Skip to content

Alessandro
Zanni

Full-stack engineer who builds production conversational-AI systems and owns the stack end to end — Postgres to self-hosted infra. Trained as a designer.

Pieces in this set

Experience
6+ years
Based in
Barcelona, ES
Build
Full-stack + AI/LLM
Status
Open to work

Experience

5 roles, newest first — each step shows the model as it stood by then.

  1. Heres

    08/2021 – Present · Bologna, Italy

    Software Engineer — Generative AI & LLM Integration

    Production LLM & conversational-AI systems

    live · 4 channels

    Leading AI-driven platform specializing in custom AI agents, conversational AI systems, and business automation.

    • Architected and maintained scalable chatbot management systems handling real-time conversations across Telegram, WhatsApp, Facebook Messenger, and Zendesk
    • Designed and shipped integrations with large language models and AI frameworks, enhancing chatbot intelligence and conversational capabilities
    • Built Socket.IO messaging infrastructure for end-to-end encrypted conversations, with PubNub notification systems
    • Built React management consoles and Node.js backend services for AI agent orchestration, plus connectors for third-party and internal APIs
    • Designed relational (MySQL, PostgreSQL) and non-relational (Firebase) database solutions for conversational data; built the Alexa Smart Properties console for senior-care facilities (AWS partnership)
    • TypeScript
    • React
    • Vue.js
    • Node.js
    • Express
    • Socket.IO
    • AWS
    • Firebase
    • SQL
    • REST APIs
  2. SpotView

    09/2023 – 12/2024 · Bologna, Italy

    Frontend Developer — E-commerce & Web Applications

    Headless e-commerce at retail scale

    Tigotà · Pinalli

    Headless e-commerce development for major retail clients.

    • Headless E-commerce Development — built responsive frontend applications for high-traffic e-commerce platforms (Tigotà, Pinalli)
    • Component Architecture — developed reusable UI component libraries and maintained code quality across multiple projects
    • Performance Optimization — implemented Next.js and React best practices for optimal page load times and SEO
    • Custom Applications — developed and deployed custom web applications meeting specific business requirements
    • TypeScript
    • React
    • Next.js
    • HTML5
    • Sass
    • CSS3
  3. ICT-GROUP

    12/2020 – 07/2021 · Reggio Emilia, Italy

    Frontend Developer

    Cross-platform mobile + SSO

    iOS · Android

    Enterprise software and mobile application development.

    • Enterprise Systems Integration — integrated modules and added functionalities to company management systems (EGGS Next, EGGS HR)
    • Cross-platform Mobile Development — developed iOS and Android applications using the Ionic Framework
    • Authentication Systems — implemented Single Sign-On (SSO) integration for secure user authentication
    • Client Requirements Analysis — evaluated and analyzed client requests, translating them into technical implementations
    • TypeScript
    • Angular
    • Ionic
    • HTML5
    • CSS3
    • PostgreSQL
  4. Studio il Granello

    04/2018 – 12/2020 · Correggio, Italy

    Full Stack Developer

    Full-stack delivery, 15+ sites

    15+ shipped

    Custom web development and digital solutions.

    • Full-stack Web Development — designed and developed 15+ complete website solutions from backend to frontend
    • Web Customization — implemented UX enhancements and integrated custom functionalities with existing systems
    • Business Applications — developed management systems and specialized software for diverse client requirements
    • Mobile Applications — created iOS and Android applications (Ionic Framework)
    • Client Relations — maintained direct communication with clients to understand needs and deliver tailored solutions
    • PHP
    • Vanilla JS
    • Vue.js
    • Angular
    • Ionic
    • HTML5
    • CSS3
    • SQL
  5. Graffo grafica adesiva

    11/2017 – 04/2018 · Arceto di Scandiano, Italy

    Trainee Graphic Designer

    Design foundation — print, branding, typographythe base plateVector graphics and image retouching in Adobe Creative Suite; print production and large-format installation

Projects

Sub-assemblies built solo, outside the day job.

  1. CRM Platform for Electrical Materials Distributor

    B2B sales-operations platform

    Custom business management system for offer and client management (B2B sales operations platform)

    • Built a modern web application enabling the sales team to manage client offers, quotations, and business workflows
    • Full-stack development spanning responsive frontend (Next.js), backend APIs, and database architecture
    • Integrated authentication and real-time data synchronization for concurrent user operations
    • Deployed to production on Vercel with zero-downtime deployments
    • Next.js
    • React
    • Node.js
    • Supabase
    • PostgreSQL
    • Vercel
    • TypeScript
  2. Freelance Web Solutions

    Client sites, end to end

    Responsive corporate and portfolio websites for multiple B2B and B2C clients

    • 3+ production websites with custom integrations and SEO optimization
    • Focus on responsive design, performance, and user experience
    • HTML5
    • CSS3
    • JavaScript
    • various backend frameworks
  3. Infrastructure & Self-Hosting

    DevOps & self-hosted infra

    Self-hosted solutions and DevOps infrastructure for personal projects and client systems

    • Docker containerization and orchestration for microservices and development environments
    • Linux/Ubuntu server administration, system management, and deployment automation
    • Self-hosted infrastructure setup and maintenance (monitoring, backups, security)
    • CI/CD pipeline configuration and automated deployment workflows
    • Docker
    • Docker Compose
    • Linux/Ubuntu
    • CI/CD
    • deployment automation

Skills

The parts inventory — every bin the builds above are made from.

Pieces in this set×28
  • Languages & frameworks×7
    • TypeScript
    • React
    • Next.js
    • Vue.js
    • Angular
    • Node.js
    • Express
  • Databases×4
    • PostgreSQL
    • MySQL
    • Firebase
    • MongoDB
  • AI & conversational×4
    • LLM integration
    • Generative-AI frameworks
    • Chatbot development
    • N8N automation
  • Real-time & cloud×6
    • Socket.IO
    • PubNub
    • AWS
    • Vercel
    • Supabase
    • Docker
  • Design×3
    • Adobe CS (Photoshop, Illustrator)
    • UI/UX principles
    • Mobile-first design
  • Tools & practice×4
    • Git / GitHub
    • VS Code
    • JetBrains IDEs
    • Agile / Scrum

Education & languages

  • Academy Diploma in Advertising Graphics

    Scuola Internazionale di Comics · Reggio Emilia, Italy

    Specialized in visual communication, branding, typography, and graphic design principles (EQF Level 6).

    10/2017 – 07/2018
  • High School Diploma in Computer Science & Telecommunications

    I.I.S. Blaise Pascal · Reggio Emilia, Italy

    Technical degree with focus on computer science and information technology (EQF Level 5).

    09/2012 – 07/2017
  • ItalianNative
  • EnglishB2

Contact

Build complete. Here's how to reach the builder.

Open to full-stack and AI-engineering roles, and to freelance builds. Based in Barcelona, Spain.