Backend Developer (Java)

TL;DR

Backend Developer (Java): Designing and implementing application architecture for high-performance product systems with an accent on microservices, event sourcing, CQRS, and DDD. Focus on building efficient RESTful services, optimizing high-load systems, and ensuring code quality through reviews and standards.

Location: Full remote, work from anywhere (office optional)

Company

Ukrainian hybrid IT company and subsidiary of Kyivstar telecom operator, building mobile/web solutions and high-performance systems across diverse domains.

What you will do

• Collaborate with development team, Product Owner, and Engineering Manager on real product tasks
• Select and implement tools, technologies, and techniques
• Design and implement application architecture
• Conduct code reviews and control code quality per development standards
• Write efficient code

Requirements

• 2+ years with Spring: Core, MVC, Security, Boot
• Microservices architecture + Event Sourcing, CQRS, DDD
• Experience with high-load systems
• 2+ years RESTful services (REST)
• 2+ years persistence: Spring Data, Hibernate
• Branch-based workflow (git), ActiveMQ/JMS, RDBMS (MySQL, PostgreSQL, Oracle), non-RDBMS (Cassandra)
• Unit testing (JUnit, Mockito), Docker in production (1+ year), SOLID principles, design patterns, CI principles

Culture & Benefits

• Office or remote – your choice, remote onboarding
• Performance bonuses (annual/quarterly)
• Training via company library, internal resources, partner programs
• Health and life insurance, wellbeing program, corporate psychologist
• Reimbursement for Kyivstar mobile communication