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Freiberufler Java Entwickler - 6 Monate

  • Location

    Frankfurt am Main, Hessen

  • Sector:

    Cloud and Software Tech

  • Job type:


  • Salary:

    Up to £0.00 per annum

  • Contact:

    Cristian Amanta

  • Contact email:

  • Salary high:


  • Salary low:


  • Job ref:


  • Published:

    about 1 year ago

  • Expiry date:


  • Consultant:


Senior Java Developer

Duration: 6 months project (with a possibility to extend)

Location: Frankfurt

Please note that as the documentation of the project is in German - we are looking for someone with at least B2 Level German.

We are looking for a senior Java EE developer with extraordinary attention to detail and excellent technical and communication skills. He/she will possess the desire and ability to develop and own technical and functional knowledge of application components. Required skills and experience include:

  • Solid understanding of object-oriented software design using UML, data modelling and architectural abstractions.
  • Solid understanding of and ability to apply Java and Java EE design patterns.
  • Strong desire to write testable software, and a solid mindset of unit testing the code that is produced.
  • Proven experience in creating RESTful APIs.
  • Experience working on highly scalable client facing application development.
  • Enterprise software application development with excellent knowledge of distributed computing (Java EE, Spring, ORM tools etc.) and security systems.
  • Proven experience in optimizing and troubleshooting complex Java EE solutions running on a Java EE application server (e.g. WebLogic, Websphere, Jboss etc.).
  • Experience leading, managing and coordinating technical aspects of large project.
  • Effective written and verbal communication skills with the ability to proactively raise concerns and take initiative to get the right people involved to bring issues to resolution.
  • Excellent interpersonal skills, good team player.
  • Experience with Spring Boot, Microservices and Docker

Technical Qualifications

  • 6+ years experience with Java
  • 5+ years experience with modern web applications: API development, self-contained services, service discovery, circuit breaking patterns, JSON and HAL.
  • 5+ years experience with Java EE (Servlets/JSP, MVC Framework, JMS, JDBC)
  • 5+ years experience with Integration Technology: RESTful web
  • 5+ years SQL, PL/SQL and RDBMS databases
  • 4+ years experience with Java EE Application Servers (e.g. WebLogic/WebSphere/JBoss or even Tomcat)
  • 4+ years experience with Spring Framework
  • 4+ years experience with REST API development tools such as Spring Boot, Spring MVC, JAX-RS
  • 4+ years experience with Hibernate, Spring Data or other ORM tools
  • 3+ years experience Common Utilities and Testing Tools: JUnit, Log4J, Ant, Maven
  • More than 1 year experience with Security Frameworks: LDAP, JAAS authentication, Spring Security, OpenAM