Joao Victor Rodrigues Hilario, Developer in São Carlos - São Paulo, Brazil
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Joao Victor Rodrigues Hilario

Verified Expert  in Engineering

Software Developer

São Carlos - São Paulo, Brazil

Toptal member since October 8, 2021

Expertise
Web DevelopmentAgile DevelopmentWindows DevelopmentLinuxJavaJavaScriptReact.jsNode.jsPostgreSQLGraphQLCSSJUnitAWSApache KafkaAngular
Bio

Joao worked as a full-stack developer on a variety of projects using Agile methodologies like Scrum and different technologies like JavaScript, Java, Angular, React, Redux, Kafka, microservices, Kubernetes, Git, Docker, REST, GraphQL, PostgreSQL, and MongoDB. He learns fast, communicates well, welcomes a challenge, and is passionate about finding simple solutions to complex problems.

Portfolio

Sisu Group
React, Node.js, PostgreSQL, Google Cloud, Redis, Apache Kafka, Docker
Amdocs
JavaScript, Node.js, Agile Software Development, Amazon EC2, Amazon S3 (AWS S3)...
Birkle IT
Angular, Node.js, Jenkins, Amazon Web Services (AWS), PostgreSQL, Redis

Experience

  • Java - 3 years
  • React - 3 years
  • Node.js - 3 years
  • PostgreSQL - 3 years
  • Jest - 3 years
  • JUnit - 3 years
  • JavaScript - 3 years
  • Docker - 2 years

Availability

Part-time

Preferred Environment

Linux, Amazon Web Services (AWS), Node.js, React

The most amazing...

...thing I've developed with my team in less than six months is a fast, reliable, and simple payment system for an IGaming company, now used by thousands of users.

Work Experience

Senior Full-stack Developer

2023 - PRESENT
Sisu Group
  • Worked with the payments team to ensure a reliable and fast customer experience.
  • Worked closely with the UI/UX team to ensure a seamless and intuitive user experience.
  • Optimized application performance by identifying and resolving bottlenecks, leading to a 25% improvement in response time and overall system efficiency.
Technologies: React, Node.js, PostgreSQL, Google Cloud, Redis, Apache Kafka, Docker

Full-stack Developer

2021 - PRESENT
Amdocs
  • Maintained and optimized a big American telecommunication website, used by hundreds of thousands of users.
  • Developed and tested a big company website rebranding and it went to production without any issues.
  • Built a custom issue reporter for code quality that is being used by my team to find and fix problems.
Technologies: JavaScript, Node.js, Agile Software Development, Amazon EC2, Amazon S3 (AWS S3), CSS, Docker, HTML, Jest, Amazon Web Services (AWS)

Full-stack Developer

2022 - 2023
Birkle IT
  • Provided technical expertise and guidance during client meetings and discussions, leading to improved client satisfaction and long-term partnerships.
  • Implemented continuous integration and continuous deployment (CI/CD) pipelines, resulting in a 30% reduction in release cycles and a more reliable deployment process.
  • Led the migration of legacy systems to a modern tech stack, ensuring minimal disruption to operations and enhancing the overall scalability and maintainability of the software.
Technologies: Angular, Node.js, Jenkins, Amazon Web Services (AWS), PostgreSQL, Redis

Full-stack Developer

2018 - 2021
Monitora
  • Developed multiple projects from start to production.
  • Was responsible for deploying and maintaining multiple projects.
  • Taught other teams how to build a back-end application using microservices architecture.
Technologies: JavaScript, React, Apache Kafka, Angular, Node.js, Microservices, Java, PostgreSQL, REST, GraphQL, HTML, CSS, SCSS, Lint, JUnit, Jest, Agile Software Development, Docker, Jenkins, Kubernetes, Amazon S3 (AWS S3), Amazon EC2, Web Development, Amazon Web Services (AWS)

Education

2015 - 2020

Bachelor's Degree in Computer Science

UNESP Campus Rio Claro - Rio Claro, SP, Brazil

Skills

Libraries/APIs

React, Node.js

Tools

WebStorm, Jenkins, Emacs, Slack

Languages

Java, JavaScript, GraphQL, HTML, CSS, SCSS, C, C++

Frameworks

JUnit, Jest, Angular

Paradigms

Agile Software Development, REST, Microservices

Platforms

Linux, Windows, Apache Kafka, Docker, Kubernetes, Amazon EC2, Amazon Web Services (AWS)

Storage

PostgreSQL, Amazon S3 (AWS S3), Redis, Google Cloud

Other

Lint, Web Development

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