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I'm Nicolas Siebler, a data analytics professional with a background in business informatics and an finished MSc in Business Analytics. I blend technical depth (SQL, Python, ML, and ETL) with business acumen to translate data into actionable insights, currently applying these skills to retail analytics and enterprise project governance. I enjoy building scalable data pipelines, driving data-driven decision making, and collaborating with cross-functional teams to improve reporting, governance, and outcomes. When I'm not analyzing data, I mentor students and share knowledge through tutoring and open collaboration.…I'm Nicolas Siebler, a data analytics professional with a background in business informatics and an finished MSc in Business Analytics. I blend technical depth (SQL, Python, ML, and ETL) with business acumen to translate data into actionable insights, currently applying these skills to retail analytics and enterprise project governance. I enjoy building scalable data pipelines, driving data-driven decision making, and collaborating with cross-functional teams to improve reporting, governance, and outcomes. When I'm not analyzing data, I mentor students and share knowledge through tutoring and open collaboration.

Nicolas Siebler

Data Scientist, Programmer, Front-End Developer, +2

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I'm Nicolas Siebler, a data analytics professional with a background in business informatics and an finished MSc in Business Analytics. I blend technical depth (SQL, Python, ML, and ETL) with business acumen to translate data into actionable insights, currently applying these skills to retail analytics and enterprise project governance. I enjoy building scalable data pipelines, driving data-driven decision making, and collaborating with cross-functional teams to improve reporting, governance, and outcomes. When I'm not analyzing data, I mentor students and share knowledge through tutoring and open collaboration.…I'm Nicolas Siebler, a data analytics professional with a background in business informatics and an finished MSc in Business Analytics. I blend technical depth (SQL, Python, ML, and ETL) with business acumen to translate data into actionable insights, currently applying these skills to retail analytics and enterprise project governance. I enjoy building scalable data pipelines, driving data-driven decision making, and collaborating with cross-functional teams to improve reporting, governance, and outcomes. When I'm not analyzing data, I mentor students and share knowledge through tutoring and open collaboration.

Available to hire

I’m Nicolas Siebler, a data analytics professional with a background in business informatics and an finished MSc in Business Analytics. I blend technical depth (SQL, Python, ML, and ETL) with business acumen to translate data into actionable insights, currently applying these skills to retail analytics and enterprise project governance.

I enjoy building scalable data pipelines, driving data-driven decision making, and collaborating with cross-functional teams to improve reporting, governance, and outcomes. When I’m not analyzing data, I mentor students and share knowledge through tutoring and open collaboration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

German

Fluent

English

Fluent

Portuguese

Fluent

Work Experience

Data Analyst – Retail & Commercial Analytics at Globalmart

January 1, 2024 - Present

Architected an end-to-end retail analytics ecosystem by engineering SQL/Python ETL pipelines to unify 51k+ records; identified a 12% profit margin leak in the Furniture category due to excessive discounting and high shipping costs, and pinpointed a $200k+ growth opportunity in the Technology segment through regional trend analysis and optimized inventory allocation.

CIM Innovation Engineering Project Back-Office (Working Student) at SAP SE

December 1, 2021 - August 1, 2024

Improved invoice & service entry processing by standardizing templates and adding Jira/Tempo BI validation; cut preparation time and corrections by ~50% and ensured compliant, on-time billing. Optimized development team capacity planning in Felipe by consolidating resource needs, tracking rates, and analyzing deviations; improved staffing forecast accuracy and data consistency. Strengthened project governance and month-end closing by preparing stakeholder meetings and maintaining Confluence documentation and unit tests; ensured accurate, governed and on-time reporting.

Tutor For Integrated Information Systems at The Chair Of Armin Heinzl, Lehrstuhl Für ABWL U. Wirtschaftsinformatik

March 1, 2023 - April 1, 2023

Improved case-solving performance for up to 80 students per tutorial by guiding them through structured case studies and a repeatable problem-solving framework; increased clarity and confidence in sessions. Accelerated student support by acting as the first point of contact and resolving questions quickly; reduced turnaround time for issues and kept sessions on track. Ensured exam quality and consistency by collaborating with the chair on grading and applying quality standards; maintained fair, reliable assessment outcomes.