Skip to content
S. Plotnikov
Work Projects Articles Profile Contact
EN / RU

Engineering Work

Case studies in industrial data acquisition, production machine learning, AI services and the infrastructure required to operate them.

Industrial PLC Data Platform

Built read-only data acquisition pipelines for industrial equipment, moving PLC telemetry from edge collectors into ClickHouse for monitoring, analytics and downstream ML.

  • Python
  • Mitsubishi MC/SLMP
  • PLC
  • TCP/UDP
  • SQLite
  • ClickHouse
  • Grafana
  • FastAPI
  • systemd
  • Docker
View case study →

Production ML & Shadow Inference for Manufacturing

Built ML pipelines on real manufacturing telemetry, from time-windowed PLC datasets and defect modeling to online inference and shadow-mode validation on production equipment.

  • Python
  • LightGBM
  • XGBoost
  • CatBoost
  • scikit-learn
  • ClickHouse
  • Time Series
  • Online Inference
  • Shadow Inference
View case study →

Industrial Signal Mapping & Machine Semantics

Mapped thousands of low-level PLC registers to real machine nodes and process semantics using historical telemetry, electrical documentation and field validation.

  • Python
  • PLC
  • Mitsubishi
  • ClickHouse
  • YAML
  • HMI
  • Electrical Schematics
  • RAGFlow
View case study →

Industrial RAG & Local Knowledge Agent

Deployed an industrial knowledge assistant combining RAGFlow, local embedding/reranking models and LLM inference to search and reason over technical machine documentation.

  • RAGFlow
  • Qwen3
  • Python
  • Docker
  • Elasticsearch
  • MySQL
  • MinIO
  • Redis
  • NVIDIA Jetson
  • OpenRouter
View case study →

Document OCR Platform & 1C Integration

Built an internal OCR service for structured document extraction with validation, error handling and asynchronous integration into 1C workflows.

  • Python
  • PaddleOCR
  • Flask
  • Docker
  • JSON
  • 1C
  • Nginx
View case study →

AI Voice Assistant on NVIDIA Jetson

Built and deployed a voice assistant pipeline for meeting transcription and AI processing on NVIDIA Jetson, packaged with Docker and exposed through a secured web service.

  • Python
  • Flask
  • Faster Whisper
  • CUDA
  • NVIDIA Jetson
  • Docker
  • Local LLM
  • Nginx
  • Bitrix24 API
View case study →
Sergey Plotnikov AI Product Engineer / ML Developer
Email LinkedIn GitHub Telegram