Lukasz Jastrzebski
Vice President Engineering at Goldman Sachs
Jersey City, New Jersey, United States
Summary
🤩
Rockstar🎓
Top SchoolLukasz Jastrzebski is a Vice President of Engineering with 12+ years of hands-on experience and a 15-year engineering background in algorithms, machine learning, databases and backend services, currently leading a machine learning platform at Goldman Sachs. He has a proven track record building production-grade data pipelines, real-time charging systems, mobile API platforms and ML-driven anomaly detection and recommender systems across Verizon Media, Disney and Nokia. Comfortable both as an individual contributor and leader, he blends deep R&D experience — from ETL and feature engineering to model deployment — with operational savvy in Hadoop/Spark ecosystems. An active open-source contributor, he has improved robustness in projects like Alluxio and maintained critical DevOps tooling for Vagrant environments. Known for tackling complex, production-scale problems, he continuously seeks better ways to develop and deliver reliable software.
12 years of coding experience
15 years of employment as a software developer
Master of Science (M.Sc.), Computer Software Engineering, excellent, Master of Science (M.Sc.), Computer Software Engineering, excellent at Wroclaw University of Technology
English, German
Github Skills (17)
filesystem10
hosts-file10
alluxio10
hosts10
java10
javas10
orchestrate10
junit10
orchestration-framework10
development-environment10
jtest10
orchestration10
data-analysis10
hadoop9
ruby9
Programming languages (10)
Github contributions (5)
devopsgroup-io/vagrant-hostmanager
Dec 2013 - Jan 2014
:pencil: A Vagrant plugin that manages hosts files within a multi-machine environment.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:6 commits in 26 days
Contributions summary:Lukasz focused on maintaining and improving the `vagrant-hostmanager` plugin, specifically targeting issues related to host file management within the Vagrant environment. They addressed bugs associated with custom IP resolvers and duplicate entries in the `/etc/hosts` file. Furthermore, the user integrated merging of branches and other tasks related to maintaining the core functionality of the plugin's interaction with the host file configurations within a Vagrant environment.
pencilvagrantvagrant-pluginhostsenvironment-machine
Alluxio/alluxio
Feb 2014 - Mar 2014
Alluxio, data orchestration for analytics and machine learning in the cloud
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits in 1 month
Contributions summary:Lukasz focused on improving the functionality and stability of the Alluxio project. Their contributions include fixing path issues within the file system shell commands and enhancing the initialization process for the Hadoop FileSystem implementation to interface with Alluxio. The user also added the functionality to configure max limits for columns and metadata within the table structure, improving the robustness of the system. Several commits focused on test case enhancements and fixes to ensure data integrity and proper type handling.
data-analysisvirtual-distributed-filesystemanalyticsorchestrationdata-science
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