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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