Guilherme Lopes
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Guilherme Lopes Email & Phone Number

Back-end Developer at Vivo (Telefônica Brasil)
Location: Santa Bárbara d'Oeste, São Paulo, Brazil 5 work roles 1 school
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
Role
Back-end Developer
Location
Santa Bárbara d'Oeste, São Paulo, Brazil
Company size

Who is Guilherme Lopes? Overview

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Quick answer

Guilherme Lopes is listed as Back-end Developer at Vivo (Telefônica Brasil), a company with 297 employees, based in Santa Bárbara d'Oeste, São Paulo, Brazil. AeroLeads shows a matched LinkedIn profile for Guilherme Lopes.

Guilherme Lopes previously worked as Back-end Developer at Mutant and Back End Developer at Rethink Tecnologia. Guilherme Lopes holds Bachelor'S Degree, Systems Analysis from Universidade Anhembi Morumbi.

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Vivo (Telefônica Brasil)

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Profile bio

About Guilherme Lopes

Backend software developer for 4+ years mainly focused in backend with Node.Js development, with Nest.Js and Express, working about of 3+ years on highly soluctions.I'm finishing my degree in information systems (I'll finish in november/2024).My main expertise is in Node.Js using Typescript and Javascript, and some times I like to code in C#/.Net 5, using it to develop API's, serverless functions (azure functions and some AWS Lambdas), and microservices.Hard Skills:🏗️ Backend> APIS: REST, GraphQL> Async communication: Azure service bus> Cache: Redis, Memory cache> SQL: MySql, SQL Server, PostgreSQL> NoSQL: MongoDB, DynamoDB> ORM: Entity Framework, Knex.Js> Architectural: Clean, Hexagonal, Microservices, Vertical slices⚙️ DevOps> CI/CD: Azure DevOps, Github Actions, Jenkins> Monitoring and alerts: AWS CloudWatch, Datadog, Grafana, Kibana> Cloud: Azure, AWS, GCP, Heroku🖼️ Front-end (it's not my main)> ReactJS> React Native> AngularJS

Current workplace

Guilherme Lopes's current company

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Vivo (Telefônica Brasil)
Vivo (Telefônica Brasil)
Back-end Developer
State of São Paulo, Brazil
Website
Employees
297
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5 roles

Guilherme Lopes work experience

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Back-End Developer

Current

São Paulo, Brasil

Mar 2024 - Present

Back End Developer

Belo Horizonte, Minas Gerais, Brasil

In the main project where I worked, I was one of the individuals responsible for the creation and maintenance of code from a legacy Java app. I performed the conversion to Typescript using Node.JS, through which microservices were developed and consumed by both the front-end and mobile apps, built in React.JS and React Native, respectively. All incoming.

Aug 2022 - Jan 2024

Back End Developer

Lopes Tecnologia

Brasil

I was responsible for creating and maintaining code for various projects as a Back End Developer. I utilized technologies such as Node.js, TypeScript, MongoDB, PostgreSQL, and others. During this period, I also converted parts of a legacy Java application to TypeScript, developed and consumed microservices, and optimized data processing and performance for.

Jun 2021 - Jan 2024

Full Stack Developer

Campinas, São Paulo, Brazil

I was responsible for the maintenance and creation of the APIs that we made and those that already existed, I also organized the flow of our tasks, because there was no one responsible for this, so who was responsible for each task was who should be responsible for setting up the flows and organizing in the best way the APIs/tasks. And I helped developers.

Jun 2021 - Jul 2022
Team & coworkers

Colleagues at Vivo (Telefônica Brasil)

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1 education record

Guilherme Lopes education

FAQ

Frequently asked questions about Guilherme Lopes

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What company does Guilherme Lopes work for?

Guilherme Lopes works for Vivo (Telefônica Brasil).

What is Guilherme Lopes's role at Vivo (Telefônica Brasil)?

Guilherme Lopes is listed as Back-end Developer at Vivo (Telefônica Brasil).

Where is Guilherme Lopes based?

Guilherme Lopes is based in Santa Bárbara d'Oeste, São Paulo, Brazil while working with Vivo (Telefônica Brasil).

What companies has Guilherme Lopes worked for?

Guilherme Lopes has worked for Vivo (Telefônica Brasil), Mutant, Rethink Tecnologia, Lopes Tecnologia, and Hausz - Pisos E Ambientes.

Who are Guilherme Lopes's colleagues at Vivo (Telefônica Brasil)?

Guilherme Lopes's colleagues at Vivo (Telefônica Brasil) include Rafael Silva, Keila Talita Fukuda, Igor Astro, Natan Nunes De Sousa, and Iris Oliveira.

How can I contact Guilherme Lopes?

You can use AeroLeads to view verified contact signals for Guilherme Lopes at Vivo (Telefônica Brasil), including work email, phone, and LinkedIn data when available.

What schools did Guilherme Lopes attend?

Guilherme Lopes holds Bachelor'S Degree, Systems Analysis from Universidade Anhembi Morumbi.

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