Senior Java Developer â Full-time Software Development

Job Description

• Design and improve our 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 deployment pipelines for web applications.
• Profile applications to identify and resolve performance bottlenecks in our Java applications.

Your Profile

• Several years of hands-on experience in Software Engineering.
• Strong knowledge of Java (8, 11) and object-oriented software architectures.
• Experience with the Spring (Boot) framework.
• Proficiency 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 and Gradle.
• Experience working in agile teams with an organized, results-oriented work ethic for sustainable and scalable web systems.
• Good understanding of designing distributed systems.
• Proficient in English language skills, regardless of your mother tongue.

Nice to Have

• Experience with NoSQL databases.
• Previous experience with Lucene / Solr / Elasticsearch.
• Experience with Docker, Kubernetes, and Helm.
• Experience with Apache Ignite and Redis.
• Experience with Continuous Integration and Deployment tools like Jenkins.
• Knowledge of GraphQL is a plus.
• Experience with Reactive programming (Spring WebFlux).

Why Us

Freshcells Systems Engineering GmbH is a software service provider based in Düsseldorf, with a dynamic team of over 50 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 learn from them. We are open and courageous for new paths.

Our DNA is to create sustainable solutions with a commitment to excellence. We analyze our projects carefully in advance, which is why we deliver what we promise. Our advice is honest and customer-oriented.

Join us on our exciting journey in the most important and forward-looking area: software development as a full-time Fullstack Developer (m/f/d)!

If you are interested in a wide-ranging portfolio of projects, want to develop yourself continuously, and enjoy working independently and responsibly, please contact us. We look forward to hearing from you!

About Us

What You Can Expect at Freshcells

Designing, developing, and maintaining eCommerce applications is our business. We work with cutting-edge technologies, serve customers seeking more than average, and have a vibrant team of over 40 web experts aged 20 to 50 from five countries, plus seven office dogs. Our stylish office and rec room are located in a spacious former carpet factory in the heart of Düsseldorf.

We are vibrant and want to stay that way, always welcoming new colleagues. Communication in English is necessary; German is an advantage but not required. We are not a hire-and-fire company; we prefer to unwind with a cold drink after work. If you think you'd be a great addition to our team, check out our current vacancies to see where we're expanding.

Required Experience

Senior IC

Key Skills

• Employment Type: Full-Time
• Experience: Several years
• Vacancy: 1