Jessica Marie Hofmann
AI Data Trainer & Quality Analyst, as well as social media content manager!
About
AI Data Trainer & Quality Analyst, as well as social media content manager!
- 5 years' experience
- Joined June 2026
Languages
- GermanFluent
- EnglishFluent
- KoreanIntermediate
- FrenchBeginner
Industry experience
- Education
- Retail
- Media & Entertainment
- Software & Internet
- Professional Services
More experts in Frankfurt, Germany
Work experience· 8 roles
Reviewed agents’ ratings and justifications to ensure accuracy, consistency and guideline compliance. Validated explanations against evidence and flagged errors for review. Improved QC score across the team from approximately 60% to over 90% within 2 months through detailed, targeted feedback and general guidance.
Applied RLHF and SFT training methods to improve model outputs while maintaining a score average above 99%. Created and refined German language prompts and preambles for creative and business-oriented use cases. Identified and labeled contextual, factual, linguistic and reasoning errors according to detailed quality guidelines. Compared and corrected model answers to improve training data quality and reduce error patterns.
Optimized content calendars for 10+ clients in preparation for TikTok Shop. Guided content creators on setup, planning and strategy. Planned and created content pieces, elevating engagement across several social media platforms. Analyzed and optimized social ad performance.
Education
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