Lead Software Engineer - N4F - (REF5331H)

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
• Tech Stack:
• Java
• Microservices
• REST APIs
• PostgreSQL
• Docker
• Kubernetes
• CI/CD
• Event-driven architecture
• 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.

Benefits

Additional Information

We're looking for a strong Senior/Lead Java Engineer to help build and modernize Deutsche Telekom's network management and provisioning ecosystem . This is not a typical enterprise CRUD environment! Our systems support large-scale telco infrastructure and services including: 5G rollout FTTH / FTTC broadband provisioning IP Transit services distributed network orchestration machine-to-machine communication workflows You'll work on backend platforms where scalability, resilience, distributed communication, and reliability are real engineering challenges - not just buzzwords. The role focuses on designing and developing modern Java microservices for provisioning, orchestration, and complex system integrations in a mission-critical telco environment.

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