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We are looking for a Middle QA Engineer to join our team and help improve a complex multi-tenant web platform used by professional users to monitor, analyze, and manage operational and financial data. The system includes real-time data streaming, trade and position analytics, shared data modules, and an Excel Add-In that extends the platform’s core functionality. You will work in a cross-functional team on a long-term product that is actively evolving and growing in features and complexity.
Job Responsibility:
Test a multi-module web application that enables users to view, manage, and analyze large sets of operational and analytical data
Validate data accuracy, risk calculations, and business logic across several interconnected modules
Test real-time updates delivered via SignalR, ensuring correct synchronization across users and sessions
Collaborate closely with developers, Team Lead, and PM to clarify requirements and influence product quality
Create and maintain test documentation (test cases, checklists, test suites)
Perform functional, regression, integration, UI/UX, and exploratory testing
Test communication flows between distributed services, background jobs, and APIs
Participate in testing the Excel Add-In and ensure its correct integration with the main application
Provide detailed bug reports and assist the team during investigation
Contribute to continuous improvement of QA workflows and overall product reliability
Requirements:
2.5+ years of experience in QA for web applications
Strong understanding of testing methodologies, SDLC, and QA processes
Hands-on experience testing systems with real-time data updates (SignalR/WebSockets/SSE or similar)
Proficiency with REST API testing tools (Postman, Swagger, etc.)
Solid SQL knowledge for validating data integrity and performing complex queries
Experience working with distributed or multi-module systems
Ability to read logs, investigate issues, and collaborate with developers on root-cause analysis
Understanding of client–server architecture and asynchronous processing
Experience with Jira, TestRail, or similar tools
Upper Intermediate+ English level
Nice to have:
Experience with message brokers (RabbitMQ, Kafka, etc.)
Familiarity with background processing tools (e.g., Hangfire)
Experience testing desktop components or Excel Add-Ins
Domain knowledge in trading, financial analytics, or brokerage systems
Basic understanding of cloud platforms (Azure preferred)
Experience with automation (API or UI) will be a plus
What we offer:
Opportunity to work on a long-term, business-critical product with complex logic and real-time processing
Collaboration with a strong engineering team and supportive leadership
Room for professional growth, knowledge sharing, and exposure to advanced technologies
Flexible schedule and remote-friendly environment
Competitive compensation and transparent performance culture
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