SkilledUp Life
Lessa Apolinario
Location
Arapiraca, Brazil
Technology
Full Stack Software Developer based in Brazil, with a degree in Information Systems and professional experience working with Vue.js, React, Node.js, and Docker. I specialize in building scalable and high-impact web applications, with strong expertise in the TypeScript/JavaScript ecosystem, including Next.js, as well as backend development using NestJS, Express, and Prisma ORM.
I have experience designing and implementing clean, responsive user interfaces, developing secure RESTful APIs, and delivering production-ready applications using technologies such as PostgreSQL and Redis. I am also proficient in software testing and quality assurance, working with tools like Jest, Vitest, Cypress, and React Testing Library.
Additionally, I have experience in mobile development with React Native, Flutter, and Kotlin, contributing to end-to-end product development across multiple platforms. I consistently use Git and GitHub for version control and have collaborated effectively within team environments, following modern development practices.
Committed to continuous learning, I actively stay up to date with the evolving TypeScript ecosystem and modern technologies, always seeking new challenges and opportunities to grow while contributing to meaningful and impactful projects.
Skills
Beginner:
- Engineering - CI/CD
- Engineering - Swift
Intermediate:
- Data - SQL
- Engineering - DevOps
- Engineering - Java
- Engineering - Mobile
- Engineering - Python
- Engineering - React Native
- Engineering - Spring Boot
Advanced:
- Engineering - Backend
- Engineering - Database Design
- Engineering - Docker/K8s
- Engineering - Express.js
- Engineering - Frontend
- Engineering - Full Stack
- Engineering - JavaScript
- Engineering - Next.js
- Engineering - Node.js
- Engineering - Performance
- Engineering - React
- Engineering - TypeScript
- Engineering - Vue.js
Video Pitch
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About Me
Career Path and Aspirations
I have worked on the development of websites, landing pages, and full web systems, contributing across both frontend and backend. Throughout my career, I have been responsible for building modern and responsive user interfaces, designing and managing databases, and developing scalable, maintainable applications. I also have experience with infrastructure, including setting up and configuring a Keycloak instance on a server for authentication and authorization, as well as deploying and managing frontend and backend applications using Docker and Nginx, containerizing applications for production environments.
Professionally, I work as a Vue.js developer, and I also have solid experience with React in building modern web applications. Additionally, I worked as a volunteer Vue.js developer at SkilledUp Life, collaborating with remote international teams and contributing to shared projects using collaborative development practices.
My career path is driven by continuous learning and growth as a full stack developer. I aim to contribute to meaningful projects, take on increasingly complex challenges, and keep evolving in collaborative and high-impact environments.
Ideal Volunteer Opportunity
My ideal volunteer opportunity is one where I can actively contribute to remote international teams, collaborating on the development of real and impactful solutions. I am looking for an environment that values knowledge sharing, strong development practices, and clear communication among team members.
I am particularly interested in projects where I can apply my full stack development skills while continuing to grow technically, learn from other professionals, and take on new challenges. My goal is to become a better software engineer while making meaningful contributions to the team and the project.
Education
Instituto Federal de Alagoas
Information Systems
2020 Feb - 2023 Dec
During my degree, I gained knowledge in programming, object-oriented programming, design patterns, API development and consumption, databases, and software engineering. I also studied software development processes and worked with tools such as Docker, in addition to using different programming languages and frameworks applied to system development.
Experience
Frontend Developer
DIT
2023 Apr - 2026 Jun
Worked as a Frontend Developer on projects at DIT - IFAL, contributing to the development of scalable and maintainable web applications with a strong focus on code quality and best practices.
- Developed frontend applications using React, TypeScript, Ant Design, and SCSS.
- Built and maintained reusable components, following best practices for organization, readability, and scalability.
- Applied hexagonal architecture principles to decouple business logic and improve testability.
- Implemented routing and page structures, ensuring consistent and maintainable navigation.
- Wrote unit tests to validate features and ensure code quality.
- Contributed to a healthcare-related project, supporting the evolution of the application and delivery of new features.
- Collaborated with a multidisciplinary team, actively contributing to technical decisions.
Frontend Developer Volunteer
SkilledUp Life
2025 Sep - 2025 Nov
Worked as a Frontend Developer volunteer at SkilledUp Life, contributing to the evolution of core platform features and improving overall user experience.
- Developed and enhanced web interfaces using Vue.js, JavaScript, and Tailwind CSS, ensuring responsive and consistent UI design.
- Refactored and modularized components, reducing code complexity and improving maintainability and reusability.
- Implemented and maintained reusable components, including authentication flows (login/signup), navigation, and forms.
- Identified and fixed bugs, improved performance, and handled API integration adjustments.
- Built features for user dashboards, profile management, and application workflows.
- Collaborated with cross-functional teams to deliver scalable solutions, focusing on quality, stability, and timely delivery.
Full Stack Developer
Oops Telecom
2024 May - Present
Worked on the development and evolution of web and mobile applications, focusing on scalability, system architecture, and service integration.
- Developed and maintained Single Page Applications (SPAs) using Vue.js, including state management and frontend architecture design.
- Built and maintained REST APIs with Node.js and Express, implementing authentication, business logic, and Firebase integrations.
- Configured and managed Keycloak for centralized authentication and authorization, supporting over 400 users, deployed with Docker and Nginx.
- Developed mobile applications using Flutter, later migrating to native Kotlin (Android) and Swift (iOS) to improve stability and performance.
- Restructured an events platform, evolving the architecture to support multiple events in a scalable way.
- Implemented event-based payment systems, including webhooks, PIX, payment splitting, and batch management, integrating with Efí Bank.
- Containerized and managed applications in a Linux environment using Docker and Nginx.
- Migrated the database from Heroku to a self-hosted server, including setup of automated daily backups.
- Developed internal systems and landing pages for different business areas.
- Contributed to the development of a ticketing/protocol system with background tracking of field technicians’ locations.
Overview
- Level of Education: Diploma
- Years of Work Experience: 2 to 4 Years
- Website: https://www.lessaapolinario.com.br/
- Motivation: Get a better job
- Completed Opportunities: 0
- Member Since: 2026
Language Proficiency
- English: Fluent
- Portuguese: Native