Full stack java Developer

About The Company 50Hertz Transmission GmbH is a leading transmission system operator in Germany, dedicated to ensuring a reliable, secure, and sustainable electricity supply across the northeastern regions of the country. As part of the European energy transition, 50Hertz plays a crucial role in integrating renewable energy sources into the national grid, supporting the country's climate goals.

The company emphasizes innovation, sustainability, and technological advancement to maintain grid stability and facilitate the transition to a low-carbon energy system. Located in Berlin, 50Hertz fosters a collaborative and forward-thinking environment, committed to digital transformation and operational excellence in the energy sector.

About The Role We are seeking a skilled Java Specialist to join our dynamic team and contribute to the ongoing development and operation of our service landscape at 50Hertz. In this pivotal role, you will be part of a company-wide task force working on the internet platform for Regelleistung, a comprehensive system used by the four German transmission network operators.

Your primary responsibilities will include developing robust software solutions, maintaining secure and reliable IT services, and ensuring the stability of critical infrastructure that supports the integrity of the German power grid. You will work collaboratively within a cross-functional Scrum team comprising developers, architects, and product owners, engaging in the entire service lifecycle from design and development to deployment and support. This position offers an excellent opportunity to influence the future of energy management in Germany, working on innovative projects that directly contribute to the stability and security of the national energy system.

Qualifications The ideal candidate will hold a degree in computer science, business informatics, or a comparable qualification. You should possess several years of professional experience in software development, particularly with TypeScript, JavaScript frameworks like React, Angular, or Vue, and Java-based services such as Spring Boot and Spring Cloud.

Experience with database management systems like PostgreSQL is essential. Candidates should have a solid understanding of developing high-availability, redundant applications, microservice architectures, API design, and containerization technologies such as Docker and Kubernetes. Familiarity with DevOps practices, application support, and modern development processes like CI/CD, automated testing, and version control is also required.

Excellent communication skills in English (minimum C1 level) and good command of German (minimum B2–C1) are necessary. Additional knowledge in cloud-native environments, energy market processes, and regulatory IT systems is advantageous, but not mandatory.

Responsibilities

• Collaborate within a cross-functional Scrum team, engaging in the full development lifecycle from conception to deployment and maintenance.
• Design, develop, and maintain distributed systems comprising React web applications and Java Spring Boot services.
• Create and maintain component libraries in TypeScript/React to support frontend development efforts.
• Participate in the analysis, troubleshooting, and resolution of production issues, ensuring system stability and performance.
• Implement and uphold high standards for code quality, security, documentation, and best practices.
• Support operational tasks, including system deployment, monitoring, and incident management.
• Contribute to the development of service and operational structures, supporting release and change management processes.
• Engage with stakeholders across departments, including operations, architecture, and product management, to ensure alignment and optimal service delivery.
• Continuously seek opportunities for process improvement, automation, and innovative technological solutions.

Benefits At 50Hertz, we offer a comprehensive benefits package designed to support our employees' well-being and professional growth. Our flexible work arrangements include a 37-hour workweek, flexible working hours, unlimited Gleitage (flexitime) options, and the possibility for mobile working, including remote work from home. We provide an attractive employee restaurant with freshly prepared meals daily, situated in a central location near Berlin Hauptbahnhof. Other benefits include a company pension scheme, a dedicated daycare facility and parent-child office for short-term care needs, and various social and cultural events such as team development days and company celebrations. We also promote health and well-being through professional counseling services covering mental health, legal advice, financial planning, and more. Employees enjoy 30 days of vacation annually and can participate in bike leasing programs for sustainable commuting. We encourage continuous learning and development, fostering a culture of innovation and responsibility in advancing the energy transition.

Equal Opportunity

50Hertz is committed to fostering an inclusive and diverse workplace where all employees are valued and respected. We believe that diversity in backgrounds, perspectives, and talents drives innovation and excellence. Our hiring practices are based on merit, and we actively promote equal opportunities for all applicants and employees regardless of gender, age, ethnicity, religion, disability, or sexual orientation.

We strive to create a work environment that supports personal development, collaboration, and mutual respect, ensuring everyone can contribute to our shared mission of reliable and sustainable energy supply.