Looking for a job

Andrei Petrescu

@andreipetrescu

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I build and modernize Ruby on Rails products, APIs, and reliable backend systems.

France

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What I'm looking for

I'm looking to build and improve Rails products in a collaborative product squad, with responsibility for backend features, API integrations, production reliability, and pragmatic modernization.

I've built customer-facing APIs at Qonto-Regate, upgraded Lendosphere's Rails application from version 4 to 6, and delivered backend features for Coinhouse's crypto platform. I focus on practical feature delivery, external API integrations, and resolving production issues.

As founder and CTO of Monmentor, I built and maintained a mentoring platform end-to-end and managed a team of four developers. I'm comfortable improving established Rails codebases while keeping products stable and moving forward.

Experience

Work history, roles, and key accomplishments

Senior Rails Developer

Qonto - Regate

Jan 2023 - Dec 2024 (1 year 11 months)

Created the first iteration of the customer-facing API for the Regate division. Designed and delivered backend features within a squad, integrated and managed external APIs, and researched and resolved production bugs.

Ruby on Rails API Integration Backend Development PostgreSQL Git