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Diego Galvão

@diegogalvo

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Full-stack engineer building scalable, high-performance React/Next.js products with business-focused delivery.

Brazil

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What I'm looking for

I’m looking for a team where I can keep learning and growing, face new challenges, ship reliable and impactful features to the end user, and improve performance and UX—using React/Next.js, Node/Nest.js, and PostgreSQL to deliver compliant products.

I’m a Full Stack Software Engineer specialized in React.js, Next.js, TypeScript, and Node.js, with a background in Sales that keeps my work grounded in business needs. I currently build and maintain software using React, Next.js, and Java, focusing on new features, UI/UX optimization, and performance improvements.

At Five Validation, I led a ground-up refactoring of a mature production frontend, migrating from React 15 to React 18 while keeping the system fully operational. I also created a new Design System to modernize the interface, improve usability, and increase performance and maintainability—while expanding automated testing with Jest, React Testing Library, and Cypress.

Beyond the frontend, I build RESTful APIs using Java (Spring Boot) and optimize PostgreSQL through schema evolution and query tuning. I mentor junior and mid-level engineers, collaborate with product and stakeholders, and work in Agile/Scrum squads to deliver reliable, compliant solutions in regulated environments.

Experience

Work history, roles, and key accomplishments

Current

Frontend Engineer

Current

Five Validation

Jun 2020 - Present (5 years 11 months)

One of my most relevant projects was leading a refactoring of a mature product with +5 years in production, transforming a legacy codebase into a modern, scalable architecture of my company’s main application frontend, from React 15 to React 18.
The project included creating a new modern Design System, improving usability, all while enhancing performance and maintainability

Sales Engineer

FLIR Systems

Jun 2014 - Oct 2019 (5 years 4 months)

Managed and developed distributor networks, ensuring strong performance, market penetration, and
long-term partnerships across LATAM.
Conducted international business development, securing strategic partnerships in automation and
machine vision, public safety, aerial surveillance markets.
Represented FLIR at major industry trade shows and technology events in Latin America and the United States

Communication Communication Skills Community Management Sales Salesforce Sales Strategy Sales Forecasting Sales Engineering Sales Presentations Sales Development Sales & Management Sales Pipeline Management Sales Planning Sales Management Public Speaking Presentation Skills Presentation

Technical Support Intern

Flir Systems Brasil

Apr 2012 - May 2014 (2 years 1 month)

• Delivered multilingual technical support (Portuguese, English, and Spanish) to customers across LATAM, assisting with software usage, camera operation, configuration, and troubleshooting.
• Diagnosed and debugged issues in new and existing cameras, documenting root causes and reporting
findings to the R&D team to support product improvements and feature enhancements.

Infrared Camera Calibration Technical Troubleshooting Maintenance And Repair Customer Support Multilingual Support Quality Assurance