NET Developer
Role details
Job location
Tech stack
Job description
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., * 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!
Requirements
Do you have experience in xUnit?, * 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.
Benefits & conditions
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.
About the company
Swiss Software Engineering. We boost people and businesses in the innovation of software-based products and services.
Therefore we are building a global platform based on a Swiss mindset and adapted to the needs of local customers. We regard our Swiss mindset as a key success factor to fulfilling our mission and are training and applying Swiss behaviours like consensus-building, pragmatism, integration, reliability and transparency in our diverse workforce across intercontinental locations. Our clients profit from method-based consulting services, partnership-oriented technology services and cost-conscious delivery services.
ERNI was founded in 1994 in Switzerland to develop innovative software for international companies and SME. Right from the beginning sharing know-how to establish collective skills and focusing on economically sound engineering solutions played a key role. Together with our great crew, they are the basis for successful software projects. Today, the ERNI Group has more than 800 employees at 18 locations in 8 countries and continues to grow.
