Sven Leischner

Senior Power BI & Data Science Consultant

Salary / Daily rate

Barcelona, Spain

Freelance, open to permanent contract

Can come onsite

Skills

Power BIPythonData ScienceData VisualizationETLSharePointMySQLSAP ERPBig DataData AnalysisMachine LearningBusiness Analysis

Languages

German (Native)English (Fluent)Spanish (Fluent)Italian

About me

Intro

Power BI & Data Science consultant with 5+ years of progressive experience from Analyst to Senior Data Scientist at Statista. Specialized in building custom BI dashboards, data modeling with DAX, and ML pipeline development. I bridge technical expertise with business strategy to transform your data into actionable insights and measurable value.

Links

Work experience

Freelance Power BI & Data Science Consultant

Apr 2025 - Present

1 year 7 months

Barcelona, Spain

Freelance consultant focused on Power BI and data-driven solutions. I help companies design and implement Business Intelligence strategies – from data modeling and interactive Power BI dashboards to advanced Data Science and AI-based applications. My services include: • Custom Power BI dashboards and reports • Data analysis and modeling • Development of machine learning pipelines • Data strategy consulting • Tailored data-driven solutions Bridging technical expertise with business needs to turn data into real value.

Statista

Jan 2020 - May 2025

5 years 5 months

Barcelona, Spain

Senior Data Scientist

Apr 2024 - May 2025

1 year 2 months

Barcelona, Spain

Data Scientist

Jan 2022 - Mar 2024

2 years 3 months

Hamburg, Germany

Analyst

Jan 2021 - Dec 2021

1 year

Hamburg, Germany

Junior Analyst

Jan 2020 - Dec 2020

1 year

Hamburg, Germany

Werkstudent im Controlling

Schuler Group

Oct 2017 - Oct 2018

1 year 1 month

73 Göppingen, Germany

- Supporting end users with the calculation software - Creating templates in TIBCO Jaspersoft Studio for printing - Documenting compiled knowledge in TIBCO Jaspersoft Studio and training of the key-user with the aim that departments create templates autonomously - Developing and executing a testing procedure for new software updates - Further development of a structured collaboration platform to store documents and for communication

Praktikant im Controlling

Schuler Group

Nov 2016 - Aug 2017

10 months

Göppingen/Weingarten

- Supporting end-users with the calculation software - Creating templates in TIBCO Jaspersoft Studio for printing - Developing and executing a testing procedure for new software updates - Representative and contact person of the project management regarding questions about the calculation software - Development of a structured collaboration platform to store documents

Praktikant in Business Analytics und E-Commerce

FC Schalke 04

Mar 2016 - Aug 2016

6 months

45 Gelsenkirchen, Germany

Business Analytics & Controlling: - Preparation and evaluation of analysis - Assistance to create business cases - Creation of Excel-VBA-Tools - Supporting the development of the ERP-System - Involvement in the budget planning Purchase, Logistics & Sales: - Create and maintane products - Monitoring stock and sales - Supporting the optimization of the logistic process E-Commerce: - Creation of reports to evaluate online-marketing-campaigns - Trend scouting - Supporting the care and maintenance of social media marketing campaigns - Assistance of the planning and implementation of photo shootings/autograph sessions Allgemeines: - Volunteer of the preparation for the general assembly 2016 - Player in the staff soccer team ("die Dritte")


Education

University of Konstanz

Bachelor's degree, Economics

Grade: 2,3

Activities and societies: - Member of the student association economics at the Universität Konstanz

University College Cork

Erasmus, Economics

Grade: -

Activities and societies: - Captain of the University Handball Team

- 4 month Erasmus Semester from September to December

Università di Pavia

Master's degree, International Business and Entrepreneurship

Grade: -

Second year of the Double Degree Program in Cooperation with the University of Hohenheim in Germany.

University of Hohenheim

Master's degree, International Business and Economics

Grade: -

First year of the Double Degree Program in cooperation with the Università di Pavia in Italy

The best place to find your next move

© 2026. All Rights Reserved.