At Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet.
We are one of the world’s largest and most influential open-access research publishers. Every article we publish is peer-reviewed and quality-certified, ensuring research is accessible to everyone, everywhere. To date, Frontiers research has been viewed over 4 billion times, demonstrating the real-world impact of science without barriers.
Joining Frontiers means being part of a integral, mission-driven organisation at the intersection of science, technology, and innovation — working alongside passionate colleagues who care deeply about advancing knowledge for the benefit of society.
To learn more about our impact and culture, please watch this video:
About the Role: We are looking for an enthusiastic Full Stack .NET Engineer to join our team. You will work in the Researcher Profiles Service team, where we build and manage a global-scale academic data platform. We have fully embraced AI-based spec-driven design, integrating AI throughout the entire software development lifecycle. It’s how we work.
You will take ownership of high-impact projects and drive them to success in a team that’s redefining how modern software is built.
Design, develop, and maintain scalable, high-performance web applications using .NET and Vue.js.
~ NET and Vue.js.
~ Collaborate within a multinational, cross‑functional team to deliver software solutions aligned with business needs.
~ Ensure the quality of the delivered solutions.




~ Optimise applications for performance, scalability, and responsiveness.
~ Conduct code reviews and mentor junior engineers.
~ Willingness to learn, flexible approach, and staying current with emerging trends in IT to maintain an up-to-date technology stack.
~ Demonstrable experience in owning and driving full‑stack projects end‑to‑end, from the specification refinement phase to the production monitoring.
~5+ years of experience in software engineering, specializing in .NET Core/Framework.
~3+ years of hands‑on experience with modern frontend frameworks (Vue 3 is a plus).
~ Familiar with Agile/Scrum methodologies.
~ Deep expertise in Vue.js, including Vue 2 and Vue 3, with a strong understanding of state management, component‑based architecture, and best practices for building scalable front‑end applications.
~ Strong expertise in SQL Server, including performance tuning, indexing strategies, query optimization, and troubleshooting production issues.
~ Heavy experience in implementing APIs with REST and GraphQL.
~ Solid understanding of microservices and micro‑frontend concepts.
~ Collaborative and thriving in a hybrid environment.

Experience with NoSQL databases (MongoDB).
~ Docker, Kubernetes).
~ We prioritise office presence and emphasise in‑person collaboration, but also offer appropriate adjustments where needed, in line with company policy.
~ Extra wellbeing days on top of your annual leave allowance.
~ 24/7 confidential Employee Assistance Programme (wellbeing, mental health, legal & financial support).
~ Competitive local benefits country dependent (e.g., healthcare and pension/retirement provision).

📌 Engineer - Software Engineering (Madrid)
🏢 Frontiers Media
📍 Madrid