Jawhar Hmidi

• Startup Accelerator Platform: Co-architected and developed a national multi-application platform in partnership with toomAi connecting startups with banking institutions and enterprise perks. • Engineered asynchronous Python microservices using FastAPI, async SQLAlchemy, PostgreSQL, Taskiq, and Redis for background task queues, with MinIO S3 media storage. • Built web applications using Next.js, React, TypeScript, Tailwind CSS, Radix UI, Zustand, next-intl for multi-language support, and Payload CMS for dynamic content. • Enforced end-to-end type safety with Zod and React Hook Form, and implemented E2E and unit test coverage via Playwright and Vitest while collaborating on Dockerized environments. • Barça Academy Tunisia: Owned end-to-end technical delivery of official FC Barcelona-licensed platform as sole technical lead, managing scope, multi-language architecture, and deployment under a 2-month timeline for 5,000+ registrations and 1,000+ daily visitors. • Unifunl.io: Co-led technical delivery of e-commerce SaaS platform unifying multi-channel operations across 25+ regional dialect variants, handling 40K+ automated conversations with 3x faster response times. • Dvoice.africa: Developed core web interface features and data pipeline workflows for an open-source speech data platform supporting 20+ languages and 10,000+ contributors.

• Directed technical delivery of a multi-platform SaaS product for fitness coaches, leading three parallel workstreams across a web dashboard, cross-platform mobile app, and AI coaching assistant. • Achieved 2x client capacity, 40% revenue growth, 85% retention rate, and a 90% drop in user dropout rates using Next.js, React Native Expo, NestJS, and PostgreSQL.

• Reservy (B2B Bulk-Booking Platform): Led requirements gathering and platform architecture for a B2B travel booking platform serving Hajj and Umrah agencies across 50+ hotel contracts. • Enabled 500+ group bookings per season, introduced role-based dashboards with real-time hotel availability, and reduced booking processing time by 70% using Next.js, NestJS, PostgreSQL, AWS, and Docker. • Restaurant Management System: Architected dual-interface ordering and admin platform, reducing missed orders by 90%, cutting response time by 60%, and increasing monthly revenue by up to 35% using Next.js, NestJS, and Supabase.