Middle/Senior Java Developer (Video Integration Team)

Team: System Department

Location: Lviv

Commitment: Full-time

Workplace Type: onsite

Responsibilities:

Core Development:
Design and implement core backend services and data pipelines
Write clean, readable, and maintainable code
Develop services for the b2b product line
Architecture & Documentation:
Actively participate in developing and improving architecture
Document architectural decisions and operational knowledge for successful deployment and service operations
Quality Assurance:
Ensure appropriate test coverage with unit and integration testing
Focus on performance and cost efficiency for areas of responsibility
Follow best practices in software design and development and promote them within the team
Operations & Monitoring:
Ensure reliable alerting, dashboards, and runbooks for production services
Debug production issues, analyze complex cases, and conduct investigations
Collaboration & Culture:
Work smoothly in a technical culture with testing, CD, and DevOps
Collaborate within the team and with other engineering teams to develop new features and products according to business needs

Requirements:

Java: 3+ years of professional backend development in enterprise environment
Kotlin: Knowledge and practical work experience
Java Concurrency: Strong understanding and practical application experience
Understanding of SOA, microservice, and event-driven architecture
Cloud development principles with practical AWS experience
Ability to scale and ensure high availability of loaded systems

Required:

Any NoSQL database
Any message broker
Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)
Docker and Kubernetes (containerized applications)
Git, Gradle, Jenkins

Nice to Have:

Redis, Netty, Akka, gRPC, Project Reactor, NATS, Kafka. MongoDB
Strong knowledge of unit testing and automated test paradigms

We offer:

The opportunity to suggest and implement your own ideas that directly influence the product and its mass production

A place in a fast-growing company with a motivated and professional team

Competitive salary

Medical insurance

English classes

The opportunity to participate in Ajax’s internal beta-testing program for security systems 

Discounts from partner companies

Discounts on Ajax products


Ajax Systems is a Ukrainian success story that has grown into a global product. Ajax devices are trusted by more than 4.5 million end users and 330,000 PRO users in over 180 countries. The company provides comprehensive solutions to protect residential and commercial properties of all sizes. Today, Ajax portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation.