Lars Jansen
Amsterdam
Summary
Detail-oriented professional with native Dutch and fluent English proficiency. Proven expertise in guideline-driven tasks, data management, and ensuring accuracy and consistency. Strong analytical skills applied to information categorization, review, and validation. Committed to enhancing AI systems through annotation, labeling, quality review, and data validation in flexible remote positions.
Overview
9
9
years of professional experience
5
5
years of post-secondary education
Work history
Freelance Data & Content Reviewer
Remote / Independent
2021.01 - 2026.02
- Reviewed and corrected text/content for accuracy, consistency, and guideline compliance
- Performed data validation, categorization, and error identification tasks
- Maintained high precision in repetitive review sessions with self-verification
Academic Research Assistant (Part-Time)
University of Amsterdam / Delft University of Technology
2017.01 - 2020.01
- Assisted in labeling and annotating datasets for machine learning and data analysis projects
- Followed strict protocols to classify text/images and ensure data quality
- Conducted reviews and provided feedback on dataset consistency and completeness
Education
MSc - Computer Science
Delft University of Technology
2018.01 - 2020.01
BSc - Computer Science
University of Amsterdam
2015.01 - 2018.01
Skills
- Attention to detail and accuracy
- Adherence to guidelines and standards
- Analytical skills for theme identification
- Text annotation and content review
- Microsoft Office 365 proficiency
- Web-based platform experience
- Data input and validation
- Annotation tool expertise
- Basic AI and machine learning knowledge
- Remote collaboration tools
Languages
Dutch (Native), English (Fluent), French (B1 – Intermediate)
Timeline
Freelance Data & Content Reviewer
Remote / Independent
2021.01 - 2026.02
MSc - Computer Science
Delft University of Technology
2018.01 - 2020.01
Academic Research Assistant (Part-Time)
University of Amsterdam / Delft University of Technology
2017.01 - 2020.01
BSc - Computer Science
University of Amsterdam
2015.01 - 2018.01