Senior Java Backend Engineer

We now have a new requirement and are looking for a consultant colleague with the qualifications listed below. The position is part of our consulting business, which means you will be employed by us and work either with clients or on internal projects and assignments. As part of your application, you may be presented to clients/partners as part of the recruitment process. If selected for the assignment, you will be employed by us and work either with clients or on internal projects and assignments as part of our consulting business. Your Profile (Must-have requirements)

• Strong Java backend development experience, including building and operating microservices in production.
• Proven, hands-on experience with Keycloak in real-world deployments, including customization through SPIs and providers.
• Deep understanding of OAuth 2.0, OpenID Connect, JWT, and SAML.
• Proven experience designing and operating distributed systems and microservices in production.
• Solid database skills, for example PostgreSQL, and familiarity with caching relevant to Keycloak deployments, such as Infinispan or Redis.
• Experience with Docker, Kubernetes, and CI/CD pipelines, as well as at least one major cloud platform, AWS or Azure.
• A security-first mindset and experience supporting audits and compliance requirements.

Meritorious

• Experience with CIAM at scale, such as customer identity, identity resolution, or account deduplication.
• Experience with WebAuthn/FIDO2/passkeys, Zero Trust architectures, or PKI.
• Experience with event-driven architectures, such as Kafka.
• Experience with observability tooling such as Prometheus, Grafana, and OpenTelemetry.

Application deadline: 09-10-2026 About Us We currently employ experienced consultants in areas such as System Development, AI, Machine Learning, Testing, Cloud, Infra DevOps, and IT Project Management. Working at Deploja is something entirely different from working at an ordinary consulting company—and we are really proud of that. So, what makes us unique? We simply offer more than just a high salary and greater freedom; that’s just the beginning. With us, you’ll find the work environment and opportunities you deserve. Welcome to Deploja, where the grass is indeed greener!