Big Data Analyst

Data AnalystWe are looking for a Data Analyst to work with large-scale datasets in a cloud environment using SQL (Trino) and PySpark. The role focuses on building datasets, identifying application hosts, and creating audience segments based on user behavior.Responsibilities:Querying and processing large datasets using Trino (SQL)Working with data in AWS environment using PySparkIdentifying and analyzing application hosts / domains based on traffic dataBuilding audience segments based on website activity, call data, behavioral patterns and segment rulesMonitoring and auditing accuracy and completeness of collected dataOrganizing data into usable formatsCreating basic visualizations and reports (Power BI or similar)Generating information and insights from data and identifying trends and patternsConducting A/B tests to understand and evaluate quality of data modelsDeveloping and maintaining automated data processesRequirements:Strong experience with SQL (Trino, Presto, or similar)Experience working with large-scale datasets in distributed environments (AWS, PySpark)Excellent knowledge and confident Excel userHigh attention to detailsGaining knowledge from a large amount of dataBasic knowledge of statisticsExperience with Power BI or other BI toolsStrong analytical thinking and problem-solving skillsFamiliarity with Jira, ConfluenceWill be a plus:Experience with telecom dataUnderstanding of web/app traffic and domain classificationKnowledge of PythonWe offer:Work in one of the largest and most beloved telecom company in UkraineOpportunity to work with large-scale real-world dataRemote work with possibility to visit the officeFlexible working hoursOnboarding program which can help with fast on-line adaptationCompetitive salary and annual bonusPaid vacation and sick leaveMedical and life insuranceFinancial aid in different life situationsGreat possibilities for professional development and career growthFriendly and collaborative team environment