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Middle Java Developer (Big Data)

Kyivstar / Киевстар
Телекомунікації / Зв'язок

    Kyivstar as a telecom operator has a huge amount of data sources, that allows us to provide new opportunities to our external and internal clients. Our BigData platform built on open source technologies, the systems handle billions of records daily, generating terabytes of data.We are continuously delivering new data products to the market and have experienced significant growth. Now we are expanding our Big Data team and are looking for a Middle Java Developer  who will be responsible for developing real-time data processing applications, and web services for data management platform. 

    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; 
    • A competitive salary; 
    • Annual bonus 
    • Paid sick leave and vacation 
    • Financial aid in different life situations  
    • Possibility to work remotely at regular intervals 
    • Flexible working hours 
    • Medical and life insurance; 
    • Great possibilities for professional development and career growth; 
    • Friendly & Collaborative Environment.   


    •  2+ years professional experience in software development
    •  Strong OOP design skills and FP basics
    •  Knowledge of Java (8+) Core (collections, concurrency, etc)
    • Spring framework hands-on experience (Boot, MVC, Data/JPA, Cloud is a plus)
    • Restful services (REST) dev experience (2+ year);
    • Thorough understanding of RDBMS: PostgreSQL, MySQL as well as understanding of NoSQL DBs (key-value, document-oriented, columnar...)
    • Experience with continuous integration as is (principles, instruments)
    • Understanding of Docker/Kubernetes concepts
    • Understanding of *nix like systems 
    • Understanding of Stream Data and Big Data processing is a plus
    • Front-end skills (JS/React/Angular, HTML/CSS/Bootstrap) is a plus


    • Collaborate with development team, DevOps, Product Owner
    • Selection and implementation of the necessary tools, technologies, and techniques.
    • Designing architecture of an application
    • Developing application for data processing and exposing, following best practices and design principles. 
    • Code review and code quality control
    • Troubleshooting and performance optimization.