Janis Gloystein
Professional Summary
Data Labeling Analyst and Visual Data Specialist with experience creating and managing labeling processes for machine learning and AI model development. Skilled in data quality assurance, data analysis, reviewing and validating labeled datasets for accuracy and consistency, and audio processing. Combines high-precision annotation experience as both an annotator and auditor with 15+ years of visual communication expertise. Recognized for strong critical thinking, problem-solving skills, excellent written and verbal communication, and team-oriented attention to detail.
Core Competencies
Data & Annotation
Analytical Skills
Professional Skills
Visual & Technical
Professional Experience
Senior Domain Expert (Graphic Design)
Mercor Intelligence | Independent Contractor
- •Evaluate visual datasets and contribute domain-specific feedback to increase model accuracy for a top-tier AI lab.
- •Support model refinement through applied visual communication principles, critical thinking, and data analysis.
Data Annotator
Alignerr
- •Act as both annotator and auditor to label and audit multimodal datasets, including audio processing and media data, meeting daily volume and quality targets.
- •Review and validate labeled datasets for accuracy and consistency, collaborating with data scientists to train 5 machine learning models achieving 97% precision and recall.
- •Flex between projects as demand requires, quickly adjusting to new project guidelines week-over-week while comprehending complex requirements to refine AI models.
- •Collaborate with team members to identify improvements to the labeling process to drive efficiency and promote high-quality outputs.
- •Perform QA using advanced annotation workflows (Labelbox) and contribute to rubric development and media A+B labeling.
Data Annotator
Outlier
- •Perform QA in annotation tooling, labeling and reviewing datasets to ensure high-quality structured outputs.
- •Operationalize on product feedback and apply continuous quality improvements aligned with annotation best practices.
- •Identify trends within large data sets, maintaining consistency and attention to detail across evolving project guidelines.
Additional AI Projects
Micro1 | CrowdGen | Handshake | Mindrift | SME
Marketing Designer / Production Artist
Freelance & Contract | San Francisco Bay Area
- •Designed and produced digital, print, web, and presentation materials requiring team-oriented collaboration and strict attention to detail.
- •Reviewed and optimized visual assets for accuracy, consistency, and multi-platform use across biotech, financial, and retail sectors.
- •Demonstrated excellent communication skills and self-directed workflow management while meeting strict production deadlines.
Technical Tools
Education
Bachelor of Science in Design (Cum Laude)
University of California, Davis
Awarded Outstanding Achievement in Design
Web Design & Development Certification
Santa Rosa Junior College
Additional Leadership
Advisory Committee Member, Digital Media Department
Santa Rosa Junior College | 2010–2015