SENIOR TEST ENGINEER

Job Title: Senior Test Engineer
Location: Dublin,
Department: Portfolio’s
Join our Dublin office, as a Senior Test Engineer, working with the Portfolio’s team.
You are expected, if successful, to work 50% of the week in the office.

JOB PROFILE

We are seeking a highly skilled Senior Test Engineer to join our advanced engineering team. This role is critical in ensuring the quality and reliability of our data-driven solutions.
Your work matters: Instead of reactively testing code before production, you will proactively participate in code and architecture design from the ideation stages on, providing expert opinion on how to ensure resulting products are up to the highest quality standards of testability, reliability, and visibility.
As development work carries on, you will focus on testing APIs, data and databases, the infrastructure that supports our high-volume – multiple data sources, Terabytes of total data with ingestion frequencies from daily, monthly to streaming - high-throughput data and API platform.

SKILLS AND QUALIFICATIONS

• Experience: Proven experience in software testing with a focus on data engineering, data pipeline testing, and API testing in complex environments.
• Technical Skills: Strong proficiency in Python for writing test scripts and automation. Experience with AWS services, including S3, and DynamoDB, is essential.
• Problem-Solving: Analytical skills, capable of understanding and testing complex data flows and integrations.
• Automation Expertise: Proven ability to build and maintain test automation frameworks that integrate with CI/CD pipelines, ensuring consistent and repeatable test results.
• Communication: Able to clearly articulate issues, solutions, and recommendations to both technical and non-technical stakeholders.
• Cooperation: Our teams have a focus on constant learning and empowerment – you will not just help us test our code, but help us improve how we design, architect and ensure quality.
• Leadership: Experience mentoring junior test engineers, sharing best practices, and leading testing efforts on complex projects.

• Shift-Left Testing: You will participate with Product and Engineering from the earliest stages to contribute to systems design and architecture, ensuring that quality remains a focus from day zero.
• API Testing: Develop and implement automated tests for our high-availability, low-latency APIs, ensuring they meet performance and reliability standards under various load conditions and deliver to our customers’ expectations.
• Data Validation: Verify the correctness, freshness and completeness of data transformations and integrations across multiple data sources, including S3, Aurora, Postgres and DynamoDB.
• Data Pipeline Testing: Design and execute automated tests for complex data pipelines that handle billions of objects, ensuring data integrity, accuracy, and performance from ingestion to delivery.
• Automation: Lead the development and expansion of test automation frameworks using tools like PyTest and Azure DevOps, integrating them into our CI/CD pipelines for continuous testing.
• Collaboration: Work closely with data engineers, developers, and product owners to understand data flows, business logic, and requirements, ensuring that all new features are tested thoroughly before deployment.
• Troubleshooting: Analyse and troubleshoot issues within the data pipelines and APIs, providing detailed bug reports and working with the engineering team to resolve them.
• Performance Testing: Conduct performance testing on data pipelines and APIs, identifying bottlenecks and working with the team to implement improvements.
  **Please note that the responsibilities listed above are not exhaustive.