Senior TDD BDD Selenium Automation QA Engineer -

Discover your future at Citi

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Job Overview

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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.
  

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Job Family Group:

Technology

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Job Family:

Technology Quality

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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