Svitlana Grygoryeva
Oeiras,Portugal
Summary
AI quality analyst focused on reviewing AI-generated text, images, and structured data to improve accuracy, safety, and relevance. Supports training data quality, identifies hallucinations, bias, and edge cases, and produces clear reports and annotations that help refine model performance and align outputs with stakeholder requirements.
Overview
12
12
years of professional experience
Work History
AI Quality Analyst (DeepMind, Google)
Cognizant Technology Solutions
Lisbon, Portugal
01.2026 - 10.2026
- Reviewing and auditing AI-generated responses across text, image, and structured data formats (JSON, XML) to ensure accuracy, safety, and relevance.
- Ensuring accuracy, consistency, and strict compliance within training datasets to enhance AI model performance.
- Identifying factual inaccuracies, hallucinations, and logical inconsistencies within AI outputs, and documenting critical edge cases for model training.
- Designing and executing multi-turn conversational prompts to evaluate model capabilities and simulate complex user interactions.
- Collaborated with client (Google AI lab) and stakeholders to align project requirements and ensure data quality met AI system needs.
- Troubleshot inconsistencies, resolved data anomalies, and refined datasets to support advanced AI and machine learning applications.
- Generated analytical reports and provided constructive feedback with detailed annotations to enhance model training.
Workforce Management Analyst (Google)
Cognizant Technology Solutions
Lisbon, Portugal
03.2025 - 01.2026
- Develop and maintain scheduling processes (shift rotations, days off, vacation planning) while conducting real-time adherence monitoring to optimize performance at both individual and team levels.
- Coordinate daily workforce schedules across 4 international projects for over 170 agents to ensure optimal coverage.
- Identified and mitigated operational and delivery risks, addressing capacity gaps, absenteeism, shrinkage, and queue performance.
- Lead escalations and high-priority issues, ensuring clear communication, documentation tracking, and timely resolution.
- Acted as primary operational contact for the client, leading resolution of high-priority issues, mitigating risks, and ensuring delivery readiness.
- Managed billing calculations to ensure financial accuracy and transparency.
Senior Process Executive (Google)
Cognizant Technology Solutions
Lisbon, Portugal
10.2022 - 03.2025
- Exceeded performance targets by enhancing customer experience with Google solutions, contributing to relevant business outcomes.
- Optimised workflows to consistently meet SLAs and align KPIs with business objectives.
- Managed high-volume workflows, resolving complex technical issues and complaints while providing real-time support across two simultaneous chat sessions.
- Resolved urgent customer inquiries across English, Portuguese, and Russian markets while providing technical support for the Italian and German markets.
- Primary point of contact for Google account holders, ensuring successful customer experience and efficient troubleshooting via the use of a variety of tools and inter-departmental communication.
Start Up (Self-employed)
Nostalgic Land, Lda
Lisbon, Portugal
12.2018 - 10.2022
- Established and managed company operations, overseeing legal setup, financial planning, budgeting, and accounting.
- Delivered positive ROI from year one through structured planning and financial discipline.
- Managed client lifecycle from onboarding through service delivery, ensuring ongoing relationship management.
- Cultivated long-term client relationships, resulting in over 500 positive customer reviews.
Customer Success Manager
Fujitsu Technology Solutions
Lisbon, Portugal
04.2015 - 09.2016
- Uncover expansion opportunities via upselling and cross-selling efforts while sustaining strong customer relationships.
- Managed portfolio of UK & Ireland clients, coordinating across internal business units to enhance service delivery.
- Resolved client issues, ensuring accurate data management and asset validation to maintain service continuity.
- Collaborated with sales market intelligence and operations to align client needs with delivery capabilities, improving responsiveness.
Customer Service Representative
Portuguese Embassy in Cape Verde
Praia, Cape Verde
06.2014 - 03.2015
- Ensured completeness and accuracy of submissions to enhance approval outcomes.
- Coordinated with European consulates to resolve issues, mitigating processing risk and ensuring timely visa approvals.
- Processed visa applications, validating documentation against regulatory requirements across 25 EU countries to support compliance and accuracy.
Skills
- AI model evaluation
- Data quality assurance
- Data analysis
- Quality assurance
- Report generation
- Project management
- Analytical and critical thinking
- Problem-solving
- Researching
- Client engagement
- Communication skills
Education
Bachelor of Science in Psychology
Universidade Católica Portuguesa (2026)
Master of Science in International Economics
Mariupol State University, Ukraine (2009)
Bachelor of Science in Economics
Mariupol State University, Ukraine (2008)
Languages
English, Portuguese: Advanced
Russian, Ukrainian: Native
Timeline
AI Quality Analyst (DeepMind, Google)
Cognizant Technology Solutions
01.2026 - 10.2026
Workforce Management Analyst (Google)
Cognizant Technology Solutions
03.2025 - 01.2026
Senior Process Executive (Google)
Cognizant Technology Solutions
10.2022 - 03.2025
Start Up (Self-employed)
Nostalgic Land, Lda
12.2018 - 10.2022
Customer Success Manager
Fujitsu Technology Solutions
04.2015 - 09.2016
Customer Service Representative
Portuguese Embassy in Cape Verde
06.2014 - 03.2015