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А

Артур Медведев

AI Training Specialist (NEAR Crowd)

Poland flagN/A, Poland
$10.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

Large Language Models
Multimodal AI
Computer Vision

Top Data Types

TextText
ImageImage

Top Task Types

RLHF
Segmentation

Freelancer Overview

AI Training Specialist (NEAR Crowd). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes NEAR Crowd (Decentralized AI Marketplace), AI Training Specialist (2024). AI-training focus includes data types such as Text and Image and labeling workflows including RLHF and Segmentation.

Entry LevelEnglish

Labeling Experience

AI Training Specialist (NEAR Crowd)

OtherImageSegmentation
Performed image segmentation on visual data as part of multimodal AI training pipelines. Ensured the precision and accuracy of labels to prevent model hallucinations and reinforce safe outputs. Validated and refined contributors’ segmentation tasks using peer-reviewed feedback mechanisms. • Labeled and segmented images using blockchain-based verification. • Collaborated with other contributors to refine segmentation ontologies. • Identified edge cases and improved dataset quality. • Consistently met high standards for label accuracy and consistency.

Performed image segmentation on visual data as part of multimodal AI training pipelines. Ensured the precision and accuracy of labels to prevent model hallucinations and reinforce safe outputs. Validated and refined contributors’ segmentation tasks using peer-reviewed feedback mechanisms. • Labeled and segmented images using blockchain-based verification. • Collaborated with other contributors to refine segmentation ontologies. • Identified edge cases and improved dataset quality. • Consistently met high standards for label accuracy and consistency.

2022 - 2024

AI Training Specialist (NEAR Crowd)

OtherTextRLHF
Performed Reinforcement Learning from Human Feedback (RLHF) and model tuning to improve large language model accuracy, safety, and reasoning. Executed high-precision labeling tasks in a competitive, peer-reviewed dataset environment for AI model training. Conducted quality assurance, acting as validator to improve dataset reliability and ontology. • Achieved and maintained a 95%+ label accuracy rate in a decentralized marketplace environment. • Processed large volumes of peer-reviewed data with zero-error expectations. • Segmented images and classified text for multimodal AI training. • Utilized blockchain-verified tooling for labeled data validation.

Performed Reinforcement Learning from Human Feedback (RLHF) and model tuning to improve large language model accuracy, safety, and reasoning. Executed high-precision labeling tasks in a competitive, peer-reviewed dataset environment for AI model training. Conducted quality assurance, acting as validator to improve dataset reliability and ontology. • Achieved and maintained a 95%+ label accuracy rate in a decentralized marketplace environment. • Processed large volumes of peer-reviewed data with zero-error expectations. • Segmented images and classified text for multimodal AI training. • Utilized blockchain-verified tooling for labeled data validation.

2022 - 2024

Education

A

AI Training Specialist

NEAR Crowd (Decentralized AI Marketplace)

NEAR Crowd (Decentralized AI Marketplace)
2022 - 2024

Work History

N

N/A

Digital Content Lead and YouTube Manager

N/A
2024 - Present