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Devroast
Full stack SaaS where you submit your code and get AI-powered feedback (either constructive or sarcastic).
Next.jsReactTypeScripttRPCPostgreSQLTailwind
Building and delivering robust and scalable end-to-end solutions with modern web technologies. Five years turning ideas into software that scales.
$ whoami
thiago.viana.de.carvalho
$ cat profile.json
{
"role": "Full Stack Software Engineer",
"location": "João Pessoa, Brazil",
"focus": ["React", "Next.js", "Java", "Spring Boot", "Node.js"...],
"status": "available"
}
$ git log --oneline -3
fetching...
$ ▌
I'm a full-stack engineer with experience designing and modernizing enterprise applications with modern web technologies. I have strong background in frontend development and architecture, REST API design and integration, and performance optimization for high-volume systems.
One of my key achievements was contributing to the migration of a legacy monolithic Visual Basic tax compliance application to a modern microservices architecture using Java, Spring Boot, and React. This involved designing and implementing new RESTful APIs, optimizing database queries and procedures, and improving the frontend user experience, resulting in a 40% increase in processing efficiency and a 60% improvement in user satisfaction scores based on post-migration surveys.
Collaboration, clear communication, and adaptability are at the core of how I work. I also mentored junior developers, helping them navigate technical challenges and grow into confident, independent contributors, because great teams build better products.
Full stack SaaS where you submit your code and get AI-powered feedback (either constructive or sarcastic).
Desktop ear training application that helps musicians develop their auditory perception through gamified exercises.
A Pokédex application that consumes PokéAPI to display information about Pokémon species, types, and abilities.
Delivered backend services and APIs that power corporate tax compliance modules of Synchro4Me, a modern consumer-facing tax compliance web application built with React and Spring Boot, impacting over 1600 corporate clients across Brazil.
Improved SAP data processing performance and led frontend development of the a frontend module responsible to track SAP integrations across all workflow stages, improving system usability, data accuracy, and reducing errors by 30%.
Migrated modules of a legacy tax compliance application from monolithic Visual Basic architecture to modern microservices using Java, Spring Boot, and React. Designed and implemented new RESTful APIs, as well as building a Spring Boot library to handle high-volume Excel data processing, improving scalability and system efficiency.
PB Hub Soluções (now Cuia Tech) is a Brazilian digital solutions startup located in João Pessoa. In this role, I built web applications and collaborated with cross-functional teams to ensure performance and usability.
Open to full-time roles, contract work, and interesting side projects.