Senior Software Engineer (.NET)

• 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
• Up to 3 paid volunteering days each year
• 24/7 confidential Employee Assistance Programme (wellbeing, mental health, legal & financial support)
• Learning & development support via the Frontiers Learning Hub
• Competitive local benefits country dependent (e.g. healthcare and pension/retirement provision)

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. Through powerful APIs and intuitive UIs, we make critical research information accessible to the rest of the company and to end-users worldwide.

We have fully embraced AI-based spec-driven design, integrating AI throughout the entire software development lifecycle. From specification to implementation, AI tooling shapes how we architect, build, and iterate - making us faster, more deliberate, and focused on what matters most. This isn't an experiment. 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.
• Enhance and support existing solutions built with older versions of.NET and Vue.js.
• 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.
• Optimise applications for performance, scalability, and responsiveness.
• Troubleshoot and resolve complex technical challenges.
• 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.
• Business-oriented attitude with a focus on delivering measurable outcomes for end-users. 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
• Experience integrating AI solutions into customer-facing applications.
• Proficient in leveraging AI to enhance daily engineering work.
• Expexienced in owning complex, distributed system architectures
• Solid understanding of microservices and micro-frontend concepts.
• Collaborative and thriving in a hybrid environment.

• Experience with NoSQL databases (MongoDB)
• Experience with containerization platforms (e.g., Docker, Kubernetes).