Talysson Oliveira

Software engineer

I build production systems, end to end.

AI-augmented CRMs, e-commerce platforms, and internal automation — architecture, backend, frontend, and the tests that keep it honest.

View projects Get in touch

Live

Production e-commerce platform shipped and running today

5,400+

Automated tests in that platform's suite

600+

Tasks tracked building an AI-native CRM on hexagonal architecture

5

Codebases spanning CRM, commerce, automation, and internal tooling

Selected work

A cross-section of what I've built recently — production systems and active builds, not mockups.

  • IntelliFlow CRM

    Active build

    AI-native CRM built on Hexagonal Architecture (Ports & Adapters) and Domain-Driven Design. A Turborepo monorepo — Next.js frontend, tRPC API, a dedicated AI worker on LangChain/CrewAI, Prisma over Supabase with pgvector for embeddings. 600+ tasks tracked across the build.

    • Next.js
    • tRPC
    • Prisma
    • Supabase
    • LangChain
    • DDD
    View repository →

  • Julia Mendes — Artisanal Bags

    Live

    Production e-commerce platform connecting Brazilian artisans with customers worldwide. Full storefront, Stripe checkout, admin dashboard, and a Cloudinary media pipeline, backed by 5,403 of 5,495 tests passing on the last CI run.

    • Next.js
    • TypeScript
    • Supabase
    • Stripe
    • Cloudinary
    Visit live site → Read case study →

  • Brenova — Video Production

    Live

    Delivered, production marketing site for an audiovisual production studio — portfolio, service pages, and a CRM-routed quote flow, on a headless CMS.

    • Next.js
    • TypeScript
    • Tailwind CSS
    • Headless CMS
    Visit live site → Read case study →

  • Juliana Alves — Nutrition Practice

    Live

    Production site for a nutrition practice — booking, blog, and an e-book store on Stripe Checkout — built from an 18-section, 85+-question discovery process that grew into the agency's largest client-intake template.

    • Next.js
    • Sanity CMS
    • Multi-tenant
    Visit live site → Read case study →

  • Client Acquisition OS

    Active build

    Internal platform for a digital agency automating lead discovery, qualification, audit generation, and outreach — one pipeline from prospecting to a delivered audit.

    • Next.js
    • Prisma
    • TypeScript
    • Automation
    Private repository Read case study →

  • Leangency Portal

    Active build

    Multi-tenant client portal, one subdomain per paying client, passwordless sign-in, and an append-only event spine tracking the delivery lifecycle for every tenant.

    • Next.js
    • Sanity CMS
    • Multi-tenant
    • Event-sourced
    Private repository Read case study →

  • Payment Analyzer Professional

    v9.0.0

    Mobile-first PWA for courier and delivery-payment analysis. Parses PDF runsheets and invoices entirely client-side, with configurable payment rules and full offline support — no backend at all.

    • Vanilla JS
    • PDF.js
    • PWA
    View repository →

Have a project in mind?

I'm glad to talk through the architecture, the tradeoffs, or just what you're trying to ship.

Get in touch

Contact

The fastest way to reach me: