We're looking for a Senior Test Automation Engineer (Contract) to join our team in Belfast, United Kingdom in a hybrid working mode. In this role, you will take ownership of the testing strategy for a complex, containerized microservice architecture. You will enhance existing frameworks, extend automation capabilities across integration, performance and CI/CD, and drive best practices to ensure high-quality delivery.
Responsibilities
- Architect and enhance test frameworks to improve end-to-end testing strategy and integration validation for microservices
- Develop robust integration tests within a containerized environment using Docker and Java containers
- Build and maintain automated test scripts for frontend systems using TypeScript and Playwright
- Develop and maintain backend and API testing solutions for services communicating via mechanisms like SNS queues
- Standardize and extend Python-based tools for exploratory and manual testing support
- Shape performance testing strategy to identify bottlenecks and optimize system responsiveness
- Integrate automated tests into CI/CD pipelines using GitLab and evaluate trade-offs between main development flow and separate pipelines
- Drive adoption of automation best practices, design patterns and effective test data management strategies across the team
Requirements
- Proven experience designing and building automated test solutions for complex, distributed systems
- Strong proficiency in Java and/or TypeScript for backend and frontend test automation
- Hands-on experience with Playwright for frontend testing
- Experience with containerized test environments using Docker
- Expertise in CI/CD pipeline integration and strategy, preferably with GitLab
- Proficiency with Python for scripting and tooling development
- Deep understanding of testing within a microservice architecture, including integration testing patterns and challenges
- Ability to articulate and defend technical decisions, including test data strategies, test design patterns and CI/CD trade-offs
Nice to have
- Experience testing asynchronous systems and message queues such as AWS SNS/SQS
- Familiarity with performance testing tools and methodologies
- Strong understanding of Agile delivery and DevOps practices
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