Senior Java Developer (Fibra)

TL;DR

Senior Java Developer (Fibra): Building and maintaining the Ajax software ecosystem with an accent on scalable cloud infrastructure and high-load system performance. Focus on developing robust backend services using Java and Kotlin, ensuring seamless integration across the company's security hardware and software platforms.

Location: On-site in Kyiv, Ukraine

Company

hirify.global is an international technology company and the largest manufacturer of security systems in Europe, providing comprehensive protection solutions for residential and commercial properties globally.

What you will do

• Develop and maintain the Ajax software ecosystem, including cloud infrastructure and system components.
• Design and implement scalable, high-availability backend services.
• Collaborate with embedded, mobile, and desktop engineering teams to ensure unified platform operation.
• Apply expertise in Java and Kotlin to build robust, enterprise-grade software solutions.
• Optimize system performance and ensure reliability for millions of end users.

Requirements

• 3+ years of professional backend development experience in an enterprise environment.
• Strong proficiency in Java and practical experience with Kotlin.
• Deep understanding of Java Concurrency.
• Experience with SOA, microservices, and event-driven architecture.
• Practical experience with AWS and cloud development principles.
• Proficiency with MongoDB, NATS, Docker, and Kubernetes.

Nice to have

• Experience with Redis, Netty, Akka, gRPC, and Project Reactor.

Culture & Benefits

• Opportunity to influence product development and mass production directly.
• Competitive salary and comprehensive medical insurance.
• Access to internal beta-testing programs for security systems.
• Professional growth in a fast-growing, motivated international team.
• Discounts on company products and partner services.
• English language classes provided.