Backend Developer (Java)
Full-Time (Full Remote)Job Overview
About us
Kyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of Ukraine’s largest telecom operators. Our mission is to transform lives in Ukraine and beyond by creating innovative technological solutions that unleash the potential of businesses while meeting evolving user needs.
With over 600 specialists working across diverse domains—from mobile and web solutions to the design, development, support, and maintenance of high-performance systems—we are committed to driving meaningful change. We embrace an entrepreneurial culture that fosters continuous growth, challenges conventional thinking, and inspires the creation of transformative products.
About us
Kyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of Ukraine’s largest telecom operators. Our mission is to transform lives in Ukraine and beyond by creating innovative technological solutions that unleash the potential of businesses while meeting evolving user needs.
With over 600 specialists working across diverse domains—from mobile and web solutions to the design, development, support, and maintenance of high-performance systems—we are committed to driving meaningful change. We embrace an entrepreneurial culture that fosters continuous growth, challenges conventional thinking, and inspires the creation of transformative products.
What you will do
Selection and implementation of the necessary tools, technologies, and techniques
Designing and implementing the architecture of an application
Code review and code quality control over the formed standards of development
Writing efficient code
Qualifications and experience needed
Microservices architecture understanding + understanding of Event Sourcing, CQRS, and DDD
Restful services (REST) dev experience (2+ years)
Persistence frameworks: Spring: Spring Data, Hibernate (2+ years)
Experience in branch-based workflow (git)
Messaging: ActiveMQ / JMS
Thorough understanding of RDBS: MySQL, PostgreSQL, Oracle, and non-RDBMS like Cassandra
Unit testing with JUnit and Mockito
Experience with Docker containers in production (1+ year)
Strong understanding | usage of SOLID principles and software design patterns
Experience with continuous integration as is (principles, instruments)