Oleksii Filonenko
Software Engineer at Syndicate
Braga, Portugal
Summary
🤩
Rockstar🎓
Top SchoolOleksii Filonenko is a software engineer with over a decade of professional experience and 6+ years focused on systems and backend engineering, currently working at Syndicate in Braga, Portugal. He specializes in Rust, contributing to notable projects like Fuel Labs’ fuels-rs SDK—implementing signing, recovery, and test automation—and has extended tooling and workflows in prominent open-source tooling such as Doom Emacs. His background spans blockchain infrastructure, backend systems, and earlier full-stack Ruby on Rails work, giving him a practical cross-stack perspective. Known for pragmatic, test-driven contributions and improving developer experience, he blends low-level crypto integrations with real-world deployment and automation. An interesting detail: he pairs core SDK development with hands-on examples and test suites, showing a commitment to both correctness and usability.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Taras Shevchenko National University of Kyiv
English
Stackoverflow
1,613reputation
147kreached
64answers
2questions
Github Skills (21)
testing10
magit10
emacs-lisp10
emacs10
cryptography10
spacemacs10
rust10
kotlin9
blockchain9
devil8
forge8
ls7
type-conversion6
babeljs6
byte6
Programming languages (33)
Github contributions (5)
FuelLabs/fuels-rs
May 2022 - Jan 2023
Fuel Network Rust SDK
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:370 reviews, 17 commits, 84 PRs in 8 months
Contributions summary:Oleksii contributed to the Fuel Network Rust SDK by implementing and refining core functionalities. Their work involved utilizing `fuel-crypto` for signing and recovery mechanisms within the `fuels-signers` module. Furthermore, they added examples and implemented test cases to validate the functionality of the SDK, including contract deployment, wallet management, and transaction signing processes. These contributions demonstrate a focus on building robust and reliable code.
rust
doomemacs/core
Nov 2018 - Oct 2019
An Emacs framework for the stubborn martian hacker
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:27 commits, 19 PRs, 92 comments in 10 months
Contributions summary:Oleksii primarily contributed to the configuration and extension of the Doom Emacs framework. Their work involved modifying Emacs Lisp code across various modules, including bindings, configuration, and package management. They introduced new functionalities like Kotlin module, and enhanced existing integrations, such as Magit and Forge, improving the user experience and expanding the framework's capabilities. Furthermore, they addressed specific issues by modifying existing code.
emacsvimemacs-lispemacs-configurationdoomemacs
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