Full-Stack Engineer · Applied AI

Sebastian Alvarez.I build AI agents, cloud platforms, web products and developer tools.

I build software end to end: backend systems, cloud infrastructure and React/Next.js interfaces. Lately that means AI agents and integrations that automate real business workflows, built to ship and scale.

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6+ years · 100% remote · Quito, EC

app/api/triage/route.ts

export async function POST(req) {
  const { ticket } = await req.json();
  const reply = await agent.run(ticket, {
    tools: [searchKb, crm],
    model: "claude-sonnet",
  });
  return Response.json(reply);
}

Where I've worked

Senior Software Engineer

Now

Galileo Financial Technologies

Dec 2025 - Present · Remote

Core team member of the API development team, architecting and enhancing critical backend systems that power the company's financial infrastructure.
Led the migration from a monolithic application to a microservices architecture, significantly improving system scalability, performance, and deployment velocity.
Designed and implemented distributed services with a focus on high availability, fault tolerance, and horizontal scalability.
Collaborated with cross-functional teams to establish best practices for API design, documentation, and versioning across the organization.