Stoïk — Senior Full-Stack Engineer — Billing Team

2024 — 2025

Paris, France

Leading cyber insurance company in Europe. As one of two engineers, responsible for the full billing engine handling several thousand invoices per year and several million euros in annual premiums. Developed contract lifecycle workflows (creation, renewals, endorsements/amendments) with precise price traceability down to the cent. Designed and maintained a modular billing engine with dynamic discounts and mid-term adjustments. Delivered an automated pipeline for invoice generation and financial reporting, working closely with finance and insurance teams. Automated the generation of accounting exports and Excel reports using JavaScript generators and highly complex SQL queries.