Backend Developer Kotlin (m/w/d)

buesken strategy & consulting Backend Developer Kotlin (m/f/d) Düsseldorf, Germany (hybrid) Employee IT €65,000 to €85,000 per year I am looking for a Kotlin Backend Developer (m/f/d) for a growing software company in Düsseldorf who would like to help develop modern and technically sophisticated backend solutions and continue to grow professionally in a forward-looking environment over the long term. You can expect a young and dynamic team with short decision-making paths, plenty of technical freedom, and the opportunity to actively shape the company’s future growth in an exciting environment. You’ll work on long-term software projects, further develop interfaces and backend components, take on responsibility, and have the chance to directly contribute your ideas to the technical development process. Responsibilities Development and enhancement of modern backend applications using Kotlin Design, development, and integration of interfaces and REST APIs Analysis and expansion of existing Java-based software components Collaboration on the technical design and architecture of new features Implementation and further development of AI-powered applications Ensuring high software quality through testing, code reviews, and documentation Close collaboration with the development team in an agile work environment Qualifications Practical experience in backend development with Kotlin outside of Android development Knowledge of Java 17 Development of modern REST APIs Strong knowledge of Gradle and Maven Independent, structured, and solution-oriented approach to work High sense of responsibility and professional handling of confidential information Willingness to collaborate on security-related software projects German language skills at least at the C1 level Benefits Three days of remote work per week Modern work environment in a central location in Düsseldorf Free parking directly at the office Flexible working hours and a 38.5-hour workweek The opportunity to receive a company car Plenty of creative freedom and short decision-making paths Long-term career prospects in a growing company Even if you don’t meet every requirement 100 percent, I look forward to receiving your application! buesken strategy & consulting 1–10 employees Recruitment Consulting and Placement I help companies fill key positions in finance, banking, real estate, tech, and office roles. I personally guide candidates through the entire application process, from the initial consultation to signing the contract. In doing so, I rely on a well-established network, a genuine interest in people, and short, direct communication channels instead of endless processes. I look forward to connecting with you! Website