Konstantins Sergejevs

Key Skills

Software

Lionbridge

Telus

Top Subject Matter

Large Language Models

AI Content Generation

Speech Data

Top Data Types

Text

Audio

Document

Top Task Types

Transcription

Evaluation Rating

RLHF

Data Collection

Freelancer Overview

AI Content Reviewer. Brings 16+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier AI, Lionbridge, and Telus. Education includes Bachelor of Business Administration, Rīgas Ziemeļvalstu Augstskola (2012) and Secondary Education, Ventspils Secondary School No. 3 (2007). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

AI Content Reviewer

Text

In this AI content reviewer role, I evaluated large language model outputs for usefulness, clarity, and reasoning quality. I worked across multiple projects to ensure the highest standards of generative AI evaluation. My assessments contributed to the overall refinement and benchmarking of language model performance. • Reviewed, compared, and rated LLM-generated text outputs • Focused on quality, clarity, and reasoning in output responses • Applied prescribed rubrics for consistency in evaluations • Collaborated with team on diverse AI content projects

In this AI content reviewer role, I evaluated large language model outputs for usefulness, clarity, and reasoning quality. I worked across multiple projects to ensure the highest standards of generative AI evaluation. My assessments contributed to the overall refinement and benchmarking of language model performance. • Reviewed, compared, and rated LLM-generated text outputs • Focused on quality, clarity, and reasoning in output responses • Applied prescribed rubrics for consistency in evaluations • Collaborated with team on diverse AI content projects

2025 - 2026

Internet Ads Assessor

TelusText

As an internet ads assessor, I rated the relevance, clarity, and quality of search engine advertisements. I analyzed how well advertisements matched user queries and assigned objective ratings. My work helped to improve the quality and targeting of search engine ads for users. • Evaluated online ad content based on set guidelines • Rated accuracy and relevance in relation to search queries • Identified low-quality or non-relevant advertisements • Provided feedback for algorithmic ad improvements

As an internet ads assessor, I rated the relevance, clarity, and quality of search engine advertisements. I analyzed how well advertisements matched user queries and assigned objective ratings. My work helped to improve the quality and targeting of search engine ads for users. • Evaluated online ad content based on set guidelines • Rated accuracy and relevance in relation to search queries • Identified low-quality or non-relevant advertisements • Provided feedback for algorithmic ad improvements

2019 - 2024

Transcriptionist

LionbridgeAudioTranscription

As a transcriptionist, I converted test-takers’ speech into written text following strict project guidelines. I meticulously adhered to accuracy and completeness requirements for quality data output. This work supported the training and evaluation of automated speech recognition systems. • Transcribed spoken responses verbatim • Used project-specific linguistic guidelines • Enabled dataset creation for speech-related AI models • Ensured high transcription fidelity and reliability

As a transcriptionist, I converted test-takers’ speech into written text following strict project guidelines. I meticulously adhered to accuracy and completeness requirements for quality data output. This work supported the training and evaluation of automated speech recognition systems. • Transcribed spoken responses verbatim • Used project-specific linguistic guidelines • Enabled dataset creation for speech-related AI models • Ensured high transcription fidelity and reliability

2020 - 2023

Education

Work History