Posted 3 h ago

Senior Java Developer (Smart Home)

Posted by Ajax Systems on 4 November 2026. Still on their Lever board when we checked 28 min ago. Ajax Systems has posted this exact title once before. Half of Ajax Systems's roles come down within 91 days.

senior5+ yrsFull time

What the posting is about

Join Ajax Systems, a leading European tech company, as a Senior Java Developer. Contribute to our System Division, building and maintaining our software ecosystem. Collaborate with a diverse team using Java, Kotlin, Swift, C, C++, and Python. Ensure our systems operate seamlessly as a unified digital platform.

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Read out of the posting

Levelsenior

Experience asked5+ years

EmploymentFull time

LocationLviv

RemoteNot stated

Visa sponsorshipNot stated

SalaryNot published, and most postings do not

Posted2026-11-04

Found vialever, direct from their system

We had it within the hour it went up.

The posting, as the company wrote it

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe. We are looking for a new team member to join our System devisions as Java Developer. The System Division is responsible for building and developing the Ajax software ecosystem. The team develops and maintains OS Malevich and the Video Management System, builds scalable cloud infrastructure, and creates client applications for multiple platforms, ensuring that all system components work together as a unified ecosystem. The division works with Java, Kotlin, Swift, C, C++, and Python. It includes embedded, cloud, mobile, and desktop engineers who ensure the stable operation of Ajax as a single digital platform. Required skills: 5+ years of commercial experience in backend development with Java in an enterprise environment. Strong understanding of Java Concurrency and hands-on experience with concurrent programming in production systems. Solid understanding of SOA, microservices and event-driven architecture. Practical experience with cloud computing platforms. Experience building and supporting high-load, scalable and highly available systems; Hands-on experience with messaging brokers. Strong understanding of modern backend infrastructure, NoSQL, key-value databases and in-memory storage solutions. Practical experience with Kubernetes. Experience with Git, Gradle or othet CI/CD tools. Strong knowledge of unit testing and automated testing approaches Would be a plus:

Copied from Ajax Systems’s own board, not rewritten.

Also open at Ajax Systems

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