Diego Lopes

Experience

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  Santander Tecnologia

  Feb 2018 - Nov 2019

  Intern

  Developed frontend applications using Angular 5 and expanded expertise into backend development with Node.js utilizing Express framework at Santander. Additionally, gained proficiency working with CouchDB, a non-relational database.Initiated my journey at Santander by crafting call center applications focused on fraud prevention support analysts, facilitating the evaluation of client account transactions for potential fraudulent activities. Transitioned to the Microcredit Business Area, contributing to an established application aimed at providing microcredit to small entrepreneurs in Brazil. Show less

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  Mercado Livre

  Nov 2019 - Dec 2021

  Contributed to the post-purchase business area by developing scalable applications using React for frontend and Node.js/Java for backend, ensuring robust and efficient solutions.Collaborated within specialized teams dedicated to enhancing user experience across various projects, including returns management, integration with "Know Your Customer" applications, and the implementation of a new customer complaint system. These initiatives were deployed to production across all Latin American countries where Mercado Libre operates.Engaged in an international work environment at Mercado Libre, collaborating with Spanish-speaking teams from the outset of my journey at the company. Show less

  • Software Engineer

    Jan 2021 - Dec 2021

  • Junior Software Engineer

    Nov 2019 - Jan 2021
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  UOL - Universo Online

  Dec 2021 - Apr 2022

  Software Engineer

  Developed and maintained backend microservices utilizing Java with Spring Boot, while ensuring communication via queue with RabbitMQ.Played an integral role within the cloud computing team, contributing to the development of solutions aimed at provisioning infrastructure for Uol's customers. This involved the provisioning of VMs with Linux/Windows servers or pre-installed applications such as WordPress, MySQL databases, among others.Improved the authentication process by implementing a local cache strategy on each instance of the service. This strategic enhancement led to a notable reduction in authentication times during peak periods, from 1-2 seconds to approximately 5-10 milliseconds. Show less

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  Bemobi

  Aug 2022 - Mar 2023

  Software Engineer

  Played a pivotal role in the development of backend microservices in Java utilizing SpringBoot or SpringBatch frameworks, as well as in NodeJs using NestJs. These services were engineered to persist data on PostgreSQL databases and were seamlessly delivered to production using Terraform and AWS infrastructure.Contributed significantly to the file processor team, where responsibilities encompassed the development, maintenance, and architectural design of a versatile platform. This platform enables customers to submit generic records, which are then dynamically compiled into files based on customizable templates. Notably, a predominant use case involves the generation of FEBRABAN files, a standard format for interfacing with financial institutions in Brazil.Migrated the system infrastructure from AWS sa-east to us-east using Terraform, resulting in a reduction of operational costs. Show less

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  Caju

  Mar 2023 - now

  Software Engineer