Marco De Almeida Inácio
Systems Engineer at Cloudflare
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolMarco De Almeida Inácio is a systems engineer with 13 years of experience blending data science, backend engineering and applied mathematics, currently working at Cloudflare in London. He holds a PhD in Statistics from the University of São Paulo and has built production data platforms, APIs and CI/CD workflows while also publishing Python data-science tutorials and contributing significant numerical and autodiff functionality to the widely used Stan ecosystem. His background spans research (cardiac MRI with graph neural nets), industrial data engineering (scraping, MongoDB/Postgres ops, Rust Axum services) and teaching cloud-native tooling, giving him a rare mix of academic rigor and production pragmatism. Notably, he has contributed core math functions and distribution implementations to stan-dev projects, demonstrating deep C++ and statistical programming expertise beyond typical data engineering roles.
13 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy - PhD Statistics, Doctor of Philosophy - PhD Statistics at USP - Universidade de São Paulo
English, French, Portuguese, Ukrainian, Hungarian
Github Skills (28)
unit-testing10
c-language10
python10
mathematica10
package-development10
mathematics10
math10
stat10
distributions10
statistic10
maths10
math-functions10
automatic-differentiation10
mathlib10
stan10
Programming languages (10)
Github contributions (5)
stan-dev/stan
Apr 2013 - Sep 2017
Stan development repository. The master branch contains the current release. The develop branch contains the latest stable development. See the Developer Process Wiki for details.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:218 commits, 8 PRs, 57 pushes in 4 years 5 months
Contributions summary:Marco contributed to the core functionality of the Stan development repository by introducing new mathematical functions and enhancing existing ones. Their commits involved implementing sort and rank functions for matrices, including versions for automatic differentiation, demonstrating a focus on improving the mathematical capabilities of the library. These additions, along with unit tests, improved the functionalities of the Stan library, providing users with new tools for statistical modeling and Bayesian inference. The user was also involved in integrating the new functions into the project's code base and documentation.
bayesian-inferencestanmasterbayesian-statisticsdetails
stan-dev/math
Mar 2014 - Feb 2018
The Stan Math Library is a C++ template library for automatic differentiation of any order using forward, reverse, and mixed modes. It includes a range of built-in functions for probabilistic modeling, linear algebra, and equation solving.
Role in this project:Back-end Developer & Applied Mathematics
Back-end Developer & Applied MathematicsContributions:131 commits, 13 PRs, 74 pushes in 4 years
Contributions summary:Marco's primary contribution focuses on the enhancement and extension of the Stan Math Library. Their work involved the implementation of new mathematical functions, specifically the normal distribution with sufficient statistics, as well as the modification of existing functions like `max_size` and error handling routines to accept more arguments. Furthermore, the user was responsible for updating existing tests and developing new syntax tests to validate the functionality and ensure code quality of the added distributions.
automatic-differentiationprobabilistic-modelingsundialsmodestemplate-library
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