QA Engineer (Madrid)

QA Engineer (Madrid)

Join to apply for the QA Engineer role at LanguageWire
Join to apply for the QA Engineer role at LanguageWire
LanguageWire is a general leader in language and content services, dedicated to helping brands achieve their full global potential. Since our founding in 2000, we have continuously evolved and developed unique technology to facilitate seamless multilingual communication. Our worldwide network of language experts, coupled with an intuitive online platform, makes it effortless for brands to translate and manage multilingual content. Sounds interesting? Yes? You should definitely read on!
The role you'll play
As QA Engineer, you will ensure the quality and reliability of our applications by designing and executing test plans,



identifying bugs, and driving automation.
The team you'll be a part of
You will work in the Machine Learning Products & APIs Team, where we build APIs and products around LanguageWire Machine Learning models. You will be ensuring the performance and quality of internal APIs and how they integrate with other products and services. You will be also responsible for the quality of customer-facing products like LanguageWire Translate, LanguageWire's machine translation (MT) solution. We constantly explore and apply state-of-the-art approaches and advancements in the field. With a research-based approach and the use of the latest technologies, we push boundaries to deliver innovative solutions.
You will collaborate closely with Product Managers, Full-Stack Engineers, Machine Learning Engineers, Data Engineers and reporting to your Team Lead.
What's in it for you?
Join a fast-growing AI & ML product team transforming the translation and content space
Opportunity to shape quality practices and automation culture in a highly technical tribe




Work alongside passionate engineers and researchers in a collaborative, respectful environment
If you want to make a difference, make it with us by...
Driving quality initiatives in a cross-functional team of 10-12, shaping and improving our QA strategy and automation coverage
Identifying and resolving usability issues, bugs, and edge-case scenarios
Contributing to the continuous evolution of our testing frameworks and CI/CD pipelines
Ensuring seamless performance of web interfaces (esp. Vue) and API integrations (Python)
Owning the QA lifecycle from planning to release validation for various applications
Designing, implementing, and maintaining automated test scripts using Playwright, Cypress, or similar tools
Writing clear and actionable test cases and scenarios, ensuring maximum test coverage




Defining and documenting test strategies and testing approaches, along with creating test plans
Performing regression, integration, exploratory, and usability testing across web and backend services
Performing manual testing for complex scenarios where automation is not feasible.
Collaborating closely with PMs & engineers to define acceptance criteria and improve testability
Contributing to post-release testing, performance benchmarking, and root cause analysis of production issues
Supporting a shift-left testing culture by coaching developers on quality practices
Motivational and engaging with a "Can do" attitude, fostering a positive team environment
Desired experience and competencies
What does it take to work for LanguageWire?
What you'll need to bring
3+ years of hands-on QA experience with a strong focus on automation testing
Proficiency with Playwright,



Cypress, or Selenium for test automation
Experience testing REST APIs and understanding backend systems, preferably written in Python
Experience with asynchronous processing (e.g. RabbitMQ)
Familiarity with version control (Git), CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins, etc.)
Deep knowledge of QA methodologies, techniques, and best practices
Experience producing and maintaining key test assets: test plans, checklists, bug reports, and test data
Excellent communication and collaboration skills across technical and non-technical teams
Fluency in English (spoken and written)
This will make you stand out
Experience with performance testing tools (e.g., Gatling, JMeter)
Knowledge of accessibility and security testing practices
Familiarity with tools like Postman




Familiarity with containerization (Docker, Kubernetes) and cloud platforms (Azure, GCP, AWS)
Contributions to open-source test frameworks or communities
Background in testing ML-based applications or data pipelines
Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas
Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture
International company with over 400 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg, Zurich, Atlanta, Finland and Valencia
For this role, we have a full-time option for remote work. Of course, you are always welcome at the office to collaborate and connect with your colleagues.




We take care of our people and initiate many social get-togethers from Friday Bars a to Summer or Christmas parties. We have fun!
200 great colleagues in the Valencia office belonging to different business departments
Excellent location in cool and modern offices in the city center, with a great rooftop terrace and a view over the Town Hall Square
Private health insurance
Working in an international environment—more than 20 different nationalities
A dog friendly atmosphere
Big kitchen with access to organic fruits, nuts and biscuits and coffee.
Social area and game room (foosball table, darts, and board games)
Bike and car parking
About LanguageWire
At LanguageWire, we want to wire the world together with language. Why? Because we want to help people & businesses simplify communication. We are fueled by the most advanced technology (AI)



and our goal is to make customer's lives easier by simplifying their communication with any audience across the globe.
We are curious. We are trustworthy. We are caring. We are ambitious.
At LanguageWire, we are curious and intrigued by what we don't understand. We believe relationships are based on honesty and responsibility, and being trustworthy reinforces an open, humble, and honest way of communicating. We are caring and respect each other personally and professionally. We encourage authentic collaboration, invite feedback and a positive social environment. Our desire to learn, build, and share knowledge is a natural part of our corporate culture.
Working at LanguageWire — why we like it:
"As a Senior Full Stack Engineer at LanguageWire, my day is dynamic and collaborative, particularly within the Machine Learning team.



I work closely with Machine Learning Engineers to integrate advanced AI capabilities into our web applications and APIs, aiming to enhance customer experiences through innovative features. I also collaborate with other development teams to ensure seamless integration and alignment of our technology solutions, fostering continuous learning and driving the evolution of LanguageWire's technology."
(Cristian, Senior Full-Stack Engineer, Poland)
"What I enjoy the most about being a QA Engineer at LanguageWire is testing the products we provide to our customers. It feels rewarding to assure the quality and reliability of our designs. I also enjoy the teamwork involved in my job since I collaborate with many people, ranging from developers to product managers and linguists. In this way, I play a role in ensuring our projects' success, which is incredibly gratifying. I love knowing my work influences the outcome of our production of high-quality products for our customers. I also have the opportunity to work with the latest technologies adds an exciting challenge to my role."
Yes, to diversity, equity & inclusion
In LanguageWire, we believe diversity in gender, age, background, and culture is essential for our growth. Therefore, we are committed to creating a culture that incorporates diverse perspectives and expertise in our everyday work.
LanguageWire's recruitment process is designed to be transparent and fair for all candidates. We encourage candidates of all backgrounds to apply, and we ensure that candidates are provided with an equal opportunity to demonstrate their competencies and skills.
Want to know more?
We can't wait to meet you! So, why wait 'til tomorrow? Apply today!
If you want to know more about LanguageWire, we encourage you to visit our website!
Seniority level Seniority level Mid-Senior level
Employment type Employment type Full-time
Job function Job function Engineering and Information Technology
Industries Translation and Localization
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📌 QA Engineer
🏢 LanguageWire
📍 Madrid

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