Senior QA Engineer (Integration Testing)

Alongside partners with organizations to drive digital transformation and build high-performing tech teams . We are looking for a Senior Integration Quality Analyst to join a project with one of our clients operating in the financial markets industry . The ideal candidate will have strong experience in back-end and integration testing , combined with a solid understanding of quality assurance processes and release management. This role requires a hands-on, autonomous professional who can take ownership of QA activities, assess quality risks, and ensure that software releases meet the required quality standards. Responsibilities Take ownership of the end-to-end QA lifecycle , from requirements analysis and test planning to execution and post-production validation; Define and manage QA scope, test coverage, quality gates, and entry/exit criteria ; Design, execute, and maintain test cases for back-end applications, APIs, middleware, and system integrations ; Perform integration, regression, and automated testing , ensuring system reliability and stability; Identify, investigate, and track defects, performing root cause analysis when necessary; Assess release readiness , identify potential risks, and provide clear Go/No-Go recommendations ; Collaborate with development, business, and technical teams to ensure quality standards are met; Contribute to the continuous improvement of testing processes, automation, and quality assurance practices. Requirements 5+ years of professional experience in Software Quality Assurance, ideally in complex back-end or integration environments; Strong experience in back-end, middleware, and integration testing ; Solid understanding of the end-to-end QA lifecycle , including test strategy, planning, execution, defect management, regression testing, and release validation; Hands-on experience testing APIs, system interfaces, data flows, and dependencies between applications ; Experience defining and monitoring test coverage, quality metrics, and release readiness criteria ; Experience with test automation and good knowledge of Python for scripting and automation; Good knowledge of Linux environments ; Experience with test management and bug tracking tools , such as Jira or equivalent; Strong analytical and problem-solving skills, including root cause analysis ; Ability to work independently, take ownership of QA activities, and coordinate with multiple stakeholders; Fluent English , both written and spoken. Nice to have Experience testing applications within Banking, Capital Markets, Brokerage, or Trading environments , particularly cash and/or derivatives markets; Knowledge of trading platforms, order management systems, market data, clearing, or settlement processes ; Experience using AI tools to support or improve testing processes , including test case generation, automation, and test analysis; Familiarity with CI/CD processes and automated regression testing. Benefits Hybrid working model (4x Porto Office); Opportunity to work on challenging projects within the financial markets industry ; Collaboration with experienced technical teams in an international environment; Exposure to complex systems and integration environments; Professional growth and continuous learning opportunities.