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Грокаем
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Achievement: Pull Sharkx2Achievement: QuickdrawAchievement: YOLOAchievement: Pair Extraordinaire

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Achievement: Pull Sharkx2Achievement: QuickdrawAchievement: YOLOAchievement: Pair Extraordinaire

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danlikendy/README.md

Artem Tsygantsov

Machine Learning Engineer
RAG · NLP · LLM integrations · ETL for ML

Moscow · tsygantsov.ru · LinkedIn · Habr

I ship models and the data around them: retrieval, evaluation, Python services, SQL. Currently building Voicaj — speech and text become structured records (tasks, calendar, health, finance) via YandexGPT, LangChain, and intent-style routing. Previously: corporate RAG (~60% faster document search) and data-quality tooling (~40% fewer bad loads).

M.S. Machine Learning @ Finance University (2026–2028).

Selected work

Project Description Link
Voicaj Voice → structured life data. Next.js, Node/Express, PostgreSQL, Redis, YandexGPT + SpeechKit, Docker, GitHub Actions. voicaj.ru
Heart Risk ML Binary heart-attack risk from clinical tabular data. CatBoost + FastAPI. repo
Text-to-Image Search ResNet50 + TF-IDF + MLP · поиск фото по текстовому описанию. repo
TeleDom Retention TeleDom Retention Model — прогноз оттока абонентов (ROC-AUC 0.976). repo
Retail Retention ML ML for e-commerce retention: purchase-activity decline, segmentation, personalized offers. repo
Marketplace Sales ML ML for e-commerce retention: purchase-activity decline, segmentation, personalized offers. repo
HR Analytics ML HR analytics ML project (workforce / turnover modeling). repo

Writing: RAG without a trust policy — rules vs materials, retrieval gates for product assistants.

Stack

stack

Python · PyTorch · scikit-learn · LangChain · SQL · PostgreSQL · FastAPI · TypeScript · Next.js · Docker · Airflow · MLflow

Activity

GitHub stats Top languages

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  1. hr-analytics-ml-project hr-analytics-ml-project Public

  2. marketplace-sales-ml-project marketplace-sales-ml-project Public

    Apparel CRM ranker: purchase in the next 90 days. Hold-out ROC-AUC 0.760; 1.93% positives

    Python

  3. retail-retention-ml-project retail-retention-ml-project Public

    E-commerce retention ranker: who is cooling off and still worth a coupon. Hold-out F1 0.794 / ROC-AUC 0.884

    Jupyter Notebook

  4. teledom-retention-model-project teledom-retention-model-project Public

    Telecom churn ranker. Gradient boosting + Optuna. Hold-out ROC-AUC 0.912. Tenure stops at EndDate for leavers

    Jupyter Notebook

  5. text-to-image-search-projcet text-to-image-search-projcet Public

    Rank a photo catalog from an English caption. Frozen ResNet50 + MiniLM, MLP on concat. Val MAE 0.163

    Jupyter Notebook

  6. heart-risk-ml-project heart-risk-ml-project Public

    Binary heart-attack risk from clinical tabular data. CatBoost + FastAPI. F1-macro on stratified CV, CSV in / JSON out. Not a medical device

    Jupyter Notebook