Svitlana Grygoryeva
Oeiras,Portugal
Summary
AI Quality Analyst specialising in evaluating and optimising artificial intelligence and machine learning models. Ensures accuracy and compliance in training datasets, enhancing model performance. Conducts reviews of AI-generated outputs to identify accuracy and bias, delivering analytical reports and actionable insights.
Overview
4
4
Languages
12
12
years of professional experience
Work History
AI Quality Analyst
Cognizant Technology Solutions
Lisbon, Portugal
01.2026 - 08.2026
- Ensured accuracy, consistency, and compliance within training datasets to enhance AI model performance and reliability.
- Reviewing and auditing AI-generated responses across text, image, and structured data formats (JSON, XML) to ensure accuracy, safety, and relevance.
- Identifying factual inaccuracies, hallucinations, and logical inconsistencies within AI outputs, and documenting critical edge cases for model training.
- Collaborated with client (Google AI lab) and stakeholders to align project requirements and ensure data quality met AI system needs.
- Designing and executing multi-turn conversational prompts to evaluate model capabilities and simulate complex user interactions.
- Troubleshooting inconsistencies, resolving data anomalies, and refining datasets to support advanced AI and machine learning applications.
- Generated analytical reports, provided constructive feedback, and created detailed annotations to support continuous model improvement.
Workforce Management Analyst
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 to enhance service delivery.
- Serve as the primary operational point of contact for the client, leading high-priority issue resolution, risk mitigation, and end-to-end delivery readiness.
- Led escalations and high-priority issues, ensuring clear communication and documentation tracking for timely resolution and improved client satisfaction.
- Managed billing calculations to reinforce financial accuracy and transparency, supporting budget adherence and fostering client trust.
Senior Process Executive
Cognizant Technology Solutions
Lisbon, Portugal
10.2022 - 03.2025
- Managed high-volume workflows, balancing complex technical issues and complaints while providing real-time support via two simultaneous chat sessions.
- Resolved urgent customer inquiries across English, Portuguese, and Russian markets while delivering technical support for Italian and German markets.
- Primary point of contact for Google account holders, ensuring a successful customer experience and efficient troubleshooting via the use of a variety of tools and inter-departmental communication.
- Implemented workflow optimizations to consistently meet SLAs and ensure all KPIs remained aligned with business objectives.
- Met and exceeded performance targets, enhancing customer experience with Google solutions to support relevant business outcomes.
Start Up founder
Nostalgic Land, Lda
Lisbon, Portugal
12.2018 - 10.2022
- Established and managed company operations, overseeing legal setup, financial planning, budgeting, and accounting processes to ensure smooth functioning.
- Delivered positive ROI from year one through structured planning and financial discipline.
- Managed client lifecycle, facilitating onboarding, service delivery, and ongoing relationship maintenance to enhance client satisfaction.
- Built long-term client relationships, achieving 500+ positive customer reviews.
Customer Success Manager
Fujitsu Technology Solutions
Lisbon, Portugal
04.2015 - 09.2016
- Identified expansion opportunities through upselling and cross-selling while maintaining strong customer relationships.
- Managed portfolio of UK & Ireland clients, coordinating across internal business units to enhance service delivery.
- Resolved client issues comprehensively, ensuring accurate data management and asset validation for uninterrupted service.
- Collaborated with sales market intelligence and operations to synchronize client needs with delivery capabilities.
Customer Service Representative
Portuguese Embassy in Cape Verde
Praia, Cape Verde
06.2014 - 03.2015
- Ensured completeness, accuracy, and compliance before submission—critical to approval outcomes.
- Coordinated with European consulates to resolve issues, minimising processing risks.
- Processed high volumes of visa applications, validating documentation against regulatory requirements across 25 EU countries.
Education
Bachelor of Science - Psycology
Universidade Católica Portuguesa
Portugal01-2026
Master of Science - International economics
Mariupol State University
Ukraine01-2009
Bachelor of Science - Economics
Mariupol State University
Ukraine01-2008
Skills
- AI model evaluation
- AI model validation
- Data quality assurance
- Data analysis
- AI compliance standards
- Report generation
- Stakeholder collaboration
- Quality assurance
- Analytical and critical thinking
- Problem-solving
- Researching
- Communication skills
LANGUAGES
English
Advanced
C1
Portuguese
Advanced
C1
Russian
Proficient
C2
Ukrainian
Proficient
C2
Timeline
AI Quality Analyst
Cognizant Technology Solutions
01.2026 - 08.2026
Workforce Management Analyst
Cognizant Technology Solutions
03.2025 - 01.2026
Senior Process Executive
Cognizant Technology Solutions
10.2022 - 03.2025
Start Up founder
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
Bachelor of Science - Psycology
Universidade Católica Portuguesa
Master of Science - International economics
Mariupol State University
Bachelor of Science - Economics
Mariupol State University