Every day, more than a million people rely on NN to access their financial world — and you can help shape that very first click. As a Senior Backend CIAM Engineer, you’ll help build and refine the secure, seamless login experiences that welcome customers into our digital ecosystem. From Retail to Zakelijk and Adviseur portals, your work directly impacts how users authenticate, feel safe, and move effortlessly through their online journey. Backed by modern technology and a team deeply committed to delivering top‑tier authentication flows, you’ll grow your frontend craftsmanship while contributing to one of NN’s most essential digital touchpoints.
 

What you are going to do

• Build and improve the login and authentication pages for NN’s Retail, Zakelijk, and Adviseur portals, ensuring a smooth and secure customer journey
• Translate UX and security requirements into clean, accessible, and high‑quality frontend implementations
• Collaborate closely with frontend and platform engineers to deliver fully aligned and compliant authentication flows
• Monitor, troubleshoot, and optimize login performance using analytics and logging tools
• Contribute to modernizing and standardizing CIAM frontend components as part of a cross‑functional engineering team

What we offer you
NN invests in an inclusive, inspiring work environment and in skills and competences for the future. We match this with employee benefits that are in line with what is needed today and in the future. This way, we offer our employees the opportunity to get the best out of themselves. We offer you:

• Salary between €5.363 and €7.661 euros depending on your knowledge and experience
• 13th month and holiday allowance are paid with your monthly salary
• 27 vacation days for a 5-day working week and three Diversity Day
• A modern pension administered by BeFrank
• Plenty of training and learning opportunities
• NS Business Card 2nd class, which gives you unlimited travel, also privately. Do you prefer to travel with your own transport? Then you can declare the kilometers travelled
• Allowances for setting up your home office and for internet use

Who you are

• You have more than 5 years of experience building backend applications in a modern tech stack. You have experience working with AWS as a cloud provider. You understand how CI/CD works and can set up pipelines to deploy applications in the cloud
• You understand distributed systems, in special containerized applications, and you can deploy applications in Kubernetes
• You demonstrate a proactive approach and confidently take initiative when addressing complex backend challenges or unfamiliar CIAM-related issues
• You possess a strong desire to deepen your backend engineering expertise, especially within CIAM, and are enthusiastic about expanding your knowledge of platforms like Ping Identity and others
• You are naturally inquisitive, receptive to feedback, and motivated to continuously enhance your technical skills and backend development practices
• You thrive in cross-functional teams, effectively collaborating and communicating with frontend engineers, designers, and security specialists to deliver robust CIAM solutions
• You value well-structured, secure, and high-quality code, and are eager to adopt modern backend tools and industry standards used in authentication and identity management flows, with expertise in the Ping Identity platform being a significant advantage

Who you will work with

You’ll join an international, high‑performing CIAM team with a fun, collaborative atmosphere, where people genuinely enjoy working together and celebrating success. The team brings a healthy mix of senior and junior engineers and values staying connected beyond day‑to‑day work, regularly strengthening team spirit through activities like shared volunteering initiatives.

Any questions?

If you have any questions about the job, you can reach out via phone to Daniel Bastos Costa – Engineering Manager via the email daniel.bastos.costa@nn.nl. Any questions about the process can be directed to Floor Jutte, Talent Acquisition Specialist via floor.jutte@nn-group.com.