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Location

Poland

Rate

$40  / per hour

Years of experience

7+

About

Motivated Professional Developer and Machine Learning Expert, trained in Java and Python. Highly effective at Big Data processing Exceptional interpersonal, communication and multitasking abilities.Throughout my career, I have worked on various projects involving the implementation of advanced technologies such as Apache Spark, Apache Flink, and TensorFlow to address complex challenges in fraud prevention, financial analysis, and real-time data processing.

Tech Stack

Spark, AWS, Big Data, Docker, Git, Java, Jenkins, Kubernetes, Python, Tensorflow

Experience

  • Developed machine learning algorithms for online fraud prevention within enterprise-grade software, operating in a cloud environment.
  • Designed Data Lakes and Big Data pipelines, leveraging technologies such as Python 3, Docker, AWS, Java 11, Kubernetes, and Apache Spark.
  • Designed and developed full-stack software solutions in Python, and visualized data using custom-made software and tools like Microsoft PowerBI.
  • Developed streaming applications using Apache Flink and deployed them via Mesos, DCOS, and Kubernetes.
  • Built real-time systems for behavioral analysis and integrated Machine Learning algorithms with existing stream processing systems.
  • Utilized technologies such as Apache Kafka, Apache Hadoop, Apache Mesos, H2O.ai, Kubernetes, and Apache Nifi for development and deployment.

Employment history

Senior Researcher, Buguroo Offensive Security November 2020 - since

-Developing machine learning algorithms in online fraud prevention.
-Developing enterprise grade software.
-Working in cloud environment.
-Designing Data Lakes and Big Data pipelines.
Technologies: Python 3, Docker, AWS, Java 11, Kubernetes, Apache Spark

Senior Data Science Expert, ING Bank Śląski February 2019 - October 2020

-Working with Big Data, in particular financial, using Apache Spark and Apache Hadoop.
-Performing advanced analysis with multiple types of data (text, images, etc.).
-Working on a daily basis with Apache Hive and Apache Hue.
-Designing and developing of Python based full-stack software.
-Visualization, both using custom-made software and using tools such as Microsoft PowerBI.
-Decomposing needs expressed by business owners to requirements and software design.
-Enforcing clean code rules along colleagues
Technologies: Python 3, Apache Spark, Apache Hadoop, Tensorflow, PowerBI, Apache Hive, Apache Hue

Senior Java Developer / Lead Machine Learning Expert, Centrum Bezpieczeństwa Cyfrowego S.A. July 2018 - February 2019

-Developing streaming applications using Apache Flink.
-Deploying streaming jobs via Mesos / DCOS / Kubernetes.
-Developing real time system for behavioural analysis.
-Integrating Machine Learning algorithms with existing stream processing system.
Technologies: Apache Flink, Apache Kafka, Apache Hadoop, Apache Mesos, DC/OS, H2O.ai, Google Protocol Buffers, Kubernetes, Apache Nifi

Project Manager / Scrum Master, Sharkbyte Systems July 2017 - July 2018

-Supervision over a group of programmers and testers (8 people in total).
-Implementation of Agile methodologies; team coaching.
-Constant contact with Project Owner.

Machine Learning Expert / Senior Java Developer, Sharkbyte Systems April 2016 - July 2017

-Design, implementation and deployment of applications for image analysis for the recognition of license plates.
-Parameter tuning for poor lighting conditions, noise in data and uncertain knowledge.
-Creation and implementation of algorithms to improve the quality of solutions thanks to grouping algorithms and the data mining.
-Creating a website for streaming text analysis from LPR cameras (License Plate Recognition), integration with existing systems.
-Real time data analysis, developing streaming algorithms.
-Technologies: Java 8, Python 3, Spring Boot, Akka, AWS, Ansible, Jenkins, Maven, Atlassian, OpenCV, TensorFlow, Git, Bitbucket, Couchbase NoSQL, JSON, XML.

Assistant professor, Institute of Computer Science, Faculty of Computer Science and Materials Science, University of Silesia in Katowice October 2014 - September 2018

Scientific specialization:
-Machine learning, grouping algorithms, incomplete and uncertain knowledge.
-Data analysis.

-Java programming, system design.

-Automatic and manual testing of systems.

Java developer, StorkJet.pl July 2014 - July 2016

-Research and development of software for analysis of high-volume aviation data.
-Batch and streaming data processing.
-Creating and designing error compensation algorithms.
-Data visualization.

Assistant Teacher, Institute of Computer Science, Faculty of Computer Science and Materials Science, University of Silesia in Katowice October 2010 - September 2014

Education history

Institute of Computer Science, Faculty of Computer Science and Materials Science, University of Silesia October 2010 - May 2014 PhD, Computer Science
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