Rogério – React Native, JavaScript, Typescript

A worldwide network of professionals.

• Worked as a software engineer for several companies around the world, delivering web, mobile, and backend solutions using Java, GO, C#, and NodeJS stack (React, React Native, ExpressJS, and NextJS).
• Implemented and improved features on several projects for different sectors, from mortgage analysis to medicinal and recreational cannabis, fraud detection, and investments.
• Built and deployed backend components using REST or GraphQL on Heroku, Vercel, and AWS.
• Setup CI/CD with Jenkins and cloud infrastructures with Terraform, speeding DevOps tasks up to 5x.
• To build POS software and rewards apps, employed modern frameworks, patterns, and practices like KISS, YAGNI, SOLID, and Clean Code.
• Designed architecture and implemented social media, chat and dashboards.
• Published several apps on Google Play and Apple Stores.

Simplify the research process for organizations relying on peer-reviewed content to inform business decisions.

• Maintained FAST ESP platform clusters.
• Maintained reports using CSS, HTML, Javascript, Typescript, React, Vite, PHP, Python and Perl.
• Was in charge of management/configuration of Cacti reports/charts.
• Acted as DevOps maintaining Jenkins build pipelines, migrating AWS Cloud Formation stacks, and updating RDS databases.
• Created ansible roles to build FAST ESP-based images for EC2 instance deployment.
• Worked on improving Jenkins CI/CD pipelines building Java applications with Gradle.
• Migrated several service APIs between AWS accounts.
• Deployed IT infrastructure with Docker, Kubernetes, Terraform, and AWS ECS + Codedeploy.
• Supported several tasks on FAST ESP to Opensearch migration.
• Created base FAST ESP AMI for search and data ingestion testing purposes. Also supported migration of more than 40 million documents.
• Deployed and fixed several production-level deployments.

A DeFi dashboard where you can track your blockchain investments, from tokens, to yieldfarms, assets landed and borred and liquidity pools.

• Wrote admin dashboard using React and Material UI to handle more than 20+ defi projects data, product types, products, 200+ tokens, and other DeFi-related investments.
• Built and deployed NodeJS API and background jobs to read blockchain explorers like BscScan and others to read token information and token pairs to help with asset calculation.
• Made several UI improvements on the main DeFi dashboard and evaluated potential additions to increase tool value.

An HR platform where companies can search for best candidates for open positions and candidates can upload their CV and share their professional experience.

• Redesigned job vacancy searches using ASP.NET and jQuery.
• Analyzed and improved search backend on top of FAST ESP platform.
• Built UI search components, accelerating development process up to 20%..
• Debugged issues and proposed improvements.

A technology company founded in 1998 with a focus on developing and integrating complex, high-performance and scalable systems. Their highly skilled team has delivered over 1500 successful projects for dozens of clients.

Since 2016, they have been focusing on digital transformation, enabling our clients to overcome the limitations of traditional on-premises business applications and unlock the power and flexibility of the cloud.

• Built callcenter web app for credit card investment analysis using JSF + Ajax.
• Built the first movie theater ticket app in Brazil using Objective-C for iOS and Java for Android.
• Built strategic tool for local communications carriers to allow its users to search for company critical information using Java and JSF.