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Fullstack React/C# Engineer

Posted 14 Jul 2025
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Work experience
0 to 5 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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Mendix is on a mission to fundamentally reinvent the way applications are created, by abstracting the process and enabling everyone who has a stake in an enterprise’s digital future — business people and analysts, web developers, software engineers, even CEOs — to meaningfully participate, thereby creating better applications faster. Our goal is simply to create the future of software development.

Are you a proactive and hands-on engineer with a demonstrated ability working currently with C# and Web? Do you have a passion for developing powerful, cross-platform Integrated Development Environments (IDEs) that foster collaboration between business users and professional developers? Do you thrive on simplifying complex technical challenges, enabling non-technical individuals to efficiently build exceptional applications? If you have superb communication skills and the ability to see the full picture beyond individual tasks, then this opportunity is perfect for you!

Join our team and take full ownership of delivering and supporting the core of our development environment for the Mendix platform: Studio Pro. In this role, you will have the opportunity to showcase your proactive personality and hands-on approach to development.

Required experience

  • Demonstrate proficiency in C#, showcasing a solid understanding of other programming languages is a plus
  • Embrace challenges by meticulously understanding and deconstructing them into comprehensible code
  • Employ an iterative approach to break down challenges and construct solutions with short feedback cycles
  • Investigate existing functionality to refactor and introduce new features seamlessly
  • Take ownership of your work's quality by proactively identifying risks and conducting thorough testing
  • Maintain a continuous learning mindset, consistently innovating and staying up-to-date in your field
  • Thrive in a collaborative team environment, valuing teamwork over individual isolation
  • Proficiency in building web applications using TypeScript and React
  • Knowledge and experience in Domain Specific Languages (DSL) and metamodeling

What’s in it for you?

  • Competitive salary with regular reviews and opportunities for advancement.
  • 30 days PTO.
  • Hybrid work environment.
  • Work from anywhere up to 4 weeks per year.
  • Career development training and opportunities.
  • A dedicated training budget for professional development.
  • Regular team events and outings like escape rooms and carting
  • Excellent daily lunch at the office.
  • Flexible working hours to accommodate a healthy work-life balance
  • Various modes of travel to and from the office are covered by Mendix.
  • 2 crafting days per month.

About Mendix: The leading low-code application development platform: The Mendix Platform uses visual modeling to abstract long-form coding out of application development. Our customers use Mendix to create and deploy better software for the enterprise, faster. Mendix enables collaboration between business users and developers to work together throughout the development process.

At Mendix we strive to maintain a diverse, open, and safe working environment where people can be their true selves. We value every voice, celebrate individuality, and appreciate the diversity of thought and experience. People who work here are driven, smart, and really good at what they do.

As this market evolves, we encourage people of all skill levels to work with the platform, both for clients and candidates. Apply today to discover how you can make a meaningful impact with Mendix.

Working for Mendix and with our Customers means your reliability has to be beyond any doubt, and therefore every employment is subject to an onboarding screening and the condition precedent a Certificate of Conduct is provided that demonstrates you did not commit any offences that are relevant to the performance of your function.

Equal Employment Opportunity Statement

Mendix/Siemens is an Equal Opportunity and Affirmative Action Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

The Mendix founders created Mendix to solve the biggest challenge in digital innovation: to empower IT and Business teams to collaborate like never before, while experiencing unmatched speed and control.
Mendix provides a platform and approach that helps enterprises innovate and digitally transform their businesses and industries.
Proud to be a recognized Leader by Gartner and Forrester in a red-hot market expected to exceed $15 billion by 2020. And proud of Glassdoor reviews: 4,7

IT
Rotterdam
Active in 6 countries
660 employees
70% men - 30% women
Average age is 33 years