Portfolio

Production work, with evidence

Live sites, published packages, and automation already running in production.

Ten public projects, each with verifiable evidence.

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Python & Data

PythonDuckDBData PipelinesParquet

★ 134 stars · 12 forks · Published data pipelines & CLI

★ 134DuckDB + ParquetCI/CD Pipeline12 forks

chile-hub

A curated, reproducible data layer that normalizes and validates Chilean public datasets into single-line imports.

Built and maintainsVerified 2026-09

Why it mattered: Public datasets in Chile are fragmented, inconsistently formatted (e.g., variable-length CUT codes), and prone to silent upstream changes.
Built: Built an automated pipeline that extracts, sanitizes, and verifies geography, demography, and health data, exporting optimized Parquet, DuckDB, and JSON builds with loud-failing invariants.
Verified result: 134 GitHub stars, fully automated CI/CD pipeline, CLI/API package, and a public static dashboard with verified datasets.

Read engineering case study View GitHub Python Automation Describe this problem

PythonPyPICLI

★ 12 stars · 3 forks · Published on PyPI

★ 12 PyPI CI ✓CodeQL ✓3 forks

Rutificador

Published Python package teams can drop into forms, ETL jobs, and batch workflows.

Built and publishesVerified 2026-09

Why it mattered: Teams processing Chilean IDs need consistent validation and normalization instead of re-implementing edge cases.
Built: Published a Python library and CLI with clean install paths, CI, and CodeQL-backed maintenance.
Verified result: Installable on PyPI and usable inside scripted and pipeline-oriented workflows.

View GitHub View package Describe this problem

PythonScrapingGoogle Sheets

★ 5 stars · 1 fork · Recurring production pipeline

★ 5Production1 fork

Jackpot Data Pipeline

Recurring scrape-to-sheets pipeline that removes manual lottery result updates.

Built and operatesVerified 2026-09

Why it mattered: Lottery result sources are volatile, making manual updates brittle and time-consuming.
Built: Automated scraping, normalization, and Google Sheets publishing on a recurring schedule.
Verified result: Production pipeline with GitHub visibility and outputs designed for repeat use.

View repository Read docs Describe this problem

Web & Apps

AstroE-commerceVite

Live at elrincondeebano.com · Private residential marketplace

LiveDaily orders100+ SKUs

El Rincón de Ébano

100+ SKU storefront handling daily orders for a live private-community business.

Designed, built, and maintainsVerified 2026-09

Why it mattered: Residents needed a private ordering flow that felt simpler than informal chat-based purchasing.
Built: Designed and run an Astro storefront with product filtering, bundle promotions, a real-time cart, and WhatsApp checkout.
Verified result: 100+ SKUs, daily transactions, and ongoing operator maintenance in production. This is not a demo.

Visit live site View repository Web technical hygiene Describe this problem

AstroTypeScriptFinance

Live at monedario.cl · Chilean personal finance platform

LiveNo ads · No paywalls

Monedario

Free public finance product with live Chilean indicators and practical calculators.

Built and operatesVerified 2026-09

Why it mattered: Reliable finance guidance in Chile is often fragmented, paywalled, or too technical for normal users.
Built: Built a public Astro platform with calculators, nine guide categories, and live economic indicators.
Verified result: Live product, updated in 2026, with no ads or paywalls.

Visit live site Web technical hygiene Describe this problem

AstroSEOAccessibility

Live at noticiencias.com · Spanish-language science media, 8 disciplines

Live8 categories

Noticiencias

Live science publication with eight SEO-structured categories and readable editorial architecture.

Built and operatesVerified 2026-09

Why it mattered: Science content sites often trade clarity for volume and lose structure as categories grow.
Built: Built an Astro editorial platform with category governance, source tracking, and methodology documentation.
Verified result: Live publication covering 8 disciplines with SEO-focused content architecture and RSS.

Visit live site View repository Describe this problem

CLI & Tools

PythonCLIAudit

Published on PyPI · Fail-closed audit automation

★ 1 PyPI

Conciliador Bancario

Audit-grade reconciliation tool that stops on mismatches instead of masking them.

Built and publishesVerified 2026-09

Why it mattered: Reconciliation tools often optimize for convenience even when the underlying data does not actually match.
Built: Built a Python tool that stops on mismatches, produces deterministic outputs, and keeps append-only audit logs rather than silently producing a wrong result.
Verified result: Published on PyPI with reproducible installation and a traceable record of every run.

View GitHub View package Describe this problem

TypeScriptFastAPIReact

DNS benchmarking with statistical rigor

★ 1

DNSpect

Percentile-based DNS benchmarking stack built for analysis, not demo-friendly averages.

BuiltVerified 2026-09

Why it mattered: Resolver comparisons often rely on single averages that hide distribution and outlier behavior.
Built: Built a TypeScript CLI, FastAPI backend, and React dashboard around percentile-based benchmarking.
Verified result: Technical framing centers statistical rigor instead of demo-friendly averages.

View repository Describe this problem

Products & Extensions

ElectronFastifySQLite

Electron + React + Fastify + SQLite · Desktop-first portfolio tracker

CI ✓1,470+ tests1 fork

Portfolio Manager

Desktop-first portfolio manager with local persistence, trust metadata, provider failover, and bilingual UI.

Designed and builtVerified 2026-09

Why it mattered: Many portfolio tools push users into the cloud, hide pricing trust signals, or treat review workflows and financial math as afterthoughts.
Built: Built an Electron app with a Fastify API, SQLite storage, per-launch session auth, a decimal.js finance engine, provider fallback chains, and benchmark-aware review workflows.
Verified result: 1,470+ node:test assertions, 90+ Vitest tests, Playwright, mutation testing, and a 13-step CI pipeline covering lint, typecheck, quality, coverage, and audit gates.

View repository Describe this problem

JavaScriptBrowser ExtensionPrivacy

Chrome Web Store + Firefox Add-ons · Local-only browser extension

Chrome Store Firefox Add-ons CI ✓

LinkedIn Spam Blocker

Browser extension that hides LinkedIn engagement-bait spam locally, with no telemetry, remote blocklists, or network requests.

Built and publishesVerified 2026-09

Why it mattered: LinkedIn engagement-bait posts crowd useful hiring, industry, and work updates, while platform reporting often leaves the pattern untouched.
Built: Built a Chrome and Firefox extension that scans supported LinkedIn pages locally, hides matching spam patterns, and gives users language toggles, custom phrases, whitelists, snooze, and false-positive recovery.
Verified result: Published in the Chrome Web Store and Firefox Add-ons with packaged releases, CI, a public privacy policy, and a zero-network design.

View GitHub Chrome Web Store Firefox Add-ons Describe this problem