My Resume

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Work experience

Senior Data Engineer @Toptal
Oct 2022 - Now

• Developed Marketing Data Lake
• Migrated data pipelines from in-house built solution to data-composer(Airflow)
• Identified and improved expensive data processes to reduce infrastructure and cloud costs in GCP
• Introduced and implemented policies to improve company's Data Governance
• Tech stack: GCP, data-composer, Luigi, Python, BigQuery, Docker, Terraform, Grafana, Kafka, Fivetran, Jenkins

Senior Data Engineer @EY Polska
Apr 2021 - Oct 2022

• Designed and implemented data architecture for ML-powered internal Document Search Engine tool
• Leveraged ML methods to process documents (anonymization, OCR, deduplication)
• Tech stack: Airflow, Python, Postgres, Azure Data Lake, SQL, FastAPI, Docker, Kubernetes, RabbitMQ, ElasticSearch

Data Engineer @Gitlab
Feb 2020 - Nov 2020

• Built data pipelines for internal and external data sources and developed in-house DWH system
• Developed company's Finance data models (Kimball methodology)
• Tech stack: Airflow, Python, Snowflake, DBT, Gitlab, Stitch/Fivetran, Kubernetess

Data Engineer (Contractor) @Side.co
Sep 2018 - Jul 2019

• Developed ETL pipelines for internal and external data sources and developed in-house DWH system
• Developed Airflow plugin to automate Sales' team day-to-day data operations
• Improved the company's dispatching process by automating worker to task assignment
• Tech stack: Airflow, Python, Postgres, Gitlab CI/CD

Data Integration Engineer (Contractor) @CompuCorp Ltd.
Apr 2018 - Sep 2018

• Built & maintained data transformation pipelines for injecting client data into CiviCRM
• Tech stack: Python, SQL, Airflow, Pentaho, MySQL

Datawarehouse Engineer @Foodora
Nov 2015 - Jun 2017

• Developed and maintained the company's in-house DWH system, integrated data from internal and 3rd party APIs
• Developed daily billing process to report all transactions into external Order Management System
• Developed ML-powered internal tools: Sales Lead Generator and Vendor Backend Issue Discovery
• Tech stack: Python, SQL, Postgres, Redshift, Jenkins

Business Intelligence Trainee @Rocket Internet
May 2015 - Oct 2015

• Developed a multi-client datawarehouse system for the roll-out of an international e-Commerce company portfolio
• Tech stack: Python, SQL, Postgres, BigQuery, Jenkins

Data / Systems Analyst @Credit Suisse
Feb 2014 - Apr 2015

• Worked with stakeholders and PMs to gathering and analyze business requirements, prepare solution design and technical documentation
• Documented application flows and process designs

Developer @EADC Credit Suisse
Jul 2011 - Jun 2014

• Developed internal reporting tools (KRI Reporting tool) and Excel/Access/VBA automations

Certification

Google Cloud Certified Professional Data Engineer
Dec 2022

Serverless Dataprocessing with Dataflow
Aug 2022

Data Engineering, Big Data and Machine Learning on GCP Specialization
Jul 2022

Deep Learning Specialization
Sep 2019

Education

Masters in Computer Science @ Wroclaw University of Science and Technology
Oct 2006 - Jul 2011