Senior Java Developer

Ajax Systems
Ukraine
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 8+ yearsSkills: ["Continuous delivery","Engineering culture","Collaboration","Ownership","Problem-solving"]

Design and build core backend services and data pipelines, delivering clean, production-ready code with strong testing discipline. Help shape backend architecture and make technical decisions to support reliable deployment and operations. Own performance, scalability, and cost efficiency, and maintain production reliability through monitoring, alerts, dashboards, and runbooks. Tackle complex production incidents, collaborate with product and engineering teams to ship features, and work in a DevOps/continuous delivery engineering culture.

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FursaFursa
Ajax Systems
Ajax Systems
1 day ago

Senior Java Developer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 18 hours agoStatus: Live
Reposted: similar role first listed 8 months ago

Job Summary

Design and build core backend services and data pipelines, delivering clean, production-ready code with strong testing discipline. Help shape backend architecture and make technical decisions to support reliable deployment and operations. Own performance, scalability, and cost efficiency, and maintain production reliability through monitoring, alerts, dashboards, and runbooks. Tackle complex production incidents, collaborate with product and engineering teams to ship features, and work in a DevOps/continuous delivery engineering culture.
Location: Ukraine
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and develop core backend services and data pipelines for the product line.
  • •Build clean, maintainable, production-ready code with a strong focus on quality and test coverage.
  • •Contribute to backend architecture and drive technical decisions with documentation for reliable deployment and operations.
  • •Own performance, scalability, and cost efficiency within your domain.
  • •Maintain production reliability via monitoring, alerting, dashboards, and runbooks; investigate and resolve production issues.

Pay and Benefits

Perks:Health InsuranceEnglish Classes

Key Requirements

  • •8+ years of commercial backend development experience with Java in an enterprise environment.
  • •Strong knowledge of Java concurrency and practical concurrent programming in production systems.
  • •Experience with SOA, microservices, and event-driven architecture.
  • •Hands-on experience with cloud computing platforms and building/supporting high-load, scalable, highly available systems.
  • •Practical experience with Kubernetes and automated unit/integration testing approaches.
Experience:8+ yearsEnterprise softwareB2BBackend development
Skills:Continuous deliveryEngineering cultureCollaborationOwnershipProblem-solving
Tech Stack:JavaRedisNettyAkkaNATSAWSKafkaMongoDBGRPCKotlinKubernetesGitGradleCI/CDSOAMicroservicesEvent-driven architectureNoSQLKey-value databasesIn-memory storage

Company Brief

Ajax Systems
Designs and manufactures wireless professional security systems and smart home devices, including alarms, sensors, cameras, and communication hubs, sold globally for residential and commercial security and IoT integration.
Industry: Surveillance & Security Hardware
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: Kyiv, Ukraine
Founded: 2011
WebsiteLinkedIn