Description:

Kyivstar.Tech is seeking a Backend Developer to join their Product Development Team.
The role offers the advantages of working in a product team, including versatile projects, independence, influence on development direction, and growth opportunities.
Kyivstar.Tech is a Ukrainian hybrid IT company and a subsidiary of Kyivstar, one of Ukraine's largest telecom operators.
The company's mission is to create technological solutions that unleash business potential and meet user needs.
The team consists of over 500 specialists working in mobile and web solutions, design, development, support, and technical maintenance of high-performance systems and services.
The company values innovation and an entrepreneurial culture that fosters continuous evolution and creativity.
Responsibilities include collaborating with the development team, Product Owner, and CTO on product tasks, selecting and implementing necessary tools and technologies, designing and implementing application architecture, conducting code reviews, and writing efficient code.

Requirements:

A minimum of 2 years of experience with Spring, including Core, MVC, Security, and Boot.
Understanding of microservices architecture, Event Sourcing, CQRS, and DDD.
At least 2 years of experience in developing Restful services (REST).
Proficiency in persistence frameworks such as Spring Data and Hibernate for at least 2 years.
Experience with branch-based workflow using git.
Familiarity with messaging systems like ActiveMQ or JMS.
Thorough understanding of RDBMS (MySQL, PostgreSQL, Oracle) and non-RDBMS (Cassandra).
Experience with unit testing using JUnit and Mockito.
At least 1 year of experience with Docker containers in production.
Strong understanding and application of SOLID principles and software design patterns.
Experience with continuous integration principles and tools.
Knowledge of highload systems is a plus.

The position offers the flexibility to work from the office or remotely, with arrangements for your workplace.
Remote onboarding is provided for new employees.
Performance bonuses are available for all employees, either annually or quarterly, depending on the role.
The company invests in employee training through a library, internal resources, and partner programs.
Health and life insurance are included as part of the benefits package.
A wellbeing program and access to a corporate psychologist are offered to support employee mental health.
Reimbursement of expenses for Kyivstar mobile communication is provided.