Lucas Ontivero
Freelance Software Developer & Consultant at Globant
Cordoba, Córdoba, Argentina
Summary
🤩
Rockstar🎓
Top SchoolLucas Ontivero is a senior software architect and freelance developer with 13+ years building robust systems across C/C++ and Microsoft .NET ecosystems. He has led large teams and technical direction at Globant and managed platform and public-safety projects for clients like BSI and Motorola, combining strong architecture skills with practical delivery. As Technical Manager at Tarjeta Naranja and a long-term freelancer, he blends hands-on engineering with product-focused consulting. In recent years he’s pivoted to Bitcoin, blockchain and crypto development, contributing backend fixes and improvements to high-profile open-source projects such as NBitcoin and WalletWasabi. Known for rigorous code quality, refactoring, and compatibility work, he brings a mix of low-level protocol understanding and enterprise system design. Based in Córdoba, Argentina, he pairs deep technical knowledge with a talent for translating complex requirements into maintainable solutions.
13 years of coding experience
9 years of employment as a software developer
Universidad Tecnológica Nacional
Stackoverflow
5,255reputation
545kreached
122answers
37questions
extjs
top-5%
model-view-controller
top-5%
Github Skills (14)
unit-testing10
csharp10
blockchain10
dotnet-core10
netframework10
webapi9
bitcoins9
bitcoin9
model-view-controller9
extjs9
cryptography8
asp-net-mvc6
javascript6
linq6
Programming languages (23)
Github contributions (5)
WalletWasabi/WalletWasabi
Feb 2018 - Jan 2023
Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 1976 reviews, 2024 commits in 5 years
Contributions summary:Lucas's contributions primarily involved enhancing the error messages and implementing new price providers for the Bitcoin wallet. They also refactored code by moving classes to their own files and fixing namespaces. In addition, the user added unit tests for external API services and made code quality improvements, including enabling nullable types.
bitcoin-walletlinuxwindowsprivacybitcoin
MetacoSA/NBitcoin
May 2014 - Oct 2022
Comprehensive Bitcoin library for the .NET framework.
Role in this project:Back-end Developer
Back-end DeveloperContributions:96 reviews, 167 commits, 145 PRs in 8 years 6 months
Contributions summary:Lucas primarily focused on implementing and refining the core logic of the Bitcoin library. Their contributions involved refactoring and fixing issues related to number parsing in Money.cs and adding overflow checks. They also worked on compatibility issues in the Mono.Nat library and refined the code to support the `WANPPPConnection` service.
bitcoindotnet
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