* We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Senior Full Stack Engineer to help build it from the ground up * This isn’t a legacy product handoff: you’ll be joining at the very start, shaping both the technical direction and the team culture from day one * The current stack is Vue.js on the frontend and Python on the backend, but we’re planning a migration to .NET in the near future * As the senior engineer, you’ll take a leading role in architecture decisions, technical direction, and mentoring as the team grows * You’ll be one of the founding members of a brand-new team, led by our Tech Team Lead * We’re actively growing the team and expect to bring on a Product Manager and one additional Engineer alongside you * This means you’ll have real influence over how the team is structured, how we work, and the technical foundations we build on — it’s a rare chance to help define a team’s culture and practices from the very beginning,



rather than stepping into something already set * Developing and maintaining applications, including front‑end interfaces, back‑end services, and databases * Contributing to the architecture, design and implementation of new features and improvements * Implementing best practices for code quality, testing and deployment automation * Ensuring high‑quality software through active participation in code reviews * Actively engaging in sprint retrospectives, refinements, daily stand‑ups, and other team processes * Taking full ownership of the products and solutions you develop, eliminating bugs early in the process through TDD/BDD and other tests * Leveraging AI‑assisted development tools and workflows to increase engineering velocity, while maintaining code quality and rigor * Sharing knowledge and supporting fellow developers, QA professionals, and support teams * Supporting team leaders with your expertise and assist in customer meetings * Owning CI/CD pipelines t

📌 Senior Full Stack Engineer (San Sebastián)
🏢 LanguageWire
📍 San Sebastián