Senior Java Developer (all genders)

Stellenbezeichnung: Senior Java Developer (all genders)

Firma: E-Star Trading GmbH

Arbeitsort / Location: Leipzig, Sachsen

Job Beschreibung: e*star provides trading solutions for the European energy markets and has more than 15 years of experience in this field. The European energy sector is currently undergoing a historic transformation due to the energy transition and digitalization. As experts in this field, e*star is working on shaping and developing the European energy market of the future – together with our customers.


  • Responsibility for the analysis, design and implementation in the context of our energy trading solutions regarding architecture, best practices, methods, standards and concepts
  • Support of IT transformations and challenging projects
  • Independent and autonomous conception and implementation of complex software solutions on the basis of current technology stacks and agile procedures
  • Technical and professional support in the development of new product and solution ideas
  • Ensuring the quality of our software solutions, e.g. through code reviews and a high degree of test automation
  • Developing new topics and technologies, deepening acquired knowledge and actively contributing to our team
  • Responsibility for the continuous improvement of the development process in the team


  • A suitable work permit
  • A degree in the field of (business) information technology or comparable courses of study or trainings
  • Profound practical experience in software development within the Java ecosystem as well as standard frameworks and databases
  • Experience with current tools, methods and processes of modern software engineering
  • Enjoyment of complex development tasks and varied projects as well as a passion for software development and a strong focus on the quality of the results
  • Experience with agile development methods such as Scrum or other agile methodologies
  • Very good knowledge of English – comparable to English level B2 or higher
  • Good knowledge of German is an advantage
  • Very good knowledge of Java SE 8 or above
  • Good knowledge of the Spring ecosystem
  • Nice to have knowledge of building application DevOps, microservices architecture
  • Nice to have knowledge of React or other JS Framework


  • Enjoy a professional environment within a relaxed, friendly corporate culture
  • Mobile working? Night owl or early bird? A classic consultant lifestyle with 5 days on site is not for you? With us you will find enough space for an optimal work-life balance
  • Stay healthy – our company supports you with a fixed health budget for individual services

This position is a remote position but you are more than welcome to work from our offices in Karlsruhe, Frankfurt, Leipzig or Bratislava (Slovakia).

We are a home for tech enthusiasts and doers. Origin, age, preferences – it doesn’t matter to us. What counts is that we burn for the common cause. We are already looking forward to getting to know you!

E-Star Trading GmbH

estar offers a full range of energy trading software as a service solutions to answer the individual needs of all companies trading in European Energy Markets. estar enables companies to trade directly with all market participants and increases reach and liquidity to maximize trading success.

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