Nicolas Modrzyk
Consultant at Karabiner Software
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolNicolas Modrzyk is a seasoned technology executive and consultant with 17 years of experience designing cloud-native architectures, scaling engineering organizations, and delivering mission-critical systems across Asia, Europe, and the US. He has led global teams of up to 300 engineers, driven multi-million-dollar AWS migrations supporting high-throughput financial platforms, and introduced AI/ML and blockchain solutions into production. As CTO and founder-level operator, he blends hands-on engineering (Go, Java, Python, Clojure) with strategic C-suite engagement and pre-sales for complex FinTech and big-data programs. An active open-source contributor, he improved robustness in Apache MXNet’s Clojure bindings by adding specs, tests, and integration checks—evidence of his attention to correctness in ML tooling. Multilingual and Japan-based, he uniquely combines cross-cultural leadership with deep expertise in LLM fine-tuning, Kubernetes/Terraform infrastructure, and enterprise-grade smart contract work.
17 years of coding experience
9 years of employment as a software developer
Master, Master at ESIALGabriel Faure High SchoolMaster, Master at Dublin City University
english (master's degree level), french (mother tongue), japanese (jplt1), Chinese
Stackoverflow
14,109reputation
2.0mreached
250answers
26questions
html
top-1%
groovy
top-5%
jquery
top-5%
clojure
top-5%
java
top-5%
xpath
top-5%
Github Skills (29)
unit-testing10
fonts10
clojure-cli10
testing10
css10
mxnet10
clojure10
html10
integration-testing10
java9
jquery9
grails9
groovy9
pdf9
pdfbox9
Programming languages (13)
Github contributions (5)
apache/mxnet
Dec 2018 - Jan 2019
Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:5 commits, 3 PRs, 17 comments in 1 month
Contributions summary:Nicolas contributed to the Apache MXNet Clojure package by adding specification validations to optimizer and random namespaces, and also implemented validations in test files. The user's work focused on ensuring the correctness and robustness of the library's Clojure interface, specifically related to optimizers and random number generation. Their contributions included adding specs and unit tests, ensuring that the project is well tested. Furthermore, they focused on turning examples into integration tests, improving the testing coverage.
dataflowdeep-learninggojavascriptjulia
hellonico/origami
Nov 2017 - Aug 2021
Lowest barrier of entry to Image Processing, Computer Vision and Neural Networks on the JavaVM
Contributions:299 commits, 2 PRs, 471 pushes in 3 years 9 months
computer-visionimage-processingneural-networkclojurekotlin
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.