Top QA Engineer Jobs in Sao Paulo

The role involves investigating quality deviations, managing CAPA actions, supporting compliance procedures, and leading quality risk analysis in pharmaceutical production.

Lead QA activities for cloud-based security services: design and maintain automated API/UI test suites, performance and security testing, test environment setup, mentor engineers, ensure test coverage and release quality for containerized and serverless microservices using relational and NoSQL databases.

Drive automation quality for a React Native mobile app across iOS and Android. Build and maintain Detox/Jest test suites, validate payment/auth flows, run real-device tests via BrowserStack, integrate CI/CD quality gates, track bugs in Azure DevOps, monitor performance, and collaborate in Agile teams.

Drive end-to-end QA for React Native mobile apps across iOS and Android: build and maintain Detox and Jest test suites, run functional/regression tests on real devices, validate payments and authentication, integrate automated quality gates into CI/CD, track defects in Azure DevOps, monitor performance via Sentry/Firebase/Quantum Metric, and collaborate with engineering, product, and design in an Agile environment.

The QA Engineer role involves testing software products, identifying defects, creating test cases, and collaborating with development and product teams to ensure high-quality user experiences.

As a Firmware QA Analyst, you will ensure the quality of firmware products through testing, documentation, and collaboration with development teams, driving continuous improvement.

Lead QA/QC activities for industrial electrical projects, ensuring compliance with Mexican and international standards. Develop QA/QC plans, perform daily inspections, manage NCRs, supervise electrical tests (megger, TTR, insulation/dielectric), report to executives, coordinate project closeouts, and represent the company in audits and client reviews.

Design and execute test plans and cases for new features and regression; perform API, backend, database, performance and security testing; identify, document, and track defects; collaborate with developers and product managers; prioritize automation and improve QA processes to ensure reliable, secure SaaS releases.

The QA Automation Engineer will enhance testing processes, collaborate with teams to build automated frameworks, and support modern software delivery in a cloud-native environment.

Lead QA for mobile/web products, define test strategies, conduct manual/automated testing, mentor colleagues, and ensure software quality.

The QA Engineer will ensure software quality through testing, managing QA plans, creating bug reports, and advocating for user experience.

Own end-to-end QA for Canary's flagship products across web and API layers. Design and execute manual test plans, build and maintain automated test suites, triage and track defects, collaborate with product, engineering, and external QA teams, and communicate risks and recommendations clearly.

The QA Engineer will test and enhance Higharc's platform quality by applying homebuilding expertise, executing test cases, logging bugs, and collaborating with teams.

Lead QA for a Drupal + Vue.js SaaS product: design and execute test plans, build and maintain UI/API/integration automation integrated into CI/CD, perform exploratory testing, define release criteria, collaborate with product/engineering/SRE, mentor junior QA, and drive quality improvements and incident root-cause analysis.

Looking for a Senior QA Automation Engineer to develop automated tests, contribute to CI/CD, and work in an Agile team environment with a focus on quality assurance practices.

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.

Senior QA tester for digital product team, ensuring quality from conception to production. Lead test automation (Cypress, Playwright, WebdriverIO), design and execute automated E2E strategies, collaborate with agile multidisciplinary teams, investigate and resolve complex issues, and influence QA practices. Hybrid role in Campinas (3x/week), advanced English required.

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.

Perform manual and automated testing across web, mobile, APIs, backend services, and blockchain integrations. Build and maintain Python-based test frameworks, investigate issues across distributed systems, analyze logs/metrics/network traffic, contribute to release validation and automation, and collaborate with product, engineering, and DevOps. Use AI tools to accelerate testing, support incident analysis, and proactively improve testing coverage and product reliability.

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 quality and testing for a Scrum team: build and run manual and automated tests, drive test strategy, support grooming/estimation, track bugs, manage test resources, develop smoke/performance tests, provide quality metrics, and improve testing methodology.

Partner with cross-functional teams to design, develop, and execute functional, integration, regression, and end-to-end tests for Fixed Income trading applications. Validate trade lifecycle flows, OMS/EMS integrations, RFQ/D2C/D2D workflows, and data pipelines. Develop and maintain automated test suites, analyze results, drive defect resolution, and support SIT, UAT, and production validation activities.

The role involves designing and executing test plans, performing regression testing, identifying defects, and collaborating with teams to uphold quality standards. Automation of test cases is encouraged but not mandatory.

Join DevSquad as a Junior QA Engineer, collaborating with developers and product managers to test software, find bugs, and ensure quality. No experience necessary; keen learners encouraged.