Júlio Carneiro

Senior Frontend Developer

Frontend Developer with 10+ years of experience, specialized in JavaScript, React, Next.js, Node.js, Flutter, and automation with n8n.

Certified in Information Security (CISCO, IBSEC, CSIRT, Cyber Security & Ethical Hacking). Passionate about creating automated workflows and optimizing processes.

#About

Frontend Developer with 10+ years of experience, specialized in JavaScript, React, Next.js, Node.js, Flutter, and automation with n8n. Certified in Information Security (CISCO, IBSEC, CSIRT, Cyber Security & Ethical Hacking).

Throughout my career, I have worked on projects demanding high performance, scalability, and security, always focused on delivering solutions that enhance user experience and drive business impact. Expert in creating intelligent automation flows that optimize processes and increase productivity.

Beyond hands-on development, I contribute to the tech community by writing technical articles on frontend, mobile, security, and automation for my blog and platforms such as Tableless and React Brasil.

Passionate about continuous learning, I strive to stay ahead with tools and best practices that bring real value to digital products. Automation enthusiast and intelligent workflows with n8n, always looking for ways to make processes more efficient.

#Experience

Software Engineer

Nov 2023 — Present

VoA

Responsible for architecting part of the company's front-end v2. Focused on user experience and platform usability, creating new product features from start to finish: through conception, research, implementation, and maintenance.

Next.jsTypeScriptZustandDockerStorybookLiveBlocksTiptapCI/CD

Front-end Engineer

Dec 2022 — Oct 2023

Munchies

Responsible for architecting the company's front-end, developing Web3 solutions with unit testing, state management with Redux Toolkit, and GraphQL API consumption.

Next.jsTypeScriptWeb3Redux ToolkitGraphQLApolloJestStorybook

Senior Frontend Developer

Jul 2021 — Dec 2022

HostGator América Latina

Responsible for maintaining and creating new features in critical projects such as Cart/Checkout, Client Area, and Main Site. Focused on user experience, working with Product Designers and Product Management.

Next.jsTypeScriptRedux/SagaDockerJestStorybookCI/CD

View Full Experience on LinkedIn

#Professional Projects

Mitsubishi Motors

Mitsubishi Brasil Official Website.

Next.jsPreactTypeScriptPerformanceSEO

Voa Health

AI for medicine system.

Next.jsTypeScriptZustandLiveBlocksTiptapDocker

Munchies Money

Web3 Finance.

Next.jsTypeScriptWeb3Redux ToolkitGraphQLApollo

HostGator Brasil

Main product: Checkout.

Next.jsTypeScriptRedux/SagaJestDockerCI/CD

ClickBus

I helped build the product in the beginning.

HTMLCSSJavaScriptjQuerySASSNewsletter

Folha.com

Webmaster and monitoring systems.

HTMLCSSJavaScriptNagiosCactiCMS

#Personal Projects

Magiscan

Quickly find prices for Magic: The Gathering cards.

Next.jsTypeScriptAPIReal-time DataWeb Scraping

GrooveHub

Tool for DJs to organize and create memorable sets.

ElectronReactTypeScriptAudio AnalysisDesktop App

boilerplate-next-ts

Opensource boilerplate NextJS + TS.

Next.jsTypeScriptStyled ComponentsJestStorybook

node-ts-boilerplate

Opensource API boilerplate with Express + TS.

Node.jsExpressTypeScriptPrismaZod

Medium

I write technical articles to help community.

ArticlesDevelopmentBest Practices

#Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities. Let's talk about how I can help!

Contact Information

juliocarneiro@gmail.com

Location

Brasil

Availability

Unavailable for projects

Response Time

I typically respond within 24 hours on business days.