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Henrique Silvério

@henriquesilvrio

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Dedicated Frontend Software Engineer with a passion for impactful solutions.

Brazil

Message

What I'm looking for

I seek a collaborative environment that values innovation and growth opportunities.

Frontend Engineer with 4+ years of experience, specializing in scalable architectures, performance optimization and user

experience enhancement. Currently contributing to Claro Brazil’s Econn platform, responsible over 50% of the company’s online

sales revenue. Led the development of a new streaming service sales flow, integrating a credit card payment feature with interactive

components and data validation, increasing conversion rates by 70%.

Expert in React.js, Next.js, TypeScript, and state management (Redux, Zustand), with a strong focus on performance optimization

(lazy loading, code-splitting, caching), scalable frontend and reusable Design System components. Experienced in automated

testing (Cypress, Jest) and collaborating cross-functionally with product, design and engineering teams.

Passionate about building high-performance, maintainable and user-friendly applications that drive business impact.

Experience

Work history, roles, and key accomplishments

Current

Mid Frontend Engineer

Current

Claro Brasil

Jun 2022 - Present (2 years 11 months)

Focused on problem-solving and developing new features for Econn, a platform responsible for 53% of the company’s revenue through online sales. Spearheaded the development of a new journey for selling streaming services, introducing a credit card payment functionality which improved user experience and increased the purchase completion rate by 70%.

Next.js JavaScript TypeScript Cypress Agile Scrum Design Systems User Experience Data Validation

Full-stack Developer Junior

Cropland

Jan 2022 - Jul 2022 (6 months)

Developed an agricultural product sales platform to streamline inventory management, track seller regions, and map client locations using JavaScript, Node.js, Sequelize, React, HTML, CSS, PostgreSQL, and Git/GitHub. The project enhanced operational efficiency and provided sellers with better tools to manage territories and customers.

JavaScript Node Sequelize React HTML CSS PostgreSQL Git GitHub Inventory Management

Frontend Engineer

ASC Brazil

May 2022 - Jun 2022 (1 month)

Specialized in React.js development, focusing on designing and developing robust, scalable chat applications. Created seamless user interfaces, optimized performance, and implemented real-time features to enhance communication experiences.

React User Interface Design Performance Optimization JavaScript Agile Communication Software Development

Education

Degrees, certifications, and relevant coursework

Faculdade Pitagoras

Bacharelado, Software Engineering

2021 - 2025

The Software Engineering course focuses on computing towards the specification, development, maintenance, and creation of software with an emphasis on organization, productivity, and quality.