Ewa Szczesna
Data Analyst at Tidio- Claim this Profile
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polski Native or bilingual proficiency
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angielski Professional working proficiency
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hiszpański Limited working proficiency
Topline Score
Bio
Magdalena Olszewska
I had been working with Ewa for almost two years. Ewa is reliable and open-minded person. She always delivered every task on time. Her recommendations were excellent and improved the business. She is well organized and goal oriented. It was a pleasure to work with her as I was always sure that she provides the first class analysis, insights or presentations. I would love to work with her again!
Sylwia Borzym
I am leader of Ewa in CRM Analysis Team in IIIT. She has strong analytical and programming skills, especially in R. She always delivers projects with high quality. I very appreciate her communication skills and ability to work with deferent kinds of clients. Working with Ewa was real pleasure.
Magdalena Olszewska
I had been working with Ewa for almost two years. Ewa is reliable and open-minded person. She always delivered every task on time. Her recommendations were excellent and improved the business. She is well organized and goal oriented. It was a pleasure to work with her as I was always sure that she provides the first class analysis, insights or presentations. I would love to work with her again!
Sylwia Borzym
I am leader of Ewa in CRM Analysis Team in IIIT. She has strong analytical and programming skills, especially in R. She always delivers projects with high quality. I very appreciate her communication skills and ability to work with deferent kinds of clients. Working with Ewa was real pleasure.
Magdalena Olszewska
I had been working with Ewa for almost two years. Ewa is reliable and open-minded person. She always delivered every task on time. Her recommendations were excellent and improved the business. She is well organized and goal oriented. It was a pleasure to work with her as I was always sure that she provides the first class analysis, insights or presentations. I would love to work with her again!
Sylwia Borzym
I am leader of Ewa in CRM Analysis Team in IIIT. She has strong analytical and programming skills, especially in R. She always delivers projects with high quality. I very appreciate her communication skills and ability to work with deferent kinds of clients. Working with Ewa was real pleasure.
Magdalena Olszewska
I had been working with Ewa for almost two years. Ewa is reliable and open-minded person. She always delivered every task on time. Her recommendations were excellent and improved the business. She is well organized and goal oriented. It was a pleasure to work with her as I was always sure that she provides the first class analysis, insights or presentations. I would love to work with her again!
Sylwia Borzym
I am leader of Ewa in CRM Analysis Team in IIIT. She has strong analytical and programming skills, especially in R. She always delivers projects with high quality. I very appreciate her communication skills and ability to work with deferent kinds of clients. Working with Ewa was real pleasure.
Credentials
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The Data Scientist’s Toolbox
CourseraMar, 2019- Nov, 2024 -
Machine Learning
CourseraJan, 2019- Nov, 2024 -
Learning Data Analytics
LinkedInOct, 2018- Nov, 2024
Experience
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Tidio
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United States
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Technology, Information and Internet
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100 - 200 Employee
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Data Analyst
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Jul 2023 - Present
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Viagold Ltd
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Cyprus
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Consumer Services
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1 - 100 Employee
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Freelance Data Analyst
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Nov 2022 - Mar 2023
Responsibilities: - Performing analysis for Call Center to find features of unprofitable target groups & sort leads based on their profitability - Building ML models, running statistical tests Responsibilities: - Performing analysis for Call Center to find features of unprofitable target groups & sort leads based on their profitability - Building ML models, running statistical tests
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IIIT Innovation In IT
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Poland
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IT Services and IT Consulting
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1 - 100 Employee
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CRM Analyst
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Dec 2019 - Jun 2022
Responsibilities: - Developing & maintaining R shiny dashboards for a marketing team - Identifying features of unprofitable target groups - Providing recommendations for marketing campaigns - Data modeling (logistic regression and decision trees) - A/B test planning and evaluation - Running analytical projects from A-Z (gathering requirements, communication with IT and business stakeholders, delivering an analytical product, collecting feedback) - providing daily analytical support for insert channel marketing manager (leaflets added to parcels) Main tools: R, Shiny, SQL, Excel, Tableau Additional: Airflow, GitLab, Jupyter (Python), Bash Show less
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HP
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United States
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IT Services and IT Consulting
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700 & Above Employee
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Junior Sales Business Analyst
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Oct 2018 - Jul 2019
Responsibilities: - providing business analysis for leadership team - to support business execution and long term plans development - business performance measurement in CEMA region (Central & Eastern Europe, Middle East and Africa) - developing automated reports with VBA and internal database systems Responsibilities: - providing business analysis for leadership team - to support business execution and long term plans development - business performance measurement in CEMA region (Central & Eastern Europe, Middle East and Africa) - developing automated reports with VBA and internal database systems
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Skalnik sp. z o.o.
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Wrocław, woj. dolnośląskie, Polska
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Data analyst
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Nov 2016 - Sep 2018
Responsibilities: -sales forecasting -cost analysis -market basket analysis -on-site SEO -developing VBA applications -process optimization Responsibilities: -sales forecasting -cost analysis -market basket analysis -on-site SEO -developing VBA applications -process optimization
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Koło Naukowe Analityki Gospodarczej
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Market Research
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Member
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Jan 2015 - Jan 2017
-business project "Development perspectives for Walbrzych - potencial partners for Walbrzych Special Economic Zone" for Wroclaw Agglomeration Development Agency -loyality programs analysis for GREEN Capital Group -quantitative and qualitative data analysis -acquiring business partners -business project "Development perspectives for Walbrzych - potencial partners for Walbrzych Special Economic Zone" for Wroclaw Agglomeration Development Agency -loyality programs analysis for GREEN Capital Group -quantitative and qualitative data analysis -acquiring business partners
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Ceneo.pl
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Poland
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Technology, Information and Internet
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100 - 200 Employee
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Intern in SEM/SEO department
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Nov 2015 - Nov 2015
-basics of content and keywords optimization -competition analysis for e-marketing -keywords research and analysis -sem/seo tools - SemRush, Screaming Frog, Ahrefs -basics of content and keywords optimization -competition analysis for e-marketing -keywords research and analysis -sem/seo tools - SemRush, Screaming Frog, Ahrefs
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Statistical Office in Wroclaw
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Wrocław, woj. dolnośląskie, Polska
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Trainee - Lower Silesian Regional Research Center
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Nov 2014 - Dec 2014
-gathering data from Local Data Bank and international databases -data verification -producing statistical reports -working with Statistica StatSoft software -preparing data for occasional infographics -gathering data from Local Data Bank and international databases -data verification -producing statistical reports -working with Statistica StatSoft software -preparing data for occasional infographics
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Education
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2019 - 2020
Politechnika Warszawska
Postgraduate studies, Data Science -
2016 - 2018
Uniwersytet Ekonomiczny we Wrocławiu (daw. Akademia Ekonomiczna im. Oskara Langego we Wrocławiu)
Master's degree, Economic Analytics -
2013 - 2016
Uniwersytet Ekonomiczny we Wrocławiu (daw. Akademia Ekonomiczna im. Oskara Langego we Wrocławiu)
Bachelor's degree, Economic Analytics
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