Log inSign up free
  • Home
  • Profile
  • Jobs
    • Applications
    • Career
    • Resume
    • Cover letters
  • Content
    • Posts
    • Media
  • Messages
  • Analytics
    • Overview
    • Pages
  • Portfolio
  • More tools
    • Hiring
  • Settings
All jobs
DTDeutsche Telekom IT Solutions Slovakia logo

Deutsche Telekom IT Solutions Slovakia

Košice, sk

Lead Java Developer (m/f/d).

FULL TIMESENIOR LEVELENGINEERING

As the Login & Access Hub, we provide a central authentication service for millions of external customers, enabling access to essential services such as TV, email, Customer Center, and OneApp. With over 70 million logins and 15 million unique active users daily, this functionality is critical to the customer experience. The login process is far more complex than it appears, relying on a combination of existing and new applications. Our team works every day to enhance and simplify the login experience while integrating innovative solutions like OneApp and OneShop. We are looking for talented professionals to join us in shaping the future of secure and seamless access.

Purpose

The Lead Java Developer is responsible for designing, developing, and maintaining complex software applications while managing all phases of the software development lifecycle. This includes analyzing requirements, creating technical solutions, implementing features, testing, and optimizing performance. The role involves acting as a technical leader and mentor, ensuring architectural consistency and guiding the development team toward best practices. The Lead Java Developer collaborates closely with Product Owners and Managers to align technology decisions with business objectives and contributes to strategic initiatives. This position offers the opportunity to work with cutting-edge technologies in an agile environment that fosters innovation, scalability, and continuous improvement.

 

WHAT WILL YOU DO?

  • Design, develop, and maintain software applications for strategic products.
  • Analyze requirements, prepare solution designs, and implement features.
  • Automate infrastructure and application deployments.
  • Monitor and optimize system performance to guarantee high availability and reliability.
  • Contribute to system testing and support fault analyses.
  • Develop and execute unit tests to ensure code quality and functionality.
  • Works in SCRUM team on developing and building complex application solutions for customer DTAG
  • Implement customer’s requirements based on specification in selected object-oriented programming language into functional and user-friendly application
  • Provide testing of programmed functionality before deployment to avoid bugs and ensure quality of code
  • Listen to user requests, consult with internal /external customers, project managers.
  • Mentoring
  • Take part on internal evaluation processes

YOU WILL SUCCEED IF YOU:

  • Hold a Master’s degree in Information Technologies
  • Have at least 7 years of experience in ICT Systems Engineering
  • Are an expert in programming with Java and have strong knowledge of Spring Boot and Hibernate
  • Possess advanced knowledge of RESTful APIs, web services, containerization (Docker/Kubernetes), and CI/CD pipelines
  • Have advanced experience with database development (OracleDB, PostgreSQL)
  • Are skilled in working with Linux-based operating systems
  • Demonstrate strong general IT skills
  • Excel in communication, analytical thinking, team cooperation, mentoring, and product management
  • Speak English at an upper-intermediate level (B2)
  • Bring experience from a senior application development position
  • You’re driven by a passion for AI, committed to continuous learning, and excited to make AI a core part of your daily work—constantly exploring innovative ways to implement it and unlock its full potential

Benefits

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

Final salary is negotiable.

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 4100 € /brutto.

Additional information

* Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.

Pay
Not stated
Where
Košice, sk
Work
Not stated
Type
Full time
Posted
22 Oct, 2026
Apply on the original postingSign in to apply

Unverified board

more at Deutsche Telekom IT Solutions Slovakia.

22 Oct, 2026

Deutsche Telekom IT Solutions Slovakia

Senior .NET Developer with Angular skills (m/f/d)

DTDeutsche Telekom IT Solutions Slovakia logo
  • Full time
  • Senior level
  • Engineering

Košice, sk

Full time

Details
22 Oct, 2026

Deutsche Telekom IT Solutions Slovakia

Java Developer (m/f/d)

DTDeutsche Telekom IT Solutions Slovakia logo
  • Full time
  • Engineering

Košice, sk

Full time

Details
22 Oct, 2026

Deutsche Telekom IT Solutions Slovakia

Senior Java Developer (m/f/d)

DTDeutsche Telekom IT Solutions Slovakia logo
  • Full time
  • Senior level
  • Remote
  • Engineering

Košice, sk

Remote

Details

similar roles.

3 Jul, 2026

Freshfields

Solution Design Engineer

FRFreshfields logo
  • Engineering

Bratislava, Slovakia

Salary not listed

Details
9 Oct, 2026

Freshfields

Legal Solutions Architect

FRFreshfields logo
  • Senior level
  • Engineering

$325k–375k/yr

New York, United States of America

Details
22 Oct, 2026

Astrazeneca

Head of Enterprise Digital Engineering

ASAstrazeneca logo
  • Leadership
  • Engineering

UK - Cambridge

Salary not listed

Details
22 Oct, 2026

Astrazeneca

Principal Product Engineer - Evinova

ASAstrazeneca logo
  • Staff level
  • Engineering

US - Gaithersburg - MD

Salary not listed

Details
25 Dec, 2024

Eriks

Sales Engineer

EREriks logo
  • Remote
  • Engineering

Shanghai, China

Remote

Details
29 Aug, 2025

Eriks

Sales Engineer

EREriks logo
  • Remote
  • Engineering

Asse, Belgium

Remote

Details