Svitlana Grygoryeva
Summary
AI quality analyst specializing in evaluating and optimizing artificial intelligence and machine learning models. Ensures accuracy and compliance in training datasets, significantly enhancing model performance. Conducts thorough reviews of AI-generated outputs to identify accuracy and bias, providing analytical reports and actionable insights.
Overview
12
12
years of professional experience
Work History
AI Quality Analyst
Cognizant Technology Solutions
Lisbon, Portugal
01.2026 - Current
- Reviewing and auditing AI-generated responses across text, image, and structured data formats to ensure accuracy, safety, and relevance.
- Ensuring accuracy, consistency, and strict compliance within training datasets to directly enhance AI model performance.
- Identifying factual inaccuracies, hallucinations, and logical inconsistencies within AI outputs, and documenting critical edge cases for model training.
- Collaborating directly with the client (Google AI lab) and stakeholders to align project requirements and guarantee data quality meets 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.
- Generating analytical reports, delivering constructive feedback and detailed annotations.
Workforce Management Analyst (RTA)
Cognizant Technology Solutions
Lisbon, Portugal
03.2025 - 01.2026
- Act as primary operational point of contact for multiple international clients, managing end-to-end delivery readiness across 4 projects and 170+ agents.
- Coordinate onboarding, changes, and ongoing operational requirements with client stakeholders and internal teams (Operations, Planning, Billing, Management).
- Ensure readiness before go-live, validating staffing, scheduling, reporting structures, and compliance with contractual SLAs.
- Identify and mitigate operational and delivery risks (capacity gaps, absenteeism, shrinkage, queue performance).
- Monitor onboarding progress and service performance through data-driven analysis, producing Excel-based reports to support forecasting and decision-making.
- Lead escalations and high-priority issues, ensuring clear communication, documentation tracking, and timely resolution.
- Manage billing calculations and resource allocation, reinforcing financial accuracy and transparency.
Google Customer Support Specialist
Cognizant Technology Solutions
Lisbon, Portugal
10.2022 - 03.2025
- Primary point of contact for Google accounts holders, ensuring successful customer experience and efficient troubleshooting via use of the variety of tools and inter-departmental communication.
- Resolving urgent cyber security issues with high priority for English, Portuguese, and Russian markets, providing support for Italian and German markets.
- Efficient work process organization to achieve SLAs and keep KPIs aligned with business objectives.
- Consistently met and exceeded performance targets driving higher value and an efficient experience from Google solutions to drive relevant business outcomes.
Start Up (Self-employed)
Nostalgic Land, Lda
Lisbon, Portugal
12.2018 - 10.2022
- Established and managed a company end-to-end, including legal setup, financial planning, budgeting, and accounting oversight.
- Managed the full client lifecycle, from onboarding to service delivery and relationship maintenance.
- Built long-term client relationships, achieving 500+ positive customer reviews.
- Delivered positive ROI from year one through structured planning and financial discipline.
Customer Success Manager
Fujitsu Technology Solutions
Lisbon, Portugal
04.2015 - 09.2016
- Managed a portfolio of UK & Ireland clients, acting as the central coordination point across internal business units.
- Handled client issues comprehensively, securing accurate data management and asset validation to uphold service continuity.
- Uncover expansion opportunities via upselling and cross-selling efforts while sustaining strong customer relationships.
- 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
- Processed high volumes of visa applications, validating documentation against multi-jurisdictional regulatory requirements (25 EU countries).
- Ensured completeness, accuracy, and compliance before submission—critical to approval outcomes.
- Coordinated with multiple European consulates to resolve issues and reduce processing risk.
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
- Data quality assurance
- Data analysis
- Quality assurance practices
- Report generation
- Project management
- Client engagement
- 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 - Current
Workforce Management Analyst (RTA)
Cognizant Technology Solutions
03.2025 - 01.2026
Google Customer Support Specialist
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
Bachelor of Science - Psycology
Universidade Católica Portuguesa
Master of Science - International economics
Mariupol State University
Bachelor of Science - Economics
Mariupol State University