Karol Gongola
Senior ML Engineer
Krakow
Summary
Detail-oriented team player with robust organizational skills, adept at managing multiple projects simultaneously with a high degree of accuracy. Demonstrated ability to contribute to design creation and facilitate agile implementation processes.
Overview
7
7
years of professional experience
3
3
Certifications
2
2
Languages
Work History
Senior Data Engineer
VirtusLab
03.2020 - Current
- Built Big Data workflows using Python, Airflow, Spark, Hadoop, Oozie, Linux, Splunk
- Improved Spark job performance by optimizing Spark code and configuration
- Prepared Airflow deployment process, best practices and shared libraries for multiple teams
- Migrated Oozie workflows to Airflow DAGs. Designed and implemented git-ops deployment to let other teams to reuse it
- Supported migration to Spark on Kubernetes and proposed improvements in this area (e.g. using Volcano and Rook)
- Moved Jenkins pipelines to GitHub Actions. Priority was to share and reuse as much as possible common logic across different Data Science teams
- Designed and implemented monitoring stuff with splunk (dashboards, alerts) to deliver maximum visibility of issues and missed SLA
- Supported Data Scientists with production deployment
- Trained and tuned Machine Learning models like RFC (from scikit-learn and pyspark.ml)
Software Developer
Samsung Electronics
05.2018 - 02.2020
- Created Python scripts, microservices and unit tests for application related to OpenStack
- Improved experience with using following tools: PyCharm, VirtualBox, GIT, Jira , Gerrit (code review), Jenkins, Confluence (design documents), Ansible, MySQL, Docker
- Corrected, modified and upgraded software to improve performance.
Software Developer
Comarch S.A.
07.2017 - 04.2018
- Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
- Prepared web application (Reporting Portal) for reporting test results using: C#, MVC, HTML, CSS, JavaScript, JQuery and MySQL (designed, implemented and maintained of SQL database)
- Collaborated in Scrum system with Jira
- Used GIT as version control system
Education
Master of Science - Computer Science
AGH – University of Science And Technology
Kraków 04.2001 -
Bachelor of Science - Electronics And Telecommunications
AGH – University of Science And Technology
Kraków 04.2001 -
Skills
Python
Spark
Airflow
Kubernetes
Docker
SQL
GCP
Machine Learning
GitHub Actions
Linux
Performance Tuning
Data Pipeline Design
Data Quality Assurance
Git Version Control
Team Collaboration
Reliability
Problem-Solving
Task Prioritization
Certification
Google Cloud Certified Professional Data Engineer
Timeline
CKAD: Certified Kubernetes Application Developer
01-2024
Google Cloud Certified Professional Data Engineer
11-2023
Databricks Certified Data Engineer Professional
11-2023
Senior Data Engineer
VirtusLab
03.2020 - Current
Software Developer
Samsung Electronics
05.2018 - 02.2020
Software Developer
Comarch S.A.
07.2017 - 04.2018
Master of Science - Computer Science
AGH – University of Science And Technology
04.2001 -
Bachelor of Science - Electronics And Telecommunications
AGH – University of Science And Technology
04.2001 -