Summary

AI-Native Systems Architect & Engineering Advisor with 15+ years of experience building high-scale platforms (11M+ MAU). I help engineering organisations transition from legacy architectures to production-ready AI products, and advise on technical strategy at scale. Hands-on with agentic engineering, cloud-native systems, and modern web stacks; proven at defining engineering vision, leading transformation, and turning complex architectures into business value. As a consultant, coach, and co-host of the Working Draft Podcast, I synthesise technical depth into clear, actionable guidance.

Work

1. 2013–20
   Software Architect & Engineering ManagerSelf-employed · AXA, Vaillant, REWE digital
   
2. 2020–21
   Director Technology & Product · FYEOProSiebenSat.1
   
3. 2021–25
   Vice President Engineering · JoynProSiebenSat.1 · 11M MAU
   
4. since 2025
   AI Advisor · Founder N+One · TeachingFiberfone · N+One · Digitale Leute School
   

Selected roles

July 2025 – Present • Self-employed

Helping engineering organizations transition from legacy architectures to AI-native products. I don't just consult; I bridge the gap between high-scale architecture and the agentic future.

• AI & Machine Learning: Hands-on architecture and implementation using Vercel AI SDK, Next.js, Supabase, and serverless architectures to build production-ready AI applications.
• Reference Architecture: Designed and implemented a full-stack, conversational coach (N+One) based on Next.js and Vercel Edge Network for personalized training, demonstrating expertise in performant serverless applications and AI-powered experiences.
• Agentic Systems & Data Processing: Developed agentic-led, low-code crawling and indexing processes for fiber internet network information, showcasing proficiency in automation, LLM integration, and data structuring.

Founder at N+One

April 2026 – Present

Building an AI-native coaching platform for cyclists: a conversational Dynamic Coach that turns training and recovery data into the next session decision, available daily instead of a static calendar. Designed and shipped a full-stack, chat-first coaching experience on Next.js and the Vercel Edge Network, with agentic workflows that adapt plans in real time to readiness, load, and life constraints. Built integrations with Garmin, Strava, Whoop, and intervals.icu so sleep, HRV, and ride data feed coaching recommendations without manual data entry.

Coach at Digitale Leute School

June 2026 – Present

Coaching AI Software Engineering and Vibe Coding bootcamp participants on production AI patterns: resilient RAG pipelines, MCP integrations, vector stores, guardrails, and agentic engineering across the software development lifecycle — including spec-driven workflows with OpenSpec and Cursor.

Fractional CTO at Fiberfone GmbH

October 2023 – February 2026

• Directed technical strategy and investor relations while leading the development of a 23M+ data point infrastructure for automated location-based order management.
• Architected and implemented agentic AI systems and low-code crawling processes using Vercel AI SDK and Next.js.
• Managed external partners and successfully launched the core checkout experience for the brand's comparison portal.

Vice President Engineering at ProSiebenSat.1

October 2021 – June 2025

As Vice President Engineering, I was responsible for the strategic development and maintenance of the customer facing applications of the multi-tenant Streaming Platform Joyn, serving 11 million monthly active users.

• Led six distributed engineering teams (55 individuals) including Engineering Managers and Staff Engineers, reporting to the CTO. Established a collaborative, innovation-friendly, and agile culture.
• Directed engineering vision and budget planning. Led change management and transformation during the Joyn and ProSiebenSat.1 merger.
• Created standardized reference architectures and deployment playbooks for multi-tenant platform, accelerating tenant rollouts and ensuring cross-platform consistency.
• Established data-driven decision-making with product-led metrics, resulting in ~4% increase in user engagement and 20% reduction in technical debt. Utilized DORA metrics and Core Web Vitals.
• Successfully introduced AI engineering practices by piloting GitHub Copilot, enhancing developer productivity and code quality.

Director Technology & Product, FYEO at ProSiebenSat.1

July 2020 – September 2021

As Director of Technology & Product, I led the development and maintenance of FYEO, a podcasting app with over 1.6 million formats and 40 million episodes.

• Built and led an agile, cross-functional team of 13 members, overseeing career development and recruitment.
• Led transformation by replacing external agency with internal development and design personnel, demonstrating change management capabilities.
• Developed and aligned business strategy with business owners and management, reporting to the CTO.
• Implemented engineering and product vision, executed product roadmap, and established data-driven planning processes.
• Significantly increased KPIs including retention, reach, and technical stability, improving audience engagement.

Software Architect & Engineer, Engineering Manager

April 2013 – June 2020 • Self-employed

I worked on projects for clients such as AXA, REWE digital, Vaillant Group and others where I served as Software Architect, Engineer and Engineering Manager.

Led the development and growth of an engineering team responsible for building online insurance tariff calculators for AXA Deutschland in a strongly regulated environment. Developed services using Node.js and Java, guided adoption of React/TypeScript, and architected deployments on Kubernetes and Docker — increasing annual application delivery velocity from 2 to 6. Expanded the team from four to 14 developers.

Built microservices with Node.js, transforming the backend from on-premise to cloud-native on Google Cloud Platform using Kubernetes and Docker. Implemented Apache Kafka for data streaming and employed a micro-frontend architecture with React.js.

Spearheaded the transformation of the monolithic e-commerce platform to a scalable microservice architecture. Led the relaunch resulting in market rollouts across Europe, UK and US. Expanded the team to 14 software engineers.

Played a pivotal role in shaping the online presence for Vaillant Group and its subsidiaries. Contributed to expanding a team from seven to 40 members in a Scrum environment and pioneered an agile transformation within the organization.

Other

January 2019 – July 2021: Software Developer and Co-Founder at Warhol
November 2011 – April 2014: Software Developer and Co-Founder at colored.by
April 2010 – April 2013: Lead Front-end Developer at /gebrüderheitz, Freiburg

Industry Influence & Collaborative Initiatives

Former Mentor at The Mentoring Club: The Mentoring Clubis an open community supporting people keen to learn, grow and develop. I advised mentees on Engineering Management & Leadership, career building, Agile methodologies and more. More information here.

Co-host of Working Draft Podcast: Strong influence on the German-speaking community while being a member of the weekly web-development and web-news podcast Working Draft since 2011.

Speaking engagements at conferences and webinars: topics including Agentic Engineering, AI adoption and governance, Engineering Metrics, Design Systems and Component Based Development (e.g. code.talks Hamburg, Digitale Leute Summit AI Deep Dive Day, t3 CTO Summit, LeadingEng Berlin, Front-Trends in Warsaw and Frontend Conference in Zürich). More about my speaking.