Rahat Dos

QA Engineer

IHub

Tests web and ERP products manually and with Python, pytest, and Playwright, and added automated QA reporting; reports 100% coverage across 33 regression scenarios.

• Conduct manual and automated testing of web interfaces and ERP systems using Python, pytest, and Playwright. • Perform REST API testing via Postman: verify HTTP status codes, response payloads, and backend service integrations. • Validate document workflows: verify file generation logic and rendering inside the "Document Builder" module. • Execute API load testing using k6 to evaluate infrastructure stability, and monitor system health via Kubernetes to rapidly detect server-side errors.

QA Engineer

Investlink Ltd

Manually tested trading platforms across web, desktop, iOS, and Android, including APIs and WebSockets; found critical price update defects and helped catch logic issues during requirements discussions.

• Performed manual testing of Web and Mobile trading platforms across iOS, Android, and Desktop environments. • Tested REST API and WebSocket streams: verified data transmission, status codes, and reactive real-time quote updates. • Validated prices, amounts, expiration dates, and filtering logic within the stocks and options trading modules. • Executed backend database verification: checked full user lifecycle and CRUD operations (including accurate account and transaction deletion).

QA Engineer

NanoRent LTD

Tested rental web and mobile applications and introduced structured test cases and regression testing, with reported reductions of 30% in production bugs and 40% in API smoke test verification time.

• Performed comprehensive manual testing of web and mobile applications across rental, user profile, notification, and in-app chat modules. • Verified end-to-end user scenarios including booking creation, rental extensions, and guest-to-host interactions, as well as cross-device mobile compatibility and stability. • Analyzed business requirements and authored structured test documentation: checklists, test cases, and bug reports in Jira. • Tested REST APIs via Postman, configuring environments and writing automated test scripts.

Curator (Mortgage Program Coordinator)

Housing Construction Savings Bank of Kazakhstan, JSC

Financial Sector / Banking

Coordinated rural mortgage applications and compliance checks, reducing document submission errors by 25% and report preparation time by 50%.

• Consulted Local Executive Bodies (LEB) on the rural mortgage program and assisted in collecting and preparing application packages. • Coordinated workflows between Local Executive Bodies and bank loan officers, monitoring the rural mortgage application pipeline end to end. • Conducted preliminary compliance verification of applicant documents against regulatory and bank requirements. • Supported clients through every stage of the transaction up to signing the pledge and mortgage loan agreements.

Training Manager / Acting Operations Lead

TELECONTACT

B2B Call Center Services

Managed training and acted as operations lead for a B2B call center, launching three programs linked to 20% higher operator productivity and coordinating up to 40 staff.

• Organized and delivered call center training programs focused on sales, communication, and customer service skills; designed custom curricula and training materials. • Assessed employee knowledge before and after training, coordinated the training team, tracked training plan execution, and monitored operator quality. • As Acting Administrator / Operations Lead: Directed daily call center operations in the Project Manager's absence, distributing tasks and ensuring full project KPI fulfillment.

Higher Education, Humanities and Law

Turan University

Secondary Specialized, Technical Sciences

AKSO

Professional Certification, From QA Engineer to QA Automation Engineer

GeekBrains