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Tomasz Solis

@tomaszsolis

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Creative data professional focused on data-driven insights and solutions.

Spain

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What I'm looking for

I am looking for a role that fosters innovation and offers growth opportunities.

I am a creative data professional with extensive experience in implementing data-driven approaches to solve complex business problems. Currently, I serve as a Senior Data Analyst/Data Scientist at Socialpoint in Barcelona, where I lead the analytics roadmap in collaboration with senior management. My focus is on delivering actionable insights that drive decision-making, resulting in a 9% improvement in user retention and a 10% increase in lifetime value.

Throughout my career, I have mentored and trained junior and mid-level analysts, enhancing team efficiency and analytics capabilities. My expertise includes designing and analyzing A/B tests, which have led to significant increases in conversion rates and user engagement. I am passionate about leveraging data to improve business outcomes and am always eager to introduce new ideas and approaches.

With a strong technical background in SQL, Python, and various data visualization tools, I have successfully executed key projects that have positively impacted user metrics and revenue growth. I am committed to continuous learning and professional development, and I thrive in dynamic environments where I can contribute to innovative data solutions.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Analyst / Data Scientist

Current

Socialpoint

Jul 2024 - Present (10 months)

Creative data professional focused on delivering insights and solutions to complex business problems. Led the analytics roadmap, driving data-driven decisions that improved user retention by 9% and increased LTV by 10%. Mentored a team of analysts, enhancing team efficiency and analytics capabilities.

SQL Python Tableau Data Analysis Mentoring Data Visualization User Retention Machine Learning

Senior Product Data Analyst

Revolut

Jun 2022 - Jul 2024 (2 years 1 month)

Led key projects to increase user engagement and retention through data-driven insights. Improved the number of salaried users by 27% and enhanced customer activation by over 25%. Mentored junior analysts and contributed to data visualization and A/B testing initiatives.

SQL Python Looker A B Testing Data Visualization Mentoring Statistics Customer Retention Power BI Data Cleaning

Senior Data Analyst

Glovo

May 2021 - Jun 2022 (1 year 1 month)

Created a Courier Quality Dashboard to improve the adoption of centralized tools, positively impacting courier quality metrics. Implemented data-driven setups that decreased key metrics by over 10%.

SQL Python Looker Data Analysis Dashboards Data Driven Decision Making Statistics AWS

Data Analyst

SAI Global

Oct 2019 - Apr 2021 (1 year 6 months)

Optimized processes using data analysis, reducing the time to issue certificates by 12 working days. Co-created an insights platform for customers to analyze the quality of audited facilities.

SQL Python R Tableau Optimization Process Improvement Data Analysis Data Visualization

Data Analyst / Automation Architect

Nordea Bank AB

May 2018 - Sep 2019 (1 year 4 months)

Introduced a data-driven approach to IT automation, saving over 1500 hours of manual work per month. Developed a roadmap for IT services automation using microservices architecture.