Full-Stack Engineer (Founding Team) at Navero

Owned full-cycle delivery from architecture to production monitoring with minimal synchronous oversight. Built a scalable Kanban interface with infinite scrolling and virtualized rendering for 2,000+ cards without dropping frames. Redesigned the data access layer via denormalization and indexes to remove costly relational joins and improve filtering performance. Engineered an LLM-driven assessment pipeline to record, transcribe (AssemblyAI), and score candidate videos against job-specific rubrics, reducing manual screening time by ~50%, with Jest unit tests and Playwright E2E coverage. Integrated an AI meeting bot (Recall.ai) to auto-join interviews and generate full transcripts, reducing post-interview recall gaps. Implemented a rule-based automation engine with configurable per-job triggers. Built a recruitment-ROI analytics service estimating 200–300 hours saved per job opening using LLM-powered screening and CV analysis. Deployed services on GCP Cloud Run using Cloud Tasks for as

Software Engineer at Hexastack

Contributed to Hexabot OSS (700+ stars), adopted by Orange Tunisie and Topnet. Implemented leader election via Zookeeper to support horizontal scaling, enabling safe execution of cron jobs, DB migrations, and seed operations. Built chat flow system handling 500+ daily users. Reduced Docker build times by implementing multi-stage layers, cutting clean builds from 600s to 280s (53% faster). Authored deployment documentation (NGINX + Docker). Migrated validation to Zod for 15+ endpoints.

Full-Stack Engineer at Cynoia

Evaluated collaborative editing technologies (CRDTs, Operational Transformation, Yjs, Automerge, Lexical, BlockNote, Tiptap) to select the final architecture. Architected and built a Notion-like collaborative editing platform using microservices with NestJS, MongoDB, Redis, and Socket.IO. Implemented hierarchical document/folder management with recursive relationships for deeply nested content. Added ACL-based authorization and role management for organizations, teamspaces, folders, and documents. Designed scalable real-time WebSocket infrastructure using Socket.IO and Redis adapters for distributed collaboration across server instances.