Senior QA Engineer (High-Scale Enterprise Systems)

Position Overview: Riseup Labs is looking for an experienced Senior Quality Assurance (QA) Engineer to lead end-to-end testing of a high-scale, enterprise-level software system supporting large volumes of daily users and real-time transactions. The ideal candidate will ensure system reliability, performance, data accuracy, and production stability across multiple integrated services. Project Scope: The system includes: High-volume transactional processing (tens of thousands of users daily). Multi-service backend architecture (API-driven systems). Web and mobile application integration. Real-time data synchronization and reporting systems. Production-critical workflows with zero tolerance for data inconsistency. Key Responsibilities: Functional Testing Analyze business requirements and create detailed test plans and test cases. Perform end-to-end testing across multiple modules and services. Validate API integrations and system workflows across distributed services. Test Automation & Regression Develop and maintain automation test suites for regression coverage. Ensure continuous testing for critical business workflows. Improve overall QA efficiency through automation frameworks. Performance & Load Testing. Design and execute performance tests simulating high user loads and concurrent transactions. Identify system bottlenecks in APIs, databases, and service layers. Collaborate with DevOps and developers for performance optimization. Data Integrity & Validation Ensure consistency between transactional and reporting systems. Validate data synchronization across multiple databases and services. Detect and report data mismatches or sync failures. Defect Management Log, track, and manage defects with proper severity and prioritization. Perform root cause analysis (RCA) for critical production issues. Collaborate closely with development teams for fast resolution. Release & Deployment Support Support staging, UAT, and production releases. Conduct smoke, sanity, and regression testing before deployment. Provide go/no-go recommendations for releases. Required Skills & Experience Technical Skills 5–8+ years of experience in Software QA / Testing. Strong experience in API testing (Postman / REST / Swagger). Hands-on experience in test automation (Selenium / Cypress / Playwright preferred). Strong SQL skills for database validation (MySQL / PostgreSQL / MongoDB). Experience with performance testing tools (JMeter / k6 or similar). System Experience Experience testing large-scale, high-traffic applications. Understanding of distributed systems or microservices architecture. Experience working with CI/CD pipelines (Git-based workflows preferred). Must-Have Experience Testing systems with high concurrency and transactional load. Experience in production-critical enterprise applications. Strong analytical and debugging skills for complex systems. Experience across backend, API, and frontend testing. Soft Skills Strong ownership and accountability mindset. Excellent communication and collaboration skills. Ability to work under pressure in fast-paced environments. Detail-oriented with strong problem-solving ability. Workplace: Kazipara (on site) Working hour: 8.00 AM to 5.00 PM Salary: Negotiable (Based on experience and skills) Compensation and Benifits: (Applicable for Bangladeshi Employee Only) Annual Performance Evaluation and Increment Festival Bonus-02 (As Per Company Policy) Group Life and Health Insurance Full Subsidized Lunch/Dinner Annual Retreats Celebration of Events & Occasions Training & Development by Organization Assigned Consultants Weekly 2 holidays Paid Time Off 24 days (CL & SL) Maternity Leave with benefits (As per the company’s policy) Paternity Leave (As per the company’s policy) Beravement Leave (As per the company’s policy) Public Holidays as per Riseup Labs calendar The Application Process: Telephone Round. Interview with the Business Development Lead, Talent Acquisition Team & Client. Job Offer. N.B.: Only shortlisted candidates will be communicated in the recruitment process.