Start your next career at Crystalloids
Work at the heart of innovation
Join a team that thrives on learning, builds with purpose, and believes diverse perspectives create better outcomes.



A Culture Built on Trust
We believe great work happens when people feel trusted, supported, and balanced. With flexibility, respect, and room to take ownership, we help each other keep work and life in sync while doing meaningful work together.
Grow as You Build
At Crystalloids, development happens through real work, knowledge sharing, and hands-on guidance. You get the space to deepen your expertise, explore new technologies, and keep building skills that stay relevant.
Work Environment
We believe the best ideas grow in a supportive, open workplace. With an international team and a culture of collaboration, we make space for curiosity, bold thinking, and growth, while turning ideas into practical solutions that matter.

More Than a Paycheck
Enjoy hybrid work options, team lunches, and quarterly outings. We also support your personal and professional growth with continuous learning opportunities.

From Application to Welcome
Joining Crystalloids is a clear and supportive journey. From your application to your first day, we guide you step by step so you always know what’s next.
Our current job openings
Full-time positions
Analytics EngineerDevelopment | Rotterdam, The Netherlands Marketing Analytics EngineerDevelopment | Rotterdam, The Netherlands Solution ConsultantSales & Marketing | Rotterdam, The Netherlands Software DeveloperDevelopment | Rotterdam, The NetherlandsInternships / Traineeships
Cloud & Data Engineering TraineeshipDevelopment | Rotterdam, The NetherlandsDon’t see the right role? Submit your resume and we’ll reach out if there’s a good match.
Submit an open applicationStart Your Career as a Trainee
Are you a final-year student or recent graduate looking to gain real-world experience before starting your professional career? Join us as a trainee and work on real projects while learning from experienced professionals.

What our employees are saying
“Crystalloids offers many projects in applied science, including Cloud, analytics, and machine learning, areas I’m passionate about. As a relatively young company, Crystalloids has a lot of reusable code for various projects, which is fantastic. The team is friendly and supportive, and there’s not too much pressure.”
AndreiLead Software Developer“Crystalloids caught my attention because it offers a dynamic environment, there is a possibility to get hands-on experience on various kinds of projects, which allows to always improve and broaden the knowledge.”
GintareMarketing Analytics Engineer“I chose Crystalloids to learn more about Cloud Engineering. During my traineeship, I had a chance to work on multiple projects ranging from writing an API to automating the whole hiring stream. I became proficient in many GCP services, Terraform, Apache Airflow and much more.”
KacperSoftware Development Trainee“Crystalloids understands that data isn’t just about technology, it’s about unlocking business potential. Their deep specialisation and track record demonstrate their commitment to delivering the best solutions possible.”
Jeanne-MarieSolution EngineerNot seeing the right fit?
Submit your resume and we will reach out if there’s a good fit. We read every application.