Summary: Join an expert team to develop and maintain software for critical diagnostic devices using .NET, WPF, APIs, SQL, and testing in an agile, international environment. Highlights: 1. Contribute to software ensuring accurate diagnostic results worldwide 2. Work with expert teams on critical coagulation devices 3. Opportunity to deepen technical skills and influence project decisions ##### **About the position** **Can you imagine contributing to software that ensures accurate diagnostic results used every day in laboratories around the world? ❤️** Join our expert team to work and work in the diagnostics sector, contributing to the development and maintenance of software for one of the most important coagulation devices worldwide. You will apply your knowledge in .NET, WPF, APIs, SQL, and testing to build reliable, high\-quality solutions. At ERNI, you are never just a number. Even if you work on an external project, you will feel part of the team and always supported. **How do we make this happen?** With people. Besides your team and manager, you will have several support figures like a godparent, who will help you with the practical and administrative aspects of daily life during your first 6 months. And the second most important person after you, your mentor, who will guide you through your entire onboarding and career at ERNI. You will have regular 1:1 meetings with them, and recurrently, you will work on your development plan to define your short\-, medium\-, and long\-term goals. At ERNI, we highly value experience and technical knowledge. As a senior profile, you will have the space to continue growing, whether by deepening your technical skills or having greater influence on project decisions, with autonomy and the opportunity to share knowledge with other experts. And if you are interested in mentoring, there is also space for that: supporting other ERNIans while still focusing on the technical excellence that sets us apart. **What you will bring** * More than 5 years of experience in C\# and .NET, applying SOLID principles to build clean and maintainable solutions. * Experience working with WPF (or similar UI frameworks), developing and consuming WCF / REST APIs and managing SQL databases. * Solid understanding of version control with Git and experience writing unit and integration tests. * Familiarity with Azure and Azure DevOps environments (CI/CD is a plus). * Agile mindset and fluent English for effective daily collaboration in an international team. You will be responsible for developing and maintaining application features using C\# and .NET, ensuring clean and high\-quality implementations. You will implement and support WPF frontend components and develop as well as consume WCF and REST APIs to enable reliable system communication. You will work with SQL databases and contribute to backend logic, while ensuring software quality by writing and maintaining unit and integration tests. Additionally, you will design and implement automated test cases in C\# and integrate them into Azure DevOps CI/CD pipelines. You will collaborate within an Agile environment, using English as the working language in an international team. **What if the project ends?** We work on a wide variety of projects, technologies, and sectors, allowing you to keep growing in different environments. If a project ends or you feel ready for a new challenge, we will find another one that aligns with your professional development. **Our working model ‍** We ask you to be available for key meetings. Need to leave for a doctor’s appointment or to pick up your child from school? No problem. We trust you to deliver quality work within your 40\-hour workweek. Our model is hybrid: we usually go to the office 2 days a week, though this depends on the project and team, but we love seeing each other’s faces; the best stories always happen in the office! You will also enjoy: We cover your certifications and reward technical achievements up to €1,400\. Private health and travel insurance. Full coverage for sick leave \+ 1 extra day off per month without medical leave. * ️ Free emotional, legal, and family support. ️‍ ️ Gym discounts \+ sports compensation. Flexible remuneration: meals, transport, childcare, etc. Referral bonuses: up to €6,000 per candidate and €5,000 per client. 23 working days of vacation. ️ Free language courses: English, Spanish, Catalan and German.**And the salary?** We will discuss it during the first call. If it is important to you, feel free to ask! **WOULD YOU LIKE TO BECOME AN ERNIan? APPLY NOW!**