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Location

Poland

Rate

$20  / per hour

Years of experience

9+

About

With extensive experience as a Data Engineer and Systems Analyst, I have honed my skills in SQL, PL/SQL, and various data engineering technologies. Currently, I am working at Eviden, where I develop processes to onboard data sources to the Google Cloud Platform, analyze client requirements, and solve complex big data issues. I design, write, and maintain Apache Airflow jobs, develop ETL/ELT solutions, and automate data flows. My technical expertise includes Python, Linux bash scripting, and JSON, allowing me to work effectively with data flows, server connectivity, and multiple technologies. Previously, I worked at Atos as a Data Engineer, focusing on ETL layer design and implementation for new data warehouses. My role as a BI Developer involved working with Oracle and Unix technologies. At PKO Bank Polski, I supported documentation creation, testing, and monitoring of banking transaction systems. My experience at CGI Information Systems included database administration, system monitoring, and SQL programming. I also worked at Orange as a Systems Analyst and SQL Analyst, where I optimized SQL reports, participated in IT projects, and ensured information security. My education at the Warsaw University of Technology provided a strong foundation for my career in data engineering and analytics.

Tech Stack

Data Engineering, Bash, CDAP, GCP, Jira, PL/SQL, Python, SQL

Experience

  • Creating and implementing processes to transfer data from various sources (SFTP file, JDBC database, Teradata, REST) to the Google Cloud Platform.
  • Designing, writing, and maintaining Apache Airflow jobs to coordinate data processing between multiple technologies.
  • Designing and implementing ETL (Extract, Transform, Load) and ELT (Extract, Load, Transform) solutions to automate data flows.
  • Analyzing client requirements related to new data sources and working closely with data domain experts to propose and implement effective solutions.
  • Utilizing programming and scripting skills, including SQL, PL/SQL, Python, and Linux bash scripting, to solve data-related problems and optimize processes.
  • Managing and administering application servers, optimizing system performance, monitoring systems, and ensuring IT system security.
  • Creating technical and project documentation, supporting the creation of specifications, testing, error analysis, and preparing data for testing to ensure system reliability and accuracy.

Employment history

Data Engineer GCP, Eviden April 2023 - Present
  • Developing process to onboard data source (transfer SFTP file, JDBC database, tpt Teradata, REST) to the Google Cloud Platform
  • Analyzing client requirements related to new data sources, propose solution and work closely with Data domain experts: Data scientists, Data Owners and Data Lake team.
  • Solving of big data and specific problems (time/load/volume)
  • Working with of data flows and server connectivity (databases, data flow, data structures, databases connectivity)
  • Programming knowledge with: Sql, Pl/Sql, Python, Linux bash scripting, HCL(basic), Json
  • Designing, writing, and maintaining Apache Airflow jobs that coordinate between multiple technologies.
  • Developing ETL/ELT solutions and automating data flows
Data Engineer GCP, Atos January 2020 - April 2023
  • Responsible for designing and implementing the ETL (Extract, Transform, Load) layers for new data warehouse projects, utilizing technologies such as Oracle and Unix.
  • Develop, maintain, and automate data processing workflows on the Google Cloud Platform (GCP) to ensure efficient data handling and transformation.
  • Work closely with data scientists, data owners, and the Data Lake team to analyze requirements, propose solutions, and ensure seamless integration and data flow across various systems and technologies.
BI Developer, Atos IT Solutions and Services A/S August 2015 - April 2023
  • Design and implement the ETL (Extract, Transform, Load) layer for new data warehouse projects, ensuring efficient and reliable data integration and transformation.
  • Develop and maintain business intelligence solutions using technologies such as Oracle and Unix to support data analysis and reporting needs.
  • Work closely with business stakeholders to understand their data requirements, create detailed specifications, and ensure the delivery of accurate and timely data solutions to support decision-making processes.
Systems Analyst, PKO Bank Polski February 2015 - July 2015
  • Supporting the creation of documentation and specifications for changes of Centralized Settlement System.
  • Support in testing, error analysis and preparation of data testing.
  • Monitoring systems for banking transactions flow both national and international.
  • Participation in business meetings with IT solutions provider.
Database Administrator, CGI Information Systems and Management Consultants October 2013 - January 2015
  • Advanced maintenance of systems CRM PTK Centertel
  • Monitoring including the development of a system monitoring with Zabbix
  • Programming in SQL, Pl/Sql technology
  • Teamwork in the development of management systems
  • Management and administrations of application servers: configuration, optimization, monitoring, analyzing of the system situations, locating errors, diagnosis of the errors and removing from the system
  • Supervision of the IT system security
Systems Analyst, Orange March 2013 - September 2013
  • Analyzing and solving problems and incidents
  • Participation in IT projects Implementation of new functionalities Analysis of business requirements
  • Programming in SQL,T-SQL, Pl/SQL technology
  • Optimization of the questions and attention to the transparency of the source codes
  • Issuing opinions of the offers from provider, business requirement analysis, system support
  • Administration, operation, maintenance and development of the SAS systems
  • Monitoring of processes, information security control
  • Creation of technical and project documentation
SQL Analyst, Orange March 2012 - February 2013
  • Creation, modification, optimization, implementation of SQL reports
  • Creation of project documentation
  • Completing and updating existing documentation
  • Participation in projects as an databases analyst
  • Valuation of business contracts, contact with business customer
  • Feasibility analysis
Junior Specialist / Financial Controlling, Orange July 2011 - January 2012
  • Preparation and analysis of accounting and statistics reports to the agreement between TP S.A ITI Neovision Sp. Z o.o. and Cyfrowy Dom S.A. Creation of customer base with daily sales reports
  • Data analysis for implementation to an automated system of reports
  • Creation of technical and project documentation
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