Software Engineer

Frontiers; Madrid; Presencial; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

A leading research publisher in Madrid is seeking an enthusiastic .NET Engineer to join their team. The role involves maintaining and improving complex systems while transitioning to a modern architecture. Key responsibilities include developing web applications using .NET and Vue.js, optimizing SQL Server performance, and collaborating within a multinational team. Ideal candidates will have 4+ years in software engineering and a solid understanding of SQL and Agile methodologies. This position offers a range of benefits, flexible working arrangements, and a commitment to diversity.

Servicios

4 additional wellbeing days

Access to learning platforms

Free online yoga classes

Employee assistance plan

Dedicated volunteer days

Formación

• 4+ years of software engineering experience, specializing in .NET Core/Framework.
• 3+ years of hands-on experience with SQL Server.
• Strong proficiency in object-oriented programming and SOLID principles.

Responsabilidades

• Design, develop, and maintain scalable web applications using .NET and Vue.js.
• Enhance existing solutions built with older .NET and Vue.js versions.
• Troubleshoot and optimize database performance.

Conocimientos

Software engineering (4+ years)

SQL Server (3+ years)

RESTful APIs

Agile/Scrum methodologies

Object-oriented programming

Problem-solving

Herramientas

Azure cloud platform

Monitoring tools (New Relic, Grafana)

CI/CD (Azure DevOps)

Docker

Kubernetes

Descripción del empleo

Who we are

We are on a mission to make all science open, enabling the research community to develop the solutions we all need to live healthy lives on a healthy planet.

Frontiers is one of the world’s largest and most impactful research publishers, dedicated to making peer-reviewed, quality-certified science openly accessible. Our articles have been viewed 4 billion times, reflecting the power of research that is open for all.

Follow the links below to learn more about our work.

www.frontiersin.org/about/annual-reports

www.youtube.com/watch?v=87ejFfnQzko

What we can offer you

At Frontiers, our working model for new roles includes a balanced approach that fosters collaboration through regular engagement at our office hubs in key locations. While we value flexibility, we also believe that shared in‑person time strengthens team culture, trust, and productivity.

We provide a range of benefits across our global locations, including but not limited to:

• 4 additional wellbeing days in addition to existing annual leave allowance

• Access to learning platforms and dedicated learning & development time

• A range of wellbeing initiatives, including free online yoga classes and an employee assistance plan

• Employees can dedicate three days each year to volunteer

• Additional benefits depending on your location (e.g. pension plan and private medical care)

About the Role

We are looking for an enthusiastic .NET Engineer to join our team in evolving Frontiers' publishing platform. The platform is large and complex, combining both modern and legacy technologies. This role involves maintaining and improving existing systems built with older technologies while contributing to the gradual transition toward a more modern and scalable architecture.

You will work across the stack, developing and maintaining features using .NET, Vue.js, and other technologies. As part of this transformation, you'll help rebuild legacy components with modern solutions, ensuring better performance, maintainability, and integration across the platform.

A deep knowledge in SQL, particularly with SQL Server, is crucial for this role, as you will work on optimizing database performance, troubleshooting complex queries, and ensuring data integrity.

Your focus on best practices, collaboration, and continuous improvement will be essential in driving the platform’s success. If you enjoy working with both existing and new technologies in a dynamic environment, we’d love to hear from you!

Key Responsibilities

• Design, develop, and maintain scalable, high‑performance web applications using .NET and Vue.js.
• Enhance and support existing solutions built with older versions of .NET and Vue.js.
• Troubleshoot and optimize database performance, including query optimization, indexing strategies, and transaction management in SQL Server and MongoDB.
• Collaborate with product managers, architects, and other cross‑functional teams to gather requirements, assess technical feasibility, and determine optimal implementation strategies.
• Collaborate within a multinational, cross‑functional team to deliver software solutions aligned with business needs.
• Write clean, maintainable, and efficient code while adhering to best practices.
• Ensure the quality of the delivered solutions.
• Optimize applications for performance, scalability, and responsiveness.
• Troubleshoot and resolve complex technical challenges.
• Conduct code reviews.
• Willingness to learn, flexible approach, and staying current with emerging trends in IT to maintain an up‑to‑date technology stack.

Required Skills and Experience

• 4+ years of experience in software engineering, specializing in .NET Core/Framework.
• 3+ years of hands‑on experience with SQL Server.
• Familiar with Agile/Scrum methodologies.
• Skilled in building and consuming RESTful APIs.
• Experience troubleshooting complex production issues using monitoring tools such as New Relic, Grafana, and others.
• Expertise in SQL Server, including performance tuning, indexing strategies, query optimization, and troubleshooting production issues.
• Hands‑on experience with the Azure cloud platform.
• Strong proficiency in object‑oriented programming and SOLID principles.
• Experience integrating AI solutions into customer‑facing applications.
• Proficient in leveraging AI to enhance daily engineering work.
• Solid understanding of microservices and micro‑frontend concepts.
• Excellent problem‑solving skills with a strong attention to detail.

Nice‑to‑Have Skills

• Experience with MongoDB.
• Experienced in implementing asynchronous microservice communication with RabbitMQ.
• 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.
• Exposure to CI/CD pipeline creation in Azure DevOps.
• Experience with containerization platforms (e.g., Docker, Kubernetes).
• Experienced with testing frameworks like Nunit, Playwright.
• Experience with Domain Driven Design, system architecture, and event‑driven architecture.

Apply now

Please click the 'apply' button on this page and submit your application in English.

Equal opportunity statement

Frontiers actively embraces diversity and is a safe and welcoming workplace. Recruitment is free from discrimination – including based on race, national or ethnic origin, age, religion, disability, sex, gender identity or sexual orientation. With employees from more than 50 different nations, our diversity creates vibrant teams and constantly challenges us to appreciate multiple perspectives.

Please inform us if you require any special accommodations to participate fully in our recruitment experience. You can contact us at [e-mail] for any additional support.