Senior Software Developer (Java)

TL;DR

Senior Software Developer (Java): Developing and maintaining scalable backend applications for critical telecommunications infrastructure with an accent on migrating legacy billing systems to a modern event-driven architecture. Focus on building microservices using Quarkus and Kafka to process millions of events daily.

Location: Must be based in Slovakia (Remote or Hybrid in Košice).

Salary: From €3,100/month (gross).

Company

hirify.global is a major IT service provider and a key member of the Košice IT Valley, transforming telecommunications through innovative technology.

What you will do

• Design and develop backend microservices in a cloud-native environment.
• Contribute to the migration of legacy billing logic into a modern Quarkus and Kafka streaming platform.
• Implement REST APIs and event-driven communication between services.
• Analyze requirements and propose robust, scalable architecture solutions.
• Collaborate with stakeholders to translate business needs into technical implementations.
• Support application operations, including troubleshooting, performance optimization, and L2/L3 support.

Requirements

• Must be based in Slovakia due to taxation regulations.
• Bachelor’s degree in Information Technology or higher.
• At least 5 years of professional software development experience.
• Advanced proficiency in Java backend development.
• Strong experience with microservices, distributed systems, and APIs.
• English proficiency: B2 (Upper intermediate).

Culture & Benefits

• Focus on work-life balance with over 25 different employee benefits.
• Support for professional learning and career development.
• Comprehensive health and sports programs.
• Family-friendly policies and flexible working environment.
• Opportunity to work on one of the top 100 most critical Telekom applications.