Senior Java Software Engineer

SupplyOn is the digital infrastructure for globally connected industries.

For more than 25 years, our platform has managed complex supply chains, connecting over 70 percent of the world’s leading industrial companies and ensuring that everything is in the right place at the right time.

Our shareholders are Bosch, AUMOVIO, Schaeffler, and ZF.

We drive digital transformation where it truly matters: in the real network. Technologically strong. Internationally connected.

Our SupplyOn team, made up of many talented individuals, is growing with new challenges, employees, and development opportunities. To drive innovation and digitalization forward together, we are looking for a Senior Java Developer (f/m/d) - Identity & Access Management to join us immediately in our Budapest office - Hybrid (3 days/week onsite)

Together, we want to make a real impact. Do you? Then we look forward to welcoming you as part of our team!

What you will do

You will design and implement identity and access management solutions that ensure secure and scalable access to our applications. Working in an agile environment, you will focus on authorization, authentication, and identity management, while collaborating closely with development teams to integrate into our systems.

• Designing and implementing authorization and access control mechanisms within Java-based applications
• Managing and further developing our identity and access management solution (Keycloak)
• Implementing and maintaining authentication and authorization flows (e.g., OAuth2, OpenID Connect)
• Integrating Keycloak with applications and services
• Developing and maintaining robust, secure, and scalable IAM components in Java
• Advising development teams on IAM and security best practices
• Contributing to the continuous improvement of security architecture and IAM processes

What you should bring

• Proven experience developing Java applications in enterprise-scale environments
• Professional experience in identity and access management (IAM) or application security
• Strong understanding of authentication and authorization standards (OAuth2, OpenID Connect, ABAC/PBAC)
• Hands-on experience with Keycloak (configuration, customization, and operation)
• Experience integrating IAM solutions into applications and services
• Understanding of secure system design and access control mechanisms
• Familiarity with enterprise system landscapes
• Strong problem-solving skills and a structured working style
• Good communication skills and a collaborative mindset

How we work

• A fantastic, motivated team eager to shape the future of AI with you.
• A working environment with a high degree of autonomy and creative freedom.
• Flexible working hours? We are happy to support that!
• Personal and professional development is very important to us and we strongly encourage it. You can find out more about our development prospects and benefits on our career pages.
• As an employer, you can expect clear leadership values, special leadership training and learning units from us.

Our environment is dynamic, our mindset clear: we think in impact, not in hierarchies.

We work across disciplines, continuously evolving our solutions together, and taking responsibility for what we do.

What unites us is the drive to make a difference. That’s why we create space – for independent work, new ideas, and both professional and personal growth.

At SupplyOn, development isn’t just possible – it’s part of who we are. Shaping and changing things is part of our everyday work.

You’re eager to contribute, think along, and co-create? Then SupplyOn is the right place for you.