Top QA Engineer Jobs in Sao Paulo

Design, develop, and maintain frontend web applications using React, TypeScript, and Vite. Build and scale automated tests with Playwright, Selenium, or Cypress; write unit and integration tests; automate deployments; collaborate with product, design, and engineering teams; document systems; troubleshoot and provide technical support for moderately complex issues.

Lead and execute black-box testing for web and mobile products, prepare test scopes, report defects, document findings, collaborate with stakeholders, and mentor SQA team members while improving testing processes.

Design and maintain firmware test environments and automated test scripts, document test strategies, integrate tests into CI/CD, collaborate with dev and QA teams, and drive firmware quality improvements through embedded testing, data analysis, and lab equipment validation.

Develop and maintain automated test suites for web, mobile, and APIs; integrate tests into CI/CD; validate cross-platform interfaces; perform regression automation, defect tracking, and continuous improvement of QA frameworks and processes.

Lead QA initiatives to embed quality across the platform: design test strategies, create test plans, implement automation, write automation scripts, mentor QA team members, collaborate with developers and designers, prioritize bug fixes, and maintain quality documentation and metrics.

Lead mobile QA for a Flutter app: build and run parallelized E2E tests, validate GraphQL contracts, integrate AI tools to auto-generate tests, monitor observability (Sentry, Firebase, GCP), triage issues, run exploratory and release testing across emulators, devices, TestFlight/Play Console and Shorebird OTA, and maintain CI/CD quality gates in Codemagic/GitLab CI.

Lead end-to-end web QA and test automation for high-traffic web platforms. Build and run parallelized Playwright TypeScript E2E suites, validate APIs and contracts, integrate AI coding assistants into QA workflows, audit Figma specs, monitor observability logs, verify asynchronous workflows, and maintain CI/CD quality gates to ensure zero-regression releases.

Leads AI-assisted and agentic testing adoption across engineering teams. Designs manual and automated test strategies, MCP-based workflows, validation standards, regression systems, and machine-readable test cases. Partners with MLOps, Product, and Engineering to establish quality baselines, evaluate testing technologies, analyze root causes, improve coverage and efficiency, and measure AI ROI. Mentors engineers, governs automation practices, communicates quality risks, and drives scalable testing standards.

Test Brookhaven across Live and QA environments on Mobile, Tablet, PC, and Console. Reproduce and document issues with logs/screenshots/steps, execute test plans, represent the player perspective, and communicate progress and risks with QA and development teams.

Design, develop, and maintain automated test solutions for scalable payment systems. Validate REST and GraphQL APIs, perform contract, functional, integration, end-to-end, and performance testing (JMeter). Collaborate with developers and Scrum teams, identify edge cases, investigate defects, and support continuous quality improvement throughout the SDLC.

Lead end-to-end quality for product teams by designing test strategies, running manual and exploratory testing, building and maintaining automated UI/API suites in CI, triaging defects, defining release quality gates, and using AI tools to accelerate test design and automation.

Designs and executes functional, regression, integration, and automated tests across ServiceNow, Salesforce, Mendix, and ERP-integrated platforms. Develops ATF scripts, validates configurations and data integrity, tracks defects, supports UAT and post-deployment validation, ensures SOX/ITGC audit readiness, and drives test automation and QA process improvements across release cycles.

Designs and maintains automated testing for API, web, and mobile applications; develops test plans, frameworks, and CI/CD processes; applies AI-assisted testing; investigates quality issues; improves testing standards; and mentors engineers. Partners cross-functionally to identify risks, improve testability, and deliver reliable software.

Build, maintain, and run automated test frameworks and tests for HealthTech applications. Collaborate with developers on test cases, convert manual tests to automation, integrate tests into CI/CD, triage defects, document test plans and automation, and support reliability and release quality across the full stack.

The QA Automation Lead designs and builds test harnesses for .NET solutions, integrates testing into Azure DevOps, and advances QA practices focusing on automation and collaboration with developers and product stakeholders.

Lead design and implementation of end-to-end automated testing across web apps, APIs, and backend services. Build and maintain automation frameworks, integrate tests into CI/CD, validate data-heavy analytics and dashboards, support migrations, and drive QA best practices and release quality gates alongside engineering teams.

Lead and establish QA practices for an AI-first SaaS ERP: design and execute UI, API, and integration test strategies, own bug triage and release validation, build test management/reporting, lay groundwork for automated testing and CI/CD, and drive product quality and user experience improvements.

Validate enterprise ETL/ELT pipelines, database objects, and BI reports to ensure data accuracy and integrity. Build automated tests, write complex SQL, analyze query performance, and track defects using JIRA/TestRail while collaborating with developers and DBAs to improve data quality.

Design, build, and execute automated and exploratory tests for web, mobile, and APIs using Playwright/MCP and other frameworks. Maintain automation frameworks, integrate tests into CI/CD, triage defects, use AI for root-cause analysis and flaky test management, and collaborate with cross-functional teams to ensure quality and usability.

Lead mobile QA strategy for iOS and Android: design scalable automation frameworks, define device/OS coverage, integrate testing into CI/CD, operationalize AI-assisted testing, mentor QA engineers, and drive release quality using observability and real-device platforms.

Lead SDET in cross-functional teams to design, build, and maintain automated tests and frameworks at scale for applications and data pipelines. Develop integration and performance tests, integrate automation into CI/CD, detect and diagnose data quality issues, drive tooling and process improvements, and promote team ownership of quality.

The QA Engineer will enhance QA practices, develop automation frameworks, write tests for various stacks, and collaborate with teams.

Perform manual and automated testing for desktop and web applications. Analyze test and development workflows, build automation frameworks and API hooks, create manual test cases, and collaborate with teams to improve test coverage and software quality.

Lead QA efforts for LLM and agentic AI systems: build and maintain AI evaluation frameworks, design statistical tests for non-deterministic outputs, develop automated end-to-end and integration tests (backend, ingestion, inference, frontend), support CI/CD quality gates, participate in incident triage and SOC 2 Type II audit artifacts, and collaborate with engineering and client teams on production validation.

Execute and automate tests, report defects, and advocate for product quality across web and platform services. Build and maintain regression suites and automation frameworks, contribute to QA best practices, clarify acceptance criteria, support CI/CD pipelines, and improve QA workflows. Participate in sprint ceremonies and strengthen post-release triage and remediation.