📢 QA Engineer
🏢 DataArt
📍 Armenia
🔄 #FullTime
🗂️ #InformationTechnology
📝 Responsibilities
- Own end-to-end testing of client’s backend services (cloud)
- Design and execute test scenarios covering full data flows from sensor ingestion through detection, storage, and response
- Validate inter-service communication across microservices and distributed components
- Test API contracts, backward compatibility, and cross-version interoperability
- Validate system behavior under partial failures such as service restarts, network partitions, and degraded dependencies
- Execute functional, regression, and exploratory testing across backend services
- Perform data validation across databases, queues, caches, and analytics layers
- Analyze logs, metrics, and traces to identify root causes of system-level issues
- Validate fixes and participate in release readiness and go/no-go decisions
- Collaborate closely with backend engineers, DevOps, and product teams
✅ Requirements
- Strong experience testing server-side systems and distributed architectures
- Understanding of microservices, asynchronous processing, and event-driven systems
- Experience with APIs and service-to-service communication
- Familiarity with message brokers (Kafka, RabbitMQ, etc), queues, or streaming systems
- Experience validating data in: Relational databases, NoSQL / key-value stores
- Ability to write SQL and data validation queries
- Understanding of data consistency, retention, and lifecycle
- Strong system-level thinking and attention to detail
- Ability to work independently and take ownership of quality
- Experience with end-to-end system testing
- Familiarity with CI/CD pipelines and automated testing
- Experience with scripting or automation (Python, Bash, PowerShell, etc.)
- Clear communication with engineering and cross-functional teams
- Comfortable working across multiple teams and disciplines
🌟 Nice to Haves
- Experience with cloud environments (AWS, GCP, OCI, or similar)
- Familiarity with deployment strategies such as blue-green or canary
- Experience testing cybersecurity products, EDR, or large-scale data platforms
- Understanding of security telemetry, detection pipelines, and alerting systems
- Familiarity with access control, authentication, and authorization flows
- Experience validating upgrades and migrations
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