Software QA Automation Engineer

We are Merlin Digital Partner ! A leading IT and Digital headhunting company who stands out from the crowd, boasting over a decade of experience. We've successfully collaborated and played a pivotal role in the growth of industry heavyweights such as Wallapop, Glovo, Banc Sabadell, and Duracell, among others. Our emphasis lies in people-centric approaches and optimizing the selection processes . Our mission is to revolutionize companies by seamlessly integrating top-tier talent . What sets us apart is our in-depth understanding of each partner (being their best influencer!), addressing not only their needs but also capturing their essence. Our partner is a fast-growing HealthTech company developing connected technologies at the intersection of hardware, embedded systems, IoT, AI and digital health . Their technology transforms everyday environments into intelligent health platforms, enabling seamless and continuous health monitoring. We are currently looking for a Senior Software QA Automation Engineer to join their Engineering team and help ensure the quality, reliability and scalability of their next generation of connected health products. Mission: As a Senior Software QA Automation Engineer , your mission will be to own and evolve the testing strategy, automation frameworks and release validation processes across the software development lifecycle. You will play a key role in increasing automated test coverage, identifying risks early and ensuring products are robust, scalable and production-ready. Working closely with Backend, Frontend, Embedded and Product teams , you will help build a strong quality culture across Engineering, ensuring that quality is embedded throughout the development process rather than treated as a final validation step. The Role: You will be responsible for: - Defining and owning the software QA strategy across the product lifecycle. - Planning and executing validation processes before production releases . - Defining release acceptance criteria and quality gates . - Performing functional, regression and integration testing . - Identifying quality risks early and helping prevent production issues. - Designing, building and maintaining automated testing frameworks . - Increasing automated test coverage across backend services, frontend applications and APIs . - Developing and evolving unit, integration and end-to-end testing strategies . - Integrating automated tests into CI/CD pipelines . - Working closely with Engineering teams to improve code quality and testability . - Reviewing software changes and identifying potential quality risks. - Analyzing bugs, reproducing issues and performing root-cause analysis . - Defining and monitoring quality metrics such as test coverage, regression stability, production incidents and release quality . - Analyzing production issues through logs, metrics and monitoring tools . - Promoting testing best practices and a quality-first engineering culture across teams. - Continuously improving testing processes, automation workflows and engineering practices. What we need: - 5+ years of professional experience in QA Automation, Software Engineering or Quality Engineering . - Strong programming skills in Python . - Proven experience designing, developing and maintaining automated testing frameworks . - Hands-on experience testing REST APIs, backend services and web applications . - Strong understanding of software testing methodologies, including unit, integration, end-to-end and regression testing . - Experience integrating automated tests into CI/CD pipelines . - Experience with Git and collaborative software development workflows . - Experience participating in code reviews and proactively identifying potential quality risks. - Strong debugging, analytical and root-cause analysis skills . - Experience working closely with developers and multidisciplinary teams in Agile environments . - A strong understanding of how to build maintainable, scalable and reliable testing strategies . - Professional English level . - Disponibilidad para acudir a oficinas 3 días a la semana. Nice to Have - Experience with automation frameworks such as Pytest, Playwright, Selenium or Cypress . - Experience testing REST APIs and system integrations using tools such as Apidog, Postman or Insomnia . - Experience with code quality and test coverage tools such as SonarQube, Codecov or Coverage.py . - Experience with CI/CD platforms such as GitHub Actions, GitLab CI or Jenkins . - Experience with performance and load testing using tools such as Locust or JMeter . - Experience with application monitoring and error tracking tools such as Sentry . - Experience analyzing logs, metrics and observability data to investigate production issues. - Previous experience testing IoT products, connected devices or systems combining hardware and software . - Previous experience in startups, scale-ups or fast-growing technology companies . What we offer: - Join a fast-growing HealthTech company building a new generation of intelligent, connected health technologies. - Work at the intersection of embedded systems, hardware, IoT, cloud, AI and digital health . - Build technologies powering products already used by leading sports organizations and enterprise customers worldwide . - Take ownership of high-impact projects , from embedded software development through system integration and production. - Collaborate with a talented multidisciplinary team across Hardware, Backend, AI, Data and Product . - Have a visible impact on technical and architectural decisions as the platform and engineering organization continue to evolve. - Work in a fast-paced environment with a high level of autonomy and ownership . - Strong opportunities for professional growth and technical leadership as the company scales internationally. - Competitive compensation based on experience.