Senior QA Engineer – Integration Testing

Alongside

. Take ownership of the end-to-end QA lifecycle, from requirements analysis and test planning to execution and post-production validation .

Posted 11/5/2026full-timePorto • PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Software Quality Assurance, focusing on back-end and integration testing, with a solid understanding of the QA lifecycle and proficiency in test automation using Python. Capable of collaborating with cross-functional teams to ensure quality standards and release readiness while employing strong analytical skills for defect management and root cause analysis.

Highest-signal resume keywords

Software Quality AssuranceBack-End TestingTest Automation with PythonDefect ManagementCI/CD Processes

ATS Keywords

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Hard Skills

Integration TestingRegression TestingTest Case DesignAPI TestingQuality Metrics MonitoringRoot Cause AnalysisTest Coverage DefinitionAutomated TestingTest Management ToolsLinux Environments

Soft Skills

Analytical SkillsProblem-SolvingOwnershipCollaborationCommunication

Tools & Technologies

JiraAI Testing ToolsAutomated Regression Testing

Industry Keywords

BankingCapital MarketsBrokerageTradingCash MarketsDerivatives MarketsOrder Management SystemsMarket DataClearing ProcessesSettlement Processes

Tech Stack

Tools & technologies

LinuxPythonGo

About the role

Key responsibilities & impact

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

What you’ll need

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
Experience testing applications within Banking, Capital Markets, Brokerage, or Trading environments, particularly cash and/or derivatives markets (nice to have)
Knowledge of trading platforms, order management systems, market data, clearing, or settlement processes (nice to have)
Experience using AI tools to support or improve testing processes, including test case generation, automation, and test analysis (nice to have)
Familiarity with CI/CD processes and automated regression testing (nice to have)

Benefits

Comp & perks

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