IVANILTON BEZERRA DA SILVA

Senior Frontend Engineer

Profile

Senior Frontend Engineer with 6+ years of experience building scalable web applications using React and TypeScript. I specialize in frontend architecture, performance optimization, and building maintainable component systems for complex applications. I actively integrate AI-assisted development tools such as GitHub Copilot and Claude into my workflow to accelerate development, refactoring, and debugging while maintaining high code quality.

Work Experience

Senior Frontend Developer

Oct 2024 — Present
Maxxi São Paulo, Brazil (Remote)

ITS Project (Bayer)

  • Led the frontend modernization initiative, structuring a React-based architecture to migrate the seed sales flow from Angular to React.
  • Delivered the initial migration of critical modules, improving system performance, simplifying workflows, and fixing legacy bugs.
  • Designed scalable frontend architecture and reusable components using React and TypeScript to support the gradual migration of legacy Angular modules.
  • Acting as frontend technical lead, coordinating pull request workflows, conducting code reviews, and ensuring architectural consistency across the team.
  • Continuously contributing to new feature development and the migration of additional modules, improving maintainability and development velocity.
React TypeScript JavaScript TanStack Query Axios MUI Emotion Vite HTML CSS Git GitHub Copilot

Frontend Developer

Jun 2021 — Oct 2024
Maxxi São Paulo, Brazil (Remote)
  • Safra360 Project (Bayer): Maintained and created new features for a system assisting Bayer managers and farmers during soybean planting, harvesting, and auditing.
  • TOS Project (Bayer): Led the restructuring process focused on controlling sales billing of Bayer seeds, refactoring existing functionalities to improve performance and code structure.
  • EzTime Project (Maxxidata): Contributed to development of a time management tool, improving time entry performance and adding batch time entry features.
  • ITS Project (Bayer): Structured a new project to migrate all seed sales flow screens from Angular to React, successfully carrying out the initial migration.

Junior Frontend Developer

May 2020 — May 2021
Maxxi São Paulo, Brazil (Remote)
  • Worked remotely on the maintenance and creation of new features for the frontend of a system developed to assist Bayer managers and farmers during the soybean planting, harvesting, and auditing process.

Junior Frontend Developer

Apr 2018 — Mar 2020
Idealle Sistemas Aracaju, Brazil
  • Worked on helpdesk support and enhancement of the company's commercial automation system.
  • Responsible for maintenance, testing, improvements, and developing new features to meet customer demands.
  • Utilized HTML, JavaScript, CSS, React, and MySQL to develop efficient and responsive solutions.

Support Analyst

Aug 2017 — Apr 2018
Idealle Sistemas Aracaju, Brazil
  • Provided technical support and assistance for the company's commercial automation system.

Skills

React TypeScript JavaScript TanStack Query Axios MUI Emotion Vite HTML CSS Git GitHub Copilot Claude AI

Education

Faculdade Maurício de Nassau

2015 — 2019

Information Systems

Universidade Tiradentes

2014 — 2015

IT Technician