Selected Work
A selection of projects where I solved real problems, from complex migrations and high scale systems to MVPs delivered under tight constraints.
Checkout started behaving inconsistently in production. Totals would sometimes change in ways that didn’t make sense. After tracing the flow, I found that we had added an internal ActiveRecord hook that called...
Read caseWe started seeing something that should not happen: duplicate shipments for a single order. Our domain logic was supposed to prevent that, but under certain conditions two shipments were still being created....
Read caseAs a seasoned full-stack Ruby on Rails developer, I spearheaded an advanced project focused on data scraping and processing using the OpenAI API. The goal was to automate document management for investors...
Read caseI developed a minimum viable product (MVP) for a startup aimed at simplifying the process for investors to assign legally binding contracts. Leveraging the DocuSign API and Ruby on Rails, our team...
Read caseI undertook a complex project involving the migration from the Amazon Marketplace API to the new Selling Partner API, driven by the need to comply with updated privacy laws. This migration presented...
Read caseMy first experience working on a massive app with thousands of concurrent users daily was challenging and rewarding. One of my initial assignments was to create a new subscription tier with limited...
Read caseAs the lead developer for a native app project, I took on the responsibility of creating a high-quality application for a company with a tight deadline. Acting as the senior developer, I...
Read caseFaced with a challenging native app project, our team initially lacked the necessary expertise. The client had already provided a layout and built a backend for the project, but the previous company...
Read caseAs the project leader for the new Varilux Brasil website, I took on a multifaceted role that encompassed a range of responsibilities. From the outset, I was involved in gathering requirements directly...
Read caseIn my early days as a developer, I got handled more mundane tasks, which is a natural part of the learning process. One of my regular assignments was to deliver HTML code...
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