Jael

1st place at ZKForge 2025 · An extension on the VS Code Marketplace and OpenVSX · A clinic platform live in Chile.

Freelance engagements alongside products built and run solo, end to end. The workflow is AI-native and self-made, comprising a Claude Code skill library that generates and maintains other skills, MCP servers and subagents, and Playwright suites on everything shipped.

A dynamic table and form framework adopted across ~20 admin modules, cutting the time to build a new one by 60%.

Cross-border e-commerce logistics in Flutter and Angular: warehouse operations, repacking, payment flows, and a self-service claims system that has replaced manual database queries. In addition, AI tooling was integrated into the daily workflow, with a LLM agent being developed as a prototype to manage tickets.

Map queries over 6M+ networks cut from up to 7 seconds to under 500ms using Uber's H3 spatial indexing in PostgreSQL.

Principal mobile engineer on a free Wi-Fi map with real social impact. Rearchitected a noisy codebase into a modular React Native app, added an offline mode that downloads a region's networks for no-signal use, and owned ~60 releases to both stores across 100+ countries.

Real-time control of 1,500 scooters across 10+ fleets, with white-label delivery cut from 3 weeks to 1.

Built a white-label system that put 5 branded apps into production across 8 countries, then rebuilt the operator app from scratch with full design ownership. The operations team in Finland stated that it is faster and more intuitive than the previous app.

Two products delivered end to end as the sole developer, from client spec to launch.

First commercial work: the Xtrema FM Ecuador streaming app with a Laravel admin module, and Icono HotSpot, selling limited-time Wi-Fi access in public spaces on Mikrotik hardware.