Konstantin Nenakhov

Luxoft is a subsidiary of DXC Technology, which provides digital strategy and software development services to large • Optimized a Power BI sales dashboard by replacing default visuals with a custom HTML Content component, reducing average load time by 38% for executive users; • Leveraged AI capabilities to analyze and consolidate two complex semantic models, eliminating data redundancy and simplifying the model; Tech stack: Power BI, DAX, Power Query M, Semantic model, Databricks, DBT, Snowflake

Future solutions is consulting services on Serbia. The part of a DWH migration project for MegaMarket company Work in the development team • Led the end-to-end migration of a legacy DWH (based on MS SQL Server 2019) to a modern Greenplum (MPP) platform for a major e-commerce client, improving query performance on large datasets by an average of 5x; • Architected and implemented the new DWH structure using Data Vault 2.0 principles and managed the data transition with DBT and Airflow orchestration;

MegaMarket is multi-category marketplace with more than 10 million SKU from 8,000 stores and 500,000 orders per day. • Managed and mentored a data team (up to 9 people) BI and DWH developers, responsible for hiring, onboarding, and performance management; • Improved team delivery discipline, with more then 90 percent of planned sprint tasks completed in most sprints; • Drove the migration of 20+ business-critical legacy reports from SSRS to Power BI;

MegaMarket is multi-category marketplace with more than 10 million SKU from 8k stores and 500k orders per day. Work in the development team • Developed and maintained core ETL processes using SSIS and T-SQL to load data from multiple sources into the DWH for a platform experiencing rapid user growth; • Designed and implemented new data models using Anchor modeling principles to support the launch of new product categories; • Supported users with ad-hoc, reporting issues, and data quality questions;

Aeroclub is a leader in business travel management in Russia Work in the development team • Developed a Power BI dashboard for the sales team to track flight booking trends, which helped to reduce the cost of flights for customers and boost profits; • Delivered SQL deep training sessions for over 10 business users, empowering them to perform their own basic data analysis; • Optimized key ETL packages (SSIS), reducing nightly data load times by over 10%;

Sber is #1 Eastern Europe Bank, 250,000+ employees | 100+ million clients. SberTech is a technological subsidiary Work in the development team • Сreated a dashboard for HR on the indicators of processing job applications • Built and maintained a unified dashboard for several buildings for project time tracking across several departments; • Developed an HR recruitment dashboard in SSRS, providing visibility into the candidate pipeline and reducing errors by 15 percent;

Ozon is a leading market player and one of the most valuable Russian internet companies, according to Forbes. Work in the development team • Creation of backend procedures for API for integration of external agents • Creation of backend procedures for integration with an external delivery service provider • Transfer of internal processes from the old accounting system to the new one Tech stack: MS SQL Server 2014, TFS , Jira, Confluence

ADV is the leading communication group in Russia and is the partner of international holdings of IPG and Havas. Single development • Implementation and adaptation of a boxed solution in one of the agencies • Reduced costs and fines due to process automation • Automation of obtaining data from the banking system for the correct display of transactions Tech stack: MS SQL Server 2008, Fast Report 5

Logistics company MOLCOM is all-round support for sales of producers, trading networks and distributors. Work in the development team • Customization of a standard project according to the needs of the client • Support for more than 40 clients for a full storage cycle • Fine-tuning billing for accurate calculations of the cost of storage and additional operations Tech stack: MS SQL Server 2005, Crystal Report 8.0, Fast Report .net, Excel + VBA