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Keycloak Experts in Cologne

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Hire experts who set up Keycloak realms, client flows, SSO, and identity federation for modern applications. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Cologne, who have recently used Keycloak

Verified expert

Markus Glagla

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Full Stack Developer

Frechen
Markus Glagla

Last position:

Full Stack Developer at REWE Digital

  • A warehouse valuation system was reimplemented using Java, Spring Boot, and Camunda. The backend solution focuses on integration and batch calculations, the frontend on managing formulas and reviewing results.
  • Java 21
  • Spring Boot
  • JPA
  • Maven
  • REST
  • Kafka
  • PostgreSQL
  • DB2
  • Liquibase
  • Google Cloud Storage
  • Keycloak
  • GitLab CI/CD
  • Helm
  • Terragrunt
  • SonarQube
  • Angular
  • IntelliJ
  • JUnit 5
  • Mockito
  • Open API
Verified expert

Jens Hagemeyer-Lee

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#52 Test Manager in Safety-Critical Infrastructure

Köln
Jens Hagemeyer-Lee

Last position:

#52 Test Manager in Safety-Critical Infrastructure at Telecommunications Company

  • Network elements, network, operational and operator-related systems
  • Supporting around 20 different products (managed agile)
  • Requirements analysis and management (functional and non-functional)
  • Test concept and planning (scope, test phases, effort, schedule, resources, organization, etc.)
  • Aligning approach with clients and service providers
  • Managing and assisting in creation of test cases for system, integration and end-to-end tests
  • Guiding and supporting test execution
  • Defect management and planning bug fixes with external providers
  • Preparing and facilitating workshops
  • Regular reporting and creating automated test reports
  • Further development of agile testing methodology and configuration of supporting tools
  • Conceptual support in developing a quality seal for rating product and service quality of internal and external providers
  • Requirements engineering based on ISO/IEC 25010, Scrum, SaFE
  • BMC Remedy, Atlassian Confluence, Atlassian Jira (including plugins Xray, Structure), Microsoft Office (incl. Visio), Obsidian, doxis document management system, Gitlab, Obsidian
Verified expert

Ayhan Gezer

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Senior QA Engineer / Test Automation Engineer / SDET

Cologne
Ayhan Gezer

Last position:

Senior QA Engineer / Test Automation Engineer / SDET at Rewe digital

Consulting, designing, and implementing the software testing lifecycle for multiple Android apps and backends Introducing test automation with Appium, SpringBootTest, RestAssured Setting up and managing emulators Developing an E2E library, an integration library, a Testcontainers library, and other libraries Developing, implementing, and advising on CI strategies Building the test environment with Testcontainers and virtualization Developing and implementing test cases for integration tests and end-to-end tests Establishing a maintainable test architecture with low entry barriers to simplify the creation of automated tests Some tools and technologies used: JUnit, RestAssured, Testcontainers, Kubedock, Appium, Android emulator, Jira Xray, Mockito, WireMock, Spring Framework, Kotlin

Verified expert

Manuel Schneider

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Apro-IT – Make IT A Project!

Köln
Manuel Schneider

Last position:

Project Manager at Univention

Industry: digital sovereignty, public sector

Content:

  • Project steering (teams: consulting, development, testing, deployment/operations)

Products and standards:

  • Jira, Confluence, Asana, Miro, Mural
  • Open Source, Keycloak, Open Xchange, ownCloud
Verified expert

Pierre Gronau

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Ansible Automation, Windows Third Level Support

Cologne
Pierre Gronau

Last position:

Ansible Automation, Windows Third Level Support at DB InfraGO AG

  • PRISMA project
  • Ansible automation
  • Windows third level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Verified expert

Vladimir Maznicenko

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Developer

Brühl
Vladimir Maznicenko

Last position:

Developer at Financial services provider

  • Support and further development of a framework for developing applications in a banking association: DynS/OSPE
  • Migration of the framework to Java 11 and Java 17
  • Java8, Java11 and Java17, Spring, Spring-Batch, Spring WebServices, Spring-Security, Spring-Data, JPA, Hibernate, OpenSource libraries etc.
  • XML, JAXB, JSON, REST and SOAP services, DB2, Oracle, WebSphere or Liberty AS, FreeMaker, Junit, mock libraries, JaCoCo, Maven, IntelliJ, Eclipse, GitHub, SVN, Jira

Discover over 15,000 top freelancers

Statistics of experts using Keycloak

Aggregated from the professional profiles of matched freelancers.

Experience

18 years

Position duration

1.3 years (Germany: 1.7 years)

Positions per freelancer

23 (Germany: 13)

Top business areas

Information Technology, Product Development, Quality Assurance

Top industries

Information Technology, Automotive, Banking and Finance

Certification focus areas

Information Technology, Product Development, Business Intelligence

Bachelor's degree or higher

100% (Germany: 87%)

Master's degree or higher

86% (Germany: 53%)

Doctorate

14% (Germany: 10%)

Certifications per freelancer

2

Most common languages

German, English, French

Speak two or more languages

100% (Germany: 97%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€480 €480-​640 €640-​800 €960+

The chart shows how the daily rates of freelancers in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.

Average rates of experts in Cologne using Keycloak

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 792 €
Germany avg. 779 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 740 €
Germany median 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

About the technology

Identity control

Keycloak is used to manage login, access, and identity across web apps, APIs, and internal tools. It centralizes authentication so teams do not build custom sign-in logic in every service. Companies use it when they need single sign-on, social login, or user federation in one place.

Core setup

A strong Keycloak specialist works with realms, clients, roles, groups, and token settings. They tune OpenID Connect and SAML flows, configure identity providers, and align session and logout behavior with the application landscape. Good setup work keeps access clean and predictable.

Typical delivery

  • Single sign-on for portals and internal systems
  • User federation with LDAP or Active Directory
  • Client setup for web, mobile, and API access
  • Role design and access policies
  • Login and consent flow adjustments

Ecosystem skills

Keycloak sits close to OAuth 2.0, OpenID Connect, SAML, LDAP, and directory services. Experts often also work with Java ecosystems, reverse proxies, container setups, and cloud environments. Strong professionals understand where identity ends and application authorization begins.

When freelancers help

Teams bring in freelance Keycloak professionals during new rollouts, migrations from older identity tools, or when login problems block releases. This is common in Cologne when companies need experienced support for enterprise systems, customer portals, or mixed on-site and remote collaboration. Short-term help is also useful for reviews and hardening.

What good looks like

A reliable specialist documents the flow, avoids fragile custom code, and checks token lifetimes, key rotation, and session handling. They test edge cases such as password resets, logout, and provider failure. The best experts leave the identity setup easy to operate, extend, and audit.

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Frequently asked questions

Need clarity? These are the questions we hear most often about Keycloak.

Keycloak is used to control sign-in, single sign-on, and access across apps and APIs. It helps companies keep identity logic out of individual services and manage users, roles, and external identity providers in one place. That makes it a common fit for portals, internal systems, and customer-facing platforms.

Keycloak is often chosen when teams want a self-managed identity layer with support for OpenID Connect, OAuth 2.0, and SAML. Compared with lighter libraries, it covers more of the identity lifecycle; compared with fully managed identity services, it gives more control over setup and hosting. The right choice depends on your security model and operating preferences.

A strong Keycloak specialist usually understands LDAP or Active Directory, token-based authentication, and common proxy or container setups. Knowledge of Java-based systems, API security, and browser session behavior also helps. These skills matter because identity work often touches many layers of the application stack.

A simple login integration may need only focused setup work, but a full identity rollout needs someone who has handled client registration, federation, and logout behavior before. Keycloak becomes more demanding when multiple apps, external identity providers, or legacy directories are involved. In those cases, proven delivery matters more than general security knowledge alone.

Yes. Keycloak can connect to LDAP and Active Directory for user federation and can also act as a central login layer on top of existing directories. That makes it useful when a company wants modern sign-in without replacing the current user store.

Most Keycloak work can be done remotely because it relies on configuration, testing, and application integration. On-site time can help at the start of a rollout or when access to internal systems, security teams, or legacy infrastructure is needed. In Cologne, many teams use a mix of remote delivery and local workshops.

Look for clear reasoning about realms, clients, roles, token settings, and identity provider flows, not just basic login setup. A strong Keycloak professional can explain trade-offs, document decisions, and show how they handled logout, renewal, and error cases. Clean configuration and stable integrations are better signs than clever shortcuts.

Common signs are broken single sign-on, confusing role handling, failed token validation, or slow release cycles around authentication changes. Keycloak expertise is also useful when a team plans a migration, adds a new identity provider, or needs to harden access flows. These issues usually need someone who can trace identity across the full system.

The average hourly rate of freelancers in Cologne, Germany who have used Keycloak in their recent projects is 99 €, which corresponds to a daily rate of about 792 € based on an 8-hour working day.

Of the freelancers in Cologne, Germany who have used Keycloak in their recent projects, 100% hold at least a Bachelor's degree, 86% hold at least a Master's degree, and 14% hold a doctorate.

On average, freelancers in Cologne, Germany who have used Keycloak in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.3 years.

The most common languages among freelancers in Cologne, Germany who have used Keycloak in their recent projects are German (100%), English (100%), and French (38%).

The most common industries among freelancers in Cologne, Germany who have used Keycloak in their recent projects are Information Technology (88%), Automotive (75%), and Banking and Finance (63%).

The most common business areas among freelancers in Cologne, Germany who have used Keycloak in their recent projects are Information Technology (100%), Product Development (88%), and Quality Assurance (88%).

Main locations of FRATCH Experts, who have recently used Keycloak

Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

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Philipp Thomaschewski

FRATCH CEO

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