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+<div id="cvcontent">
+  <h2>CV</h2>
+
+  <div class="contact-info">
+    <h3>Stefan Kölle</h3>
+    <p>Senior Software Developer & Software Architect<br>
+    Neumarkter Str. 86c, 81673 München<br>
+    E-Mail: <a id="email-link" href="#">[email protected]</a></p>
+  </div>
+
+  <div class="profile">
+    <h3>Profile</h3>
+    <p>Experienced Senior Software Developer and Software Architect with over 20 years of experience in developing and managing microservices and IT architectures. Specialized in .NET Core and Kubernetes, with hands-on experience in AI-assisted development using Claude Code. Clear focus on efficient, innovative, and sustainable solutions. Highly skilled in executing complex projects, building cloud-native services, and optimizing processes through modern technologies.</p>
+  </div>
+
+  <div class="core-technologies">
+    <h3>Core Technologies</h3>
+    <ul>
+      <li>.NET Core 10 (Dockerized), Clean Architecture</li>
+      <li>Claude Code / AI-assisted Development</li>
+      <li>SolR, Kubernetes, Terraform, Azure (WebApps, Tables, Blobs)</li>
+      <li>Uptrends, Sentry, Loki/Grafana, Quartz.NET</li>
+      <li>Squidex, Brevo (Sendinblue), Mailgun, OpenAI</li>
+    </ul>
+  </div>
+
+  <h3>Senior Software Developer / Senior Software Architect</h3>
+  <p><strong>TENHIL GmbH & Co. KG</strong> (2025 - present)</p>
+  <ul>
+    <li><b>MCP-Server for ChatGPT Integration (2026)</b> Built an MCP server for a major platform integration using Claude Code, from concept to production in 6 half-days solo. Full spec, Confluence documentation, Jira epics and stories, and PO artifacts fully generated within the same workflow.</li>
+    <li><b>AI-driven Project Documentation (2026)</b> Using Claude Code to generate complete project documentation end-to-end, including Confluence pages, Jira epics and stories, covering the full PO process without manual overhead.</li>
+    <li><b>AI-Tooling Repository (2026):</b> Built a structured AI-assisted development framework for the .NET team, providing reusable workflows for plan-and-implement processes, QA testing, and code reviews. Presented at internal Demo Day with full documentation.</li>
+    <li>Regular presenter at internal monthly Demo Days, sharing AI tooling advances and new project outcomes with the engineering organization.</li>
+    <li><b>Kubernetes Migration:</b> Migrating background workers from Azure Docker to Kubernetes, including job restart logic, state persistence across runs, and monitoring.</li>
+    <li><b>AI-assisted Development Workflow:</b> Established a production-ready Claude Code workflow for rapid delivery, reducing time-to-production for new services significantly.</li>
+    <li><b>Infrastructure Cost Optimization (2025)</b> Reduced monthly infrastructure costs by €1,850 through strategic decommissioning of legacy systems and cloud routing migration, delivering ~€22,000 in annual savings.</li>
+    <li><b>QA Automation Framework</b> Built a scalable integration test system enabling continuous, code-based QA coverage growth and cross-codebase bug detection across multiple services.</li>
+    <li><b>AI Workshop</b> Organized and led an internal team workshop on AI-assisted search query parsing and natural language processing for job search optimization.</li>
+    <li><b>Active Services Migration to Kubernetes (2025)</b> Planned migration of active production services from legacy hosting to Kubernetes, including documentation and architectural concepts.</li>
+    <li>Consistently delivering full-time output while working part-time, recognized across multiple product teams for high productivity and reliable delivery.</li>
+    <li><b>Technologiestack:</b> .NET Core, Kubernetes, Docker, TypeScript, Claude Code, OpenAI, Terraform, Sentry, Loki/Grafana.</li>
+  </ul>
+
+  <p><strong>TENHIL GmbH & Co. KG</strong> (08/2022 - 2024)</p>
+  <ul>
+    <li><b>OpenAI Integration (2024)</b> Integrated OpenAI-based salary data generation into a multi-tenant microservice, enabling automated, AI-driven content enrichment at scale.</li>
+    <li>Solely responsible for designing and building multiple core backend microservices end-to-end, including application services, geo data, feed generation, salary data, and email delivery integrations.</li>
+    <li>Collaborating closely with the Product Owner to create and implement new services.</li>
+    <li>Technologies: .NET Core 10, Docker, Azure, Terraform, Uptrends, Sentry, Loki, Quartz.NET.</li>
+  </ul>
+
+  <h3>Senior Software Developer / Senior Software Architect</h3>
+  <p><strong>stellenanzeigen.de GmbH & Co. KG</strong> (11/2018 - 07/2022)</p>
+  <ul>
+    <li>Architecting hosting solutions and migrating services to Azure.</li>
+    <li>Implementing a CMS based on Squidex and managing server infrastructure.</li>
+  </ul>
+
+  <h3>Managing Director</h3>
+  <p><strong>Regio-Jobanzeiger GmbH & Co. KG</strong> (10/2014 - 12/2017)</p>
+
+  <h3>Managing Director, CTO</h3>
+  <p><strong>stellenanzeigen.de GmbH & Co. KG</strong> (01/2011 - 10/2018)</p>
+  <ul>
+    <li>Reorganized the company, focusing on performance marketing and core products.</li>
+    <li>Implemented the "SmartReach" performance marketing product.</li>
+    <li>Significant projects: Multi-brand strategy, founding "Yourfirm" and "Regio Jobanzeiger", integrating "Kalaydo".</li>
+  </ul>
+
+  <h3>CTO, Member of Executive Management</h3>
+  <p><strong>stellenanzeigen.de GmbH & Co. KG</strong> (01/2004 - 12/2010)</p>
+  <ul>
+    <li>Led product management, software development, IT, customer service, and HTML ad creation.</li>
+    <li>Introduced agile software development and virtualized all physical servers.</li>
+  </ul>
+
+  <h3>Head of IT / Development</h3>
+  <p><strong>stellenanzeigen.de GmbH & Co. KG</strong> (06/2000 - 12/2003)</p>
+  <ul>
+    <li>Developed a multi-client web frontend and restructured the ad creation process.</li>
+  </ul>
+
+  <h3>Web Developer</h3>
+  <p><strong>IXOS AG</strong> (05/1999 - 05/2000)</p>
+  <ul>
+    <li>Managed web development environment and internal departmental websites.</li>
+  </ul>
+
+  <h3>Education</h3>
+  <p><strong>FH Augsburg</strong> - Computer Science (1996 - 1999)</p>
+
+  <h3>Internships</h3>
+  <p><strong>IXOS AG</strong> - Working Student (10/1997 - 04/1999)</p>
+  <ul>
+    <li>Redesigned the Jukeman website and prepared training rooms for R/3 training.</li>
+  </ul>
+</div>