Nicolas Del Rosario — Full-stack software developer in Lima

Software developer · Lima, Peru

I build software that makes complex processes simple.

Open to new opportunities

02 / Selected work

3 projects

Own

WhatsApp n8n Server

REST API for WhatsApp automation with n8n.

Stack

TypeScript · Hono · OpenAPI / Scalar · Docker · PostgreSQL · 26 stars

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Own

Inventra

Multi-tenant inventory SaaS for small and medium businesses.

Stack

Next.js · Elysia · Bun · Drizzle · PostgreSQL

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Client

Prince Club de Libros

Bookshop catalogue with search, wishlist, WhatsApp contact and admin panel.

Stack

Next.js · Supabase · Vercel

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03 / Experience

Professional experience

  1. Jun 2026 - PresentCurrent

    Full Stack Developer

    Soluciones Digitales Group (company website)
    • Commercial software for the full telecom sales flow: from prequalification and new customer through proposal, contract, installation and work orders.
    • Spec-driven development, applied AI and MCPs to turn business processes into clear, maintainable tools.

    Stack: Full stack · Spec-driven development · Applied AI · MCPs

  2. Feb 2026 - May 2026

    Full Stack Developer

    LainDS

    • End-to-end academic enrollment platform with digitized enrollment, payments and administration.
    • Built internal dashboards and a modular architecture while improving frontend and backend performance.

    Stack: Prisma · MongoDB · Frontend · Backend

  3. Nov 2024 - Nov 2025

    Junior Full Stack Developer

    LetyMind (company website)
    • Built internal systems and APIs for admin operations, with SQL and NoSQL integrations.
    • Created WhatsApp automations with n8n, Chatwoot and Evolution API; added observability with Grafana, Prometheus and Node Exporter.
    • Wrote technical documentation and onboarding materials to support the team.

    Stack: Node.js · n8n · SQL/NoSQL · Observability

  4. Feb 2024 - Jul 2024

    Frontend Intern

    EasyHotel (company website)
    • Built responsive React and TypeScript components for booking flows.
    • Collaborated on checkout UX and conversion, and improved performance through lazy loading.

    Stack: React · TypeScript · Responsive UI · Performance

04 / Contact