Saif Hendili

Founder & Full Stack Developer - Trackili.tn - Tunisia

(2026-05)

Founded Trackili.tn — a CRM/SaaS that unifies WhatsApp Business, Instagram DMs, Messenger, and Shopify orders into a single kanban dashboard for Tunisian e-commerce sellers.
Integrated Gemini AI to auto-extract customer name, phone, city, and purchase intent from Arabic, French, and Darija messages — cutting manual order entry to near zero.
Built a bi-directional Shopify webhook integration: products and orders sync in real time so sellers manage fulfilment without leaving the platform.
Delivered geographic analytics by governorate — order volume, return rates, ad ROI calculator — giving sellers precise data on where to allocate ad budget.
Sole founder: defined product roadmap, designed full architecture, wrote all code, and managed infrastructure — reached 10 paying merchants within weeks of launch.

Full Stack Developer - Mirai Tech Solutions - France (Remote)

(2025-06 - 2026-05)

Contributed as one of 5–7 engineers at a French dev agency ranked #1 on Codeur.com (395,000+ providers), delivering web & mobile SaaS products for startup clients.
Designed and deployed 5+ scalable client web applications serving 5,000+ users with >99.9% uptime SLA.
Optimised CI/CD pipelines (GitHub Actions + Docker), cutting release cycle by 30% and reducing manual deployment errors.
Refactored REST API layer, reducing average response time by 45% through query optimisation and Redis caching.

Full Stack Developer (Internship → Permanent Contract) - ARTMO - Germany (Remote)

(2023-02 - 2025-04)

Part of a 5-person engineering team building a blockchain marketplace for 10,000+ artists across 200+ countries: Ethereum smart contracts, MetaMask & WalletConnect crypto payments.
Achieved 60% performance boost (800 ms → 320 ms) through Node.js profiling, MongoDB index optimisation, and React lazy-loading / code-splitting.
Built a 500K-record Elasticsearch-powered search engine enabling instant artist and artwork discovery.
Designed 10+ REST APIs processing 50,000+ requests/day with rate-limiting, JWT auth, and zero security incidents.
Built the Masterclass feature end-to-end: artists stream live courses, learners purchase access to attend and ask questions in real time — generating €30K+ in new platform revenue.

Full Stack Developer - New-Tec - Tunisia

(2021-02 - 2023-02)

Built 12+ internal business applications (HR, payroll, finance, operations) serving 500+ staff across 3 departments.
Integrated 15+ third-party APIs (Stripe, Google Workspace, CRM) boosting operational efficiency by 40%.
Designed an RBAC backend architecture; 0 security vulnerabilities detected in third-party audits.
Maintained systems processing 100,000+ monthly financial transactions with full audit-trail logging.

Full Stack Developer - Freelance - Tunisia

(2020-06 - 2021-01)

Sun Logistics — built a full-stack transit & finance platform: invoice management, TLA tracking, freight cost calculation, and document generation, cutting processing time by 35%.
Fish Online Store — delivered a full e-commerce platform for a seafood seller with product catalogue, secure payments, and real-time inventory management.
E-Recruitment Platform — built an internal hiring system for a company to manage intern and worker recruitment end-to-end: applications, screening, scheduling, and onboarding — reducing the hiring cycle by 50%.

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