Senior QA Engineer

Senior QA Engineer - Job DescriptionLocation: Belfast, Northern Ireland · Full-timeAbout The PositionUpwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensuring teams focus on what truly matters. With industry-leading efficiency and eBPF-powered sensors, Upwind delivers comprehensive capabilities, including agentless cloud posture discovery, real-time threat protection, and integrated API security. From misconfigurations to malware defense, Upwind ensures end-to-end, cost-effective cloud infrastructure protection. At Upwind, you'll have the opportunity to think creatively, explore new ideas, and use your skills to make a meaningful impact on our growth.We are looking for an experienced Senior QA Engineer to lead testing across several of our engineering teams in Belfast. This is a hands-on engineering role: writes test code every week, the person in it builds and maintains test frameworks, and sets the standard for how the teams around them test their own work. Spanning back-end services in Golang and Java and front-end applications in React TS, the teams build distributed scanning systems across all major cloud providers (AWS, GCP, Azure, Oracle), running on Kubernetes, Docker, Neo4j, ElasticSearch, Redis, TimescaleDB, RabbitMQ, and more.ResponsibilitiesDesigning, building and maintaining test frameworks and tooling for services, APIs and the user interface, and keeping them fast, reliable and easy for engineers to extendWorking with teams to create test strategies and deciding what is tested at which level (unit, integration, contract, end-to-end) so that most coverage sits below the user interfaceIntegrating automated tests into continuous integration and deployment (CI/CD) pipelines as quality gates, and treating flaky or slow tests as defects to be fixedAdvocating for testing best practice, and writing the standards, examples and documentation that teams adopt as their defaultTeaching engineers testing concepts, frameworks and techniques through pairing, code review, workshops and written guidesReviewing test code and production code with a testing lens, and giving clear, constructive feedback that raises the quality of bothWorking with engineers to make services testable in isolation: interface contracts, test data, ephemeral environments and known-correct expected resultsBuilding test data sets and cloud test environments that let us verify the accuracy of security findings, not only that the code runsContributing to performance, load and reliability testing, and helping teams define measurable quality targetsMeasuring and reporting on quality (escaped defects, test coverage, pipeline stability) and using the results to decide where to invest nextInterfacing with other teams (e.g. Backend, Frontend, DevOps, Product, Customer Success) to reproduce customer issues, agree acceptance criteria and deliver best-in-class featuresWe operate on a hybrid working model, with three days per week in our impressive Custom House Square offices (Tuesdays, Wednesdays and Thursdays) and the remaining days working remotely.