Sr QA Engineer (UI and API Automation)

Hitachi, Ltd.; México; Hybrid; MXN 420,000 - 720,000; Full time

Benefits offered by this job

Exciting Projects

Collaborative Environment

Work-Life Balance

Professional Development

Excellent Benefits

Job summary

GlobalLogic is seeking a Senior QA Engineer to ensure quality across an AWS-hosted SaaS platform. The role blends manual exploratory testing with Playwright automation, API validation, performance testing, and release validation in a hybrid setup.

You will expand automated coverage, validate REST APIs and end-to-end workflows, and collaborate with cross-functional teams to improve QA processes and delivery quality.

Qualifications

• 5+ years QA engineering experience with SaaS or distributed systems.
• Strong REST API validation, backend testing, and UI testing skills.
• Experience building automated tests with Playwright and API validation.
• Experience in hybrid QA approaches combining manual and automated testing.
• Ability to work in CI/CD pipelines and release validation across environments.
• Familiarity with AWS-hosted SaaS platforms and observability tools.

Responsibilities

• Design, develop, and execute tests for APIs, backend services, and UI workflows.
• Validate API contracts, authentication flows, and data validation.
• Perform functional, regression, and exploratory testing across environments.
• Create repeatable test cases and documentation for releases and fixes.
• Develop and expand Playwright-based automation and utilities.
• Collaborate with product, engineering, SRE, and DevOps for quality gates.

Skills

Playwright automation

REST API testing

API contract validation

CI/CD workflows

Jira & Zephyr

Load & performance testing

Browser UI testing

Cloud/AWS familiarity

Log analysis

Education

Bachelor's degree in CS/Software Eng

Tools

Playwright

Postman

Swagger/OpenAPI

Jira

Zephyr

k6/Locust/JMeter

CI/CD tooling

Job description

Job Description

Everbridge cliente.

Requirements

Position Summary

We are seeking a Senior QA Engineer to help ensure the quality, reliability, and performance of an AWS-hosted SaaS platform built on REST APIs, service-oriented architecture, and cloud-native backend services.
This is a hybrid QA role combining manual exploratory testing, backend and API validation, UI workflow testing, Playwright-based automation, performance and load testing, and release validation across multiple environments. The engineer will help expand automated coverage while continuing to provide practical release-quality support for active product delivery.
The ideal candidate will have strong experience testing REST APIs, SaaS platforms, distributed services, and end-to-end workflows. Hands-on experience with Playwright, Postman, Swagger/OpenAPI, Jira, Zephyr, CI/CD workflows, AWS environments, log analysis, and backend troubleshooting is expected. Experience with SIP, VoIP, real-time communications, or AI-assisted testing tools is a strong plus but not required.

Required Qualifications

• Bachelor degree in Computer Science, Software Engineering, Information Technology, or related technical discipline, or equivalent professional experience.
• 5+ years of QA engineering experience, preferably with SaaS platforms, REST APIs, distributed systems, or microservices-based architectures.
• Strong hands-on experience testing REST APIs, backend services, integrations, and service-oriented systems.
• Hands-on experience building and maintaining automated tests with Playwright, including UI workflow automation and API validation.
• Experience with hybrid QA approaches combining manual testing, exploratory testing, regression testing, and test automation.
• Experience validating API contracts using tools such as Postman, Swagger/OpenAPI, curl, browser dev tools, or comparable utilities.
• Experience managing test cases, test execution, defects, and release validation workflows using Jira and Zephyr or similar tools.
• Experience working in CI/CD environments and validating software across multiple deployment stages.
• Experience with performance or load testing concepts, including concurrency, response time, throughput, bottlenecks, and error-rate analysis.
  Familiarity with AWS-hosted SaaS systems and cloud deployment concepts.
• Strong ability to analyze logs, API responses, request payloads, error messages, metrics, and environment-specific behavior.
• Strong written and verbal communication skills with the ability to document defects, risks, and test results clearly.
• Ability to work effectively in Agile teams and collaborate across QA, engineering, product, SRE, DevOps, and support groups.

Preferred Qualifications

• Experience with k6, Locust, JMeter, Gatling, or similar performance and load testing tools.
• Experience testing microservices, asynchronous workflows, event-driven systems, queues, caching layers, or distributed data flows.
• Experience testing applications using PostgreSQL, Redis, API Gateway, ECS, EC2, or related AWS-hosted platform components.
• Experience with test data management, environment configuration, seeded data, synthetic data, and repeatable test setup patterns.
• Experience with observability tools such as CloudWatch, Datadog, Splunk, Grafana, Prometheus, ELK, or similar platforms.
• Experience using AI-assisted testing tools, AI coding assistants, AI MCP agents, or automated test generation workflows.
• Experience with real-time communications, VoIP, SIP, Asterisk, telephony workflows, or communications platform testing is a strong plus.
• Experience testing security-related behavior including authentication, authorization, role-based access control, token handling, and input validation.
• Experience working in contractor, project-based, or fast-moving engineering environments with evolving requirements.
• Experience improving QA processes, automation strategy, release gates, defect triage practices, or test coverage reporting.

Technical Skills

• Playwright test automation for UI workflows and API validation
• REST API testing and contract validation
• End-to-end workflow testing
• Manual, exploratory, functional, regression, smoke, and integration testing
• API tooling including Postman, Swagger/OpenAPI, curl, and browser developer tools
• JavaScript or TypeScript test automation patterns
• Python or other scripting languages for test utilities and data setup
• Jira and Zephyr test case and defect management
• CI/CD test execution and release validation workflows
• Performance and load testing using k6, Locust, JMeter, Gatling, or similar tools
• SaaS platform validation across multiple environments
• AWS environment familiarity including EC2, ECS, API Gateway, RDS/PostgreSQL, Redis, IAM, and CloudWatch concepts
• Log analysis and backend troubleshooting
• Distributed systems and microservices testing concepts
• Database validation and data-state verification
• Caching behavior validation and Redis-aware test scenarios
• Authentication, authorization, token handling, and secure API testing
• Test data management and environment configuration
• Monitoring, metrics, dashboards, and observability-assisted testing
• Root-cause analysis support and defect isolation
• Release risk assessment and regression strategy
• AI-assisted testing and engineering productivity tools
• SIP, VoIP, and telecommunications workflow testing as a plus

Desired Attributes

• Strong quality ownership mindset with the ability to balance practical release needs and long-term test strategy.
• Detail-oriented and methodical while remaining pragmatic in fast-moving delivery environments.
• Comfortable working across API, UI, backend, cloud, and operational boundaries.
• Strong analytical and troubleshooting skills, especially when diagnosing multi-system defects.
• Self-motivated and capable of independently driving test coverage, automation improvements, and defect resolution.
• Collaborative communicator who can work effectively with developers, SRE, product, and support teams.
• Curious and improvement-oriented, with a desire to modernize QA practices and expand automation maturity.
• Able to clearly explain quality risks, testing tradeoffs, and release-readiness recommendations.

Job Responsibilities

API, UI, and End-to-End Test Engineering

• Design, develop, and execute test strategies across REST APIs, backend services, and user-facing workflows.
• Validate API behavior, request and response contracts, authentication flows, error handling, data validation, and service integration behavior.
• Perform functional, regression, integration, smoke, exploratory, and release-readiness testing across development, staging, and production-like environments.
• Test end-to-end SaaS workflows spanning frontend interactions, backend APIs, database state, asynchronous processing, and external integrations.
• Identify gaps in product behavior, requirements, observability, and test coverage, and work with engineering teams to close those gaps.
• Create clear, repeatable test cases and validation procedures for new features, defect fixes, releases, and production issue follow-up.

Playwright Automation and Test Framework Development

• Build, maintain, and expand automated test suites using Playwright for both UI workflow automation and API-level validation.
• Develop reusable test utilities, fixtures, data setup patterns, assertions, and reporting practices to support scalable automation.
• Help define standards for reliable automation including test isolation, environment awareness, retry strategy, test data management, and failure diagnostics.
• Automate high-value regression scenarios and release validation workflows while balancing maintainability and execution time.
• Integrate automated test execution into CI/CD pipelines and collaborate with engineering teams to improve pipeline reliability and feedback loops.
• Analyze flaky tests, false positives, environment failures, and test framework issues, and implement improvements to increase automation trustworthiness.

Release Validation, Test Management, and Defect Lifecycle

• Manage test cases, test plans, execution results, traceability, and defect reporting using Jira and Zephyr.
• Support sprint-level validation, release candidate testing, hotfix validation, and regression coverage planning.
• Document defects clearly with reproduction steps, expected and actual behavior, logs, screenshots, request payloads, response payloads, and environment details.
• Partner with product owners, developers, SRE, and support teams to clarify acceptance criteria and risk areas before release.
• Provide quality status, risk assessments, and release recommendations based on test results, defect severity, and system readiness.
• Contribute to continuous improvement of QA processes, release gates, regression strategy, and test coverage metrics.

Performance, Load, and Reliability Testing

• Plan and execute performance, load, and scalability testing for APIs, backend services, and critical workflows.
• Use tools such as k6, Locust, JMeter, Gatling, or comparable platforms to validate throughput, latency, error rates, and saturation behavior.
• Collaborate with engineering and SRE teams to interpret performance results, identify bottlenecks, and validate remediation efforts.
• Test system behavior under concurrency, burst traffic, degradation scenarios, retry conditions, and dependency failures.
• Help define performance baselines, regression thresholds, and repeatable load-test scenarios for release confidence.
• Analyze application logs, metrics, traces, API responses, database behavior, and infrastructure signals during test execution.

Backend Troubleshooting and Cross-Functional Collaboration

• Analyze logs, API traces, service errors, deployment changes, and environment configuration issues to assist with defect triage.
• Work closely with backend engineers to validate fixes, isolate root causes, and improve testability of services.
• Collaborate with SRE and DevOps teams on environment readiness, deployment validation, monitoring signals, and operational quality.
• Participate in Agile planning, estimation, sprint reviews, retrospectives, and quality-focused design discussions.
• Contribute to documentation for test plans, automation practices, release validation, defect patterns, and troubleshooting procedures.
• Support a culture of shared ownership where quality is embedded throughout development rather than limited to late-cycle validation.

What we offer

Exciting Projects: Come take your place at the forefront of digital transformation! With clients across all industries and sectors, we offer an opportunity to work on market-defining products using the latest technologies.

Collaborative Environment:Expand your skills by collaborating with a diverse team of highly talented people in an open, laidback environment - or even abroad in one of our global centers or client facilities!

Work-Life Balance:GlobalLogic prioritizes work-life balance, which is why we offer flexible work schedules.We offer you the best quality of work life so that you exceed the expectations of our clients, while achieving your professional and personal ambitions.

Professional Development:Our dedicated Learning & Development team regularly organizes English classes, professional certifications, and technical and soft skill trainings. We also offer the chance to travel internationally

Excellent Benefits:We provide our employees with competitive salaries, family medical insurance, extended paternity leave, annual performance bonuses, and referral bonuses.

About GlobalLogic

GlobalLogic is a full-lifecycle product development services leader that combines chip-to-cloud software engineering expertise and vertical industry experience to help our customers design, build, and deliver their next-generation products and digital experiences. We expertly integrate design, complex engineering, and agile delivery capabilities to deliver superior business outcomes for global brands in telecom, automotive, healthcare, technology, media and entertainment, manufacturing, and semiconductor industries.

Headquartered in Silicon Valley, GlobalLogic employs over 25,000 designers and engineers across the globe. Analysts like NASSCOM and Zinnov have recognized us for being a top company in our field, and we are consistently nominated as a preferred employer by both global HR consultative firms and local job boards. By creating a work environment that is exciting and flexible, and by fostering growth through ongoing learning and development programs, we empower our employees to achieve both their professional and personal goals.

At GlobalLogic, we make amazing products - and careers.