Andrei

Andrei Korablov
Prague, Czech Republic
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
GitHub | Tableau Public | HackerRank

Work experience
August 2025 – May Amazon Czech Republic Services s.r.o. (Prague)
2026
Customs Brokerage specialist
- optimized the customs declaration filing workflow, reducing manual processing effort by ~50%;
- built a validation framework to improve accuracy of accessorial charge reviews and reduce errors;
- designed KPI reports enabling faster issue identification and operational decision-making;
- standardized documentation procedures across teams, improving consistency and compliance;
- facilitated regular stakeholder meetings to track progress and maintain alignment on priorities

October 2023 – EPSON Europe B.V. (Prague)
September 2024
CRM Data Analyst
- managed end-to-end reporting and data quality pipelines using SQL ensuring clean and reliable data
across downstream reports;
- calculated promo and back rebate payouts for 100+ partners across Central and Eastern Europe,
maintaining accuracy across complex pricing structure;
- automated recurring sales and rebate reports, cutting manual preparation time by around 35%;
- participated in UAT for MSD, SAP, and OLAP rollouts, logging and escalating issues in collaboration with
IT to ensure smooth go-live;
- maintained master data integrity and supported demand forecasting, serving as the go-to person for ad-
hoc analytical requests from sales and finance teams

May 2022 – Slotegrator (Prague)
September 2023
Business Analyst
- built and optimized ETL pipelines and SQL-based data extraction to support reporting needs;
- run A/B tests from start to finish: defined hypotheses, set KPIs, evaluated results and shared findings;
- prepared regular performance reports for executive management and handled ad-hoc requests;
- built and maintained dashboards in Tableau and Google Sheets to track key business metrics;
- trained end users on BI tools to help the team work more independently with data

November 2017 – Conduent Czech Republic s.r.o. (Prague)
December 2021
Senior Technical Advisor
- provided advanced assistance for Client's software and services via phone and email;
- identified fraudulent, unauthorized activities and educated customers to improve their data protection;
- detected and reporting on emerging trends and customer issues to engineers and leadership;
- collected log files from devices, tested new tools, created feedbacks;
- actively cooperated with Client's partners (service centers, resellers etc.)

Education
Master Donetsk National University, Donetsk (Ukraine)
Philology, Journalism

Additional information
Languages English - C1 - Full professional proficiency; Czech - B1 - Intermediate;

Resume updated 2 June 2026 at 12:23
About me Technical skills: proficient in Excel, Tableau, Power BI. Advanced in SQL (Microsoft SQL Server,
PostgreSQL). Intermediate in Python (pandas, numpy, matplotlib, seaborn, streamlit, scikit-learn).

Personal skills: high-level investigative skills, ready for effective self-education, ability to interact
professionally and build relationships, results-driven, responsible.

Resume updated 2 June 2026 at 12:23