› Conceived, designed and implemented an ecosystem of 10+ domain-expert AI agents (trip planning, booking, weather, events, hotels) using MCP protocols and intelligent federation over dynamically discovered schema relationships.

› Formalized operationalizing an agent ecosystem at scale: 1,000+ tool-to-tool dependencies managed deterministically, failure modes recoverable without human intervention.

› Rolled out Spec-Driven Development (SDD) to 25+ teams across Java/Spring, Next.js/Angular, iOS/Android, SAP, Snowflake and ServiceNow stacks.

› Operationalizing AWS Bedrock for mission-critical use; member of SBB's AI/ML Centre of Competence.

› Designed and built the next generation of SBB's web presence, one of the three most visited sites in Switzerland.

› Staffed and led three feature teams, one platform team and one design system team.

› Established a headless frontend stack (React/Next.js, Web Components) with cloud-edge infrastructure (AWS CloudFront, Lambda, WAF, Shield).

› Consolidated frontend APIs from Adobe AEM, Adobe Commerce, SAP Sales Cloud, and ServiceNow into an enterprise GraphQL graph.

› Technical lead and Product Owner of the Open Sales and Distribution Model (OSDM), an international API standard for rail ticket distribution.

› Standard adopted by all major European railways (DB, SNCF, Trenitalia, ÖBB) and leading global distribution systems (Amadeus, Sqills, Trainline, Sabre).

› Built and grew an open-source community of technical experts across Europe.

› Drove high-level architecture for myRIDE and the next-generation reservation system for Swiss public transportation.

› Initiated and conceptualised SBB's Swiss Mobility APIs and SAP Hybris Billing back-office covering accounting, billing, invoicing, and payment reconciliation.

› Initiated and designed SBB's voice bot using Google Dialogflow and WeChat/AliPay apps for the Asian market.

› Led architecture for SBB's omni-channel distribution renewal — 110+ FTEs across 12 distributed teams using a microservice approach.

› Mapped business capabilities to application, data, and infrastructure architecture using a DDD-driven approach.

› Organisational lead of 4 software architects and 5 developers; successful delivery.