lucascastroa99

Full Stack Developer | React, Vue & Angular | Node.Js, Python & .Net | Delivering Scalable And High Impact Solutions

Full Stack Developer with 4+ years of experience building robust web applications using React, Vue, and Angular. Proficient in Node.js, Python, and .NET. Hands-on experience in end-to-end project execution, including requirements gathering, performance testing, CI/CD pipelines, proof of concept, and UX/UI optimization. Delivers high-impact solutions focused on performance and client value.


Experience: 4 years

Yearly salary: $22,000

Hourly rate: $15

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Mid-level Front-end Developer
Marttech - Software Development
2024 - 2025
Gathered technical requirements from clients and documented system impacts. Prioritized tasks and organized sprints in Azure DevOps. Implemented user interfaces in React.js following usability guidelines. Developed reusable components with Material UI. Optimized MapBox polygon and layer implementations, reducing load time by 80% and memory usage from 6GB to 2GB. Refactored parts of the application architecture, addressing performance and usability issues.
Mid-level Development Analyst
Ibrowse Consultoria e Informática
2023 - 2024
Supported internal and external teams with technical demands. Developed and fixed features in Angular applications. Defined architecture and design patterns for the application and new modules. Configured CI/CD pipelines and managed GitLab repositories. Created unit tests using Karma with 77% overall code coverage. Reviewed code and tracked deliveries in ClickUp, ensuring compliance with internal standards.
Angular Front-end Web Developer
INOVA – IFAM Innovation Hub
2023 - 2023
Refactored outdated Angular pages and components. Created new screens and workflows to expand the application. Fixed critical bugs reported by end users. Mentored three students on technical activities, supervising deliveries and professional development.
Information Technology Analyst
ClearSale
2022 - 2022
Created interfaces and components in Vue.js. Maintained and enhanced features in C# and jQuery. Modeled and managed data in SQL Server. Documented application workflows for development teams. Analyzed production errors and reported moderate failures. Developed unit tests to ensure code quality.
Angular Front-end Web Developer
INOVA – IFAM Innovation Hub
2021 - 2022
Developed screens and components in Angular. Improved application design and layout with Angular Material. Analyzed visual errors and corrected UI/UX inconsistencies. Collaborated with back-end team to align integrations.
Vue Front-end Web Developer
Beeapp
2021 - 2021
Created modular Vue.js components using Vuetify. Adapted pages for mobile devices, ensuring responsiveness. Migrated legacy PHP systems to Vue.js. Developed SSR with Nuxt, increasing Lighthouse SEO score from 65 to 80. Modeled front-end architecture for a new project. Configured UI libraries to standardize the application.
Maintenance Laboratory Technician
Instituto Federal de Educação, Ciência e Tecnologia do Amazonas – IFAM
2018 - 2018
Performed maintenance on computers, notebooks, and servers. Configured networks and operating systems (Windows/Linux). Installed software and services to support academic activities. Assisted in preparing practical classes in the laboratory. Organized and maintained IT infrastructure. Installed and configured software and services on computers.

Skills

angular
ansible
bootstrap
c-sharp
docker
flutter
git
javascript
jquery
mongo
nestjs
nextjs
nginx
nosql
nuxtjs
postgres
python
rabbitmq
react
react-native
sql
tailwind
typescript
vue
front-end
english
portuguese