Hema (D) K.
Data Analyst (Working Student)
Experience
Jun 2025 - Present
7 monthsMannheim, Germany
Data Analyst (Working Student)
Institute for Sport, University of Mannheim
- Conduct analytics on operational datasets using Python and Excel to support performance insights.
- Apply statistical analysis to identify patterns and optimize internal processes.
Dec 2022 - May 2024
1 year 6 monthsData Scientist (Working Student)
SAP
- End-to-end ML development on enterprise datasets, integrating structured and unstructured data.
- Built and deployed NLP/ML pipelines, including NER, entity linking, and question-answering models.
- Developed an LLM-based enterprise QA assistant using BERT, GNNs, and retrieval systems.
- Implemented automated data preparation pipelines using Python, SQL, and PyTorch.
- Followed best practices (GitHub, Docker, testing) and collaborated with product owners and engineers.
- Communicated analytical insights and model behavior to cross-functional non-technical stakeholders.
Aug 2022 - Nov 2022
4 monthsResearch Assistant
ZEW – Leibniz Centre for European Economic Research
- Preprocessed and analyzed large-scale patent-related text datasets.
- Performed data analysis & visualization using Python (matplotlib, pandas) to support patent research.
- Conducted text matching with semantic methods to enable record linkage.
- Created reproducible workflows and documentation for internal stakeholders.
Dec 2017 - Aug 2021
3 years 9 monthsSenior Consultant, Data & Analytics
PwC India
- Designed Power BI dashboards using SQL + DAX for executive-level insights (automated ETL monitoring).
- Worked with Azure cloud (Azure SQL, Data Factory) to build robust data pipelines.
- Improved data quality and governance by implementing data validation scripts and workflow monitoring.
- Collaborated with business stakeholders to translate operational problems into actionable data analyses.
Jun 2014 - Dec 2017
3 years 7 monthsSystem Engineer
Tata Consultancy Services
- Built dashboards, reports, and monitoring tools with Python and SQL.
Summary
Data Scientist with 4+ years of hands-on experience delivering analytics, ML models, dashboards, and end-to-end data solutions across research and enterprise domains. Skilled at translating business questions into analyses, building statistical models, and deploying automated pipelines that create measurable business impact.
Expertise spans Python, SQL, data engineering, dashboarding (Power BI), LLMs, NLP, and cloud systems (Azure). Known for a pragmatic approach, strong stakeholder communication, and building production-ready analyses, dashboards, and GenAI solutions.
Languages
English
AdvancedGerman
ElementaryEducation
Sep 2021 - Feb 2025
University of Mannheim
M.Sc. · Data Science · Mannheim, Germany
Jul 2010 - Jun 2014
National Institute of Technology, Rourkela
B.Tech · Electronics & Communication Engineering · Rourkela, India
Jun 2008 - May 2010
Kakatiya Public School (CBSE)
Visakhapatnam, India
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