Senior QA Engineer; Native Apps

We are looking for a Senior QA Engineer to join a stable American EdTech corporation that has been a market leader since the 1990s. You will be responsible for ensuring the quality of high-traffic native applications (iOS, Android, and Desktop) used by millions of users worldwide.

We need a fundamental engineer who understands client-server architecture, can dive deep into microservices, and isn't afraid to analyze logs to find the root cause of an issue.

• Long-term B2B contract with a US-based entity
• 100% Remote (GMT 0 - GMT+2 zone)
• Russian/Ukrainian for internal communication;
  English for documentation and syncs with the US office
• 70% Manual / 30% Automation

• Perform end-to-end testing of native iOS, Android, and Desktop applications
• Validate complex client-server interactions, including data synchronization and offline modes
• Conduct deep-dive debugging using Charles Proxy, Xcode, Android Studio, and Linux CLI
• Analyze backend logs (Kibana, Grafana) to investigate distributed system issues
• Maintain and extend the existing automation framework using Ruby and RSpec
• Collaborate closely with US-based product teams and local developers in an Agile environment

• 5+ years in QA, with a strong focus on Native Mobile applications
• Strong understanding of HTTP, REST API, JSON, and microservices
• Proficiency with sniffing tools (Charles/Fiddler) and mobile debugging (ADB, Logcat)
• Experience with any automation stack and a willingness to work with Ruby
• Familiarity with Linux command line and Docker
• Upper-Intermediate English or higher

• Join a team where the average engineer tenure is 5+ years
• Work on a product that impacts millions of students and educators
• Access to modern tools and a highly technical engineering culture
• Budget up to $3,500 per month