The Role
Design and implement backend services and data pipelines, write clean code, ensure system performance, and debug production issues. Collaborate with teams to develop new features.
Summary Generated by Built In
Ajax Systems is an international technological company and Europe’s largest security system manufacturer. In addition, the company offers solutions for video surveillance, smart homes, fire detection, and flood prevention. The product portfolio includes 180 wireless and wired devices for security and automation. Today, Ajax protects over 3.5 million users in 187 countries worldwide. The company employs 4,100 specialist.
We are looking for a smart, experienced, and technically proficient Senior Java Developer.
Responsibilities:
- Design and implement core backend services and data pipelines
- Write clean, readable, and maintainable code
- Develop services for the B2B product line
- Actively participate in developing and improving the architecture
- Document architectural decisions and operational knowledge for successful deployment and service operations
- Ensure appropriate test coverage with unit and integration testing
- Focus on performance and cost efficiency within your areas of responsibility
- Follow best practices in software design and development and promote them within the team
- Ensure reliable alerting, dashboards, and runbooks for production services
- Debug production issues, analyze complex cases, and conduct investigations
- Work smoothly in a technical culture with testing, CI/CD, and DevOps
- Collaborate within the team and with other engineering teams to develop new features and products according to business needs
Required Experience:
- Java: 6+ years of professional backend development in an enterprise environment
- Java Concurrency: strong understanding and practical hands-on experience
- Understanding of SOA, microservices, and event-driven architecture
- Cloud development principles with practical AWS experience
- Ability to scale and ensure high availability of high-load systems
Technical Requirements:
- Kafka, MongoDB, Redis
- Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)
- Docker and Kubernetes (containerized applications)
- Spring
- Git, Gradle
Nice to Have:
- Kotlin: knowledge and practical work experience
- Netty, gRPC, Project Reactor, NATS
- Strong knowledge of unit testing and automated testing paradigms
We offer:
- the opportunity to share and implement your own ideas that could impact products and production
- work with a motivated team and an environment with a zero-bullshit culture
- competitive salary
- medical insurance
- corporate English classes
- compensation for professional training
- the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release
Top Skills
AWS
Docker
Git
Gradle
Java
Kafka
Kubernetes
MongoDB
Redis
Spring
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The Company
What We Do
The largest manufacturer of security systems in Europe. Designed and developed in Ukraine
