4 years of experience in technical support and development for business management software (CRM, invoicing, API). Expert in Sellsy API troubleshooting, technical documentation, and continuous improvement. Top performer on customer satisfaction (95.8%), with a track record of training and upskilling support teams. Active contributor to the Elixir open source ecosystem.

Professional Experience

SELLSY 2022 — 2026
2023
—
2026

Care API Representative

  • Tier-1 technical support with an API focus for business management software (CRM, invoicing, accounting, API)
  • Resolved 4,800+ tickets/year (REST API 30%, functional issues 65%, accounting connectors 5%)
  • Technical investigation across API, invoicing, CRM, inventory, pre-accounting, and marketing modules, including data imports
  • Support for business connectors: Chift Compta, Make, n8n, e-commerce integrations
  • Daily collaboration with Development and Architecture teams (bug reproduction, testing, feedback)
  • Authored technical documentation and grew the knowledge base (FAQ, Notion, Intercom AI knowledge base)
Highlights 95.8% customer satisfaction (13-advisor team, team average 90%) · Wrote 30+ technical articles and fully reorganized the API Notion space · Authored the most-viewed API v1 FAQ article (directly reduced tier-2 ticket volume by improving customer self-service) · Started a permanent Support ↔ Engineering communication channel · Rolled out a technical training program for the team (Dyma) · Built a high-performance webhook POC, validated by the lead architect and presented to enterprise clients
2022
—
2023

Full-Stack Developer

  • Developed and maintained the company's business management software (CRM / Invoicing)
  • Tier-2 backend debugging (PHP, XSL, Vue.js): resolved critical production bugs
  • Frontend development (Vue.js): new features and UX improvements
  • Built a Flatfile workbook (Node.js) for data imports
  • Collaborated with Product and QA teams on testing and releases
2018
—
2022
SITEL

Customer Advisor

  • Technical and commercial B2B support (SFR Business, MAAF Assurances)
  • Resolved technical incidents and advised business clients
  • Managed complex cases and escalations
  • Trained and shadowed new advisors
2005
—
2017
CASINO DE CHÂTELAILLON

Service Manager

  • Managed a team of 5 to 9 people: scheduling, training, performance tracking
  • Managed budgets and activity reporting with the accounting team
  • Technical maintenance (electrical systems, audiovisual equipment)

Open Source Contributions

[released]cfonb v0.1.0 — hex.pm/packages/cfonb First Elixir parser for French bank statements (CFONB standard). Roadmap: CFONB 240, SEPA generation.
[merged]elixir-ecto/postgrex Pull request merged into the official PostgreSQL driver for Elixir.
[merged]elixir-lang/elixir Contribution merged into the language itself.
[merged]ash-project/ash Pull request merged by Zach Daniel, creator of the Ash Framework.
[released]green_ash — hex.pm/packages/green_ash Keyboard-driven, AS/400-style LiveView console generated from Ash resource introspection.
[released]search_ash — hex.pm/packages/search_ash Multilingual full-text search for Ash, pre-stemmed tsvectors across ~30 languages.
[released]stemmers — hex.pm/packages/stemmers Rust/Rustler NIF powering search_ash's stemming.

Personal Projects

  • Multi-tenant SaaS for gardeners — from plots to customers — CTIFL labels, stock & point-of-sale transfers, invoicing, customer portal — built with Elixir/Phoenix LiveView, Ash Framework, PostgreSQL, Fly.io — technical lead, from an Angular invoicing webapp to the current multi-tenant Elixir version
  • Elixir API unit test POC for Sellsy
  • Webhook Handler POC — Fastify, Redis, Docker, high-performance handling with priority queue
  • HL7 → JSON parser — Elixir, healthcare systems integration / interoperability
  • iPad order-taking app — Swift/Firebase, in production for 6+ years (connecting local authorities — Egalim public procurement — with local producers / market gardeners)