Hector Lizarraga

QA Engineer specialized in backend and API testing, with strong experience in REST APIs, microservices architectures, and enterprise integrations, including SAP environments. Skilled in validating Sync/Async integrations across distributed systems, ensuring reliable service communication, data consistency, and contract compliance. Experienced in designing and executing manual and automated API testing strategies, including request/response validation, error handling, dependency flows, and database verification using SQL.

Applies AI-driven approaches to improve test coverage, accelerate script creation, optimize test scenarios, and reduce execution times, enhancing overall QA efficiency. Focused on API-first and Quality Engineering practices, with experience working with automated frameworks for service-level validation. While backend and integration testing are core strengths, also supports e2e testing through web UI automation using the Page Object Model (POM).

Experienced in designing and executing test cases across functional, system, regression, and exploratory scenarios, including edge cases. Focused on early defect detection and quality across multiple layers.

QA Automation Engineer at Softtek (2023-10 – 2026-03)

Designed and executed end-to-end testing strategies for APIs, microservices, and integrated systems with focus on reliability across distributed architectures. Identified limitations in manual API testing processes and proposed adoption of Karate Framework. Implemented automated test suites using Karate and Playwright for web UI testing. Conducted SAP testing and validated service integration across microservices.

• Designed and executed end-to-end testing strategies for APIs, microservices, and integrated systems, ensuring reliability across distributed architectures
• Identified limitations in manual API testing processes and proposed the adoption of Karate Framework to improve automation capabilities
• Implemented automated API test suites using Karate, increasing test coverage, reducing regression execution time, and improving overall testing efficiency
• Automated test reporting and validation workflows, enabling faster feedback and more consistent test results
• Validated database operations, stored procedures, and SQL queries, ensuring data integrity across integrated systems
• Conducted SAP testing across business processes and cross-module integrations, ensuring correct system orchestration
• Validated service integration, orchestration, and data flow across microservices, identifying critical issues prior to production
• Contributed to projects in banking and FMCG sectors (e.g., Citi Banamex, Coca-Cola), adapting QA strategies to complex, industry-specific systems
• Developed and maintained automated web UI test suites using Playwright (Python) for Bancanet, integrated into CI pipelines, ensuring validation of critical banking user flows and improving regression coverage

QA Automation at Caffenio (2023-05 – 2023-10)

Implemented UI automation for web platforms, transitioning from fully manual testing. Performed manual and automated testing across web platforms, POS devices, and mobile applications. Conducted API testing to validate integrations between backend systems, POS, and mobile applications.

• Implemented UI automation for web platforms, transitioning from fully manual testing and improving testing efficiency and coverage
• Performed manual and automated testing across web platforms, POS devices, and customer-facing mobile applications, ensuring functionality, stability, and a seamless retail experience
• Conducted API testing to validate integrations between backend systems, POS, and mobile applications
• Executed end-to-end testing across front-end, backend, and customer-facing retail applications (web, POS, and mobile apps), validating ordering, payments, promotions, and checkout flows
• Designed and executed test cases based on detailed test plans and retail-specific workflows
• Prepared comprehensive test documentation, including plans, reports, and validation checklists
• Identified, documented, and tracked defects, managing follow-up and validating fixes across both web and mobile retail environments

QA Tester at Interbanda (2021-01 – 2023-04)

Performed manual and automated web/UI testing using Selenium and Robot Framework. Conducted API testing with Postman and Karate. Executed end-to-end testing across front-end and back-end components covering critical business workflows. Designed test cases based on requirements and user stories.

• Performed manual and automated web/UI testing using Selenium and Robot Framework, applying automation to repetitive scenarios and ensuring functionality, stability, and user experience
• Conducted API testing with Postman and Karate to validate system integrations, responses, and error handling
• Executed end-to-end testing across front-end and back-end components, covering critical business workflows
• Designed and executed test cases and test matrices based on requirements, functional specifications, and user stories
• Prepared comprehensive test documentation, including test plans, validation reports, and checklists
• Identified, classified, and tracked defects using Jira, ensuring proper follow-up and resolution with development teams
• Managed test evidence and supported validation of fixes, maintaining compliance with QA processes

Bachelor's Degree in Information Systems – ITSON, Navojoa, Sonora (2002-08 – 2007-12)