Igor D.

Key Skills

Software

Don't disclose

Top Subject Matter

Telecommunications

Networks

Atomation

Top Data Types

Computer Code Programming

Text

Document

Top Task Types

RLHF

Fine-tuning

Data Collection

Prompt + Response Writing (SFT)

Question Answering

Text Generation

Classification

Freelancer Overview

Senior Network Engineer with 20 years of experience managing global SD-WAN, core Data Centers, and enterprise firewalls for a large-scale infrastructure with 500+ branches. Expert in routing, switching, high-density Enterprise Wi-Fi, and designing high-availability, mission-critical network security. Experienced in building automated AI pipelines and multi-agent systems via n8n and OpenClaw, as well as preprocessing custom datasets to locally train and fine-tune open-weight models like Mistral and Flux.dev. Additionally, since March 2026, working as a Data Annotation Specialist, performing deep labeling, data curation, and reinforcement learning feedback (RLHF) for LLMs.

Labeling Experience

Data Annotator

AudioSegmentation

Evaluation of models based on multiple criteria and writing of rationale. Details are under NDA

2026 - Present

Data Annotator

AudioRLHF

Evaluation of models based on multiple criteria and writing of rationales. Details are under NDA

2026 - Present

Data Annotator

ImageRLHF

Evaluation of models based on multiple criteria and writing of rationales. Details are under NDA

2026 - Present

Data Annotator

TextRLHF

Evaluation of models based on multiple criteria and writing of rationales. Details are under NDA

2026 - Present

Education

Work History