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.NET Engineer - Laboratory Systems

ERNI Spain

Location not specified

Posted: December 23, 2025

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Job Description

Would you like to implement technical solutions that support laboratory and industrial environments?? ️

Join our expert team to work on an Industrial sector, contributing to the implementation, configuration and extension of a specialised technical solution. You will apply your knowledge of .NET to integrate systems, deploy software, build interfaces and support laboratory operations across multiple European sites.

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.


We strongly encourage growth and continuous training. Each person has an individual development plan, mentoring, and access to internal technical communities. We aim for you to learn, experiment, and evolve within an environment where teamwork and support from more senior colleagues are key.


What you will bring

More than 2 years knowledge of .NET and JavaScript for extending functionalities.
Experience implementing integrations with APIs, databases or Laboratory systems.
Experience with Node-RED or similar low-code integration tools is will be a plus.
Ability to install, configure and deploy software in customer environments.
Fluent English and willingness to travel within Europe.

You will be responsible for implementing, configuring and deploying the solution in customer environments while extending functionalities in .NET and JavaScript, building integrations with APIs, configuring flows in Node-RED, troubleshooting issues, documenting processes and delivering training to users in English.

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!

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