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...
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We 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....
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As 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...
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I 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...
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I 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...
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My 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...
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As 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...
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Faced 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...
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As 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...
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In 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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