Patrick James Nares

QA Engineer with nearly three years of experience testing SaaS accounting and work-management platforms. Skilled in API and integration testing, AI and Model Context Protocol (MCP) validation, Playwright automation, exploratory testing, and complex business workflow testing. Progressed from Junior to Mid-Level QA Engineer and currently leads automation restructuring while mentoring three junior QA engineers.

Experienced in validating third-party integrations, authentication and authorization flows, tenant data isolation, and production-critical business processes.

Mid-Level QA Engineer at WorkflowMax (2025-06 – Present)

Own quality assurance for SaaS features covering accounting, invoicing, job management, capacity planning, document management, mobile functionality, and third-party integrations.

• Develop test plans, risk assessments, test cases, regression suites, and supporting feature documentation for new and existing product functionality.
• Lead QA ownership for MCP-enabled AI capabilities, validating conversational workflows, data retrieval, report generation, tool execution, and business operations across supported modules.
• Validate AI and MCP integrations across supported LLM clients, including tool behavior, OAuth authentication, authorization, tenant data isolation, negative scenarios, error handling, and response accuracy.
• Perform API and integration testing using Postman across REST, XML, and JSON-based services, including accounting platforms, payment services, and document-management integrations.
• Test complex end-to-end business workflows involving invoices, bills, quotes, purchase orders, jobs, clients, suppliers, custom fields, capacity planning, and leave management.
• Conduct authorization, permission, and organizational data-access testing to identify potential cross-tenant access and business-rule violations.
• Lead the restructuring of legacy automation into scalable and maintainable Playwright test suites to improve long-term regression coverage and maintainability.
• Mentor three junior QA engineers in test design, automation practices, risk-based testing, and overall QA processes.
• Supported the successful beta release of AI and MCP capabilities by identifying functional, security, privacy, integration, and performance risks throughout development.

Junior QA Engineer at PHCOLLAB I.T. SERVICES (2024-01 – 2025-06)

Performed manual, API, integration, regression, exploratory, and automated testing for the WorkflowMax SaaS platform.

• Created test plans, test cases, test suites, risk assessments, and feature documentation for new releases and existing functionality.
• Tested accounting and work-management workflows involving invoices, quotes, purchase orders, jobs, clients, suppliers, and document-management features.
• Validated REST API integrations and XML- and JSON-based payloads using Postman across internal and third-party services.
• Contributed to the migration from legacy Laravel Dusk automation toward Playwright to improve scalability, reliability, and maintainability.
• Expanded responsibilities beyond the Junior QA role by contributing to more complex integration, automation, and release-testing activities.
• Progressed into Mid-Level QA responsibilities and transitioned from a client assignment to direct employment with WorkflowMax.

Bachelor of Science in Computer Science – Computer Communication Development Institute (2024)