Hi, I'm Sergey Severin, a freelance professional based in Minsk, Belarus, with a background in product management, project management, and AI model evaluation. I focus on building and refining content generation systems, evaluating LLMs, and turning data into practical, scalable solutions. Over the years I have led end-to-end initiatives, authored hundreds of prompts for model testing, and helped teams convert complex outputs into cohesive articles and services. I thrive in cross-functional environments and enjoy turning ideas into repeatable processes that deliver measurable impact.

Sergey Severin

Hi, I'm Sergey Severin, a freelance professional based in Minsk, Belarus, with a background in product management, project management, and AI model evaluation. I focus on building and refining content generation systems, evaluating LLMs, and turning data into practical, scalable solutions. Over the years I have led end-to-end initiatives, authored hundreds of prompts for model testing, and helped teams convert complex outputs into cohesive articles and services. I thrive in cross-functional environments and enjoy turning ideas into repeatable processes that deliver measurable impact.

Available to hire

Hi, I’m Sergey Severin, a freelance professional based in Minsk, Belarus, with a background in product management, project management, and AI model evaluation. I focus on building and refining content generation systems, evaluating LLMs, and turning data into practical, scalable solutions.

Over the years I have led end-to-end initiatives, authored hundreds of prompts for model testing, and helped teams convert complex outputs into cohesive articles and services. I thrive in cross-functional environments and enjoy turning ideas into repeatable processes that deliver measurable impact.

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Language

Russian
Fluent
Belarusian
Fluent
English
Advanced
Spanish; Castilian
Intermediate

Work Experience

LLM Evaluation Analyst - Freelance at Freelance
October 1, 2024 - Present
Engaged in LLM development and evaluation. Created over 200 prompts across topics to test model capabilities (Project Fireweed - Falcon LLM Russian Tasks). Evaluated model responses and rated quality signals, proposing improvements to enhance performance.
Product Manager - Freelance at Freelance
January 1, 2018 - Present
Led an initiative to build a global online service; improved content generation system; oversaw automated biographical article creation, including text segmentation, information extraction, comparison, and merging into cohesive articles. Reviewed generated content and recommended system enhancements; enabled hundreds of thousands of distinct biographical essays to be generated automatically.
Project Manager - Exon IT, LLC at Exon IT, LLC
December 1, 2017 - October 2, 2025
Created a content generation system; led project planning and development of automated content workflows.
Analyst - Administration of Belarus Hi-Tech Park at Belarus Hi-Tech Park
December 31, 2017 - October 2, 2025
Data collection and analysis of IT sector development; supported strategic insights and reporting over an eight-year period.

Education

at Belarusian State University
January 11, 2030 - October 2, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Computers & Electronics, Software & Internet, Professional Services, Media & Entertainment, Education