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Rubens DinizRD
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Rubens Diniz

@rubensadiniz

Frontend engineer with 5+ years in React/Next.js/TypeScript. Built SaaS at scale, 85% test coverage, remote-ready, fluent English.

Brazil
Message

What I'm looking for

Remote frontend role at a product-driven company where I can own features end-to-end, work with a strong engineering team, and keep growing as an engineer building modern React/Next.js applications.

Hello! I’m a Software Engineer with over 5 years of experience designing and implementing modern, scalable web applications using Next.js, React, TypeScript, and JavaScript. Throughout my career, I have contributed to the development of complex user interfaces, built dozens of reusable components, resolved hundreds of client-reported issues, and ensured product reliability by maintaining >80% test coverage with Jest, React Testing Library and Storybook.

I specialize in building responsive, mobile-first, and high-performance applications, driving improvements in usability, SEO, and system efficiency. My work has not only enhanced the UX but also supported business goals through the creation of internal tools, analytics dashboards, and comprehensive documentation for both technical teams and end users.

While my primary focus is front-end engineering, I have also gained valuable experience in related fields:
• Backend development with Node.js, contributing to API integrations and data processing workflows.
• Data science projects leveraging Python and Pandas for research and data-driven insights.
• Mobile development with React Native, ensuring consistent cross-platform experiences.
• AR/VR and game development using Unity and C#, creating immersive applications and interactive experiences.

Passionate about clean code, performance optimization, and user-centric design, I am a lifelong learner continuously exploring new technologies and best practices in software engineering.

Always curious, always building. Let's work together!

Experience

Work history, roles, and key accomplishments

Starlight logoST
Current

Front-end Engineer

Starlight

Jan 2023 - Present (3 years 5 months)

As a Front-end Engineer at Starlight, I developed applications and interfaces using Next.js and TypeScript. I contributed to various projects, including a headless CMS solution and internal metrics tracking, while implementing automated tests with Jest, RTL and Playwright.

Gradily logoGR

Front-end Engineer

Gradily

Oct 2025 - Jan 2026 (3 months)

Consolidated two codebases into a monorepo, refactoring AI-generated code to reduce bundle size by ~30% and fixing issues across student and teacher Next.js apps. Deployed an AI-powered ENEM/SAEB essay grading platform used by 20+ schools and 2,000+ students, processing 5,000+ essays monthly and helping improve scores by 14–22% while reducing teacher workload.

KL

Front-end Engineer

Klever

Mar 2022 - Nov 2022 (8 months)

At Klever, I developed front-end applications using React.js and JavaScript, collaborating closely with the back-end team to integrate services for a crypto wallet management application, ensuring smooth transaction processing.

UU

Intern

Universidade de Fortaleza - UNIFOR

Nov 2020 - Nov 2021 (1 year)

During my internship at UNIFOR, I developed front-end and back-end applications using React.js, React Native, and Node.js. I worked on various projects, including a diabetes monitoring app and an AR application for student recruitment.

Education

Degrees, certifications, and relevant coursework

Universidade de Fortaleza logoUF

Universidade de Fortaleza

Bachelor's Degree, Computer Science

2017 - 2021

Completed a Bachelor's degree in Computer Science, focusing on various aspects of software development including front-end and back-end technologies, as well as mobile application development.

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