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
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Architect and enhance test frameworks to improve end-to-end testing strategy and integration validation for microservices
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Develop robust integration tests within a containerized environment using Docker and Java containers
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Build and maintain automated test scripts for frontend systems using TypeScript and Playwright
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Develop and maintain backend and API testing solutions for services communicating via mechanisms like SNS queues
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Standardize and extend Python-based tools for exploratory and manual testing support
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Shape performance testing strategy to identify bottlenecks and optimize system responsiveness
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Integrate automated tests into CI/CD pipelines using GitLab and evaluate trade-offs between main development flow and separate pipelines
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Drive adoption of automation best practices, design patterns and effective test data management strategies across the team
Requirements
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Proven experience designing and building automated test solutions for complex, distributed systems
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Strong proficiency in Java and/or TypeScript for backend and frontend test automation
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Hands-on experience with Playwright for frontend testing
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Experience with containerized test environments using Docker
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Expertise in CI/CD pipeline integration and strategy, preferably with GitLab
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Proficiency with Python for scripting and tooling development
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Deep understanding of testing within a microservice architecture, including integration testing patterns and challenges
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Ability to articulate and defend technical decisions, including test data strategies, test design patterns and CI/CD trade-offs
Nice to have
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Experience testing asynchronous systems and message queues such as AWS SNS/SQS
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Familiarity with performance testing tools and methodologies
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Strong understanding of Agile delivery and DevOps practices
