Iaroslav Beliaev

Experience

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  BARS GROUP

  Mar 2016 - May 2016

  Business Analyst Trainee

  Worked on a project for the Ministry of Finance of the Russian Federation.

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  X5 Group

  Jul 2016 - Feb 2018

  Data Analyst

  X5 Group is a leading Russian food retailer.𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:- Built sales forecasts.- Conducted plan-to-fact analyses.- Collected and analysed data related to sales, customer behaviour, market trends and external factors that may affect demand.- Interacted with inventory and supply chain teams to ensure optimal inventory levels.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:- Developed VBA macros and SQL scripts to automate data processing tasks, reducing analysis time by 200%.- Automated the process of planning supply chains of promotional products for 5 weeks in advance.- Automated the process of distributing goods to cross-docking warehouses. Show less

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  Sberbank

  Feb 2018 - Mar 2021

  Senior Analyst

  Sber is the largest bank in Russia with more than 100 million active customers. Sber is also a digital platform encompassing Finance, B2B services, Foodtech, Health, E-commerce and more.𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:- Analyzed data quality when migrating from legacy to target systems.- Conducted comprehensive "as-is" data and business process analyses with business teams and presented developed modernisation recommendations to senior management.- Gathered, analysed, formalised data quality requirements, data profiling.- Analyzed data quality defects (both data and process side).- Performed data cleansing and validation to ensure data integrity.- Developed a data quality monitoring system.- Analysed processes affecting data, looking for problems and effective ways to resolve them.- Managed ad-hoc analyses using various technical tools to produce information in the shortest possible time.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:- Developed various dashboards to emphasise different ideas to improve data quality with different product owners and team members.- Created architecture for new monitoring system.- Recruited and trained new team members and coached two old members.- Developed several hundred SQL scripts to check data quality (from simple to queries, using window functions or regular expressions).- Created a knowledge base in Confluence.- Implemented Agile practices within the team (Scrum).- Structured and optimised the process of preparing large data sets, saving time on day-to-day activities. Show less

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  Tinkoff

  Mar 2021 - Mar 2024

  Business System Analyst

  Tinkoff is a Russian financial holding company that offers a wide range of banking, insurance, investment, and mobile services with a focus on digital technology and user convenience.𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:- Managed a cross-functional team of developers, QA engineers and analysts.- Monitored project progress, resolving bottlenecks, and providingregular updates to stakeholders.- Gathered and documented functional and non-functional requirements, ensuringalignment with organizational objectives.- Defined and promoted the product vision, strategy and roadmap based on market research, customer feedback and business objectives.- Conducted acceptance testing (UAT) to ensure high quality releases that meet customer expectations.- Analysed product performance and user feedback to identify opportunities for improvement and guide future product enhancements.𝐊𝐞𝐲 𝐀𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡𝐦𝐞𝐧𝐭𝐬:- Improved customer engagement by 20% by launching a featurebased on user feedback.- Hired and integrated many people into the team.- Supported the implementation of our backend system on more than 80 screens across Bank, Investment, SME (Small and medium-sized enterprises), Mobile (MVNO) Apps and websites.- Developed 2 online courses on our systems for onboarding new users (marketing analysts).- Implemented the documentation through GitLab Pages. Show less