Senior/Lead Manual QA Engineer — Remote & Flexible Hours

Full time | AgileEngine | Mexico

City Querétaro

State/Province Querétaro

76000

IT Services

Job Information

Job Description

We are looking for Manual QA Engineers across Lead and Senior levels to ensure the stability and reliability of a live Hiring Events platform serving clients across the U.S. You will perform functional, regression, and end-to-end testing, validate REST APIs with Postman, execute SQL-based backend verification, and collaborate closely with Engineering, Product, and Client Support teams to triage and resolve production issues. The role requires strong investigative skills and comfort operating in a fast-paced, real-time production environment.

What You Will Do

• Analyze, troubleshoot, and help resolve production issues impacting live hiring events
• Perform manual, functional, regression, and end-to-end testing across platform workflows
• Validate REST APIs, integrations, and backend services using Postman
• Execute backend data validation and troubleshooting using SQL queries
• Reproduce, document, and track defects, workflow issues, and test results in Jira
• Collaborate closely with Engineering, Product, Client Support, and GTM teams to investigate and resolve client-reported issues
• Support incident triage activities and assist with release validation efforts
• Validate architecture changes, new integrations, and platform enhancements prior to release
• Ensure issues are resolved within SLA expectations while maintaining high client satisfaction
• Participate in Agile and Scrum ceremonies including sprint planning, standups, retrospectives, and release testing activities
• Interpret business requirements and product needs to design effective test cases and validation scenarios
• Contribute to improving testing processes, workflows, and production support practices
• Validate accessibility compliance and usability standards, including WCAG requirements

MUST HAVES

• 4 to 6 years of experience in QA, manual testing, or production support and testing environments
• Strong experience with manual testing methodologies, including functional, regression, and end-to-end testing
• Hands‑on experience testing REST APIs using Postman
• Strong SQL skills for backend validation, troubleshooting, and data verification
• Experience validating backend integrations and services
• Experience documenting and managing defects using Jira
• Strong understanding of user workflows, product functionality, and business requirements
• Ability to create and execute meaningful test cases based on business problems and product requirements
• Experience working in Agile and Scrum environments
• Strong collaboration and communication skills across technical and non‑technical teams
• Experience troubleshooting production issues in client‑facing applications
• Experience with accessibility standards and WCAG compliance testing

NICE TO HAVES

• Experience using Datadog for monitoring, log analysis, and troubleshooting
• Familiarity with Kafka and asynchronous workflow validation
• Exposure to MongoDB or other NoSQL databases
• Understanding of CI/CD pipelines, deployment processes, and release validation
• Experience working with SaaS products or customer-facing and employer-facing platforms
• Previous experience supporting live production systems with high user activity

PERKS AND BENEFITS

• Professional growth : Mentorship, TechTalks, and personalized growth roadmaps
• Competitive compensation : USD-based pay with education, fitness, and team activity budgets
• Exciting projects : Modern solutions with Fortune 500 and top product companies
• Flextime : Flexible schedule with remote and office options