Hermino Freitas

Frontend Developer

Hello! I'm a frontend developer passionate about creating beautiful, responsive, and accessible web experiences. I specialize in modern JavaScript frameworks and have a keen eye for design. In this portfolio, you'll find some of my projects, skills, and experiences that showcase my dedication to crafting exceptional user interfaces.

About me

Frontend Developer with over 5+ years of experience building modern, responsive web applications. Specialized in React.js, TypeScript, and Angular, with a strong foundation in UI/UX principles. Passionate about creating accessible, performant interfaces using the latest web technologies and best practices. Experienced in state management, component architecture, and responsive design.

2022

Promoted to Mid-Developer at INDT

2022

I completed my degree in Computer Science

2022

Junior Developer at INDT

2020

Junior Systems Analyst at ITN

Projects

Automatic identification of fruits on scales

ITN

I developed the frontend interface for a web application that automatically identifies fruit types on supermarket scales. Built an intuitive Angular UI with Material Design, creating responsive components for real-time image display and classification results.

Angular Node.js Material Design Spring Boot PostgreSQL Python

Performance Evaluation System

ITN

I built the frontend architecture for an employee performance evaluation system using Angular and Material Design. Created complex form workflows, data visualization dashboards, and responsive layouts to enhance the user experience for HR processes.

Angular Node.js Material Design C# ASP.NET SQLServe

Service Order Management System

ITN

I developed the Angular frontend for a service order management system in a bicycle manufacturing environment. Implemented dynamic forms, real-time status tracking interfaces, and optimized component architecture for production and maintenance workflows.

Angular Node.js Material Design C# ASP.NET SQLServe

System Based on Responsible Business Alliance (RBA) Patterns

ITN

The Responsible Business Alliance (RBA) is a code of conduct that companies can adopt and require from their suppliers. I built the frontend interface using Angular to create an intuitive platform for evaluating and certifying supplier compliance. Designed complex multi-step forms and interactive dashboards for assessment workflows.

Angular Node.js Material Design C# ASP.NET SQLServe

Automatic license plate identification

ITN

I developed the Angular frontend for an automated license plate recognition system. Created real-time monitoring interfaces, implemented image display components with Material Design, and built responsive dashboards for security and access control management.

Angular Node.js Material Design Spring Boot PostgreSQL Python

Experiences

Developer II

INDT - Institute for Technological Development
02/2022 - today

I joined the company as a junior frontend developer and quickly established myself as the lead frontend developer for web platforms. When demand arose for a new web application, I took ownership of the entire frontend architecture using React and TypeScript. I designed and implemented responsive, accessible interfaces with modern UI/UX best practices. After 9 months, I received a promotion due to high quality deliveries and exceptional frontend expertise.

Lead frontend developer on collaborative project with Motorola.
Built responsive, accessible interfaces using React and TypeScript.
Developed web application UI/UX for natural language processing tools.
Expertise in modern frontend architecture, state management, and UI/UX design.
React TypeScript JavaScript HTML5 CSS3 UI/UX Design Responsive Design Accessibility

Junior Systems Development Analyst

Northern Institute of Technology and Business - ITN
08/2020 - 02/2022

I worked as frontend developer on 5 projects, all using Angular 8+ with Material Design. I took ownership of the entire frontend architecture and UI/UX implementation. Despite working with legacy codebases and limited documentation, I successfully delivered modern, responsive interfaces with excellent user experience. Daily collaboration with clients helped shape intuitive designs that met business requirements.

Built responsive frontend interfaces for computer vision applications.
Led frontend development on 6 projects using Angular and Material Design.
Angular TypeScript JavaScript Material Design HTML5 CSS3 Responsive Design UI/UX

Skills

Soft skills

Collaboration & teamwork Research & analysis Critical Thinking & Problem Solving Adaptability Time Management & Organization Proactivity Continuous Learning

Hard skills

Frontend Development React Angular TypeScript JavaScript (ES6+) HTML5 CSS3/SCSS Responsive Design Material Design UI/UX Design State Management (Redux, Context API) Accessibility (WCAG) Performance Optimization Git RESTful APIs Webpack/Vite

Contacts