Senior Software Engineer – AI Platform Development

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.
Read our Customer Stories to learn more about the wealth of software and solutions global organizations have built with the Platform.
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.
Our unit is responsible for driving innovation within Mendix, as we work on cutting-edge technologies to democratize Generative AI solutions as part of our global R&D organization. 
Our local team in Rotterdam develops innovative solutions as part of the Mendix Platform so that our customers can create smarter applications that leverage GenAI capabilities with great end-user experience. You can find most of our components in the Mendix marketplace, they are showcased in this app and can be used through Mendix Cloud GenAI Resource Packs.

You’ll help drive digital innovation by:

• Building something new upon an existing foundation, moving as fast as the GenAI space is progressing 
• Working with early adopters to create the portfolio of GenAI assets our customers really need.  
• Working on a platform and we’re in it for the long haul. Thousands of developers and millions of end users across the globe rely on your work and each commit can make a lot of impact. 
• Being thorough, we like to get to the bottom of things; clear answers are more important than deadlines. 
• Dabbling in all sorts of technologies when it takes our fancy. Although we focus on Mendix, JavaScript and Typescript we sometimes branch out into Java, .NET, HTML5 and CSS3. Other tools we use include: NodeJS, Python and SQL.

You’re the innovator we need if:

• You’re an expert in JavaScript/Typescript/HTML5 and its functional style. You’re a polyglot when it comes to software development. 
• You like learning new things and techniques, you pick up new languages and technologies based on tasks at hand 
• You are excited by the challenge of complex technical problems 
• You feel responsible for the quality of your work and the impact it has on others 
• You have experience in Agile software development. You’re able to adapt to change and are open-minded. You’re comfortable working as part of a scrum team 
• You know what product development requires, such as setting up a CI/CD pipeline with automated tests and (remote) observability 
• You want to become part of a work environment in which your ideas are valued 
• You enjoy the spectacular view of the Erasmus bridge from your desk.

Bonus if:

• You have experience building integrated development environments (IDEs) or reusable components for developers in the community. 
• You have a background in the domain of generative AI. 
• You have experience with hyperscaler platforms such as AWS, Azure and Google 
• You have already gained experiences with Mendix and StudioPro extensibility

What’s in it for you?

• Competitive salary with regular reviews and opportunities for advancement 
• 30 days PTO  
• Work from anywhere up to 4 weeks per year 
• Hybrid work environment and flexible working hours to accommodate a healthy work-life balance 
• Career development training and opportunities with a dedicated training budget for professional development 
• 2 crafting days per month

Experience a culture like no other at Mendix: 
We’re flexible in adopting new technologies and methodologies if that makes the product better or our lives easier. Each scrum team is free to choose its own tech stack, so you can always try that latest new idea, framework or design pattern. Our teams are small so that you can have a real influence. We care about open standards, and we’re also big fans of Test-Driven Development. We’re constantly improving our Continuous Integration process, which monitors the quality of our product and makes the lives of our developers and testers easier. 
Every month, we have crafting days when developers are invited to work on whatever they want. For example, people work on a bug that somehow never got prioritized, explore the latest trends in AI-assisted development tooling, or build a custom app that analyzes cupcake recipes using the newest LLM technology. 
We like people who take ownership and try to give everyone as much freedom as possible. This means there’s as little process as we can get away with, because we don't want to get in your way. We also strive to stay as flat as possible. Do you have an issue? Speak up and let us know. Even though our client base consists of large enterprises, we do not allow a bureaucratic culture to enter our R&D department. We value the start-up culture that has brought us so much success. We are a tech company, not a project-oriented organization. 


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If you see a job description and think, “I’d be perfect for that” but your experience doesn’t align perfectly with the qualifications – don’t let that hold you back. We’re always eager to hire talented, passionate candidates – so give it a try and apply.
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