10/14/2025 updated

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Full-stack developer | Next.js, Node.js, Php, Sql | 3+ years experience

Aveiro, Portugal
Portugal +1
info: Portugal, Venezuela
High School
Aveiro, Portugal
Portugal +1
info: Portugal, Venezuela
High School

Profile attachments

cv_rohyller.pdf

About me

Full-stack developer passionate about building web and mobile applications. Experienced with HTML, CSS, JavaScript, PHP, TypeScript, Next.js, Vue.js, Angular, and Ionic. I enjoy working in small to medium teams tackling challenging problems and contributing to mission-driven projects.

Design and TechnologyPython (Programming Language)Laravel
Full-Stack Web Development
Development of web applications using Python (frameworks), HTML, CSS, JavaScript, and integration with relational databases (PostgreSQL, MySQL, Oracle).
Mobile Development
Creation of cross-platform applications with Electron.js and Ionic.js, focusing on usability and scalability.
Security and Authentication
Implementation of secure authentication systems with biometrics and KYC processes, including seed phrase generation to enhance security.
Programming Languages
Proficient in C#, JavaScript, PHP, TypeScript, and Python for developing custom solutions.
Frameworks and Libraries
Experience with React.js, Next.js, Laravel, and Vue.js for building modern, responsive interfaces.
DevOps and Version Control
Use of GitHub, Docker, and Git version control practices in agile development environments.
Databases
Design and configuration of SQL databases, ensuring data integrity and performance for fast and secure operations.

Languages

EnglishFluentPortugueseFluentSpanishNative speaker

Project history

Desenvolvedor Mobile

IntechChain
Implementação de autenticação segura com biometria e processo KYC, incluindo geração de frase semente, aumentando a segurança e personalizando o onboarding para melhorar a retenção dos usuários. Desenvolvimento da estrutura inicial do frontend da aplicação móvel, focando em usabilidade e escalabilidade. Modelagem e configuração da base de dados garantindo integridade e desempenho para operações rápidas e seguras da carteira digital.

Desenvolvedor Freelancer

Trabalhos Digitais Chile
Atuação remota como freelancer para empresa de pastilhas, com foco na entrega de soluções personalizadas. Resolução de projetos acadêmicos e práticos enviados por estudantes universitários e clientes não técnicos. Gestão autônoma de tarefas, prazos e comunicação com a equipe da empresa e os clientes finais.

Certificates

Technical Training in Front-End Development

CADIF1

2024

Introduction to Programming

CADIF1

2022


Portfolio


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