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About this Senior QA Engineer (Integration Testing) role at Alongside

Alongside · Onsite · Porto, Porto District, Portugal

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.
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About Alongside

🚀 Alongside | Build Great Products with Great Teams Alongside helps VC-backed start-ups, scale-ups and digital-first enterprises accelerate their roadmaps by assembling elite, time-zone-aligned teams of software engineers, product managers and UX/UI designers, often in under 14 days. Our Porto HQ sits in Europe’s fastest-growing tech hub and taps a vetted global talent pool that lets you ship faster, reduce burn and stay laser-focused on product-market fit. Why high-growth companies choose Alongside
• Top 1 % practitioners: rigorously screened full-stack, mobile, blockchain & AI/ML engineers, plus senior designers and product leaders.
• Flexible engagement models: scale a single specialist, an entire squad, or an autonomous build-and-ship pod
• End-to-end ownership: discovery → design → development → launch, with weekly velocity reports and transparent KPIs.
• Cost-efficient remote talent: New York, Porto, Pune & Hanoi offices give you round-the-clock progress without Silicon-Valley price tags.
• Proven track record: core Alongside team took Arkive, the world’s first decentralized museum, from idea to funded product. We helped Circuit Security to secure 4.5M in funding and many other startups.

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