Quick Summary
We are seeking an enthusiastic and highly skilled Quality Assurance (QA) Developer to join our fast-paced and innovative digital marketing agency. As a key member of our development team, you will collaborate closely with developers to design, develop, and maintain robust backend systems that power our clients' websites and applications.
Applicants must be fluent in Spanish and English, as interviews will be conducted in both languages. Please submit your resume in English.
What You'll Do
- Work closely with our Technology Lead, IA Developers, and UX/UI Design Lead to test and develop new features.
- Review AI-assisted code before client delivery, ensuring it meets ticket requirements, adheres to conventions, and is free from invented APIs or plausible bugs.
- Collaborate with our AI Developer to diagnose and fix issues, determining the root cause, the appropriate solution, and potential risks to other systems.
- Trace issues to their origin—whether front-end, back-end, or prompt—and ensure the fix is fully implemented.
- Proactively attempt to break our AI features and meticulously document every successful case.
- Monitor Web Speed Optimization efforts following each release.
- Report proactively to our internal Project Manager and IA Developers, managing your schedule to ensure all deadlines are met.
- Embrace a builder's mindset, taking on development tasks alongside the AI Developer for both internal tools and client features as you gain proficiency.
Who You Are
- Located in Europe, with the ability to work in accordance with our Spain office’s working hours (10am-6pm CET).
- Fluent in Spanish and possess professional working English proficiency.
- Approximately 1 year of experience in web development or Quality Assurance.
- Able to read and write JavaScript, and comfortable working with a modern framework (React or Vue).
- Possess working knowledge of HTML5 and CSS3, sufficient to identify layout, responsive design, and cross-browser compatibility issues.
- Understand back-end logic (PHP and/or Node) to follow a feature's implementation from end to end.
- Experience testing REST or GraphQL endpoints.
- Experience working within Git and in an Agile development environment.
- Comfortable utilizing AI assistants as part of your workflow, including writing effective prompts, critically reviewing generated code, and discerning when to trust the output.
- Any hands-on experience with Large Language Models (LLMs), including personal projects.
- A keen eye for detail, interactivity, and animation.
- A true team player who collaborates effectively with others.
Perks and Benefits
- 15 observed holidays + 23 PTO days per year.
- Indefinite contract following a trial period of 6 months.
- Permanent remote work + work-from-home stipend.
- Dedicated budget for professional development.
- Compensated onsite retreats at our Bilbao HQ.
- The opportunity to join a dynamic, close-knit team that enjoys working with and for each other every day.
About Terra
Terra is a digital marketing and creative agency built by an integrated and international team of content creators, strategists, designers, and developers. We help organizations reimagine and deliver their most ambitious digital projects and initiatives by acting as an extension of our clients’ teams and delivering exceptional online experiences, content, and marketing strategies.
Our team is innovative, tech-forward, and creative by nature. We are dedicated to pushing boundaries and staying ahead of the curve in today’s ever-evolving digital landscape. We believe in the power of collaboration and foster a work environment that encourages creativity and growth. With a strong focus on work-life balance, we prioritize the well-being and career development of our team members. Finally, we are committed to promoting from within and offering meaningful opportunities for professional growth.
Terra is also an equal opportunity employer.
We recruit, employ, train, compensate, and promote team members regardless of their race, religion, color, national origin, sex, disability, age, veteran status, or any other protected status (as required by applicable law).
Our top goal as an employer is to bring together a diverse mix of talented people who are excited to join our company, stay with Terra for a long time, and do their best work while they’re here. We take pride in the quality of the services and work we provide to our clients, and we know none of it is possible without the hard work and commitment of our passionate and creative employees.


