Senior Umbraco / .NET backend developer (all genders)

Join our team of experts and work on exciting projects for a market-leading multinational company.

Are you a seasoned backend developer with a passion for Umbraco? We're looking for an experienced developer to join our agile team and lead the development of innovative web solutions for a major multinational client.

About us :

Cocomore is not only a digital agency providing products and communication services for international clients like EssilorLuxottica, GroupeSEB, Nestlé, Procter & Gamble, or Samsung. Cocomore is also an incubator for digital start-ups, having so far sold to Deutsche Telekom, Axel Springer, and Pro7Sat1.

Our team of 180 professionals is located across Europe, with a strong presence in Barcelona, Berlin, Frankfurt (headquarters), Hamburg, and Seville. And while we all have different skills and talents, we share a common spirit : we are human, entrepreneurial, and creative. This is our way of working together with colleagues, partners, and clients.

You can find our statement on diversity, equality, and inclusiveness here : .

This role is perfect for you if :

• You're a backend expert with a proven track record of developing and launching complex online solutions.
• You have in-depth knowledge of Umbraco CMS and a strong desire to push its capabilities.
• You thrive in a collaborative environment and enjoy mentoring junior developers.

Here's what you'll get :

• Lead exciting projects : Take ownership and drive the development of innovative solutions for a leading multinational client.
• Shape the future : Contribute to the team's technical direction and best practices.
• Work with the best : Join a team of talented developers and collaborate with a market-leading multinational company.
• Continuous learning : We invest in your growth by providing a generous training budget for attending conferences, courses, and certifications.
• Flexible work arrangements : We offer remote work options, flexible hours, and a modern office environment to suit your needs.
• Supportive and fun team : We foster a collaborative and international team spirit. We value open communication and teamwork.
• Healthy work-life balance : We prioritize your well-being with flexible work options and regular team-building activities (both virtual and in-person).
• Competitive salary and benefits : We offer an attractive compensation package to match your skills and experience.

We're looking for someone with :

• Extensive experience developing applications using Microsoft .NET framework or higher and Microsoft C# or higher (5+ years)
• In-depth knowledge of and hands-on experience with Microsoft SQL Server environment (5+ years)
• Proven experience with software development processes, best practices, methodologies, and tools.
• A strong track record of developing and maintaining WebAPI applications and services (4+ years)
• Expert-level experience with Umbraco CMS, including customization and integrations (4+ years)
• Excellent communication skills to collaborate effectively with clients, designers, and developers (both remote and in-person)
• The ability to mentor junior developers and share your knowledge
• A strong work ethic, self-organization, and a structured approach to work
• A passion for teamwork, collaboration, and supporting others
• An entrepreneurial mindset with a drive to learn, adapt, and continuously improve
• Strong English language skills (B2 level)

Bonus points for :

• German language skills
• Experience with .NET Core, GraphQL, and React
• Knowledge of microservices architecture
• Experience with CI / CD tools like Azure DevOps
• Experience with leading agile development methodologies

Ready to take your Umbraco expertise to the next level?

If you're a senior developer who thrives in a challenging and collaborative environment, we want to hear from you! This is an excellent opportunity to make a significant impact on our team and shape the future of our client's digital presence.

What will happen after you applied?

• You will receive an email confirming that we received your documents.
• Afterwards, our recruitment team will inform you if your experience matches our requirements.
• If yes, you will receive an invitation for an online interview.

Tell us how you want to work, in one of our offices, remote, full-time or part-time, in a shared position – or any combination of these. We will do our best to make it happen!