Senior Test Engineer

We are looking for a Senior Test Engineer to work in our Dublin office. This role will require you to attend the office 50% of the week. About CreditsafeCreditsafe is a global leader in business data, providing insights on 320 million companies across more than 100 countries. As a company rooted in data, Creditsafe is scaling rapidly, driving innovation and growth through comprehensive data collection and processing. Our mission is to empower clients with actionable insights derived from vast, complex data sets.Quality and customer-focus are central to what we do. Our services inform business-critical decisions worth millions to our customers, and they expect our services and data to be reliable, accessible, accurate and fresh at every moment.About the OpportunityWe 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 mattersInstead 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. Your expertise will ensure that our data delivery systems are robust, scalable, and meet the needs of our global client base.What You Will Be Doing: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.What Are We Looking For?Experience: Minimum 8 years of 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: High IQ with exceptional 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: Excellent communication skills, 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.Why Creditsafe?Be a driving voice: We value ideas for what they bring to the table, not the title of the person providing them. We seek free-thinkers who will help us improve together.Career Growth: Clear progression paths with opportunities to take on technical leadership roles or explore adjacent areas of interest. Your growth is our growth.Continuous Learning: Access to extensive learning resources, with dedicated time each week for skill development and opportunities to share workshops, lessons and guides across teams.Work-Life Balance: Flexible working hours and hybrid work options to support a balanced lifestyle. We work towards goals, not timesheets.Innovation: Be part of a dynamic environment where cutting-edge technologies in cloud computing and data management are at the forefront of our projects.Collaborative culture: Embrace our open approach to embracing individual creativity and letting anyone contribute ideas that improve us as a whole; including company-wide hackathons and innovation days that give everyone free rein to break out of the box and offer new ideas, approaches or even products that empower us to the next level.Our Technology Stack: Python, Linux, AWS DynamoDB, S3, Postgres, Glue, Athena, Lambda, API Gateway, Step Functions, Docker, Terraform, CI/CD