
Vladislav
Data Analyst, SQL, Clearing data, Tableau, Viz, Tech Support, IT Consult
Habilidades

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Porfolio
Experiencia laboral
DATA ANALYST
Freelancing Career • Freelance
Mar 2025 - Present • 1 yr 2 mos
- Developed Tableau dashboards to monitor sales trends and key business metrics across retail and SaaS domains. - Wrote SQL queries (aggregations, subqueries, window functions) in BigQuery and PostgreSQL for revenue and funnel analysis. - Conducted A/B testing using Python - performed statistical hypothesis testing and provided data-driven recommendations.
IT Specialist / System Administrator
Treasury Funds • Tiempo completo
Jan 2012 - Present • 14 yrs 4 mos
IT AND CYBERSECURITY SPECIALIST - Analyzed user infrastructure needs and formulated technical specifications for Prozorro e-procurement tenders. - Maintained the local domain network (Windows AD), ensuring uptime for critical financial operations. - Automated financial data processing using Bash scripting, reducing manual workload and improving operational efficiency. - Implemented centralized data backup and a comprehensive data protection system, resulting in rapid recovery of all critical information after a cyberattack.