Senior Java Developer - project Atlas (m/f/d)
deutschetelekomitsolutionsslovakia
Košice, Košický kraj, Slovakia (Slovak Republic) · Košice · Slovakia
Posted May 29, 2026
- Full-time
- Hybrid
- Telekom IT Slovakia
- Mid-Senior Level
deutschetelekomitsolutionsslovakia
Košice, Košický kraj, Slovakia (Slovak Republic) · Košice · Slovakia
Posted May 29, 2026
Company Description Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services. Job Description Our mission: As a dynamic, flat and international organization, we shape the future of Deutsche Telekom IT in integrated teams consisting of all relevant competencies – it goes without saying that Telekom customers are also part of these teams. Project Overview The project involves developing and maintaining microservice applications using the Java, Spring framework and its deployment to AWS environment. As backend developer, you will be responsible for creating high-quality business-oriented applications, which focus on for orchestration and automation of radio network planning and building processes. You will closely cooperate with solution designer and business owners of solution. This role demands a comprehensive understanding of Java, Spring framework, REST practices and requires a proactive approach to problem-solving, a keen eye for detail, and a commitment to staying updated with the latest industry trends and best practices. WHAT WILL YOU DO? • Design, develop, and maintain complex microservices using one of above mentioned frameworks. • Ensure code quality and maintainability by conducting code reviews and writing unit and integration tests. • Participate in daily stand-ups, sprint planning, and retrospective meetings. • Identify and resolve performance bottlenecks to ensure the application runs efficiently. • Provide technical guidance and mentorship • Lead code reviews and ensure adherence to best practices and coding standards. • Create and maintain technical documentation for reference and reporting purposes • Update technical documentation • Share regular progress reports and updates Tech Stacks We are searching for candidates with Java, Spring Boot skills. Qualifications YOU WILL SUCCEED IF YOU: • have proficiency in Java, Spring boot. • have a strong understanding of RESTful APIs and integration. • have experience with databases (SQL - MySQL, H2) • have experience with version control systems (Git). • have excellent problem-solving skills and attention to detail. • have strong communication and teamwork abilities • have at least a basic understanding of Camunda. Additional Information WHY SHOULD YOU CHOOSE US? We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas: Financial benefits Benefits with focus on learning and development Benefits with focus on health and sport Benefits with focus on family and work – life balance Other benefits For more information about our benefits click to Benefits Salary 3100 - 3700 eur / brutto We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 3100 € /brutto. Additional information * Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.