Tomasz Szymański
Senior Power BI Developer at Capgemini
Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolTomasz Szymański is a Senior Power BI Developer with 11 years of experience turning complex financial and operational data into actionable dashboards and ETL solutions. He blends deep SQL and relational database know-how (Teradata, Oracle, MS SQL) with advanced Power BI skills—DAX, Power Query M, DataFlows—to design reports, DataSets and automated data flows used in banking and telecom contexts. His background in product quality management at Nokia and Siemens gives him a strong process-oriented mindset, ensuring metrics and data pipelines are auditable and reliable. Tomasz also contributes to open-source commerce projects like Saleor, where he’s worked on both front-end and back-end account flows, reflecting a versatility that spans BI, web development and testing. Based in Lower Silesia, Poland, he holds an M.Sc. in Computer Science and is known for combining hands-on technical delivery with pragmatic improvements to reporting practices.
11 years of coding experience
20 years of employment as a software developer
M.Sc. Computer Science, M.Sc. Computer Science at Wrocław University of Science and TechnologyHigh School of M. Rej in Jędrzejów
Github Skills (26)
pytest10
python10
django10
user-authentication10
authentication10
typescript10
nextjs10
wpgraphql10
wordpress-graphql10
typescript-types10
graphql10
saleor10
typescripts10
react10
ecommerce9
Programming languages (7)
Github contributions (5)
saleor/saleor
Dec 2019 - Jan 2023
Saleor Core: the high performance, composable, headless commerce API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:44 releases, 1055 reviews, 629 commits in 3 years 2 months
Contributions summary:Tomasz's contributions primarily focused on implementing and refining features within the Saleor Core codebase. They worked on account confirmation mechanisms by creating mutations and tests and by updating existing forms. The user fixed form selection mechanisms and enhanced test coverage. They also made improvements to logging, error handling, and implemented a setting to enable account confirmation by email.
pythonecommercedjangoheadless-ecommerceshopping-cart
saleor/saleor-dashboard
Dec 2019 - Sep 2021
A GraphQL-powered, single-page dashboard application for Saleor.
Role in this project:Front-end Developer
Front-end DeveloperContributions:28 reviews, 57 commits, 28 PRs in 1 year 9 months
Contributions summary:Tomasz primarily focused on enhancing the user interface of the Saleor dashboard. Their contributions included fixing bugs related to product variant management and handling browser history changes. The user also made improvements to components related to shipping zones and order details, along with refactoring zip code related functionalities. The user also incorporated changes to the site settings and voucher usage limit.
reactsaleorecommercesaleor-dashboardecommerce-platform
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