Lead Software Engineer (REF5331H)

DeutscheTelekomITSolutions

Budapest, , Hungary Hybrid permanent

Posted: April 24, 2026

Quick Summary

We are seeking a Lead Software Engineer with expertise in developing scalable and secure software solutions. The ideal candidate will have hands-on experience in designing, developing, and deploying software applications, with a strong understanding of software development methodologies and principles. The successful candidate will be a team player with excellent communication skills and a collaborative mindset.

Job Description

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

We are the "rebels" of the networks and, together with the large IT clusters Rebell and Plural, are responsible for Deutsche Telekom's network management.

On this basis, individual market (L2BSA, DCIP, IP Transit, etc.) and mass market products (5G expansion, FTTH, FTTC, etc.) are produced.

FutureTasks:

• Lead the design and implementation of backend microservices for M2M communication
• Define and review architecture for new services and integrations
• Analysis and conceptual design for complex business requirements
• Collaborate closely with developers, architects, and business analysts
• Ensure performance, scalability, and reliability of solutions

Needed Skills:

• Strong experience in Java development and microservice architectures
• Expertise in RESTful API design, and event-driven communication (Stargate, Horizon)
• Solid experience with PostgreSQL (data modeling, queries, optimization)
• Ability to design and review software architecture for distributed systems
• Familiarity with CI/CD pipelines and containerization (Docker, Kubernetes)
• Strong analytical and conceptual skills for system design
• Leadership qualities and experience in guiding development teams
• Willingness and capability to integrate AI solutions for process optimization and workflow improvement

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

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