Sérgio Netto
@sbnetto
I build full-stack platforms and data discovery tools with Java, React, and Python.
BrazilWhat I'm looking for
I'm part of the founding technical team at a high-growth e-sports startup, building its platform architecture and first releases end to end. I develop scalable Java 17 and Spring Boot backend services for real-time match data and high user concurrency.
I also build responsive React and TypeScript interfaces focused on usability and performance, while delivering critical features with Lean practices and improving code through SOLID, Clean Code, and Design Patterns.
At Tecgraf/PUC-Rio, I designed and deployed intelligent chatbots that automated querying large volumes of data. I built textual data-processing backend services and REST API integrations with PostgreSQL and SQL Server in a Scrum and Kanban environment.
For my undergraduate thesis, I built a Python data discovery tool that identifies primary and foreign keys in datasets with missing metadata. I've also supported PUC-Rio students in advanced data structures, graph theory, search optimization, and complexity analysis.
Experience
Work history, roles, and key accomplishments
Fullstack Developer
NewMode
Sep 2025 - Present (1 year)
Part of the founding technical team, contributing to the platform's architecture and first releases end to end. Built scalable backend with Java 17/Spring Boot and complex frontend interfaces with React/TypeScript.
Teaching Assistant: Advanced Data Structures
PUC-Rio
Mar 2025 - Dec 2025 (9 months)
Guided students through complex algorithms in C, including persistent data structures, advanced graph theory, and search optimization. Created support materials and solved asymptotic complexity problems.
Software Development Intern
Tecgraf/PUC-Rio
Jul 2023 - Jun 2024 (11 months)
Designed and deployed intelligent chatbots for automated querying of large data volumes, improving accuracy and speed of information access. Built backend services for textual data processing and RESTful API integration with PostgreSQL and SQL Server.
Education
Degrees, certifications, and relevant coursework
Pontifical Catholic University of Rio de Janeiro
Bachelor of Science, Computer Science
B.S. in Computer Science from PUC-Rio, with coursework in algorithms, data structures, databases, software engineering, and more.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
Job categories
Skills
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