Lead .NET Architect (System Modernization & AI Integration)
Deutsche Telekom IT Solutions8 hours ago
Budapest, HungaryStaff+
Responsibilities
- Design the long-term technical roadmap for transitioning legacy systems to microservices, event-driven, and cloud-native architectures.
- Lead technical archaeology of the legacy codebase and transform undocumented business logic into clean, testable code.
- Design architecture for integrating AI and LLM capabilities, including agentic workflows and RAG pipelines.
- Govern architectural patterns, technology stacks, and coding standards across the engineering team.
- Identify, quantify, and prioritize technical debt while balancing feature delivery with long-term system health.
- Mentor senior and mid-level developers, conduct deep-dive code reviews, and promote technical excellence.
- Use the Strangler Fig approach to wrap, refactor, and replace legacy components while maintaining business continuity.
Requirements
- 10+ years of software engineering experience.
- At least 3+ years of experience in a Lead Architect or Principal Engineer capacity.
- Expert knowledge of C#, .NET, .NET Core, ASP.NET, and modern .NET versions including .NET 6 and .NET 8.
- Deep understanding of legacy .NET Framework internals.
- Demonstrated success migrating or modernizing large-scale, complex legacy systems.
- Proficiency with AI-assisted engineering tools and LLMs for code analysis, refactoring, and architectural prototyping.
- Ability to defend architectural decisions with stakeholders while earning the respect of highly senior engineers.
Benefits
- Remote work is available within Hungary only due to European taxation regulations.
- Employment is with Deutsche Telekom IT Solutions, a subsidiary of Deutsche Telekom Group, across its Budapest, Debrecen, Pécs, and Szeged sites.
Tech Stack
C#.NET
Categories
About Deutsche Telekom IT Solutions
Deutsche Telekom IT Solutions is the Hungarian IT services arm of Deutsche Telekom, founded in 2006 and headquartered in Budapest. It delivers managed IT operations, cloud and DevOps services, application support, and system integration for Deutsche Telekom units and enterprise customers across Europe. The company operates from four sites—Budapest, Debrecen, Pécs, and Szeged—supporting large-scale infrastructure, CI/CD pipelines, and containerized workloads on platforms such as Kubernetes and T-Cloud Public.