You dream, we build.

Production-grade web software for ambitious teams. Strategy, design, and engineering, end to end — one team, no handoffs, no surprises in week six.

What we deliver

  • Backend rewrites
  • AI integrations
  • Data pipelines
  • Real-time systems
  • Search & ranking
  • Payments & subscriptions
  • Performance work
  • Observability

Selected work

Things we've shipped.

Recent engagements — projects shipped end to end, from spec to production, on stacks we'd recommend to any team.

Tarifei homepage — a financial comparison tool showing fintech tariff and interest-rate rankings.

Tarifei

2026 · End-to-end build

Financial comparison tool powered by Banco Central open data. The backend pipeline ingests around 65,000 records every six hours with retry/backoff and Zod validation end to end, deployed on a Railway cron service. The Next.js frontend reads directly from Postgres via Server Components — no separate API layer.

  • TypeScript
  • Next.js
  • Drizzle
  • PostgreSQL
  • Railway
  • Zod
  • Vitest
Esculpto homepage — a dark green hero with the headline 'Não é qualquer boneco. São vocês.' next to wedding cake topper sculptures.

Esculpto

2025 · End-to-end build

Marketing site for a custom wedding-cake-topper studio. Conversational copy, motion-driven showcases, LGPD-compliant analytics with consent banner, dual-hosted on Vercel with DNS managed on Railway. Strategy, design, and engineering delivered end to end.

  • React 19
  • Vite 6
  • Tailwind 4
  • Motion
  • Vercel

Past engagements

Where our engineering muscle was built.

  • Travelers Haven

    2023 — 2025

    • AI integrations
    • Real-time systems
    • Observability

    OpenAI-powered marketing service shipped from scratch (Python microservice + Rails/Node backend). Real-time telehealth platform on Twilio. Datadog/Sentry observability across distributed services.

    • Ruby on Rails
    • Node.js
    • PostgreSQL
    • Python
    • OpenAI
  • Jungle Scout

    2020 — 2023

    • Search & ranking
    • Backend rewrites
    • Data pipelines

    Postgres full-text search microservice indexing millions of Amazon product records, owned end to end. Backend of a real-estate brokerage platform, designed and shipped from scratch.

    • TypeScript
    • PostgreSQL
    • AWS ECS
    • Node.js
  • Vai Car

    2019 — 2020

    • Real-time systems
    • Tech leadership

    Real-time GPS tracking APIs for hundreds of concurrent vehicles in a high-growth car-rental startup. Tech-lead across a 5–10 dev microservices team.

    • Node.js
    • Ruby on Rails
    • Docker
    • Kubernetes
    • AWS
  • Codus

    2015 — 2019

    • Tech leadership
    • Multi-stack

    Multi-year tech-lead progression. Established unit testing and Git Flow company-wide. Delivered across Ruby, Python, Java, and JavaScript on AWS, Heroku, and Kubernetes.

    • Ruby on Rails
    • Python
    • PostgreSQL
    • Redis
    • AWS

Get in touch

Have a project to ship?

Monthly engagements, async-friendly across most timezones. Drop us a line and we'll figure out if there's a fit.

sales@vulcansoftware.dev

© 2026 Vulcan Software · São Paulo, Brazil