Rescue work
Migrar de Firebase a Postgres sin tiempo de inactividad
Datos con forma de documento reestructurados en tablas relacionales, migrados en vivo, con lecturas cambiadas solo una vez que los recuentos se concilian.
What you get
- Esquema relacional diseñado a partir de sus documentos reales de Firestore
- Fase de doble escritura manteniendo ambas bases de datos consistentes durante la transición
- Relleno con recuentos de conciliación por colección antes del cambio
- Reglas de seguridad traducidas a políticas de seguridad a nivel de fila
- Plan de reversión probado en staging antes del cambio a producción
Usually built with
Firebase
PostgreSQL
Prisma
Node.js
A guide, not a requirement — sellers propose what suits your situation.
Who offers this
Cheapest first. Ratings are shown where there are enough reviews to mean something.
Close to this
Finish the last 20 per cent nobody wants to touchThe demo works. Billing edge cases, password resets, empty states and error handling do not. I finish that part.from €5,000Rescue a half-finished AI-built appYou shipped fast, then it stopped making sense. I map what exists, stabilise it and give you a plan to finish it.from €3,500Migrate off Bubble before it caps your growthYour no-code app hit its ceiling on performance, cost or hiring. Rebuilt on real code with your data carried across.from €7,000Untangle thousands of lines of generated componentsNine near-identical components, props drilled six levels down and no naming logic. Consolidated into something you can edit.from €2,600First real test suite for a codebase with noneYour agent wrote thousands of lines and zero tests. I cover the paths that lose you money if they break.from €2,000Replace hand-rolled auth before it costs you usersSessions in local storage and passwords compared with equals signs, replaced by an auth setup that stands up to scrutiny.from €2,000
What will it cost?
Four questions, an instant range. No account, no waiting.
Estimated range
€5,000 – €9,000
14-24
Based on the catalogue guide — nobody has published this service yet, so there is no market price to work from. An estimate, not a quote: a seller prices the real job once they have read it.
Request a quote
No account needed. You get a price and a timeline before committing to anything.