Independent product engineer · Guayaquil / remote

Web products for problems that do not fit a template

I design the experience, build the system, and verify the edges so teams and users can make decisions with confidence.

Real systems across operations, education, infrastructure, and science.

Services

From the decision to the system behind it.

01

Product strategy and design

Frame the problem, decisions, and first useful outcome.

02

Software architecture

Models, contracts, and boundaries that keep change understandable.

03

Full-stack development

Typed, tested interfaces and services ready to operate.

04

Scientific and operational tools

Surfaces that make dense information legible.

Selected work

Systems built for real conditions.

View all work

Process

AI to accelerate. Human judgment to decide.

I use agents and automation under supervision: intent, tradeoffs, and final responsibility are not delegated.

01

Understand

Users, context, constraints, and evidence.

02

Focus

The critical decision and early value slice.

03

Build

Product, architecture, and automation.

04

Verify

Tests, accessibility, security, and review.

05

Support

Documentation and rationale for continuity.

Stack

The tools I reach for, grouped by what they do.

Languages
TypeScriptRustPythonBashRPerl
Web foundations
HTMLCSSJavaScript
Frontend
ReactNext.jsSvelteViteD3Tailwind CSSPWA
Backend
NestJSExpressAxumTokioSocket.ioWebSocketsZod
Data
PostgreSQLSQLitePrismaDrizzleRedis*MSSQL*MySQL*
Delivery / collaboration
GitGitHubGitLab*GitHub ActionsDockerCondaMambanpmpnpmPlaywrightVitestVercel
Cloud / Infra
AWS*GCP*Azure*OCI*Firebase*
Demonstrated in

Tools connected to real case studies, pipelines, and delivery.

  • E‑Grúa

    HTML · CSS · JavaScript · TypeScript · Next.js · React · NestJS · Prisma · Zod · Tailwind CSS · pnpm · Docker

  • Briquette LMS

    HTML · CSS · JavaScript · TypeScript · React · Vite · Express · Drizzle · PostgreSQL · Socket.io · Tailwind CSS · Playwright · Docker

  • Rust Dashboard

    HTML · CSS · JavaScript · TypeScript · Rust · Axum · Tokio · Svelte · Vite · SQLite · Docker · WebSockets

  • MitoCircos Studio

    HTML · CSS · JavaScript · TypeScript · React · Vite · D3 · Tailwind CSS · Vitest

  • Bioinformatics pipelines

    BP-SBS and FungaPlasmidDetect · Python · Bash · Conda · Mamba · Perl · R

  • Delivery workflow

    Git · GitHub · GitHub Actions · Docker · npm · pnpm · Vercel previews

* The evidence map links the projects and pipelines where the stack is demonstrated. * Broader practice or local tooling, not a claim about the four public cases.

Complex domains

Complexity is not the problem. Missing structure is.

Complex products

Roles, permissions, and workflows that need more than a landing page.

Operations

Systems where signal, continuity, and traceability matter.

Science and education

Tools that explore data and turn difficult material into action.

About

Product thinking with engineering follow-through.

I work between product and engineering: finding the shape of the problem, then building a system another person can understand, use, and continue.

More about how I work

Is there a difficult part that needs to move?

Bring the context. We will find the shape.

Write by email or WhatsApp.