Hadar Gradstein
Senior Data Engineer
Or Akiva
Summary
Data engineering professional with proven experience designing scalable data solutions for AI and medical imaging workflows. Skilled in data modeling, SQL architecture, and cloud/on-prem platforms, with a strong track record in building ETL pipelines and managing high-quality datasets for regulatory use (FDA, HIPAA). Recognized for collaborative leadership, cross-functional communication, and adaptability in fast-paced, research-driven environments.
Overview
18
18
years of professional experience
4
4
years of post-secondary education
1
1
Language
Work History
Senior Data Engineer
Mazor (Medtronic PLC)
06.2021 - Current
- Designed and implemented feature-focused ETL pipelines to extract critical metadata and imaging attributes, store them in a queryable database, and support efficient data retrieval for analytics and AI development workflows.
- Designed a robust SQL database architecture to house ETL-derived features, enabling scalable dataset intergration, and efficient querying for AI model development, project tracking, and data traceability.
- Architected secure on-prem data storage solutions and contributed to the development of enterprise-scale, cloud-based archival platforms, ensuring compliance with security and multi-regional privacy regulations.
- Created and implemented a data engineering framework within an R&D algorithm project to define data requirements, source datasets, and prepare them for development and validation.
- Collaborated with cross-functional teams to identify, collect, and secure legal approval for compatible data sources used in commercial AI products.
- Led dataset creation and annotation workflows, managing third-party annotation teams and applying rigorous QA and validation standards to ensure data integrity for FDA submissions and regulatory approval.
- Applied statistical methods to define study endpoints and derive dataset sample sizes for algorithm validation.
- Served as technical lead for the data engineering team, overseeing pipeline design and data quality processes, while guiding team members and ensuring alignment with project goals.
Program Analyst
Marvell Technology, Inc
03.2015 - 03.2017
- The position required team work and creativity.
- Designing plans and controlling several Semiconductors development projects.
- Creating and assimilating information systems and a BI system.
- Integrative work with multiple departments in the organization.
- Developing performance metrics and technical control measures.
- Characterizing and constructing automated reports using SQL.
Data Structures and Algorithms Teaching Assistant
Ben-Gurion University of the Negev
03.2017 - 08.2017
- The job required high learning abilities, designing and analyzing algorithms.
- Creating lesson plans and teaching them to classes of 80 students.
Intelligence Officer ("Kabar"), First Lieutenant
Israeli Intelligence Corps Unit 8200
03.2007 - 04.2011
- The position required credibility, professionalism, and coping with stressful situations.
- Developing key interests by using technological information systems, mastering the intelligence background and implementing it creatively.
Education
Studying Towards M.Sc - Information Systems & Software Engineering
Ben Gurion University of The Negev
Beersheba, Israel 04.2017 - 01.2018
B.Sc. - Industrial engineering
Tel Aviv University
Tel Aviv, Israel 01.2013 - 01.2016
Skills
- Python Programming – data pipelines, image processing (pandas, pydicom, SimpleITK, NumPy)
- Version Control – Git, GitLab
- SQL & Relational Databases – schema design, data querying, integration
- Statistical Tools – Minitab, hypothesis testing, sample size estimation
- Excel – advanced formulas, pivot tables, data analysis
- Medical Imaging – DICOM handling, metadata extraction, imaging formats
- Cloud & Storage Platforms – hybrid on-prem/cloud systems (AWS)
Military Service
- 2007-2011 Service in the Israeli Intelligence Corps unit 8200.
Last post: Intelligence officer ("Kabar"), discharged as first lieutenant.
The position required credibility, professionalism, and coping with stressful situations.
Developing key interests by using technological information systems, mastering the intelligence background and implementing it creatively. - 2011 Commander and teacher in an elite "Shehakim" program course.
Timeline
Senior Data Engineer
Mazor (Medtronic PLC)
06.2021 - Current
Studying Towards M.Sc - Information Systems & Software Engineering
Ben Gurion University of The Negev
04.2017 - 01.2018
Data Structures and Algorithms Teaching Assistant
Ben-Gurion University of the Negev
03.2017 - 08.2017
Program Analyst
Marvell Technology, Inc
03.2015 - 03.2017
B.Sc. - Industrial engineering
Tel Aviv University
01.2013 - 01.2016
Intelligence Officer ("Kabar"), First Lieutenant
Israeli Intelligence Corps Unit 8200
03.2007 - 04.2011
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