Infrastructure Setup & Configuration Design and implement a production-ready Keycloak setup aligned with organizational security and scalability requirements Integrate Keycloak with existing cloud infrastructure (e. g., Kubernetes, Azure, etc.) and CI/CD pipelines Configure realms, clients, roles, and identity providers based on project and application needs Documentation and Knowledge Transfer Develop internal documentation on Keycloak architecture, configuration procedures, and operational best practices Create developer guides detailing authentication and authorization flows for application teams Establish operational runbooks for common administrative and maintenance tasks Proven experience deploying and managing Keycloak in production environments Strong understanding of OAuth 2.0, OpenID Connect, SAML, and related identity standards Experience integrating Keycloak with Java Spring Boot and microservice architectures Background in DevOps or Cloud Platform Engineering Prior experience configuring Keycloak and the associated database Strong understanding of security best practices and compliance requirements Fluent Engish speaking skills A responsible project within a large international corporationThe prospect of exciting follow-up missions Ihr Kontakt Ansprechpartner Julia Ebler Referenznummer 864016/1 Kontakt aufnehmen Telefon:+49-(0)211-1793888667 E-Mail: julia.ebler@hays.de Anstellungsart Anstellung bei der Hays Professional Solutions GmbH
We are looking for you to support us in the design and development of business-critical IT solutions in the production environment.Ideally first experience in programming languages (Java, C#) and databases (SQL, Oracle)Interest in the area of manufacturing IT as well as in manufacturing processes and topics in the environment of MES & automationAnalytical thinking and quick comprehensionAbility to work in a team, reliability, engagement, willingness to learn and flexibilityConfident communication in German and EnglishAs a service-oriented company, creativity and engagement of the employees are particularly important.
Successfully completed studies, ideally with a focus on business information technology, automation technology, manufacturing or business management, alternatively comparable practical experienceBasic knowledge of programming languages (Java, C#), databases (SQL, Oracle), Windows and WebServer (IIS), cloud technology (AWS, Azure) is an advantageInterest in manufacturing processes and topics in the field of MES & automationAnalytical thinking, quick perception and understanding of customer requirementsAbility to work in a team, reliability and engagement as well as willingness to learn, flexibility and ability to handle stressConfident communication in German and EnglishAs a service-oriented company, creativity and engagement of the employees are particularly important.
Experience or certification in Databricks, SQL data warehousing, Azure Data lakes. Strong experience in SQL, SCALA, Phyton. Desirable knowledge in Java/.net. Knowledge of security protocols and devices such as stateful firewall, IPS, VPN, IPSec, TLS and L2-4 security. Strong initiative and hands-on mentality Strong communication and teamwork skills paired with intercultural competence.
Experience or certification in Databricks, SQL data warehousing, Azure Data lakes. Strong experience in SQL, SCALA, Phyton. Desirable knowledge in Java/.net. Knowledge of security protocols and devices such as stateful firewall, IPS, VPN, IPSec, TLS and L2-4 security. Strong initiative and hands-on mentality Strong communication and teamwork skills paired with intercultural competence.
Several years of professional experience in consulting or project management, ideally in the MES environmentIT and process knowledge in the areas of manufacturing, automation, machine connection or software development in the MES environmentIdeally, knowledge of MES standards (ISA-S95, S88), programming languages (Java, C#), databases (SQL, Oracle), Windows and WebServer (IIS) as well as cloud technology (AWS, Azure)Competent appearance at the customer by means of excellent communication and presentation skills in German and EnglishAnalytical, customer-oriented thinking skills and quick comprehension and understanding of customer requirementsAbility to work in a team, reliability and commitment as well as willingness to learn, flexibility and ability to work under pressureAs a service-oriented company, creativity and engagement of the employees are particularly important.
Ideally, initial professional experience in consulting or project management in the field of manufacturing ITIT know-how and interest in manufacturing processes as well as topics in the field of MES and automationBasic knowledge of programming languages (Java, C#), databases (SQL, Oracle), Windows and WebServer (IIS) as well as cloud technology (AWS, Azure) is an advantageAnalytical, customer-oriented thinking skills and quick perception and understanding of customer requirementsAbility to work in a team, reliability and engagement as well as willingness to learn, flexibility and ability to handle stressConfident communication skills in German and English as well as willingness to travel within the scope of customer projectsAs a service-oriented company, creativity and engagement of the employees are particularly important.
In this position, you will be part of the project team and will be jointly responsible for the recording of customer requirements as well as the successful design and implementation of our MES solutions at our customers' sites.Successfully completed studies, ideally with a focus on business informatics, manufacturing or business administration, alternatively comparable practical experienceYou enjoy solution-oriented work and consulting and have many years of professional experience in consulting or project management in the field of IT of production control solutions (MES, ERP, BDE)IT and process knowledge in the areas of manufacturing, automation, machine connection or software development in the MES environmentGood knowledge of MES standards (ISA-S95, S88), programming languages (Java, C#), databases (SQL, Oracle), Windows and ideally knowledge of WebServer (IIS) and cloud technology (AWS, Azure)Competent appearance at the customer by means of excellent communication- and presentation skills as well as negotation competence in German and EnglishAbility to work in a team, reliability and commitment, high flexibility and resilience as well as structured, targeted functioningEnjoy intensive intercultural cooperationAs a service-oriented company, creativity and engagement of the employees are particularly important.
Design and implement integration solutions using MuleSoft Platform to connect the Learning Experience Platform (LXP) with HR systems and external learning providers Take end-to-end ownership of integration solutions — define specifications, guide designs, take architectural decisions, perform unit tests, and ensure successful go-live Ensure integration landscapes align with enterprise standards and the long term platform roadmap Collaborate with engineering and product teams to translate business needs into technical integration requirements Monitor and analyze integration performance, support troubleshooting, and continuous optimization Produce clear documentation of integration flows, decisions, and processes Embed security, privacy, and compliance considerations into all integration activities Experience as a Java Architect with profound Java knowledge Extensive knowledge of the Mulesoft integration platform. Certification (e.g. Mulesoft Certified Developer) is a plus Strong understanding of system integration concepts, API management, and modern integration patterns Experience designing or supporting integration solutions using REST, SOAP, or event driven architectures Familiarity with API testing tools and automated testing practices (e.g., API test suites, CI/CD pipelines) Strong communication and collaboration skills, with the ability to work effectively across technical and non technical teams, managing dependencies, and ensuring transparent status reporting Languages: English (fluent), German (good knowledge) Possibilities to work in a home office A very renowned company Ihr Kontakt Ansprechpartner Olga Fester Referenznummer 864814/1 Kontakt aufnehmen E-Mail: olga.fester@hays.de Anstellungsart Freiberuflich für ein Projekt
Design and implement integration solutions using MuleSoft Platform to connect the Learning Experience Platform (LXP) with HR systems and external learning providers Take end-to-end ownership of integration solutions — define specifications, guide designs, take architectural decisions, perform unit tests, and ensure successful go-live Ensure integration landscapes align with enterprise standards and the long term platform roadmap Collaborate with engineering and product teams to translate business needs into technical integration requirements Monitor and analyze integration performance, support troubleshooting, and continuous optimization Produce clear documentation of integration flows, decisions, and processes Embed security, privacy, and compliance considerations into all integration activities Experience as a Java Architect with profound Java knowledge Extensive knowledge of the Mulesoft integration platform. Certification (e.g. Mulesoft Certified Developer) is a plus Strong understanding of system integration concepts, API management, and modern integration patterns Experience designing or supporting integration solutions using REST, SOAP, or event driven architectures Familiarity with API testing tools and automated testing practices (e.g., API test suites, CI/CD pipelines) Strong communication and collaboration skills, with the ability to work effectively across technical and non technical teams, managing dependencies, and ensuring transparent status reporting Languages: English (fluent), German (good knowledge) Possibilities to work in a home officeA very renowned company Ihr Kontakt Ansprechpartner Olga Fester Referenznummer 864814/1 Kontakt aufnehmen E-Mail: olga.fester@hays.de Anstellungsart Freiberuflich für ein Projekt
We are seeking a (Senior) Java Software Engineer (m/f/d) to join as a member of the the SCADA/IIoT software development team at Nordex which is responsible for the development and maintenance of the SCADA/IIoT solution as a product.
We are seeking a (Senior) Java Software Engineer (m/f/d) to join as a member of the the SCADA/IIoT software development team at Nordex which is responsible for the development and maintenance of the SCADA/IIoT solution as a product.
What makes you stand out You combine strong analytical and conceptual thinking with a keen understanding of customer needs.You are experienced in Java and JavaScript/TypeScript, familiar with common pitfalls, and know how to catch them early through automated testing.You have hands-on experience with acceptance testing tools such as Playwright, Cypress, or Selenium.You bring solid experience in system testing - using Postman for manual API tests and REST Assured with JUnit for automated ones.You have several years of development experience, with a strong focus on automated integration testing and test strategy design (TDD, BDD, risk-based testing).Ideally, you also have experience creating load test scenarios using JMeter and are familiar with cloud platforms such as Microsoft Azure.You enjoy working with containers and messaging systems like Kafka, and you’re eager to design automated test scenarios across a complex, distributed application landscape.You have practical experience in test case management and documentation, using tools such as Zephyr to ensure full test coverage.You have hands-on experience with system monitoring and observability, using tools such as Grafana and Instana to analyze performance metrics and detect issues early.You speak English fluently and have an good command in German in a business context.
What makes you stand out You have several years of professional experience as an integration expert.You have solid experience in the development and operation of secure, resilient, and scalable Java and Spring Boot applications.You bring strong technical know‑how in API development and integration.You have experience developing Apache Kafka clients as producers and consumers or working with other streaming technologies.You are also familiar with cloud and container technologies such as Azure, Docker, Kubernetes, Helm, or serverless functions.You have experience using testing tools such as Postman, Cucumber, RestAssured, or JMeter.You have very strong communication skills in German and English and are able to express yourself clearly and confidently both in writing and verbally.Optionally, you have experience with Apache Camel or other integration, middleware, or ESB tools.A plus is if you have solid experience in logging and monitoring and have worked with Grafana or ELK and Elastic monitoring stacks.
What makes you stand out Required Qualifications: You hold a degree in Computer Science or a related field and have 3+ years of experience in agile software development, with knowledge of the full engineering lifecycle.You have hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), MCP servers, agentic AI, and other advanced AI solutions, including practical experience in building and deploying such systems.You are familiar with AI cloud platforms such as Azure AI Foundry and/or conversational AI platforms (e.g., Cognigy), have hands-on DevOps skills ideally in the Azure Cloud (ADO), and bring basic knowledge of cloud technologies, preferably Microsoft Azure.You are familiar with programming fundamentals in at least one high‑level language such as Python, Java, or TypeScript, ideally developing microservices using frameworks such as Flask, Django, or Spring (Java).You communicate clearly and effectively in English and German.