João Huguenin is a senior software engineer based in Rio de Janeiro with six years of experience building scalable back-end systems, primarily in Java and Spring. He has a strong track record in high-performance data tooling, having contributed to Apache Arrow/Gandiva—adding SQL IN support for multiple types and implementing ILIKE—plus work on Flight SQL ODBC/JDBC drivers and integrated C++ test suites. João has improved performance and expanded SQL function support in memory-heavy systems, and his background includes microservices, CI/CD and messaging (Jenkins, Sonar, RabbitMQ). Comfortable across Java and native C++ stacks, he brings practical experience optimizing compilation and runtime for large-scale analytics. Colleagues value his blend of pragmatic engineering and open-source impact, demonstrated by production releases and regression pipelines that increased stability.
6 years of coding experience
4 years of employment as a software developer
Bacharelado Ciência da Computação, Bacharelado Ciência da Computação at Universidade Federal Fluminense
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:
Back-end Developer
Contributions:56 reviews, 8 commits, 20 PRs in 9 months
Contributions summary:João primarily focused on implementing and extending IN expressions, a SQL feature, for various data types within the Gandiva engine of the Apache Arrow project. Their work included adding support for decimal, float, and double types, enhancing the library's functionality for complex data analysis. The commits also involved optimizing existing code and fixing build issues. Additionally, the user implemented the ILIKE function, expanding Gandiva's string matching capabilities.
Contributions:20 reviews, 1 PR, 21 comments in 2 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
João Huguenin - Engenheiro De Software Sênior at Zup Innovation