• LLM & TTS Testing: Led functional and performance testing of LLM and TTS models, evaluating output accuracy, latency, and reliability across diverse test scenarios.
• Product Management: Assigned as Product Manager for the LLM/TTS project, overseeing product roadmap, cross-functional coordination, and delivery milestones.
• Test Strategy: Designed and implemented comprehensive test strategies covering functional, regression, performance, security, and usability testing.
• Automation Architecture: Architected and maintained scalable automation frameworks for web, mobile, and API testing.
• AI-Driven Automation: Implemented AI-driven test automation tools for intelligent test case generation, self-healing scripts, and predictive defect analysis.
• Risk-Based Testing: Established risk-based testing approaches to prioritize critical features and ensure product reliability.
• Leadership & Mentorship: Mentored SQA engineers and fostered a culture of continuous improvement and accountability.
• Quality Insights: Delivered clear, actionable test reports to stakeholders with insights on quality trends.

• AI Leadership: Led QA for AI-driven TTS and NLP models; built 200+ automated evaluation tests covering model accuracy, prosody, and prompt injection resistance.
• Architecture: Architected Playwright + Python test framework integrated with GitHub Actions CI/CD; reduced regression cycle from 4 hours to 45 minutes (81% faster).
• Team Management: Managed 8-engineer QA team; defined OKRs, test coverage targets, and quality gates achieving 20% reduction in production defect leakage.
• AI/ML Protocols: Designed AI/ML testing protocols covering model output validation, bias detection, adversarial input testing, and LLM security evaluation.

Software Engineer in Test | Aug 2023 – Oct 2025 | Rajshahi, Bangladesh

• Built automated test suites covering functional, API, performance, and security testing across 3 microservices using Playwright and Python.
• Integrated OWASP ZAP and Burp Suite into CI/CD pipeline; identified 15+ critical vulnerabilities before production release.
• Grew automated test coverage from 60% to 85%, eliminating 40% of manual regression effort per sprint.
• Validated AI-driven features through model accuracy testing, bias analysis, and adversarial input evaluation.

Jr. Software QA Engineer | Aug 2022 – Aug 2023 | Rajshahi, Bangladesh

• Developed and maintained 300+ test cases covering functional, regression, integration, and cross-browser testing.
• Reduced bug escape rate by 15% by introducing exploratory testing sessions and structured defect triage processes.
• Collaborated with dev team to deliver zero critical defects across 3 consecutive sprint releases.

Software QA Engineer (Internship) | Mar 2022 – Jul 2022 | Rajshahi, Bangladesh

• Executed smoke, regression, and functional test suites; logged and tracked 80+ defects with detailed reproduction steps in Jira.
• Collaborated with 5-person dev team in Agile/Scrum environment, contributing QA sign-off for 3 successful sprint releases.

GAOTek Inc. | Software Tester | Dec 2021 – Feb 2022 | NY, USA (Remote)

• Executed structured test plans for IoT hardware control software; managed 50+ defect lifecycle entries across Jira.
• Collaborated with globally distributed dev team to improve software reliability and achieve consistent release quality.

Orion Informatics Ltd | Software Tester (Mobile & Fintech) | May 2021 – Jul 2021 | Dhaka, Bangladesh

• Tested Android and iOS payment gateway flows including authentication, transaction processing, refund, and error-handling scenarios.
• Validated security of mobile payment flows covering encryption checks, session management, and PCI DSS-relevant test scenarios.