Senior Backend Engineer (Keycloak)

Flip GmbH
Berlin, Germany
6 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours

Tech stack

Microsoft Access Java (Programming Language) JavaScript (Programming Language) Computer-Aided Design Amazon Web Services Apache HTTP Server Software as a Service Continuous Integration Java Virtual Machine (JVM) PostgreSQL Memcached Enterprise Messaging Systems
+19 more
Node.Js NoSQL RabbitMQ Redis Blockchain Software Engineering SQL Databases TypeScript Docker for Aws Okta Backend Git Kotlin Kubernetes Apache Kafka Figma NestJS Docker User Administration

Job description

Arbeitsplatz

  • Qualifikationslevel B Ausübungsformen

Gewünschte Fähigkeiten & Kenntnisse

Kubernetes RabbitMQ Apache Kotlin TypeScript MS Access PostgreSQL Make Java Apache Kafka Messaging Entwicklungsumgebungen noSQL FinTech Crypto MOST Go Node.js Figma Design Security Server IT across Origin Übersetzungssoftware AWS JavaScript Docker GIT Continuous Integration SaaS, The Senior Back-End Developer will lead backend feature ownership, design modules, ensure service security, and collaborate cross-functionally, leveraging extensive experience in software development and crypto technology. Top Skills: Apache Kafka AWS Docker Git JavaScript Kubernetes Memcached Nest.Js Node.js NoSQL RabbitMQ Redis SQL Typescript

The Senior Back-End Developer will own features, design modules, ensure security, and improve services while collaborating across teams in a finance-focused environment. Top Skills: Apache Kafka AWS Ci/Cd Docker Figma Git Java Kotlin Kubernetes Memcached NoSQL RabbitMQ Redis SQL

Blockchain - Fintech - Software - Financial Services - Cryptocurrency The Senior Back End Engineer will lead the development of a Sportsbook platform, design software solutions, improve system performance, and manage the development lifecycle. Top Skills: AWS Ci/Cd Java Kotlin Spring

Empowering every employee. Our mission is to be the world’s most used by changing the way frontline employees work.AI employee experience platform

At Flip, we have a clear goal: to revolutionize the world for frontline workers and give them a voice. Become a Flip Game Changer and work with an unbeatable team to ensure that all employees, no matter where they work, have access to their company’s internal information. If you’re ready to make an impact and shape the work lives of millions of people, then you’ve come to the right place!

As our dedicated Keycloak Expert , you will be the definitive subject matter expert for authentication and authorization on our platform. You will be instrumental in defining the architecture, development, and operation of our User Management domain, eliminating the need for ongoing external consulting. This role is perfect for an expert who is passionate about taking deep ownership, ensuring the security and scalability of our IDP (Keycloak), and driving alignment on best practices across our international, cross-functional agile teams.

  • Design, Develop, and Operate:
  • Technical Authority:
  • Modern Practices:
  • Tech Stack:
  • Deployment and Operations: We’re seeking a deeply specialized engineer who is highly collaborative and ready to solve mission-critical identity challenges.

Requirements

  • Demonstrable Deep Expertise in Keycloak:Proven, hands-on experience in the architecture, configuration, deployment, and operational tuning of Keycloak.
  • Production IDP Experience:
  • Technical Leadership:
  • Collaboration: Nice to haves

  • Experience with JVM-based toolstacks , ideally wit Kotlin and Micronauth .
  • Familiarity with PostgreSQL .
  • Exposure to Messaging systems ( RabbitMQ, Apache Kafka).
  • Background in SaaS environments. What we offer you

About the company

At Flip, everyone is welcome - no matter what gender you identify as or how old you are. Sexual identity, origin, religion, world view and disabilities do not influence your potential job at Flip. The most important thing is that YOU fit in!

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:43 min

Exploring the Keycloak open-source identity and access system

Alexander Schwartz Alexander Schwartz · World Congress 2025

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Implementing custom component libraries with Figma

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Architecting single sign-on flows across multiple application domains

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