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Senior Java Developer

vor 1 Monat

Düsseldorf, Nordrhein-Westfalen, Deutschland freshcells systems engineering GmbH Vollzeit
Senior Java Developer

freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 40 creative experts from various fields. We focus on authenticity, individual talent development, and open communication. We build on respect, trust, and responsibility. As an innovation-driven company, we invest in new ideas. We know that the best results are achieved as a team. We make mistakes, but we learn from them. We are open and courageous for new ways.

Key Responsibilities
  • Design and improve high-performance Java web applications using industry-standard frameworks.
  • Conceptualize and implement new features for sophisticated software solutions in collaboration with project management, design, and development teams.
  • Write automated software tests and set up deployments for web applications.
  • Profile and discover performance bottlenecks in Java applications.
Requirements
  • Several years of hands-on experience in software engineering.
  • Solid knowledge of Java (8, 11) and object-oriented software architectures.
  • Experience with the Spring (Boot) framework.
  • Experience in SQL.
  • Experience in software integration development (SOAP/REST).
  • Comfortable with microservices architectures, API-based, and event-based communication.
  • Experience with build tools (like Maven, Gradle).
  • Experience in agile development in a team and an organized and result-oriented work ethic for sustainable and scalable web systems.
  • Good knowledge of how to design distributed systems.
  • Good knowledge of the English language, regardless of your mother tongue.
Nice to Have
  • Experience in NoSQL.
  • Previous experience with Lucene/Solr/Elasticsearch.
  • Experience with Docker and ideally, experience with Kubernetes and Helm.
  • Experience with Apache Ignite and Redis.
  • Continuous Integration and Deployment with Jenkins (or others).
  • Experience with GraphQL is a plus.
  • Experience with Reactive programming (Spring WebFlux).
What We Offer
  • Flexible work hours for early risers and night owls.
  • Flexible home office days.
  • Company pension scheme with employer contribution.
  • Subsidy for the "Deutschlandticket".
  • Advantage portal with offers in online stores and branches of various brands.
  • High-end equipment for private use too.
  • A secure and long-term workplace.
  • Regular feedback, team meetings & retrospectives.
  • Room for your own ideas and personal development.
  • Digital training courses, freely available to every employee.
  • Support with relocating processes, as well as free German courses for newcomers.
  • Joint activities such as summer and winter parties, monthly company breakfast, etc.
  • A dog-friendly working environment.

All people are welcome here, regardless of gender, age, sexual identity, origin, religion, ideology, with or without a disability. The main thing is that you fit in with us.