.NET Developer

ERNI is a Swiss Software Engineering company leader in building complex, customized software solutions. It’s more than 25 years of using technology to have a positive impact on people's lives.

We build digital solutions that connect the physical world (devices & connectivity) with the digital one (software solutions, connected, or consuming their data). Our teams are focused on prioritize the software lifecycle & to ensure that our code is both clean and secure. Our maturity in building high-impact software solutions approaches us whatever industry looking for quality and sophistication (e.g. Gaming, FMCG or Validation & Inspection..).

Our leadership in the Health-Tech (Diagnostic Medical Devices, Pharma, Health Care and more) and in all industries around Smart Devices (Robots, Cars, 3D Printers, Machinery), in a powerful combination with the way we growth people, let us create a growing, learning and challenging set up for ERNIans.

🌍Do you want to work for an International Service Delivery Center in Valencia as a .NET Developer?

You will join high–value technological projects for leading national and international clients across industries such as industry, energy, healthcare, retail, and financial services.

You will work in international, multidisciplinary teams, collaborating closely with software engineers, architects, QA specialists, product owners, and stakeholders. The projects typically involve the design, development, evolution, and maintenance of scalable, robust, and business-critical software solutions built on the Microsoft .NET ecosystem.

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.

What you will bring 🤝

• 3+ years professional software development with C# and .NET / .NET Core

• Backend/API development: ASP.NET / ASP.NET Core, RESTful/Web APIs

• Solid knowledge of relational databases, such as: SQL Server, PostgreSQL/MySQL

• ORM experience (preferably Entity Framework / EF Core)

• Familiarity with version control systems: Git

• Experience working in Agile environments (Scrum, Kanban, or similar)

• English level C1 or higher, with the ability to communicate fluently in professional and technical contexts

• Experience with MedTech or other high regulated environments.

Nice to have:

• Frontend: HTML/CSS, JavaScript/TypeScript (Angular or React)

• Cloud & DevOps: Microsoft Azure (App Services, Functions, Azure SQL), Docker, CI/CD (Azure DevOps, GitHub Actions, GitLab CI)

• Architecture & design: Microservices, Clean Architecture/DDD/SOLID, event-driven/messaging (Azure Service Bus, RabbitMQ)

• Testing: unit (xUnit/NUnit/MSTest), integration and automated testing
  

You will be responsible for

• Design, develop, test, and maintain .NET-based applications and services.

• Collaborate actively with the team to define technical solutions aligned with business needs.

• Contribute to code quality, maintainability, and best practices, including code reviews.

• Participate in architectural discussions and continuous improvement initiatives.

• Work closely with international stakeholders, ensuring clear and effective communication in English.

• Take ownership of assigned components or features throughout their lifecycle.

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’ll 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, 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! 🚀