Effie Serafeidou
IT,Technology
Antwerp
Summary
Dedicated and detail-oriented professional with a Master's degree in Cultural Informatics and Technology, along with hands-on experience in data annotation and game development. Proven ability to manage projects effectively while leveraging strong problem-solving skills and attention to detail. Adept at working collaboratively in team environments, equipped with excellent communication skills and a passion for technology and interactive media. Seeking to contribute my expertise in a challenging role that utilizes my technical skills and fosters professional growth.
Overview
18
18
years of professional experience
9
9
years of post-secondary education
3
3
Languages
Work History
AI Data Annotation Specialist
HCL Technologies
01.2025 - 04.2025
- Annotated and labeled data sets for machine learning algorithms.
- Collaborated with team members to ensure data quality and accuracy.
- Assisted in the development of training models through data preparation.
Market Research Analyst
Global Data Collection Company GDCC
06.2023 - 01.2024
- Collecting Market research data through phone calls for large international companies.
- Evaluating results for data collection.
International Talent Acquisition
Cross Border Talents
03.2022 - 11.2022
- Managed HR responsibilities, including sourcing, attracting, interviewing, hiring, and onboarding candidates.
Customer Service Representative
TTEC
07.2021 - 02.2022
- Provided customer support for Booking.com.
- Organized and stored information in both paper and digital formats.
- Handled customer queries via phone and email.
- Greeted visitors and managed reception.
- Scheduled meetings, booked rooms, and arranged travel and accommodations.
Content Moderator
Teleperformance
10.2020 - 07.2021
- Moderated content for TikTok, addressing objectionable or disturbing material.
- Ensured compliance with platform guidelines and safety standards.
Senior Video Content Analyst
Cognizant
10.2018 - 11.2019
- Analyzed and moderated content for YouTube.
- Created detailed reports for clients and senior security officials.
- Utilized strong analytical writing and briefing skills to enhance customer relations.
QA Tester
Keywords Studios
10.2017 - 10.2018
- Conducted quality assurance, localization, and video game testing.
- Identified and resolved bugs, glitches, and user experience issues.
Team Lead
MaritzCX
11.2016 - 10.2017
- Led a market research team, managing daily operations and motivating team members.
- Developed timelines to achieve targets and delegated tasks effectively.
- Conducted training and performance reviews to enhance team skills and productivity.
Post Production Editor
ERT S.A. Hellenic Broadcasting Corporation
02.2007 - 06.2010
- Edited video content, managing camera footage, dialogue, sound effects, and graphics to produce final film and video products.
Education
Master of Science - Cultural Informatics and Technology
University of the Aegean
01.2012 - 01.2014
Game Development - Game and Interactive Media Design
SAE Institute Athens
01.2015 - 01.2016
Bachelor's Degree - Electrical, Electronics and Communications Engineering
Alexander Technological Educational Institute of Thessaloniki
01.2000 - 01.2006
Skills
- Data Annotation
- HTML
- Quality Assurance
- Game Development and Design
- Project Management
Technical Skills:
Soft Skills:
- Problem Solving
- Attention to Detail
- Strong Communication (Spoken English)
- Collaboration and Teamwork
- Knowledge of Cultural Informatics
- Understanding of Interactive Media Design
Industry-Specific Skills:
Timeline
AI Data Annotation Specialist
HCL Technologies
01.2025 - 04.2025
Market Research Analyst
Global Data Collection Company GDCC
06.2023 - 01.2024
International Talent Acquisition
Cross Border Talents
03.2022 - 11.2022
Customer Service Representative
TTEC
07.2021 - 02.2022
Content Moderator
Teleperformance
10.2020 - 07.2021
Senior Video Content Analyst
Cognizant
10.2018 - 11.2019
QA Tester
Keywords Studios
10.2017 - 10.2018
Team Lead
MaritzCX
11.2016 - 10.2017
Game Development - Game and Interactive Media Design
SAE Institute Athens
01.2015 - 01.2016
Master of Science - Cultural Informatics and Technology
University of the Aegean
01.2012 - 01.2014
Post Production Editor
ERT S.A. Hellenic Broadcasting Corporation
02.2007 - 06.2010
Bachelor's Degree - Electrical, Electronics and Communications Engineering
Alexander Technological Educational Institute of Thessaloniki
01.2000 - 01.2006
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