Lead Software Engineer - N4F - (REF5331H)

Stack

Responsibilities

• ▹Designing and developing Java-based backend microservices
• ▹Building scalable distributed systems
• ▹REST and event-driven communication
• ▹Network provisioning and orchestration workflows
• ▹PostgreSQL modeling and optimization
• ▹CI/CD pipelines and containerized environments
• ▹Kubernetes / Docker infrastructure
• ▹Integration of complex business and network management systems
• ▹Technical mentoring and architecture reviews
• ▹Helping modernize legacy telco platforms into modern distributed architectures

Requirements

• ▹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)
• ▹Willingness and capability to integrate AI solutions for process optimization and workflow improvement

Soft skills

What we offer

• ▹Remote working possibility (only within Hungary, due to European taxation regulations)

About the company

Deutsche Telekom IT Solutions, ranked as Hungary's most attractive employer in 2025 (according to Randstad's representative survey), is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5,300 employees, serving hundreds of large customers and corporations in Germany and other European countries. DT-ITS received the Best in Educational Cooperation award from HIPA in 2019 and was acknowledged as the Most Ethical Multinational Company the same year. The company continuously develops its four sites in Budapest, Debrecen, Pécs, and Szeged. The team works on systems supporting Deutsche Telekom's large-scale, mission-critical telco infrastructure, including 5G rollout, FTTH/FTTC broadband provisioning, IP Transit services, distributed network orchestration, and machine-to-machine communication workflows.