Diego Galvão

Available to hire

js. With a background in Sales, I combine technical skills with a strong understanding of business needs to develop efficient software solutions.

About

I am a Frontend Software Developer specialized in React.js, Next.js, TypeScript, and Node.js. With a background in Sales, I combine technical skills with a strong understanding of business needs to develop efficient software solutions.

Currently, I work as a Full Stack Developer, building and maintaining software using React, Next.js, and Java. I focus on implementing new features, optimizing UI/UX, and improving performance. Before transitioning into software development, I worked for over five years as a Sales Engineer, managing distributor relationships and expanding brand presence in the market. My ability to bridge technical knowledge with customer focus allows me to deliver impactful solutions. My diverse journey — from customer support and design, through Sales Engineering, to Software Engineering — gives me a unique perspective in development. This experience helps me understand business rules and user needs beyond the technical scope. Highlight Project: I led a complete refactoring of the company’s main application frontend, migrating from React 15 to React 18. The goal was to create and use a new Design System, in order to improve UX, modernize the codebase, improve performance, adopt best practices, and ensure compatibility with modern libraries. The project involved architectural review, dependency updates, legacy component refactoring, and implementation of automated testing.

  • 14 years' experience
  • Joined January 2026

Languages

  • EnglishFluent
  • Spanish; CastilianAdvanced
  • PortugueseFluent

Industry experience

  • Software & Internet
  • Life Sciences
  • Healthcare
  • Professional Services

Work experience· 4 roles

Full Stack Developer (Frontend Focused) · Five ValidationJan 2021 – Present · 5 yrs 11 mos

Developed and maintained internal systems using React, Next.js, TypeScript, and Java. Implemented new features, bug fixes, and UI/UX improvements focused on performance and scalability. Optimized responsive design using Tailwind CSS and Bootstrap. Worked with PostgreSQL, AWS, and Docker in backend infrastructure. Integrated REST APIs, internationalization (i18n), and lifecycle improvements. Created E2E tests, automated testing, and conducted code reviews. Worked in Agile methodology (Scrum/Kanban) with Jira and GitHub.

Full Stack Developer Intern · Five ValidationJun 2020 – Dec 2020 · 7 mos

Supported web application development with React 15 (class components). Bug fixes, UI design, and REST API implementation. Managed databases with PostgreSQL. Participated in Agile teams, applying design patterns and responsive development.

Sales Engineer · FLIR SystemsJan 2014 – Dec 2019 · 6 yrs

Managed distributors and expanded the infrared camera market for industrial automation. Developed sales plans, market analysis, and pricing strategies. Led technical seminars and negotiated with international partners. Increased revenue and strengthened strategic customer loyalty.

Technical Support Intern · FLIR SystemsJan 2012 – Dec 2014 · 3 yrs

Education

Bachelor's in Mechatronics Engineering · Centro Universitário FACENS2010 – 2020
Postgraduate Degree in Product Management · Descomplica2023 – 2024

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