We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Full Stack Engineer to join us in building it from the ground up. This is a newly formed team, not a legacy product, so you’ll be part of shaping how it works from early on The current stack is Vue.js on the frontend and Python on the backend, with a planned migration to .NET in the near future. We’re looking for someone who can work across these three technologies — or is eager to grow into them — contributing to both new features and the upcoming stack migration, with support from more senior team members along the way You’ll be joining a brand-new team at an early stage, led by our Tech Team Lead, as we build it out together. Alongside you, we’re bringing on a Senior Full Stack Engineer and a Product Manager. It’s a great opportunity to grow your skills in a close-knit, collaborative setting where your voice genuinely shapes how the team develops and works together 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 support fellow developers, QA professionals,



and support teams Supporting team leaders with your expert knowledge and assist in customer meetings Collaborating with our Site Reliability Engineer (SRE) on CI/CD pipelines to ensure seamless operations In one year, you’ll know you were successful if.. You are fully integrated as part of the team and have built strong working relationships You actively contribute to maintaining a positive, collaborative, and knowledge-sharing team atmosphere You take full ownership of products and solutions, having delivered several major features to production with measurable impact You share your expertise by mentoring mid-level and junior developers, helping them grow and succeed You contribute to improving team processes, code quality, and technical decision-making

Solid understanding of software architecture, design patterns, and best practices Experience with C# and the .NET ecosystem (.NET Core/.NET 6+, ASP.NET Web API, etc.) DevOps experience: CI/CD pipelines, Infrastructure as Code (Terraform, Helm, etc.), Docker, Kubernetes, cloud services (Azure, AWS, or GCP) Solid understanding of RESTful API design and integration Familiarity with asynchronous programming and performance optimization in .NET Motivational and engaging with a “can do” attitude, fostering a positive team environment Ability to collaborate effectively in cross-functional teams, including product, design, and QA Experience with version control systems (e.g., Git) and CI/CD practices Comfortable working in agile development environments and participating in sprint planning, code reviews, and peer mentoring Basic understanding of frontend build tools and state management (Vuex, Pinia, or similar) Experience with automated testing frameworks (unit, integration, and end-to-end) Strong problem solving

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📌 Full Stack Engineer (Madrid)
🏢 LanguageWire
📍 Madrid