Mateus Karl
@mateuskarl
I build web and mobile solutions with Java, React, SQL, and user-friendly interfaces.
BrazilWhat I'm looking for
I'm currently building web and mobile solutions as a software development technician at Neki, following a hands-on Full-Stack Software Residency at SERRATEC/FIRJAN SENAI.
During the residency, I developed full-stack projects with Java, Spring Boot, React, and PostgreSQL; built and documented REST APIs with JWT authentication; and created responsive interfaces and React Native mobile apps.
I enjoy solving real-world problems through clean, efficient code and user-friendly interfaces. I'm continuously developing my skills while collaborating in agile Scrum teams using Git and GitLab.
Experience
Work history, roles, and key accomplishments
Worked as Técnico em desenvolvimento de softwares at Neki.
Worked as Biomédico Imagenologista at Unimed Grande Florianópolis.
Worked as Biomédico at Clínica de Medicina Nuclear Villela Pedras.
Worked as Consultor de negócios at Datamed.
Estágio no laboratório de controle de qualidade físico-quimica e microbiológica de efluentes e águas residências
Estagiário na pesquisa de avaliação de citocinas pró- e anti-inflamatórias em lesões granulomatosas de pacientes com TB-IRIS
Education
Degrees, certifications, and relevant coursework
SERRATEC - Parque Tecnológico da Região Serrana RJ
Credencial
Issued Aug 2026
BBI - Business Behavior Institute
Master of Business Administration - MBA, Gestão em saúde
2023 - 2025
Serratec
Full-Stack Developer (Software Residency), Software e Aplicativos de Mídia
2025 - 2025
- Developed full-stack projects using Java (Spring Boot), React, and PostgreSQL
- Built and documented REST APIs with token-based authentication (JWT)
- Created responsive web interfaces and mobile apps with React Native
- Worked with Git/GitLab in agile teams (Scrum)
SERRATEC - Parque Tecnológico da Região Serrana RJ
Residência em TIC/Software - Desenvolvedor Fullstack
Issued Jul 2025
Centro Universitário IBMR
Pós graduação, Imagenologia
2020 - 2020
Universidade Católica de Petrópolis
Bacharelado, Biomedicina
2014 - 2019
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
Job categories
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