Isaac Melo
@isaacmelo
Front-end engineer specializing in React and TypeScript, building scalable, user-centered web applications.
BrazilWhat I'm looking for
I am a front-end engineer with 4 years of experience building high-quality React and TypeScript applications, primarily in the health and AI sectors. I prioritize usability, scalable architecture, and clean, maintainable code.
As a founding developer I led front-end architecture, shipped four professional projects from scratch, migrated a codebase from CRA to Vite, and created a design system that accelerated page delivery by 150%. I’ve driven technical decisions that turned products into core sales drivers.
I work across the stack when needed, contributing to Python, Django, FastAPI, and Go services, building real-time features with Django Channels and WebSockets, and improving database performance through query tuning and indexing.
I enjoy mentoring early-career developers, participating in hiring, and collaborating in startup environments where I can take ownership, improve product usability, and deliver measurable impact through strong communication and pragmatic engineering.
Experience
Work history, roles, and key accomplishments
Mid-Level Front-End Engineer
Triágil
Jan 2023 - Present (3 years 5 months)
Migrated the codebase from Create React App to Vite, reducing build time by 50% and improving development performance. Led front-end architecture, implemented CI/CD with AWS Amplify across 3 environments, built a WebSocket real-time notification system resolving 100% of file-download timeouts, and developed a design system that accelerated page delivery by 150%.
Jr. Front-End Engineer
Triágil
Jan 2022 - Dec 2022 (11 months)
Built the company's main product dashboard from scratch using React and TypeScript, which scaled into a multi-product dashboard and became a primary sales driver.
Education
Degrees, certifications, and relevant coursework
Federal University of Amapá
Foreign Affairs
2017 - 2021
Studied Foreign Affairs at the Federal University of Amapá from July 2017 to 2021. Program was not completed.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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