Katriina Kiiski
@katriinakiiski
I train and evaluate Finnish-language AI models, ensuring accuracy, reliability, and cultural relevance.
What I'm looking for
I’m an AI Data Trainer and Finnish language specialist with a multidisciplinary background spanning anthropology, sociology, and IT. For the past two years, my work has centred on training and evaluating large-scale language models with a consistent focus on linguistic precision, factual accuracy, and cultural relevance for Finnish-speaking users.
I bring hands-on expertise in human-in-the-loop training, prompt engineering and prompt optimisation, and detailed error trace documentation to help teams improve evaluation metrics and model behaviour. Alongside model training, I support accuracy and reliability through output verification, QA for AI-powered products, and Finnish localisation testing—balancing compliance, ethics, and real-world usefulness.
Experience
Work history, roles, and key accomplishments
Advanced AI Data Trainer (Finnish)
Invisible Technologies
Sep 2025 - Present (10 months)
Trains and refines large-scale language models for Finnish-language performance using deep expertise in Finnish grammar, syntax, morphology, and phonology. Conducts human-in-the-loop error analysis, documents failures, and proposes improvements to prompt engineering and evaluation metrics.
AI Data Trainer (Finnish)
Freelance
Dec 2024 - Present (1 year 7 months)
Provides QA testing for AI-powered products with a focus on accuracy, reliability, and Finnish-language quality. Performs localisation testing and develops test cases, crafting and optimizing prompts to improve contextually relevant responses.
Substitute Teacher
Hausjärven Kunta
Jan 2018 - Sep 2025 (7 years 8 months)
Delivered lessons across diverse subject areas and age groups following National Curriculum guidelines. Built strong communication with school staff, students, and parents while adapting to rapidly changing classroom environments.
Civil Servant (Career Services)
City of Hämeenlinna
Feb 2022 - Aug 2023 (1 year 6 months)
Provided empathetic customer service for complex employment and benefits enquiries. Interpreted and applied unemployment law to ensure compliant and accurate service delivery, while building relationships with local businesses and service providers.
Content Review Associate
Accenture / Hays
Apr 2018 - Oct 2018 (6 months)
Reviewed content for compliance with monetisation policies, with a focus on the Finnish market. Maintained high accuracy and daily quotas while applying evolving content guidelines.
Education
Degrees, certifications, and relevant coursework
University College London (UCL)
Master of Science (MSc), Medical Anthropology
MSc graduate research in medical anthropology, building skills in qualitative fieldwork, cultural analysis, and cross-disciplinary research methodology.
University of Glasgow
Master of Arts (MA), Sociology and Anthropology
2010 - 2014
MA training in sociology and anthropology research methods, theory, and analysis, with a minor in philosophy including ethics, logic, and philosophy of science.
Availability
Location
Authorized to work in
Job categories
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