Deutsche Telekom IT Solutions

Lead .NET Architect (System Modernization & AI Integration)

Péxs,Budapest,Debrecen, hu Full-time On-site
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Job Description

The Project: Internal Support Tools Evolution   You are joining an initiative focused on the evolution, modernization of the Internal Application Landscape. This project involves the strategic transition of well-known cloud services and legacy .NET architectures into a next-generation, AI-augmented, and cloud-native software landscape.  Our goal is not simply to "maintain" the existing system, but to proactively transform it—ensuring sovereignty, high-performance scalability, and seamless handover readiness through disciplined engineering.  Our Engineering Philosophy  We operate at the intersection of Legacy Stability and Modern Innovation. Our approach is defined by:  AI-Augmented Engineering: We utilize advanced AI development environments (such as Cursor, Windsurf, and Claude Code) and cutting-edge model families to accelerate code comprehension, refactoring, and documentation.  Disciplined SDLC Patterns: We move beyond traditional development by implementing repeatable, evidence-based SDLC patterns. Every change is backed by structured engineering evidence and rigorous automated testing.  The "Strangler Fig" Modernization: We prioritize risk-mitigated evolution, using sophisticated patterns to wrap, refactor, and eventually replace legacy components.  High-Seniority Autonomy: We operate as a lean, highly autonomous unit. We value "technical detectives" who can navigate ambiguity and perform deep reverse engineering.  Mission To spearhead the technical evolution of our core enterprise ecosystem through a sophisticated Modernization Strategy. You will design the architectural patterns required to transition from legacy monolithic patterns to modern, scalable, AI-integrated architectures, ensuring zero downtime and seamless business continuity.  Role Focus This is a high-impact role at the intersection of legacy stability and modern innovation. You will lead the "Strangler Fig" approach—identifying components to wrap, refactor, or replace—while designing the architectural patterns for AI/LLM orchestration (e.g., API-driven AI orchestration, vector database integration) within the ecosystem.  Key Responsibilities  Architectural Strategy & Roadmap: Design the long-term technical roadmap for the transition from legacy patterns to modern, scalable architectures (Microservices, Event-Driven, Cloud-Native).  Modernization Oversight: Lead the technical "archeology" of the legacy codebase, extracting complex, undocumented business logic and transforming it into clean, testable code.  AI Integration Architecture: Design the patterns required to integrate AI/LLM capabilities (e.g., agentic workflows, RAG pipelines) into the existing and future ecosystem.  Technical Decision Governance: Act as the final authority on architectural patterns, technology stacks, and coding standards to ensure consistency across the engineering team.  Technical Debt Management: Proactively identify, quantify, and prioritize technical debt, balancing rapid feature delivery with long-term system health.  Mentorship & Leadership: Provide high-level guidance to Senior and Mid-level developers, conducting deep-dive code reviews and fostering a culture of technical excellence. 

Frequently Asked Questions

What does the Lead .NET Architect (System Modernization & AI Integration) role at Deutsche Telekom IT Solutions involve?

The Lead .NET Architect (System Modernization & AI Integration) position at Deutsche Telekom IT Solutions in Péxs,Budapest,Debrecen, hu is a full-time role. The Project: Internal Support Tools Evolution&xa0;&xa0; You are joining an initiative focused on the evolution, modernization of the Internal Application Landscape. This project involves the strategic transition of well-known cloud services and legacy .NET architectures into a next-generation, AI-augmented, and cloud-native software landscape.&xa0; Our goal is not simply to "maintain" the existing system, but to proactively transform it—ensuring sovereignty, high-performance scalability, and seamless handover readiness through disciplined engineering.&xa0; Our Engineering Philosophy&xa0; We operate at the intersection of Legacy Stability and Modern Innovation.

What skills are required for Lead .NET Architect (System Modernization & AI Integration) at Deutsche Telekom IT Solutions?

Key skills for this role include: Scala, .Net, RDS, LLM, Microservices, API.

What is the salary for Lead .NET Architect (System Modernization & AI Integration) at Deutsche Telekom IT Solutions?

The salary for this position is not publicly listed. You can negotiate during the interview process. Check Glassdoor or Levels.fyi for estimates.

Is the Lead .NET Architect (System Modernization & AI Integration) position at Deutsche Telekom IT Solutions remote or on-site?

This position is On-site. The role is based in Péxs,Budapest,Debrecen, hu.

How do I apply for Lead .NET Architect (System Modernization & AI Integration) at Deutsche Telekom IT Solutions?

You can apply for this position directly through the employer's careers page. Click the 'Apply Now' button on this page to be redirected to the original listing. Make sure your resume is ATS-optimized. Use SpotChange's free ATS test to check.

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About This Role

Lead .NET Architect (System Modernization & AI Integration) at Deutsche Telekom IT Solutions is a full-time ai & machine learning position in Péxs,Budapest,Debrecen, hu. Key skills include Scala, .Net, RDS, LLM, Microservices, API. Education: Associate Degree preferred. Experience: 6+ years.

This role is classified as on-site and is suitable for lead-level professionals. Ghost Score 40/100 (Possibly Stale) indicates this listing is possibly stale — verify on the employer site.

To apply, visit the official application page through the Apply Now button above. SpotChange Jobs provides AI-powered career tools including resume optimization, ATS testing, interview preparation, and salary negotiation assistance.