Brayan Jules
Software Engineer
Santiago, Santiago Metropolitan Region, Chile
Summary
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RockstarBrayan Jules is a software engineer based in Santiago, Chile with 10 years of hands-on experience focused on backend systems and databases. He contributes to ambitious open-source projects like Limbo, a modern evolution of SQLite and an in-process OLTP DBMS, where he implemented scalar functions (abs, upper, lower, min, max), modified core execution components, and resolved locking and benchmarking issues. Comfortable working deep in engine internals, he blends practical systems programming with performance tuning to extend query capabilities. Brayan’s work shows a preference for low-level problem solving and real-world validation, applying changes across expression evaluation, virtual machine layers, and function integration. He brings steady, production-minded contributions to database engineering efforts and thrives on turning complex core logic into reliable features.
10 years of coding experience
Github Skills (12)
databases10
better-sqlite310
rust10
sqlite10
embedded-database10
sql10
database10
data-structure9
algorithm9
data-structures9
algorithms9
webassembly4
Programming languages (6)
Github contributions (5)
tursodatabase/limbo
Jul 2024 - Jul 2024
Limbo is a project to build the modern evolution of SQLite.
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:4 PRs, 6 comments in 20 days
Contributions summary:Brayan primarily contributed to the implementation of scalar functions and database features within the `limbo` project, which aims to evolve SQLite. They added functionalities like the `abs`, `upper`, `lower`, `min`, and `max` functions, extending the query capabilities. The user's work involved modifying core components such as `core/vdbe.rs`, `core/expr.rs` and `core/function.rs`, implementing logic and integrating these new functions into the project's execution engine. Furthermore, the user benchmarked and resolved database locks.
databaseembedded-databasesqlsqlite3webassembly
brayanjuls/brayanjuls.github.io
Apr 2021 - Jun 2023
Personal webpage
Contributions:1 PR, 17 pushes in 2 years 2 months
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