Penelope Stefadourou

Content Annotator at Tech Mahindra (2025-07 – Present)

Delivering high-quality data annotation to support AI/ML model training and development

Delivered high-quality data annotation (text, image, audio, video) to support AI/ML model training and development.
Ensured accuracy and compliance by moderating content and adhering to strict client guidelines.
Collaborated in fast-paced projects, meeting productivity targets while maintaining data integrity.
Adapted to new tools and processes quickly, demonstrating flexibility and attention to detail.

Content review specialist at Cognizant Technology Solutions (2022-11 – 2025-06)

Reviewing and analyzing various types of content and ensuring compliance with legal regulations and company policies

Reviewing and analyzing content evaluating various types of content, such as text, images, videos, or user-generated content
Ensuring content compliance with legal regulations, industry standards, and company policies
Making decisions and taking action on whether to approve, flag, or remove content
Monitoring trends and emerging issues with industry trends, new regulations, and emerging issues related to content
Maintaining confidentiality and data protection ensuring the security and confidentiality of user data and content.

Customer Service Support Specialist for Abbott Diabetes Care at Sitel Group (2021-07 – 2022-11)

Responding to customer inquiries and providing customer service support

Responded to customer inquiries and provided timely, accurate, and professional assistance via email, chat, and phone
Resolved customer complaints and issues, ensuring customer satisfaction and retention
Demonstrated product knowledge and effectively communicated features and benefits to customers
Collaborated with cross-functional teams to address complex customer concerns

Experiência