Київстар · 2 hours ago
Back-end Developer (Java)
United States
Full-time
Remote
Mid Level
3+ years expKyivstar.Tech is a Ukrainian hybrid IT company and a subsidiary of Kyivstar, one of Ukraine's largest telecom operators. They are seeking a Backend Developer to join their Product Development Team, where the role involves collaborating on product tasks, implementing necessary tools and technologies, and ensuring code quality.
Telecommunications
Responsibilities
Collaborate with development team, Product Owner in real and interesting product tasks
Selection and implementation of the necessary tools, technologies, and techniques
Designing and implementing architecture of an application
Code review and code quality control over formed standards of development
Writing efficient code
Qualification
Required
Strong experience with Spring Core, MVC, Security, and Boot (3+ years)
Hands-on experience with Spring Data and Hibernate (3+ years)
Solid understanding of microservices architecture
Familiarity with Event Sourcing, CQRS, and Domain-Driven Design (DDD)
Strong understanding and practical application of SOLID principles and design patterns
Proven experience in developing RESTful services (3+ years)
Practical experience working with messaging systems such as ActiveMQ or JMS
Excellent knowledge of relational databases (MySQL, PostgreSQL, Oracle)
Experience with non-relational databases (e.g., Cassandra)
Proficiency with Git and branch-based workflows
Experience in setting up and maintaining Docker containers in production environments
Understanding of continuous integration principles and tools
Experience with unit testing frameworks such as JUnit and Mockito
Benefits
Office or remote — it’s up to you. You can work from anywhere, and we will arrange your workplace
Remote onboarding
Performance bonuses
We train employees with the opportunity to learn through the company’s library, internal resources, and programs from partners
Health and life insurance
Wellbeing program and corporate psychologist
Reimbursement of expenses for Kyivstar mobile communication
Company
Київстар
Київстар – найбільший український оператор електронних комунікацій, що станом на березень 2023 року обслуговував 24,3 млн абонентів мобільного зв’язку та понад 1,1 млн абонентів «Домашнього інтернету».
1001-5000 employees
Funding
Current Stage
Public CompanyTotal Funding
$600MKey Investors
VEON
2025-08-15IPO
2025-08-13Acquired
2023-06-21Corporate Round· $600M
Recent News
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2026-01-20
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