Senior .NET Full-Stack Engineer (Vue/Nuxt) — AI-Driven

Frontiers Media SA; Madrid; Hybrid; EUR 65,000 - 110,000; Full time

Benefits offered by this job

Wellbeing days

Volunteering days

Employee Assistance Program

Learning & development

Local benefits

Job summary

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed .NET/Vue stack, delivering robust, production-grade software for researchers worldwide.

You will collaborate with product, architecture, and cross-functional teams in a hybrid Madrid-based environment, applying AI-driven design principles to improve

Qualifications

• 5+ years of software engineering experience, with deep expertise in .NET Core / .NET Framework.
• 3+ years of hands-on experience with modern frontend frameworks (Vue 3 a plus) — and a solid command of the fundamentals: JavaScript, CSS, and HTML are a must.
• Strong expertise in Vue.js (Vue 2 and Vue 3), with a solid grasp of state management, component-based architecture, and best practices for building scalable front-end applications.
• Strong expertise in SQL Server: performance tuning, indexing strategies, query optimisation, and troubleshooting production issues.
• Extensive experience designing and implementing REST APIs.
• Experience or strong interest in applying AI to product features and engineering workflows.
• Experience owning complex, distributed system architectures.
• Solid understanding of microservices and micro-frontend concepts.
• Comfortable working in Kanban.
• Collaborative, with proven autonomy and ownership, and able to thrive in a hybrid environment.

Responsibilities

• Design, develop, and maintain scalable, high-performance web applications using .NET, Vue.js, and Nuxt.
• Modernise and replace legacy systems — including migrating older Angular applications to our current Vue and Nuxt stack.
• Own full-stack projects end-to-end, from specification refinement through delivery to production monitoring.
• Collaborate with product managers, architects, and cross-functional teams to gather requirements, assess technical feasibility, and determine the best implementation strategy.
• Work effectively within a multinational, cross-functional team to deliver software aligned with business needs.
• Write clean, maintainable, and efficient code, and uphold engineering best practices across the team.
• Ensure the quality of delivered solutions through robust testing and review.
• Optimise applications for performance, scalability, and responsiveness.
• Troubleshoot and resolve complex technical challenges across distributed systems.
• Leverage AI tooling to raise the quality, speed, and consistency of engineering work.
• Stay current with emerging technologies and bring fresh thinking to keep our stack modern.
• Maintain a business-oriented mindset, focused on delivering measurable outcomes for end-users.

Skills

NET Core/.NET Framework

Vue.js

SQL Server

REST APIs

Distributed systems

Kanban

Autonomy and ownership

Tools

Docker

Kubernetes

GitHub Actions

Azure DevOps

GraphQL

NoSQL

RabbitMQ

Kafka

Job description

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed .NET/Vue stack, delivering robust, production-grade software for researchers worldwide.

You will collaborate with product, architecture, and cross-functional teams in a hybrid Madrid-based environment, applying AI-driven design principles to improve