SDET / QA Engineer (+AI evaluation)

We are looking for a QA Engineer or Software Development Engineer in Test (SDET) who shares the same values of pragmatism, professionalism, and transparency that we do. Working from anywhere in Spain, we support our clients in many ways and you will have the opportunity to work on a wide range of projects.

You will evaluate, validate and improve quality across teams, participate in developing and executing exploratory and automated tests to ensure software quality. You might also review system requirements and track quality assurance metrics (e.g. pass rate, defect densities and open defect counts.) as well as liaise with various stakeholders (technical and business) from Codurance and our client’s teams.

Responsibilities

• Take ownership of a Python LLM evaluation tool, diagnostic suite, and golden datasets, with the goal of raising pass rates on production AI agents.
• Refine scoring criteria and design multi-turn conversational evaluations for AI agents.
• Set up automated regression testing for core product flows using Playwright, covering integrated workflows and third-party channels.
• Implement SonarQube quality gate monitoring and daily deviation reporting
• Partner with senior stakeholders on the QA strategy, standards, and continuous improvement

• Estimate, prioritize, plan, and coordinate testing activities
• Stay up-to-date with new testing tools and test strategies

Requirements

• At least 4 years of experience in a similar role
• Fluent in Spanish and English (speaking and writing)
• Consultancy experience and an open mind around what is quality (adapting to clients)
• Hands-on experience with Playwright, SonarQube and other testing tools (Cucumber, Selenium, Appium, Jenkins)
• Knowledge of CI/CD tools and processes
• Continuous learning (keep up to date with advancements in the market), curiosity
• Strong programming skills with Python (other stacks are a plus)
• Practical experience in AI evaluation (LLM evals, agent testing, multi-turn chat scoring, golden dataset management).

It would be a bonus if you also have:

• QA strategy knowledge (holistic testing, Agile testing Manifesto, ...)
• Anthropic certification
• Experience with performance/load testing for AI agents/call center agents, and multi-channel integration
• Familiarity with BDD and TDD
• ISTQB certificate

Benefits

What's in it for you?

The gross annual salary range for this role is 38,000€ to 43,000 €.

• Transparency - all of our salary bandings and company finances are available to everyone from day one.
• Personal Learning Budget - Access to Learnerbly, our online learning & development tool, to support your personal development and career progression here.
• Training - No fixed training budget. So long as the course is relevant for the company and you'll do a lightning talk on the subject, we’re happy to pay for it.
• Working 100% remote (or hybrid if you want to drop by the office from time to time)
• Private medical and dental insurance
• Restaurant, transport and nursery tickets (retribución flexible/ tax deductible)
• Gym discounts
• Language classes (Spanish, English, French, German)
• You choose between Linux, Mac or Windows!
• Our People - You’ll be working alongside Craftspeople whether that’s on a client project or contributing to our internal projects.

We are interested in every qualified candidate who is eligible to work in the EU. However, we are not able to sponsor visas or provide relocation assistance for this role.

Everyone should have the right to bring their whole self to work and be celebrated for who they are. Our people are hired purely on their commitment to these values and their ambition to deliver outstanding results for our clients. Codurance is proud to be an Equal Opportunities Employer and is committed to fostering an inclusive workplace.