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Lucas Annunziato

Software Engineer, applied AI

Software engineer since 2018. Today I apply AI to real products, with users, deadlines and production responsibility. At Economatica I'm part of the engineering behind Kento. Outside of it, I co-founded REVO and run OCA.

Experience

  1. Economatica, Software Engineer

    May 2026 to present

    On the new products team, I build Kento, the AI agent that brought four decades of Economatica's financial data to chat, voice and the AIs the market already uses.

    • Kento launched at Expert XP 2026, in the iOS and Android app and inside other AIs, with quotes for 20,000+ assets, news from 70+ sources and summaries of 80+ podcasts
    • The Terminal Economatica's first natural-language function, shipped in 15 days
    • Agent architecture: proactive alerts created from the chat, a plan-based access model and build-or-adopt decisions

    TypeScript, Node.js, React, React Native

  2. OCA Software House, Founder

    Jan 2025 to present

    A software house that connects founders with builders. I bridge the business conversation and the engineering one.

    • Clients arrive on their own: OCA ranks well on Google and in AI assistant answers
    • Discovery before code and fixed scope before budget

    Next.js, TypeScript, React Native, Supabase

  3. REVO, Co-founder

    2023 to present

    I co-founded and built REVO, the platform that runs São Paulo's nightlife: guest lists, QR door check-in, tickets, reservations, digital menus, CRM and a public app.

    • 285,000 names have gone through the lists, across 3,900+ events from 90+ venues and promoters; an app with 45,000 people
    • AI customer service on every venue's WhatsApp and Instagram, always anchored to real dashboard data
    • Agent-written blog: 40,000+ Google impressions without ads, featured in The Billion Person newsletter

    TypeScript, Next.js, React Native, Node.js

  4. TC, Software Engineer

    Jan 2022 to May 2026

    Four years at TC, one of the largest investor communities in Latin America and a listed digital brokerage.

    • From the Terminal Economatica team, an information platform for institutional investors, to the lean core team behind the strategic projects of the pivot to a digital brokerage
    • Web, mobile and backend on the same team

    TypeScript, Go, React, Next.js, React Native

  5. Freelance, Freelance developer

    Aug 2018 to Jan 2022

    More than 15 web and mobile products for startups and companies, from MVP to production. Talks at entrepreneurship events on technology as a business accelerator.

  6. Madweb, Full-stack Developer

    May 2019 to Oct 2021

    From front end to full stack: internal systems, REST APIs, PHP and SQL.

    PHP, SQL, JavaScript

Projects

Stack

TypeScript, Go, Node.js, React, Next.js, React Native, Expo, Vercel AI SDK, OpenAI, Claude, Supabase, PostgreSQL, Redis, Kafka, AWS, Terraform, Python, Pagar.me, WhatsApp Cloud API, Tailwind CSS

Education

Technology degree in Systems Analysis and Development, IFSP, 2019–2022

Certifications