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Aliaksandr
Stsepulionak

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Website
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Specialization
Analyst
Hourly rate
$20/hr
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About me
Data Analyst | Python & SQL | Reports, Automation & ML Data analyst with 10+ years of experience in commercial analytics and operations (logistics, tender analytics, revenue optimization). I help companies turn raw data into clear decisions: build reports and dashboards, design product and marketing metrics, and automate routine tasks with Python and SQL. I work remotely (UTC+3), comfortable with async communication and English documentation.

Work experience

AsstrA-Associated Traffic AG
July 2021 – December 2024
Job title
Head of Tender Analytics Division
Work experience & achievements
- Led analytics strategy and execution for 200M+ EUR annual tender operations; managed team of 6 analysts across 3 countries and vendor partnerships with external IT organization - Designed and deployed automated tender-rate system, reducing manual data collection effort by ~40% and achieving strategic financial targets within 12 months - Built fuel price adjustment model integrating market data and cost-plus-margin logic; improved tender profitability with +5% win rate and 5% unprofitable shipments reduction - Optimized tender nomination prediction model through statistical refinement and feature engineering; increased accuracy by 10%, enabling better capacity planning - Expanded geolocation data coverage 4x, unlocking granular route-level and tradelane-level analytics capabilities - Implemented tender rate validation algorithm, reducing processing time by 90% for 500+ monthly tenders; improved data quality and turnaround time
AsstrA-Associated Traffic AG
September 2020 – June 2021
Job title
Senior Data Analyst
Work experience & achievements
- Owned requirements analysis and implementation for tender rate validation solution; analyzed operational pain points and designed algorithmic improvements - Conducted profitability analysis across tender portfolio; identified unprofitable lanes and recommended pricing adjustments - Enhanced geolocation accuracy through Python-based modeling improvements; achieved 15% increase in distance calculation precision
Tez Tour
April 2014 – September 2020
Job title
Marketing Specialist
Work experience & achievements
- Conducted pricing elasticity analysis across 20+ destination markets; delivered elasticity models informing strategic pricing decisions - Analyzed seasonal demand patterns using historical booking data; segmented by geography, tour operator, and customer cohort - Developed flight program optimization model identifying capacity bottlenecks and demand-supply mismatches; solution reduced lost sales by 12% annually (~$150K) - Built pricing strategy model for Turkish market incorporating competitive positioning and demand elasticity; drove 38% annual sales growth and market expansion from 3 to 6 cities - Conducted competitive benchmarking analysis across destination markets and tour operators; provided pricing and product recommendations to leadership

Education

Belarusian State Economic University
Graduation year: 2014
Level of study
Bachelor
Major / Field of study
International Economics