SEBASTIAN JOSEPH
Klemzig
Summary
A professional with a strong foundation in data science and hands-on experience in retail operations and customer service, who is motivated and detail-oriented. I have honed my abilities in team leadership, sales promotion, and inventory management, which I have acquired through my experience in fast-paced retail environments. I am in search of a challenging opportunity that will allow me to apply my customer-focused perspective, analytical abilities, and problem-solving skills to support business success and continuous improvement. My goal is to integrate my practical experience with my academic background in order to provide data-driven solutions that facilitate operational excellence and strategic decision-making.
Overview
4
4
years of professional experience
Work History
Assistant Manager
Xconvenience
08.2023 - Current
- Managed daily store operations, including cash handling, banking, and POS system maintenance.
- Coordinated supplier orders and maintained accurate inventory through weekly audits.
- Led staff training and resolved customer issues to ensure smooth service delivery.
- Promoted in-store offers to customers, driving additional sales.
Intern
JR Analytics
03.2025 - 06.2025
- Developed a clinical text normalization pipeline using MIMIC-IV hospital data to support real-time diagnosis prediction in emergency settings.
- Mapped unstructured discharge summaries and chief complaints to UMLS concepts using similarity models.
- Collaborated with data scientists to prepare the dataset for pilot integration into PulsEMR for real-time emergency department testing.
- Preprocessed and standardized over 300,000 clinical notes; improved diagnostic term matching accuracy by combining rule-based and transformer-based techniques.
Team Member
Coles
05.2023 - 03.2025
- Handled products and equipment in accordance with safety and sanitation guidelines.
- Broke down heavy pallet loads of cases, boxes and bags.
- Served shoppers in a prompt, courteous and friendly manner.
- Safely used knives, scales, wrappers, compactors, garbage disposals, pallet jack and hand trucks.
Intern
The Sparks Foundation
10.2021 - 11.2021
- Organized and analyzed data using supervised ML (Python and R)
- Performed exploratory data analysis and found weak areasof business(Python and R)
Education
Master of Data Science -
University of South Australia
South Australia06.2025
Bachelor's in Physics Honours - undefined
University of Delhi
06.2022
Skills
- Problem-solving
- Time management
- Customer relations
- Customer service
- Money handling
- Team leadership
- Decision-making
- Attention to detail and strong organizational skills
- R Programming
- Python
- Excel
- Knime
- Tableau
- Power BI
- Strong research skills, including data collection, analysis, and interpretation
Accomplishments
- Elected as the Joint Secretary of the Malayalam Literary Society of St. Stephen's College and supervised a team of 150+ members (2021-22).
- Appointed as the Tournament Director of the Ultimate Frisbee Club of St. Stephen's College and spearheaded a group of 50+ members (2021-22).
- Awarded the "Innovation in Science Pursuit for Inspired Research (INSPIRE)" Scholarship sponsored
and managed by the Department of Science& Technology for attraction of talent to Science. - Science stream topper and 3rd overall rank holder, Viswajyothi CMI Public School (2018–19).
ACADEMIC COURSES
- Advanced Analytic Techniques
- Data Wrangling and Social Media Analytics
- Data Visualisation
- Big Data Concepts
- Business Intelligence and Analytics
- Statistical Programming for Data Science
Timeline
Intern
JR Analytics
03.2025 - 06.2025
Assistant Manager
Xconvenience
08.2023 - Current
Team Member
Coles
05.2023 - 03.2025
Intern
The Sparks Foundation
10.2021 - 11.2021
Bachelor's in Physics Honours - undefined
University of Delhi
Master of Data Science -
University of South Australia
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