Kyivstar

We are looking for talented Data Analyst with a passion for managing, analyzing and visualizing data to find actionable Insights and help improve outcomes for our business and internal customers.

Responsibilities:

•Deep-dive analysis of subscriber-data from large databases;

•Writing and running SQL queries to retrieve data from databases;

•Monitoring and auditing accuracy and completeness of collected data;

•Organizing data into usable formats;

•Generating information and insights from data and identifying trends and patterns;

•Conducting A/B tests to understand and evaluate quality of data models;

•Creating data dashboards, graphs and visualizations;

•Developing and maintaining automated data processes.

Requirements:

•Experience with SQL queries and data aggregation;

•Experience SQL / PLSQL programming;

•Excellent knowledge and confident Excel user;

•Skills to optimize SQL queries;

•Experience in developing analytical reports and interactive dashboard in Power BI;

•Financial and analytical data presentation skills;

•Gaining knowledge from a large amount of data;

•Basic knowledge of statistics;

•Jira, Confluence;

•Experience in Machine Learning and Big Data technologies (as a plus).

We offer:

•A unique experience of working for the largest and most beloved mobile operator in Ukraine;

•Real opportunity to ship digital products to millions of customers;

•Remote work with possibility to visit the office;

•Onboarding program which can help with fast on-line adaptation;

•A competitive salary;

•Annual bonus;

•Paid sick leave and vacation;

•Financial aid in different life situations;

•Flexible working hours;

•Medical and life insurance;

•Great possibilities for professional development and career growth;

•Friendly & collaborative environment.

We are seeking a highly motivated and detail-oriented Business Analyst to join our dynamic Big Data team to develop and implement Data Quality program. If you have a passion for data, a strong analytical mindset, and a desire to contribute to our data governance efforts, we want to hear from you.

As a Business Analyst, you will play a critical role in implementing data quality tools, rules and ensuring Big Data profiling and segmentation, as well as integrity, quality and reliability of our data assets.

Responsibilities:

•            Data profiling and anomaly detection

•            Defining and validating data quality rules and standards

•            Resolve data quality issues by collaborating with data engineers, data analysts and other relevant team

•            Implementing data quality tools and frameworks

•            Evaluate and integrate data from multiple sources

•            Develop analytical data sets in Big Data environments which can be used for analytics and data science

•            Providing technical expertise on data storage structures and data mining

•            Design and document data flows and data mappings 

•            Manage company’s datasets in Big Data environments

•            Aggregate and transform data for efficient data processing

•            Address user questions and issues related to the data management platform 

•            Establish data quality KPIs and monitoring dashboards

•            Conduct data quality assessments and root cause analysis

•            Create and maintain data lineage documentation

Requirements:

•            3+ years as Business Analyst, Data Analyst, Data Quality Engineer or relevant experience

•            Strong understanding of data quality principles and best practices

•            Familiarity with data profiling, data validation and data quality tools

•            The ability to write clear requirements and specifications

•            Understanding of structured, semi structured and unstructured datasets

•            Experience in database technologies with solid understanding and hands-on skills with SQL/Advanced SQL/Hive/ETL. PySpark, Python knowledge would be a plus

•            Should have worked on end-to-end solution development

•            Need to have understanding of data pipeline building

•            Excellent analytical, problem-solving, and communication skills

•            Previous Telecom experience and familiarity with BSS, OSS and Service Fulfilment functions would be a plus

•            Experience with Big Data platforms (Hadoop, Spark, cloud environments)

•            Knowledge of data governance frameworks and regulatory compliance · Understanding of data quality dimensions (accuracy, completeness, consistency, timeliness)

•            Previous Telecom experience and familiarity with BSS, OSS and Service Fulfilment functions would be a plus

We offer: 

•            A unique experience of working for the largest and most beloved mobile operator in Ukraine

•            Remote work with possibility to visit the office

•            A competitive salary

•            Annual bonus

•            Paid sick leave and vacation

•            Flexible working hours

•            Medical and life insurance

•            Great possibilities for professional development and career growth

•            Friendly & collaborative environment

We are starting a new team focused on lead generation and user acquisition for external B2B clients via Telecom-based and Digital marketing channels. To strengthen this direction, we are looking for a skilled Senior User Acquisition Manager to lead campaign strategy and execution, ensuring performance-driven growth for our clients.

Responsibilities:

•Plan, launch, and scale user acquisition campaigns with our proprietary Big Data tools and services

•Independently manage full-cycle campaigns: from strategy to execution and continuous optimization

•Analyze performance data to ensure strong ROI and effective budget allocation

•Develop, test, and optimize creative strategies, funnels, and messaging across channels

•Conduct market and competitor research to identify emerging trends and growth opportunities

•Optimize existing channels and test new ones to improve acquisition metrics

•Mentor and train a team of user acquisition managers

•Deliver consistent, positive results while maintaining cost-efficiency

Requirements:

•Proven track record in managing performance-based user acquisition campaigns (CPA model), particularly in e-commerce, banking or insurance verticals

•Experience in leading marketing or user acquisition team

•Solid understanding of conversion tracking, analytics, and campaign optimization techniques

•Experience with Telecom-based channels (SMS/Viber) driving traffic to digital destinations

•Hands-on expertise with Google Ads, Facebook Ads, and performance marketing tools

•Proficiency with BI tools such as Power BI, Tableau or Google Data Studio

•SQL knowledge is a plus

•Analytical mindset, self-starter attitude, and a strong focus on delivering profitable outcomes

•Ability to work autonomously and take full ownership of campaigns

We offer: 

•A unique opportunity to build a new business direction within Ukraine’s largest and most trusted mobile operator

•Remote work format with optional office visits

•Competitive salary and quarterly performance bonus

•Paid sick leave and vacation

•Flexible working hours

•Comprehensive medical and life insurance

•Opportunities for professional growth and career development

•Friendly, supportive, and collaborative team environment