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OpenID Connect Experts in Berlin

in minutes from over 15,000 CVs with the power of AI.

Hire experts who design OIDC login flows, connect identity providers like Keycloak or Auth0, and harden token handling for modern apps and APIs. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Berlin, who have recently used OpenID Connect

Verified expert

Abhiroop Basu

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Software Engineer III

Berlin
Abhiroop Basu

Last position:

Software Engineer III at Foundry Digital

  • Developed and deployed microservices in Kotlin and Spring Boot, integrated AWS Secrets Manager to secure credentials and decreased network calls using Spring cache.
  • Refactored Kafka consumer using Spring Kafka with semaphore-based backpressure to cap records and keep heap memory stable under spikes; switched to batch upserts to cut down on database invocations; added Testcontainers integration tests for Kafka and database to pave the way for future changes.
  • Automated the financial reconciliation workflow in Spring Boot (Kotlin) using Spring Scheduler, transactional boundaries, JPA/Hibernate on MySQL, and Flyway migrations, saving the accounts team 16+ hours per week.
  • Designed and dockerized payments end-to-end test framework in Robot (Python) with reusable keyword libraries and profiles; integrated with GitLab CI (JaCoCo XML and HTML reports) to accelerate releases and lift code coverage to 80%.
  • Implemented end-to-end observability on Datadog by instrumenting services with Datadog APM, correlating metrics and logs, provisioning dashboards, and creating monitors with burn-rate alerts and anomalies to harden reliability and give stakeholders clear visibility.
Verified expert

Ola Van Dunen

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IT Lecturer

Berlin
Ola Van Dunen

Last position:

IT Lecturer

  • IT training in theory and practice for IT specialists in application development and system integration
Verified expert

Ursula Raab

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Sabbatical with Training

Berlin
Ursula Raab

Last position:

Sabbatical with Training at Own Sabbatical

Verified expert

Mario Jelinski

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Architect / Developer

Berlin
Mario Jelinski

Last position:

Architect / Developer at handyhase

  • Overhaul of the entire design and implementation of new UI/UX aspects using React
  • Planning of the software architecture and structuring of the project for long-term scalability using Git for version control
Verified expert

Ottavio Braun

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AI Systems Architect

Berlin
Ottavio Braun

Last position:

Semantic Test Framework for LLMs

Verified expert

Tobias Jaeuthe

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External Service Provider

Potsdam
Tobias Jaeuthe

Last position:

Design of an AI-Agent-Based ERP System

  • Design of an LLM-based agent system to control the ERP software
  • Development of agent workflows with LangGraph and PydanticAI
  • Planning interfaces between business logic and language models
  • Planning agent orchestration
  • Prototype development and demonstration

Tools: Python, Pydantic, React, LangChain, LangGraph, Linux

Verified expert

Tino Truppel

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Fractional AI Architect | AI Strategy Lead

Berlin
Tino Truppel

Last position:

Director Technology at Forte Digital Germany

  • Leading 20+ staff in development, site reliability engineering, and architecture.
  • Leading the group-wide agentic AI initiative (Norway, Poland, Germany).
  • Hands-on solution architect and AI consultant for over 50% of my working time on client projects in the publishing sector – from local publishers to international corporations.
  • Strategic consulting and technical implementation of AI workflow platforms (n8n, Workato).
  • Developing prototypes for traditional, AI-based, and agentic AI workflows.
Verified expert

Olaf Nouvortne

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Frontend Engineer

Berlin
Olaf Nouvortne

Last position:

Frontend Engineer at Danaher/Hach Lange GmbH

  • Developed a SolidJS frontend UI for a spectrometric water analysis system on an ARM-based embedded Linux platform
  • Prototyped UI in TypeScript React/Nx with LitElements and MQTT integration
  • Built production UI using SolidJS, SUID, i18next, Ajv, MQTT.js, C3.js
  • Refined requirements with UX team and water analysis system engineers
  • Defined and documented system architecture, MQTT message formats, frontend architecture, and development setup
  • Set up frontend system from scratch, implemented domain-oriented type system, UI components, and application state
  • Managed MQTT pub/sub services and schema-based message validation in frontend
  • Coached two junior frontend developers
  • Worked in an agile remote team using JIRA, Git, and Bitbucket

Discover over 15,000 top freelancers

Statistics of experts using OpenID Connect

Aggregated from the professional profiles of matched freelancers.

Experience

20 years

Position duration

1.7 years (Germany: 2 years)

Positions per freelancer

15 (Germany: 14)

Top business areas

Information Technology, Product Development, Project Management

Top industries

Information Technology, Education, Manufacturing

Certification focus areas

Information Technology, Project Management, Product Development

Bachelor's degree or higher

86% (Germany: 83%)

Master's degree or higher

71% (Germany: 53%)

Certifications per freelancer

1 (Germany: 2)

Most common languages

German, English, French

Speak two or more languages

100% (Germany: 94%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€480 €480-​640 €640-​800 €800-​960 €1120+

The chart shows how the daily rates of freelancers in this technology in Berlin 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 Berlin using OpenID Connect

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 703 €
Germany avg. 781 €

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 680 €
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

What it does

OpenID Connect, often called OIDC, is an identity layer built on OAuth 2.0. It lets apps verify who a user is and receive basic profile claims in a standard way. Teams use it for single sign-on, API access, and secure login across web, mobile, and internal tools.

Where it fits

  • User login for customer portals and SaaS products
  • Single sign-on across internal systems
  • API authentication with access and ID tokens
  • Identity federation with external providers

OIDC is common in products that need clean integration with Microsoft, Google, or enterprise identity systems. In Berlin, it often appears in software, fintech, media, and B2B platforms that need secure access across teams and services.

Ecosystem

Strong specialists know the protocol details and the surrounding identity stack:

  • OAuth 2.0 and token lifecycles
  • JWT, JWKs, and claim mapping
  • PKCE, refresh tokens, and session design
  • Keycloak, Auth0, Azure AD, Okta, and similar providers

They also understand how browsers, mobile clients, and backend services each handle redirects, consent screens, and token validation differently.

When to bring in help

Companies usually ask for freelance expertise when an existing login flow becomes hard to maintain, an identity provider changes, or a new app must join an established SSO setup. The work often includes federation, migration from older auth logic, or fixing edge cases around token expiry, logout, and user provisioning.

What good specialists do

Good professionals design flows that are simple for users and strict for systems. They check issuer, audience, scopes, and signature validation carefully, and they keep secrets, redirects, and session state under control. They also document the flow so product, backend, and security teams can support it later.

Signs you need one

  • Logins fail across browsers or devices
  • Multiple apps need one identity source
  • Access tokens are accepted too loosely
  • Logout, consent, or refresh logic is unclear

If your team is moving from a custom login to OIDC, a specialist can reduce risk quickly. Remote collaboration works well for most of the work, while on-site sessions in Berlin can help with architecture reviews and security alignment.

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Frequently asked questions

What clients ask us most about OpenID Connect — answered in short.

OpenID Connect is used to confirm a user’s identity and support secure sign-in across apps and APIs. It is a common choice for single sign-on, external identity providers, and login flows that need standard tokens and claims. Teams choose it when they want interoperability instead of a custom auth setup.

OpenID Connect sits on top of OAuth 2.0, but it serves a different purpose. OAuth 2.0 is mainly about authorization, while OIDC adds a standard way to authenticate users and receive identity data. In practice, many projects need both, but they are not the same thing.

A strong OIDC setup is usually a better fit for modern web apps, mobile apps, and API-first products. SAML still shows up in older enterprise environments, especially where browser-based SSO is already established. If the project needs lighter integration and modern token handling, OIDC is often preferred.

A solid OpenID Connect specialist should understand OAuth 2.0, JWT validation, token lifetimes, and PKCE. They should also be comfortable with identity providers such as Keycloak, Auth0, Azure AD, or Okta. Good security judgment matters as much as protocol knowledge.

OIDC looks simple at first, but production work is unforgiving. A small change to redirect handling, claims, or logout can break access in subtle ways. For anything beyond a basic proof of concept, teams usually want someone who has handled real identity flows before.

Yes. OpenID Connect work is usually easy to do remotely because most tasks involve configuration, code review, and test environments rather than constant in-person access. In Berlin, on-site time can still help when security, product, and backend teams need to align on login architecture.

Look for clear explanations of issuer, audience, scopes, and token validation, not just general auth talk. A strong OpenID Connect professional can explain failure cases, show how they test login and logout flows, and describe how they handle identity provider changes. Good documentation is a strong sign as well.

OpenID Connect often sits next to OAuth 2.0 gateways, API backends, user directories, and identity platforms. It also touches frontend routing, mobile login, and session management. If the project includes provisioning or access control, the specialist may also need to work with SCIM or role mapping.

The average hourly rate of freelancers in Berlin, Germany who have used OpenID Connect in their recent projects is 88 €, which corresponds to a daily rate of about 703 € based on an 8-hour working day.

Of the freelancers in Berlin, Germany who have used OpenID Connect in their recent projects, 86% hold at least a Bachelor's degree and 71% hold at least a Master's degree.

On average, freelancers in Berlin, Germany who have used OpenID Connect in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.7 years.

The most common languages among freelancers in Berlin, Germany who have used OpenID Connect in their recent projects are German (100%), English (100%), and French (20%).

The most common industries among freelancers in Berlin, Germany who have used OpenID Connect in their recent projects are Information Technology (100%), Education (50%), and Manufacturing (50%).

The most common business areas among freelancers in Berlin, Germany who have used OpenID Connect in their recent projects are Information Technology (100%), Product Development (90%), and Project Management (70%).

Main locations of FRATCH Experts, who have recently used OpenID Connect

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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