Mariusz Jarząb

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Wroclaw Metropolitan Area

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Timeline
About me
Senior Data Engineer
Education
- Państwowa Wyższa Szkoła Zawodowa w Legnicy
  2011 - 2014
  Bachelor's Degree Economics
- Uniwersytet Ekonomiczny we Wrocławiu (daw. Akademia Ekonomiczna im. Oskara Langego we Wrocławiu)
  2015 - 2017
  Master's Degree Finance and Accounting (Specialisation: Baking and Financial Consulting)
- Uniwersytet im. Adama Mickiewicza w Poznaniu
  2020 - 2021
  Postgraduate studies Big Data - Data Processing
  -R processing (TidyVerse, RMarkDown, PyPlot, Shiny)-Data analysis in R (Linear Regression, PCA, cluster analysis, autoML, H2O, keras)-Advanced SQL (DML, indexing, normalization forms, transactional isolations )-Python (pandas, scikit-learn)-Apache Hadoop (MapReduce, Hive, Ambari/Hue/Linux HDFS DFS commands)-Data Warehouses (OLTP, OLAP, SSIS, Tableau Prep)-Business Intelligence (Tableau, R (ggplot & dplyr))-Apache Spark (PySpark, Spark SQL, DataBricks)-Data… Show more -R processing (TidyVerse, RMarkDown, PyPlot, Shiny)-Data analysis in R (Linear Regression, PCA, cluster analysis, autoML, H2O, keras)-Advanced SQL (DML, indexing, normalization forms, transactional isolations )-Python (pandas, scikit-learn)-Apache Hadoop (MapReduce, Hive, Ambari/Hue/Linux HDFS DFS commands)-Data Warehouses (OLTP, OLAP, SSIS, Tableau Prep)-Business Intelligence (Tableau, R (ggplot & dplyr))-Apache Spark (PySpark, Spark SQL, DataBricks)-Data Streaming (IoT, AWS EC2, Apache NIFI, Kafka)-NoSQL (neo4j, Impala, Hbase)-AWS (S3, Kinesis, Kinesis Firehose, Glue, Athena, Lambda, Terraform)-Big Data workflows (Spark Streaming, Hive, Tableau) Show less
Experience
- Credit Suisse
  Oct 2015 - Sept 2018
  Responsible for preparation of Credit Risk reports, including risk calculation, validation of calculated risk exposures, report publication and maintenance of stakeholder’s needs. Additionally responsible for technical support of reporting team with maintenance and change introduction to reports based on MS Excel sheets, MS Access databases, Business Objects and Crystal Reports templates, ad-hoc data manipulation, new EUC preparation and delivery, as well as knowledge sharing processes for junior members and liaison with Business Analysts and Reporting Solutions team. Show less
  - Senior Credit Risk Reporting Analyst
    Oct 2017 - Sept 2018
  - Credit Risk Reporting Analyst
    Dec 2016 - Sept 2017
  - Junior Credit Risk Reporting Analyst
    Apr 2016 - Dec 2016
  - Credit Risk Reporting Contractor
    Oct 2015 - Mar 2016
- AXA XL, a division of AXA
  Oct 2018 - Sept 2021
  Technical Lead within Data Quality team- Informatica Data Quality - maintenance & development - daily workflows with 15m+ records volume- Azure SQL Server - Data Warehouse schema - maintenance & development- Apache Hive- MicroStrategy Dossier- SQL - DML, DQL, DDL, DCL- MS Access, MS Excel, VBA- Python & R for data analysis and visualisations- MS Teams, SharePoint, Power Automate for Office 365 integration and dynamic emails
  - Senior Data Engineer II - Data Quality - CoE Technical Lead
    Apr 2020 - Sept 2021
  - Senior Data Engineer - Data Quality
    Oct 2018 - Apr 2020
- C&F
  Sept 2021 - now
  - Senior Data Engineer
    Dec 2024 - now
  - Data Engineer
    Sept 2021 - Dec 2024
Licenses & Certifications
- Architecting with AWS
  Asseco Group
  Dec 2024
- Apache Spark z wykorzystaniem języka Python
  Sages
  Nov 2023
- Level 2 Oracle 11g SQL: Training for data analytics
  Business Factor
  Jun 2018
- Zaawansowane sposoby zarządzania dużymi pakietami danych z wykorzystaniem Pythona i SQL
  Altkom Akademia
  Mar 2019
- RISE Program 2018
  Sproutlogix
  Jun 2018
- Hands On Essentials - Data Warehouse
  Snowflake
  Feb 2023
  View certificate
- Oracle SQL dla analityków danych Poziom I
  Business Factor
  Jun 2017
- MS Access 2010 VBA
  Business Factor
  Oct 2016