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Experience level:
Education level:
Higher
Languages:
Russian: Native
English: B2
Serbian: A2
I was very interested to learn about the Data Analyst position at your company. My experience in data analysis, proficiency in SQL, Python, and data visualization tools (Power BI/Tableau) aligns closely with the requirements outlined in the job description.
In my previous role, I:
Automated weekly reporting processes, reducing preparation time by 30%.
Conducted an in-depth analysis of user behavior; the insights from this analysis formed the basis of an A/B test that increased conversion rates by 5%.
Developed interactive dashboards for monitoring key business metrics (LTV, Retention, ROI), enabling management to make faster, data-driven decisions.
I am confident that my skills and experience can add value to your team and am eager to discuss how I can contribute to your company’s goals.
Sincerely,
Andrei Suslov
Windows OS Administration: Managing system security, creating user accounts, and configuring remote access.
Hardware Maintenance: Repairing and servicing PCs, server equipment, and peripherals.
Network Management: Configuring and managing computer networks and routing.
Server Administration: Working with mail servers and telephony servers.
Technical Support: Providing technical assistance to company employees, helping to resolve issues with computer equipment and software.
Remote User Support: Assisting remote users with software installation and configuration.
Troubleshooting: Resolving faults in PCs, the local network, and routers.
Conducting special inspections and security checks.
Assembling, disassembling, and repairing technical equipment.
Working with measurement and control instrumentation.
Preparing reports and documentation based on the results of inspections and work performed.
Assembly and configuration of industrial servers
Software installation
Completing accompanying documentation
Developing and refining internal technical documentation for work processes, and monitoring compliance with technical specifications during task execution
Monitoring, gathering, and preparing information on the progress of repair and restoration work (RVR)
Conducting incoming and outgoing equipment inspections
Supported and developed ETL processes, optimized complex SQL queries.
Built dashboards in DataLens for operational metrics monitoring, reducing information retrieval time by 40%.
Conducted ad-hoc analyses based on business requests: assortment analysis, defect root cause analysis, and promotional campaign effectiveness evaluation.
Analyzing platform-wide average metrics.
Identifying issues and proposing solutions.
Participating in the implementation of new features/functionality in collaboration with the traffic-manager team.
Verifying campaign optimization methods for compliance with established rules and procedures.
Conducting A/B testing for the new product within the MTS Marketer system (Spy Service) on clients. The tests identified marginal strategies and functionality for use.
Studying labor costs for launching and managing campaigns to identify bottlenecks and propose improvements.
Researching and documenting case studies.
Presenting findings on a quarterly basis.
Completing ad-hoc tasks.
Automated weekly reporting on key metrics (GMV, LTV, conversion) using Python and Airflow, reducing preparation time from 1.5 days to 2 hours.
Developed a Power BI dashboard for monitoring financial performance across 500+ SKUs, enabling the procurement department to quickly identify unprofitable categories.
Analyzed results from 15+ A/B tests on the user interface, increasing conversion to the target action by 4.7%.
Developed and maintained SQL dashboards in Metabase to support marketing ad-hoc requests.
Programming & Scripting
Programming Languages: Python, Java, JavaScript
Paradigms: Object-Oriented Programming (OOP)
Web Fundamentals: HTML
Version Control: Git
Testing & Quality Assurance
Application Testing: Web application testing (front-end & back-end), mobile application testing
API Testing: Experience with Postman
Tools & Environments: Android Studio, Charles Proxy, Cygwin64 Terminal
Documentation: Ability to write test cases and checklists
Architecture: Understanding of client-server architecture
Data & Databases
Databases: SQL, PostgreSQL
Spreadsheets: MS Excel
Market Analysis: Market research and analysis
Information Security
Foundational knowledge and principles of Information Security
Soft Skills
Teamwork: Effective collaboration within a team
Communication: Business correspondence skills
Decision-Making: Ability to make informed decisions