) for testing environments.
  • Exposure to shift-left testing strategies.

By joining Citi Belfast, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

  • Generous holiday allowance starting at 27 days plus bank holidays; increasing with tenure.
  • A discretional annual performance related bonus.
  • Private medical insurance packages to suit your personal circumstances.
  • Employee Assistance Program.
  • Pension Plan.
  • Paid Parental Leave.
  • Special discounts for employees, family, and friends.
  • Access to an array of learning and development resources.

Alongside these benefits, Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.

Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.

Job Family Group: Technology

Job Family: Technology Quality

Time Type: Full time

Citi is an equal opportunity and affirmative action employer.

Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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