Case Studies
Real projects: rescued platforms, testing built from zero, multi-tenant data systems, and years of critical public-sector software. Here's what we did and what changed.
Listing Los Cabos: From an Inherited, Half-Built Platform to a Product They Own
We rescued a React + Firebase real estate platform the client did not own, added Stripe subscriptions, and shipped one codebase serving two cities.
~6 months
Time to production
2 cities
One codebase
A Multi-Tenant Data Platform Where Every Client Sees Only Their Data
We built the backend for a multi-tenant B2B data platform — NestJS, SSO, embedded Superset with per-client isolation — and ran a major Superset migration.
4.1 → 6.1
Superset upgrade
~4,400 files
Migration safety
Release Confidence for a High-Volume Ticketing Platform
A testing strategy built from zero for a high-volume ticketing platform in Spain — backend integration and Playwright E2E, with a post-deploy gate.
20 → 91
E2E coverage
616
Integration cases
City-Wide Government Systems: Traceability When Errors Are Not an Option
Technical leadership of public-sector systems for the City of Buenos Aires — employee evaluation, subsidized-medication traceability, and civic participation.
~7 years
Engagement
12
Systems
New Condal: Replacing the Report Someone Built by Hand Every Month
For a Barcelona marketing agency, we built a custom Apps Script connector that pulls Google Business Profile data into Looker Studio dashboards automatically.
Eliminated
Manual reporting
Multiple GBP
Data sources
IVEE: Making Sense of Clinical Histories Nobody Could Analyze
For a veterinary company, we turned clinical histories trapped in PDFs from different systems into structured, queryable data in BigQuery with dashboards.
PDFs
Input
BigQuery
Output