Guillaume Schonrock

- Designed and delivered Trikkos Healthcare Marketplace, from MVP (WeWeb + Airtable + Supabase) to production. Later re-architected frontend with Astro/Svelte. → Impact: +30% impressions & visits in the first month, −80% hosting costs, Core Web Vitals 90+. - Built a FastAPI middleware replacing scheduled automations with event-driven workflows (Airtable, Supabase, WeWeb). → Impact: −75% operational costs, instant responses, higher reliability. - Delivered a Parcel & Customs Payments app for DHL (WeWeb + MySQL + Buildship) with in-app payments, delivery options, interactive maps, and audit logs. - Created a Retail Loyalty mobile app (FlutterFlow + Supabase) with QR-based cards, balances, profiles, and CI/CD for mobile deployment. - Developed a Nutrition Tracking app (Glide + Notion + Zapier + Brevo) reaching paying users and fitness coaches at soft launch.

- Contributed to the complete overhaul of the B2C e-commerce platform (2M+ customers) by running workshops, analyzing requirements, and drafting specifications. - Authored user stories and acceptance criteria, ensuring alignment with business objectives. - Actively participated in Agile/Scrum ceremonies and supported coordination across dev, QA, and UX teams. - Contributed to the design of digital migration journeys for the Copper → Fibre transition, reducing demand on stores and call centers. - Facilitated cross-functional collaboration from requirements to go-live, including UAT preparation and feedback handling.

- Analyzed and specified a certified data preparation tool for railway systems. - Wrote functional and technical specifications, including certified configuration processes. - Delivered 3 certified product versions, each successfully audited in a safety-critical environment. - Implemented traceability across requirements, design, and testing with peer reviews and audits. - Coordinated with embedded, validation, and quality teams for certification

- Coordinated the acceptance testing phase and user training. - Ensured alignment between deliveries and functional specifications. - Managed bug analysis, reporting, and resolution tracking. - Led follow-up meetings with stakeholders and end-users. - Produced documentation and training sessions for business users.

- Gathered requirements and led feasibility studies for mission planning tools. - Specified system and UI requirements in compliance with DO178B/DO200A certification standards. - Oversaw V-model development lifecycle, validation, and quality reviews. - Coordinated certification dossiers, V&V planning, and audits with avionics/safety teams. - Delivered 5 certified releases, deployed in operational environments.

- Ensured production monitoring for a major banking client. - Analyzed and corrected bugs in production environments. - Redesigned version upgrade processes to improve system reliability. - Authored user documentation and trained project teams. - Administered SVN and managed upgrade rollouts.