Senior Application Developer - Project Gigabit

Join Deutsche Telekom IT Solutions Slovakia and be a key player in building the Gigabit Business Framework, an innovative platform delivering ultra-fast gigabit connectivity across Europe. This is your chance to revolutionize internet service delivery with smart technologies and a customer-first approach.

As a Senior Application Developer, you will work in an agile, international team, contributing to a platform that enables instant service activation, demand-based infrastructure rollout, and dynamic pre-sales activities. We release directly into production, continuously improve, and collaborate across teams to build robust, scalable, and future-ready solutions.

About Deutsche Telekom IT Solutions Slovakia

Since 2006, Deutsche Telekom IT Solutions Slovakia has been a significant part of the Košice region, growing into the second-largest employer with over 3900 employees. We are dedicated to continuous transformation and providing innovative information and communication technology services.

Our Mission

We shape the future of Deutsche Telekom IT in integrated, dynamic, and flat international teams, always with the customer at the center.

Our Focus Areas:

• Architectural Evolution: Transitioning from monolithic systems to a decoupled API architecture for enhanced efficiency, reliability, and scalability.
• Cloud Transition: Leveraging top-tier cloud solutions (AWS, Azure, Google Cloud) and migrating from on-premise to a robust cloud infrastructure.
• Cutting-Edge Technology: Actively employing modern technologies to foster learning and professional growth.
• Agile Collaboration: Utilizing Scrum and SAFe methodologies for dynamic teamwork and efficient workflows.
• Innovation & Value Creation: Redesigning current solutions, embarking on greenfield projects, and fostering a culture of innovation through strategic prototyping.

What You Will Do:

• Develop and maintain source code for applications.
• Work within a SCRUM team to build complex application solutions for DTAG customers.
• Mentor junior and medior developers.
• Analyze customer requirements and propose application/framework designs.
• Provide project estimates, timelines, and report to customers for budget planning.
• Implement customer requirements into functional and user-friendly applications.
• Conduct thorough testing to ensure code quality and prevent bugs.
• Implement security concepts according to PSA policy and DTAG standards.
• Participate in internal evaluation processes.
• Take product responsibility from a technology perspective.
• Negotiate technology stacks with Product Owners/Product Managers.

Tech Stacks:

• Primary: React, Angular, Java, Spring Boot, Quarkus.
• Preferred: Testing tools/frameworks, Kubernetes, Docker, Microservices, Git, Cloud technologies (AWS, Azure, Google), Databases, Grafana.

Qualifications:

• Systematic skills in React and Angular.
• Experience in application programming with object-oriented languages and agile methodologies (e.g., Scrum).
• Advanced knowledge in Programming, HW/SW Overview, and General IT Overview.
• Strong soft skills: Communication, Analytical thinking, Team Cooperation.
• English proficiency (B2 level); German is an advantage.
• Create and validate business requirements (Epics, User Stories).
• Describe processes and dataflows in Epics and User Stories.
• Work in an ecosystem with microservices delivered in CI/CD mode.
• Collaborate with Business Owners, Product Owners, Product Management, and Architects.
• Evaluate business models and integrate them into technology solutions.
• Identify and collaborate with interface partners.
• Help identify critical non-functional requirements (NFRs).
• Analyze and align REST APIs.

Why Choose Us?

We believe in a strong work-life balance, offering over 25 benefits focused on financial well-being, learning and development, health and sport, family, and work-life balance. For more information, visit Benefits.

Salary

• €3100 - €3700 bruto per month, based on seniority and experience.
• Base salary will not be lower than €3100 bruto.

Additional Information:

• Remote working is possible only within Slovakia due to European taxation regulations.