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Location

Poland

Rate

$50  / per hour

Years of experience

10+

About

Completed MS in Computer Science and Artificial Intelligence at the University of Warsaw with high grades. Founded two web startups securing USD 1M in VC and angel investors' funding. Established a machine-learning consultancy company. Proficient in various programming languages and skilled in architecture design, dev-ops, continuous integration and deployment, big data environments, and artificial intelligence. Possesses strong algorithmic, mathematical, and team-working abilities. Aims for technological excellence, seeks to broaden business skills, and strives to implement solutions on a large scale to address real-world problems.

Tech Stack

Full Stack, AWS, C, C#, C++, Django, Docker, Git, Java, JavaScript, Python, React, Scala, Spark, Vue

Experience

  • Led the research of over 100 machine learning models for cyber threats, covering various threat types such as compromised accounts, infected hosts, malware proliferation, insider network attacks, anomalies in system behavior, and phishing.
  • Set up Hadoop ecosystem clusters based on Cloudera distribution, configuring and adjusting tools like Spark, StreamSets, Kafka, HBase, Hive, and others.
  • Designed an application consisting of 10 microservices supporting 17 factories, using JavaScript (Node.js, React), Cassandra, Redis, RabbitMQ, Docker, AWS, and GitLab CI.
  • Developed a pipeline processing data collection from 1200 machines per minute and built visualization tools for correlating sensory data from multiple sources.
  • Developed website frontend, backend, and decision engine microservices using JavaScript (Node.js, Vue.js), Clojure, PostgreSQL, Docker, AWS, and GitLab CI.
  • Created solutions for collecting and preprocessing insurance data from various sources and designed end-to-end machine learning pipelines for recommending insurance product prices.

Employment history

Senior Data Scientist (Expert), Atos February 2018 - since

Leading 8-person international Data Scientist team in 30-person project aiming for transformation of Cyber Security data analysis processes to detect threats in a global scale. I am currently holding an Atos Expert title (only 500 people out of 100 employees).

Accomplishments:
-Designed architecture for up-to-date data collection and ingestion from thousands of data sources (over 1 petabyte of data analyzed monthly).
-Designed and lead the research of over 100 machine learning models for cyber threats including corrupted / compromised accounts, infected hosts, virus and malware proliferation, insider network attacks using backdoors, anomalies in system users’ and machines’ behavior, mailing phinshing.
-Performed several setups for Hadoop ecosystem clusters based on Cloudera distribution together with cofiguration and code adjustment for tools like: Spark (PySpark), StreamSets, Kafka, HBase, Hive, Hue, Impala, ZooKeeper and Oozie.
-Researching GPU and distributed frameworks for high-speed model inference. Technologies used: Spark 3.0, Tensorflow, Dask.

Full Stack Software Developer (Lead), Trndz.ai October 2017 — October 2018

Developed website and technology stack for collecting and analysis of real-time sensory data for an innovative Norway start-up.

Accomplishments:
-Designed from scratch the entire application consisting of 10 microservices, which supported 17 factories.
-Technology stack includes JavaScript (Node.js, React), Cassandra, Redis, RabbitMQ, Docker, AWS, GitLab CI. Designed a pipeline which processes data collection from 1200 machines every minute.
-Built visualization tools to correlate sensory data from various additional sources such as weather data, sensor web controllers, and manual input streams.
-Designed an API that allows clients to download and modify data from their sensors. Built several machine learning models for anomaly alerting using SMS and email notifications.

Full Stack Software Developer, Arowana December 2016 — December 2017

One of the first programmers in a newly founded start-up providing artificial intelligence solutions for insurance industry.

Accomplishments:
-Created website frontend, backend, and decision engine microservices using JavaScript (Node.js, Vue.js), Clojure, PostgreSQL, Docker, AWS, GitLab CI.
-Developed several solutions for collecting and preprocessing insurance data from multiple sources. Designed collection and pipeline processing of data for users visiting the site.
-Designed end-to-end machine learning pipeline for recommending price of insurance products.

Software Engineer, Sigmoidal August 2017 — August 2017

Helped a 4 person team in creating a solution for massive processing of large companies dataset for US financial company client.

Accomplishments:
-Build a tool for preprocessing almost 250 GB of data and uploading it to Amazon Web Services infrastructure.
-Designed Elasticsearch database and optimized for quick searching and query scoring.

Full Stack Software Developer, Brainly January 2012 — March 2017

Accomplishments:
-Designed backend and frontend architecture and managed their implementation.
-Technology stack includes Python (Django), JavaScript (React), MySQL, Elasticsearch, Docker, GitLab. Implemented several techniques for recommending and matching job offers with users using various machine learning techniques.
-Designed tools for analyzing users’ behavior and segmenting them. Supervised work on several tools such as self-designed systems for sending emails, payment systems, CV generators, and employee search engines.
-First technical person in the company, led a 5-person IT team (25 employees overall).

Software Engineer, CoCoNet AG March 2014 — July 2014

Worked in a ~15 person DevOps Team in a banking software company, programming tools to increase the performance of the DevOps Team.

Accomplishments:

-Built a program that aggregated project builds’ statistics from CI tools and created a report, automating the daily routine for many team members.
-Automated matching project versions with appropriate translation packages to download, saving ~50MB files from being frequently updated and stored in the repository.

Education history

University of Warsaw September 2015 Bachelor's Degree in Computer Science
University of Warsaw September 2017 Master's Degree in Computer Science

I was pursuing sub-faculty in Artificial Intelligence and Natural Language Processing.
I achieved highest marks in most of the lectures.
My master thesis topic is "Machine learning solutions for self-driving cars".
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