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Senior QA Engineer (Integration Testing)
Alongside
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 11/4/2026
About this role
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.