Senior Java Backend Engineer - Remote from EU only - 5 months+

Job Description

Senior Java Backend Engineer - Remote from EU only - 5 months+ on www.freelancermap.com Find projects Find freelancers Solutions Insights Log in Sign up Change availability Save Senior Java Backend Engineer - Remote from EU only - 5 months+ Octopus Computer Associates Not Specified , Spain On-site Freelance Duration 5 months Apply now Save to watchlist Print Report Report project After submitting, you will receive a confirmation email. We will review your information and take action if necessary. Reason for reporting this project: * The project is outdated The project description is unprofessional / This is not a valid project Incorrect contract type The hourly rate is unrealistic Report project Report project IT OAuth Session Management Backend Backend Programming Description Senior Java Backend Engineer - Remote from EU only - 5 months+ One of our Blue Chip Clients is urgently looking for a Senior Java Backend Engineer. Please find some details below: Description: Senior Java Back End engineer with hands-on experience designing, building, and operating authentication and authorization services. Designed, built, and operated IAM capabilities on Keycloak and Java microservices. Extended Keycloak through custom SPIs, providers, user federation, and themes to meet business requirements Implemented and maintained authentication and authorization flows using OAuth 2.0, OpenID Connect, SAML, MFA, and social or enterprise federation Driven security best practices, including secure token handling, session management, threat modelling, and supporting audits and compliance. Additional/Nice to have skills: Experience with CIAM at scale: customer identity, identity resolution, or account deduplication. WebAuthn/FIDO2/passkeys, Zero Trust architectures, or PKI. Event-driven architectures (eg, Kafka). Observability tooling such as Prometheus, Grafana, and OpenTelemetry. Deep understanding of OAuth 2.0, OpenID Connect, JWT, and SAML, and when to use each. Proven experience designing and operating distributed systems and microservices in production. Solid database skills (eg, PostgreSQL) and familiarity with caching relevant to Keycloak deployments (eg, Infinispan/Redis). Experience with Docker, Kubernetes, CI/CD pipelines, and at least one major cloud platform (AWS, or Azure). Remote is allowed as long as the consultant is within EU. Please send CV for full details and immediate interviews. We are a preferred supplier to the client. Application form For freelancers Find projects Benefits for freelancers Prices and features Professional liability insurance For companies Find freelancers Benefits for companies Prices and features Help and support FAQ Contact Blog Freelancer study Company directory About freelancermap About us Testimonials © 2005 ‐ 2026 freelancermap GmbH, Nürnberg Data privacy Cookie settings Legal information Term and Conditions