📍 Madrid – Hybrid (3 days/week in the office)

🕒 Full-time

👋 About FERO

FERO is a fast-growing SaaS startup fixing broken checkout experiences for eCommerce brands. Every day, online businesses lose revenue due to slow, confusing, or poorly optimised checkouts.

FERO helps eCommerce brands increase conversion and revenue by turning checkout into a competitive advantage.

Quality and reliability are critical to our product—and that’s where you come in.

🚀 Why join FERO?

• Hybrid setup: 3 days per week in our Madrid office
• Fast-moving SaaS startup with high standards and real impact
• Opportunity to shape QA processes as the product scales
• Real ownership over quality, not just “testing tickets”
• Strong collaboration with Product and Engineering

🎯 About the role

As a QA Engineer at FERO , you will take ownership of quality across our checkout platform.

You’ll work closely with engineers and product managers to ensure new features are reliable, scalable, and ready for production. We’re looking for someone who can think critically about quality, spot risks early, and help improve how we test and release software.

💥 What you’ll do

• Own manual testing for new features, improvements, and releases
• Design and execute test plans and test cases for complex checkout flows
• Perform regression, exploratory, and edge-case testing
• Identify, document, and prioritize bugs with clear reproduction steps
• Collaborate with Engineering during development and release cycles
• Validate fixes and ensure production readiness
• Proactively improve QA processes, documentation, and standards

🧬 Who you are

• Experienced QA Engineer who understands quality beyond checklists
• Comfortable challenging assumptions and raising risks early
• Detail-oriented but pragmatic, you know when to go deep and when to move fast
• Strong communicator with engineers, product managers, and stakeholders
• Proactive, independent, and accountable for outcomes

🧾 Background (requirements)

• 3+ years of experience in a QA / testing role

• Solid understanding of:

1. e2e testing (Cypress/Playwright)
2. Component testing (Cypress component / Playwright / Testing Library)
3. Integration tests (FE - API)

• API testing (REST/GraphQL) - Postman / Insomnia / Newman

• Familiarity with FE:

1. React/Next apps
2. State management (Zustand/Redux)
3. Async rendering, hydration issues

• Experience testing web-based SaaS products

• Familiarity with bug tracking tools and release processes

• Solid understanding of web technologies, environments, and APIs

This role is fully English-speaking . You will work daily in English (meetings, documentation, and communication with the team), so professional fluency in English is required .

Nice to have

• Experience testing eCommerce, or high-traffic systems
• Experience testing payment providers or similar third-party SDKs

🧭 Hiring process

1. Application review
2. Introductory call
3. Practical QA / testing exercise
4. Interview with Engineering & Product team
5. Final conversation & offer

🔍 Ready to own quality?

If you’re a mid or senior QA Engineer who wants real ownership, real impact, and a product where quality truly matters, we’d love to hear from you .

Apply with your English CV and let’s talk.