BIAN KOUASSI
@biankouassi
Senior AI Evaluator and Data Quality Analyst specializing in LLM quality, ambiguity, and evaluation rubrics.
What I'm looking for
I’m a detail-oriented AI Evaluator and Data Quality Analyst with 12+ years across analytical workflows, including 5+ years focused on ambiguous model outputs, ML quality workflows, and legal-technical documentation.
I apply multi-step reasoning to evaluate LLM and multimodal performance on truthfulness, logical coherence, and instruction following—while designing robust evaluation rubrics and authoring rigorous, structured justifications for complex edge cases.
In remote, highly autonomous environments, I drive data quality alignment by auditing model outputs (200+ weekly), building QA documentation pipelines, and improving team cross-annotation consistency—so engineering and data science teams can optimize faster and with higher confidence.
Experience
Work history, roles, and key accomplishments
Data Quality Analyst
Uptake Technologies
Mar 2024 - Jun 2026 (2 years 3 months)
Reviewed and audited 200+ weekly outputs from industrial ML pipelines for logical consistency, real-world factual accuracy, and instruction alignment. Designed and deployed evaluation rubrics for a QA team and authored structured rationales for edge cases and recurring failure patterns.
Audited high-volume legal-technical document datasets to find contradictions, reasoning flaws, and factual gaps missed by automated heuristics. Applied multi-step reasoning for classification decision logs and built an escalation pipeline that reduced downstream data rework by 18%.
Evaluated, scored, and comparably ranked thousands of LLM responses on reasoning depth, instruction adherence, factual grounding, and semantic coherence. Led multimodal/spatial evaluation and documented prompt-level comparative justifications with systematic failure analysis.
Education
Degrees, certifications, and relevant coursework
Stanford University
Bachelor of Science, Computer Science
Earned a Bachelor of Science in Computer Science from Stanford University, graduating May 2018.
Availability
Location
Authorized to work in
Job categories
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