Vasiliki T.-Mathematician | MSc Statistics | Quantitative Analysis & AI Evaluation
Check rate
Experience
AI Generalist / Trainer
Mercor
- Evaluated AI-generated responses across quantitative, statistical, and analytical tasks.
- Identified reasoning gaps and inconsistencies in model outputs.
- Provided structured written feedback to improve model quality and reliability.
Mathematics Teacher
High School in Athens
- Provide targeted remedial maths instruction to 30+ secondary-school students, closing learning gaps and boosting end-term pass rates.
Underwriting Analyst
doValue Greece
- Operated and optimised predictive models to forecast portfolio inflows and assess performance.
- Calculated capped real-estate values for portfolios, ensuring accurate and reliable valuations.
- Automated processes, improving efficiency and reducing manual workloads across various tasks.
Active trained listener
7 Cups
- Provided real-time emotional support to 80+ users worldwide via online chat, applying active-listening and crisis-de-escalation techniques.
Data assurance intern
PwC Greece
- Performed data analysis & integrity testing with ACL Analytics/Excel for audit engagements.
Mathematics Teacher
SOS Children's Villages, Greece
- Mentored 5 students aged 15-16 in Mathematics.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Education, Healthcare, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Finance, Operations, Customer Service, and Audit.
Summary
Mathematician with more than 3 years' experience applying statistical forecasting, predictive modelling and risk analysis across finance, and hands-on experience evaluating AI-generated reasoning as an AI Trainer. Comfortable translating complex, technical problems in mathematics, statistics, and quantitative finance into clear, rigorous analysis. Seeking freelance or full-time remote roles in quantitative/STEM analysis or AI training & evaluation where precision and structured reasoning drive measurable results.
Skills
- Mathematics
- Statistics
- Finance
- Investment Strategy
- Problem Solving
- R
- Spss
- Analysis
- Data Analysis
- Multitasking
- Teaching
- Presentation
- Microsoft Office
Languages
Education
University of Piraeus
Master's degree, Specialization: Statistical methods in Data Science · Applied Statistics · Piraeus, Greece
University of Nicosia
Master of Education · Special Education · Nicosia, Cyprus
University of Crete
Bachelor of Science · Applied Mathematics · Crete, Greece
Certifications & licenses
Digital Copywriter
USERT GREECE
Digital Marketing Training (75 hours)
Excel Skills for Business
Coursera
Proficiency in English
University of Michigan
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Vasiliki is based in Athens, Greece.
Vasiliki speaks the following languages: Greek (Native), English (Advanced).
Vasiliki has at least 7 years of experience. During this time, Vasiliki has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 1 year and 1 month. Note that Vasiliki may not have shared all experience and actually has more experience.
Based on recent experience, Vasiliki would be well-suited for roles such as: AI Generalist / Trainer, Mathematics Teacher, Underwriting Analyst.
Vasiliki's most recent position is AI Generalist / Trainer at Mercor.
In recent years, Vasiliki has worked for Mercor, High School in Athens, doValue Greece, and 7 Cups.
Vasiliki is most experienced in industries like Banking and Finance, Education, and Healthcare. Vasiliki also has some experience in Professional Services and Information Technology.
Vasiliki is most experienced in business areas like Business Intelligence, Finance, and Operations. Vasiliki also has some experience in Customer Service, Audit, and Information Technology.
Vasiliki has recently worked in industries like Banking and Finance, Healthcare, and Education.
Vasiliki has recently worked in business areas like Business Intelligence, Finance, and Operations.
Vasiliki holds a Master in Applied Statistics from University of Piraeus, a Master in Special Education from University of Nicosia and a Bachelor in Applied Mathematics from University of Crete.
Vasiliki has 4 certificates. Among them, these include: Digital Copywriter, Digital Marketing Training (75 hours), and Excel Skills for Business.
Vasiliki is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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