QA Engineer
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Job Description
General QA Engineer testing APIs, microservices, and high-load telecom platforms at Kyivstar.Tech, a Ukrainian IT company. Automating tests, performing load testing, and managing regression coverage.
Responsibilities:
- Work in a cross-functional team with product managers, analysts, and developers on a high-load telecom platform
- Manage testing: planning, test scenario design, execution, follow-up, and control
- Perform API and integration testing across microservices
- Perform performance and load testing
- Automate tests and support existing test builds
- Perform regression testing
- Prepare testing reports and documentation
Requirements:
- 4+ years of relevant working experience as a QA Engineer with a backend focus
- Strong backend testing experience, including end-to-end data flow verification between services, databases, and message brokers
- Knowledge of automation tools and Java/TypeScript integrated into CI pipelines
- Performance testing experience, including load profiles, test execution, and interpreting latency, throughput, and error rates
- Requirements analysis skills
- Experience composing test strategies and test plans
- Knowledge of test design techniques
- Knowledge of testing methodologies
- SQL knowledge, including complex queries with joins and aggregations and data integrity checks
- Linux/UNIX command line experience, including log analysis and basic Bash
- Practical Git skills, including branching, merging, and code review
- Experience with MOCK-SERVER or a similar dependency-isolation tool
- Knowledge of TCP and HTTP
- Understanding of client-server and microservices architectures, inter-service communication, failure points, and idempotency
- Knowledge of Postman, IntelliJ IDEA, Atlassian stack (Jira, Confluence, Zephyr), GitLab, Jenkins, Kibana, and Grafana
- Higher technical education or equivalent relevant experience
- Ability to work in a fast-paced Agile environment in close collaboration with the development team
- Excellent analytical skills and critical mindset
- Strong communication and troubleshooting skills
- English spoken and written at intermediate level or higher
- Nice to have: Telecom domain experience, including billing, charging, or provisioning
- Nice to have: Kafka or RabbitMQ
- Nice to have: Docker and Kubernetes
- Nice to have: High-load systems experience
Benefits:
- Office or remote work options
- Workplace arrangement provided
- Remote onboarding
- Performance bonuses for everyone (annual or quarterly depending on the role)
- Company library, internal resources, and partner programs for learning
- Health and life insurance
- Wellbeing program
- Corporate psychologist
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