Radyslav Lomanov - Business-Oriented Data Scientist
Open to projects

Radyslav Lomanov

Business-Oriented Data Scientist

Mathematician transforming data into profitable systems with Data Science & ML

Increasing business ROI by transforming data into production models using mathematics, statistics and machine learning

Research

Python Pandas Scikit-learn XGBoost

Analytics

PostgreSQL BigQuery Power BI Tableau

AI Agents

Claude Code Copilot Cursor Perplexity
4+
Years of experience
$30K+/mo
Net business growth
20+
Successful projects
View Cases GitHub Profile View CV
BUSINESS SOLUTIONS

Data Science for your business growth

From dynamic pricing to demand forecasting — delivering cost optimization, profit growth, and data-driven strategic decisions and product systems

Pricing Strategy and Margin

"How to find the optimal price that maximizes profit, not just sales volume?"

Demand Elasticity ML Models Price A/B Testing Dynamic Pricing
+25% profit

Assortment and Inventory Management

"Which SKUs generate profit, and which ones freeze working capital?"

ABC/XYZ Analysis Product Clustering Inventory Optimization Demand Planning
+15% turnover

Demand and Trend Forecasting

"How much inventory to purchase for the next period accounting for seasonality and trends?"

Time Series (Prophet) ARIMA / SARIMA Seasonal Decomposition ML Forecasting
-20% write-offs

Marketing Efficiency and ROI

"Which channel brings clients with the highest LTV, and which burns through the budget?"

Attribution Modeling Cohort Analysis LTV/CAC Marketing Mix
1.5x ROI
WORK CASES

Recent Projects

Discover how data converts into revenue

GitHub Profile
Amazon warehouse with packages
E-commerce
Python Scikit-learn A/B Testing Plotly

Amazon: Discount Optimization

Development of an ML discount system for 40+ products on the US market. Mathematical analysis of demand elasticity instead of intuitive discounts

Result

Profit +24%

$25,000 - $30,000 in additional monthly profit

Price Elasticity Dynamic Pricing Statistical Analysis
GitHub
Pharmacy shelves with medications
Retail | Pharma
Prophet SQL Clustering Pandas

Pharmacy: Forecasting and Planograms

Building a predictive demand model (Time Series) and retail shelf optimization for a pharmacy chain. Minimizing write-offs and out-of-stock events

Result

Revenue +12%

$35,000 - $40,000 in optimized monthly profit

Demand Forecast Product Optimization Planogram
GitHub

Related Projects

Data Science approach across different domains

Mathematics & AI Mentoring
Mentoring

Mathematics & AI Mentoring

Individual consultations on higher mathematics, statistics and practical application of AI tools in work and study

EdTech View
Cryptocurrency Algorithmic Trading
Trading

Algorithmic Trading

Research and development of algorithmic strategies for crypto trading. Backtesting, volatility analysis and automation

FinTech View
Data analysis in social research
Research

Social Research

Statistical analysis of sociological data using R. Visualization, correlation analysis and predictive model building

Social View
EXPERTISE

Proven Competencies

Data Science and analytics practice that has already brought businesses 20%+ profit

4+
4+
Years in DS+ML
20+
20+
Prod models
5+
5+
Business domains
85%
85%+
Forecast accuracy

Certifications

Certified qualification from leading Tech companies

IBM · Data Analysis with Python

IBM Data Analysis with Python Certificate - Radyslav Lomanov
Verified
Verify

PROMETHEUS · R Statistics

Prometheus R Statistics Certificate - Radyslav Lomanov
Verified
Verify

Skills

A comprehensive set of Data Science, Machine Learning and analytical skills for solving business challenges

Hard Skills

Research
Calculus Statistics Linear Algebra Probability Theory
Programming
Python Jupyter Lab R Studio Anaconda nvm/npm Power Query
ML & AI
Deep Learning Random Forest AutoML Julius AI Claude Code
Analytics
Power BI Tableau Looker Studio Amplitude Google Analytics

Tech Stack

Math
Functions Vectors Matrices Bayes' Theorem Series Algorithms
Coding
Pandas NumPy Openpyxl Matplotlib Seaborn PostgreSQL
DS & ML
Scikit-learn XGBoost Statsmodels SciPy TensorFlow PyTorch
Business Analysis
BABOK SWOT UML SIPOC PESTEL Gantt Charts

Business Analytics

Product Metrics
Unit economics LTV/CAC Retention Churn analysis NPS CSAT
Growth Analytics
Cohort analysis A/B testing Sales funnels
Strategy
Pricing Optimization Forecasting Demand Competition
Segmentation
RFM segmentation Behavioral Geographic Demographic Psychographic

Soft Skills

Communication
English B2+ Presentations Tech. documentation Jira Reports
Management
Cross-project work Project management Teamwork
Mindset
Business-focus ROI-oriented Mathematical Analytical Critical
Adaptability
Fast start Flexibility Self-organization Prioritization
View CV

Cooperation Formats

4+ years of experience with Data Science modeling and strategic analytics across 5+ domains: E-commerce, MedTech, FinTech, Crypto, EdTech, Advertising

Data Scientist

PRIORITY ROLE

English B2+

Building and deploying Data Science systems with clear, measurable financial impact

Key competencies:

  • Demand Forecasting and Time Series Time Series (ARIMA, Prophet, LSTM), seasonal decomposition, reducing inventory costs by 20-30%
  • Pricing Optimization Price elasticity analysis, regression models, A/B testing, profitability increase of 15-25%
  • Recommendation Systems and Segmentation Collaborative filtering, K-Means clustering, customer segmentation, +18% cross-sell conversion
  • Statistical Analysis and Hypothesis Testing Correlation analysis, Z-score normalization, A/B testing, +21% ROI

Technology Stack:

Python Pandas NumPy Scikit-learn Statsmodels XGBoost Prophet ARIMA Git Jupyter

ML Engineer

ALTERNATIVE ROLE

English B2+

Designing ML architectures from mathematical model to autonomous business product

Key competencies:

  • ML Product from Architecture to Production Design, implementation and handoff — system operates without developer involvement, $50k+ / mo product revenue
  • Data Automation: from Collection to Decisions Full pipeline: collection, transformation, KPI calculation, management reporting, 7 metrics automated
  • Custom Algorithms for Business Challenges Mathematical problem formulation, implementation, quantitative validation, +34% ROI on inventory optimization
  • Reliable ML Systems Under Real Conditions Stable architecture, automatic quality control, -29% losing trades

Technology Stack:

Linux Server PyTorch Keras FastAPI Docker MLflow Apache Airflow PostgreSQL ONNX
AI Assistant

Generate Strategies

Submit a request to my specially trained AI agent, and it will generate Data Science recommendations for your business

AI Assistant by Radyslav Lomanov

Powered by Google Gemini 2.5 Flash

Example queries:

FinTech

P2P lending platform. We want to improve the credit scoring model to reduce defaults by 15-20%

E-commerce

Online clothing store. We're losing 20% profit due to non-optimal pricing during sales

INSIGHTS

Expert Blogging

Business insights, ML models, technical cases, learning materials and research details for the Data Science community

Medium

Articles & research

Kaggle

Datasets & notebooks

HuggingFace

ML models

LinkedIn

Professional network

Notion

Knowledge base

TikTok

Data Science trends

Telegram

News channel

YouTube

Video tutorials

Subscribe on a convenient platform to stay updated on new cases and insights

COOPERATION

Choose a convenient cooperation format

Results within 1 month of cooperation -10% for trial 30 min free consultation
Full-Time

Full employment

from $3,200/mo

+ KPI bonus | 5-10% of result

Full engagement in your project
Stable results every month
Fast scaling of solutions
Accumulation of domain expertise
Payment: every 2 weeks Trial period: 1 month
Choose
Part-Time

Flexible employment

from $1,200/mo

+ from $35/hr | minimum 40 hrs/mo

Pay only for needed hours
Flexible expertise engagement
Minimal fixed costs
Implementation support
Payment: every week Trial period: 1 week
Choose

Final rate depends on: project complexity, team size, cooperation duration and business domain. Trial period: -10%

Additional cooperation information

Work format: remote
Cooperation: GIG contract, CPD, B2B
Payment methods: cash, card, USDT
Official registration: through an authorized representative

Choose a convenient way to contact

Telegram @radyslav_datascience
WhatsApp +38(095)-035-94-05
Email lomanov.mail@gmail.com
LinkedIn radyslav-datascience
Response time → less than 2 hrs