Senior Java Developer (Business Excellence)
Ajax Systems8 days ago
Kyiv, UkraineSenior
Responsibilities
- Design and develop core backend services and data pipelines for the product line.
- Write clean, maintainable, production-ready code with a strong focus on quality.
- Contribute to backend architecture, drive technical decisions, and document solutions for reliable deployment and operations.
- Ensure appropriate coverage with unit and integration tests.
- Own performance, scalability, and cost efficiency within the assigned domain.
- Maintain production reliability through monitoring, alerting, dashboards, and runbooks.
- Investigate and resolve production issues, including complex cases requiring deep analysis.
- Collaborate with product and engineering teams to deliver new features and improve existing services.
Requirements
- At least 5 years of commercial backend development experience with Java in an enterprise environment.
- Strong understanding of Java concurrency and hands-on production experience with concurrent programming.
- Understanding of SOA, microservices, and event-driven architecture.
- Practical experience with cloud computing platforms and Kubernetes.
- Experience building and supporting high-load, scalable, and highly available systems.
- Hands-on experience with messaging brokers and modern backend infrastructure, including NoSQL, key-value databases, and in-memory storage solutions.
- Experience with Git, Gradle, or other CI/CD tools.
- Strong knowledge of unit testing and automated testing approaches.
- Preferred experience with Redis, Netty, Akka, NATS, AWS, Kafka, MongoDB, gRPC, or Kotlin.
- Desire to grow into a team leadership role.
Benefits
- Opportunity to suggest and implement ideas that directly influence the product and its mass production.
- Opportunity to join a fast-growing company with a motivated and professional team.
- Competitive salary.
- Medical insurance.
- English classes.
- Participation in Ajax’s internal beta-testing program for security systems.
- Discounts from partner companies and on Ajax products.
Tech Stack
Categories
About Ajax Systems
Ajax Systems builds wireless security systems and smart home devices for homes and businesses, sold through professional installers and distributors. Its portfolio spans intrusion detection, video surveillance, fire and life safety, and automation, used by over 4.5 million end users in more than 180 countries. Founded in 2011 and headquartered in Dubai, the privately held company manufactures across Ukraine, Turkey, and Vietnam.