
Java Developer (m/f/d)
Deutsche Telekom IT Solutions Slovakia5 months ago
Košice, SlovakiaSenior
Responsibilities
- Design, develop, and maintain complex backend microservices using Java, Spring, and related frameworks.
- Create high-quality business-oriented applications for collecting mobile network equipment attributes used in certification and commissioning.
- Conduct code reviews, write unit tests, and ensure adherence to coding standards and best practices.
- Identify and resolve performance bottlenecks and optimize applications for speed and scalability.
- Provide technical guidance and mentorship to team members.
- Maintain technical documentation and provide regular progress reports and updates.
- Collaborate closely with solution designers, business owners, and integrated project teams.
- Participate in stand-ups, sprint planning, and retrospectives.
Requirements
- Experience with Java and Spring Boot.
- Understanding of RESTful APIs and system integration.
- Experience with SQL or NoSQL databases and version control systems.
- At least 5 years of experience developing complex solutions.
- Experience with object-oriented programming and agile software development.
- Basic understanding of Camel and Camunda is preferred.
- Knowledge of Angular, React, testing tools or frameworks, Kubernetes, Docker, Git, cloud technologies, and Grafana is advantageous.
- Bachelor's or master's degree in information technology.
- Strong problem-solving, analytical, communication, teamwork, and attention-to-detail skills.
- Advanced programming, hardware/software overview, and general IT knowledge.
- English proficiency at least at B2 level; German is an advantage.
Benefits
- More than 25 benefits covering financial support, learning and development, health and sport, family support, work-life balance, and other areas.
- Work-life balance initiatives supporting physical and mental well-being, personal life, career growth, and flexible lifestyles.
- Remote work is available only within Slovakia due to European taxation regulations.
Categories
About Deutsche Telekom IT Solutions Slovakia
Deutsche Telekom IT Solutions Slovakia provides IT outsourcing and managed services to corporate clients, with specialties in cloud, applications, SAP, network, and service management. Operating as part of Deutsche Telekom Group, it serves customers primarily in Germany and across the EU, delivering end-to-end enterprise processes such as order-to-cash and procure-to-pay. The company is headquartered in Košice‑Juh, Slovakia, and combines consulting, project delivery, and ongoing operations support.