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

Octopus Computer Associates

Köln, Germany

1 day ago

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Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Working hours

Regular working hours

Job source

www.careerboard.com

Tech stack

Java (Programming Language) Amazon Web Services Microsoft Azure Databases Continuous Integration Data Deduplication Distributed Systems Multi-Factor Authentication Identity and Access Management PostgreSQL OAuth Public Key Infrastructure

+19 more

Redis Openid Connect Prometheus Zero Trust Network Access JSON Web Token Security Assertion Markup Language (SAML) Session Management Datadog Cloud Platform System Okta Grafana Caching Event Driven Architecture Customer Identity Access Management Kubernetes Apache Kafka User Identification Docker Microservices

Job 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 modeling, and supporting audits and compliance.

Requirements

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.