Sebastian Chojnowski
Data Analyst at Infermedica- Claim this Profile
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Experience
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Infermedica
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Poland
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Hospitals and Health Care
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100 - 200 Employee
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Data Analyst
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Jan 2023 - Present
- designing, building and maintaining data pipeline using Python and Big Query- analyzing data and using statistical techniques to provide insights and support decision-making, with experience in utilizing Looker Data Studio for data visualization- collaborating with cross-functional teams and stakeholders to identify business requirements and translate into technical solutions- leading workshops and train non-technical team members on data analysis and visualization best practices- implementing data storage solutions and reporting in GCP using technologies such as Terraform- continuously evaluating and improving data infrastructure to ensure data accuracy, security and accessibility
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Junior Data Analyst
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Dec 2021 - Dec 2022
- various analysis of internal content required by both technical and non-technical recipients- creating dashboards with data visiualisations- development of internal tools for data extraction and manipulationAll done with usage of Python, SQL in Big Query and Google Cloud Platform services (Data Studio, Google Sheets, Google Docs).
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Europa Ubezpieczenia
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Poland
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Insurance
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100 - 200 Employee
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Junior Specialist in Actuarial Department
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Nov 2020 - Nov 2021
- multiple processes automation using Python and SQL - setup, management and maintenance of processes related to Python and database tools in cooperation with IT Department - preparation of various reports, documentation and analysis with use of Python, Excel, SQL and databases with external sources of data - creation of Machine Learning model (including data cleaning, processing and analysis) of the likelihood of loss registration - multiple processes automation using Python and SQL - setup, management and maintenance of processes related to Python and database tools in cooperation with IT Department - preparation of various reports, documentation and analysis with use of Python, Excel, SQL and databases with external sources of data - creation of Machine Learning model (including data cleaning, processing and analysis) of the likelihood of loss registration
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Parker Hannifin
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United States
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Industrial Machinery Manufacturing
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700 & Above Employee
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Internships in the Accounting Department
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Jun 2018 - Sep 2018
- preparation of payment reports - bank statements monitoring and processing - registration of invoices - preparation of payment reports - bank statements monitoring and processing - registration of invoices
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Education
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Politechnika Wrocławska
Magister (Mgr), Matematyka stosowana -
Politechnika Wrocławska
Inżynier (Inż.), Applied Mathematics