We are seeking an experienced QA Manual Test Lead / Principal QA Engineer to lead quality assurance initiatives for digital applications supporting pharmaceutical early discovery research. This role will be responsible for defining testing strategy, driving quality governance, and ensuring scientific applications are thoroughly validated before release.

The successful candidate will work closely with scientists, product owners, business analysts, software engineers, data teams, and research operations stakeholders to validate scientific workflows, data integrity, usability, integrations, and end-to-end business processes.

This is a leadership role requiring deep expertise in manual testing, risk-based quality assurance, stakeholder management, and scientific application validation.

Key Responsibilities

Define and own manual testing strategies, methodologies, test plans, quality gates, and release readiness criteria.
Establish risk-based testing approaches for scientific and research applications.
Lead requirement reviews and convert business requirements, user stories, scientific workflows,



and acceptance criteria into comprehensive test scenarios and test cases.
Own testing estimates, schedules, resource planning, and quality reporting.
Drive quality governance throughout the software development lifecycle.

Functional & System Testing

Plan and execute:
Functional Testing
System Testing
Integration Testing
Regression Testing
Exploratory Testing
End-to-End Testing
Usability Testing
Compatibility Testing
Data Validation Testing
Validate researcher workflows including:
Study and experiment setup
Sample and compound management
Assay execution and analysis
Results review
Data visualization
Scientific reporting
Search and retrieval
Collaboration workflows
Data export processes
Data & Integration Validation

Verify data integrity across multiple platforms and systems.
Validate:
Data transformations
Scientific calculations
Unit conversions
Metadata accuracy
Data linea

📌 QA Manual Test Lead (Buenos Aires)
🏢 Cognizant
📍 Buenos Aires