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ERNI Spain career site
Frontend  · Barcelona, Madrid · Hybrid

Senior Frontend Developer

🚀Do you want to become an ERNIan? You will find domain tech experts that collaborate in creating challenging solutions allowing you to develop yourself and work in the 🔝 of your technical expertise!

We usually respond within a day

Can you imagine working in a project that has real impact in health? 

At ERNI, you’ll join global teams developing cutting-edge software solutions in the health-tech domain.

As a Senior Frontend Developer, your mission is to help develop a platform designed to optimize and manage the operations of clinical laboratories. You will work in a team of 8 developers from ERNI, in a international environment and with opportunities to have rampup in different technologies.

You’ll have a tailored career plan, continuous training, and the freedom to propose solutions, not just execute them. And when a project ends, we’re already planning what’s next, with you in mind.

How ERNI cares about YOU 

🛠️ Real tech, real impact: You’ll work in advanced industrial projects, helping teams build secure-by-design products from the ground up.

📈 Career growth & training: Whether you want to go deep as a technical expert or move into leadership. You’ll have access to 500+ courses, get rewarded for certifications (up to €1,400 each), and receive ongoing mentorship with regular 1:1s not just during onboarding, but throughout your journey at ERNI.

🏢 Flexible work: Hybrid by design. We believe strong relationships with teammates, projects, and clients grow best in person so most teams meet 2–3 days per week. But you’ll manage your own schedule, with real autonomy and trust from day one.

🎉 Benefits that count: Private health insurance, paid parental leave, 23 vacation days, relocation support, and team events that celebrate progress together.

What is like to be a Senior Frontend Developer at ERNI:

  • Contribute to the architecture and development of a new React project.
  • Write technical documentation for regulatory entities.
  • Create high quality unit tests.
  • Know Git and Continuous integration best practices.
  • Daily communication with the team in English.

To be the best fit for this project you will need:

  • Experience with modern frontend development with React.
  • Experience managing state with Redux or Similar libraries.
  • Experience advanced React Hooks like useMemo, useCallback and Context API.
  • Experience leading teams.
  • Experience with Microfrontend architecture is a plus.
  • Experience with DDD and Hexagonal architectures is a plus.

We value diversity not only in terms of gender but also nationality, background, and skills. Every employee at ERNI has an equal opportunity to succeed. Learn more about our initiatives 🔎:

Diversity and inclusion 

Would you like to become an ERNIan? Apply now! 

Department
Frontend 
Role
React developer 
Locations
Barcelona, Madrid
Remote status
Hybrid
Seniority
Senior
Picture of MĂłnica Goncalves
Contact Mónica Goncalves IT Talent Acquisition Lead – Talent Attraction 

About ERNI Spain

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.

Founded in 1994
Coworkers 300
Frontend  · Barcelona, Madrid · Hybrid

Senior Frontend Developer

🚀Do you want to become an ERNIan? You will find domain tech experts that collaborate in creating challenging solutions allowing you to develop yourself and work in the 🔝 of your technical expertise!

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Already working at ERNI Spain?

Let’s recruit together and find your next colleague.

@vanesa.gomez@betterask.erni