Senior QA Engineer

2 semanas atrás

São Paulo, São Paulo, Brasil Sur Tempo inteiro R$60.000 - R$78.000 por ano

We're looking for a highly technical QA Engineer with deep expertise in Windows internals, networking, and application compatibility testing. You will be responsible for validating low-level functionality such as drivers, hooks, and system APIs across our Windows Secure Enclave platform. This is not a checkbox QA role — you'll be reverse-engineering app behaviors, designing compatibility matrices, and creating regression suites that validate complex interactions between Windows components, 3rd party software, and integrations into the Windows ecosystem.

This role sits within a deeply technical team building endpoint security and system-level compatibility software for unmanaged or BYOD endpoints. You'll work side-by-side with developers who write kernel-mode and user-mode code.

About the role: Design and execute test strategies for low-level Windows functionality: file system filters, network stack integrations, kernel/user hooks, etc. Test application compatibility for hundreds of real-world desktop applications in containerized/sandboxed environments. Build and maintain robust manual and automated regression test suites. Investigate complex system interactions, using tools like Process Monitor, WinDbg, ETW, and Sysinternals. File, isolate, and document hard-to-reproduce defects with deep system context. Collaborate with developers and product managers to understand technical requirements and corner cases. Develop automation tools and scripts (Python, PowerShell, C#) to streamline regression and compatibility testing. 5+ years of Windows QA or SDET experience, with a focus on drivers, internals, or endpoint security products. Deep understanding of Windows OS internals (e.g., kernel/user-mode transitions, ALPC, WFP, NDIS, minifilters, etc.). Proven experience testing file systems, registry behavior, networking stacks, service lifecycles, and Group Policy interactions. Comfort working with debuggers, profilers, and diagnostic tools. Strong experience validating application behavior in controlled/sandboxed environments. Familiarity with compatibility testing of major enterprise apps (MS Office, Zoom, Teams, Citrix, VPNs, etc.). Scripting and automation experience in Python, PowerShell, or C#. Strong communication skills and meticulous bug reporting practices.

Salary Range: $6500 USD /month + Holidays

Unlimited PTO

  • QA Engineer Senior

    2 semanas atrás

    São Paulo, São Paulo, Brasil Pacifica Continental Tempo inteiro R$90.000 - R$120.000 por ano

    Nosso cliente está procurando um QA ENGINEER SENIOR para entregar a sua equipe em São Paulo. O profissional se concentrará em automação e sua principal responsabilidade será a priorização dos cenários a serem automatizados. Principais responsabilidades:Automatizar testes web/api;Realizar testes funcionais;Criar e executar scripts de testes de...

  • Senior Product QA Engineer

    Há 3 dias

    São Paulo, São Paulo, Brasil Happening Tempo inteiro R$60.000 - R$120.000 por ano

    About The RoleSuperbet is building the future of entertainment across Europe and Brazil - with millions of active users and over €1B in annual revenue.OurCore Experienceorganization owns the surfaces that shape how players discover, play, and engage every day.We're now looking for a Senior Product QA Engineer to help us turn our homepage - one of the most...

  • QA Engineer

    Há 7 dias

    São Paulo, São Paulo, Brasil BairesDev Tempo inteiro R$80.000 - R$120.000 por ano

    At BairesDev, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.When you apply for this position,...

  • Senior QA Engineer

    2 semanas atrás

    São Paulo, São Paulo, Brasil Sur Tempo inteiro R$78.000 - R$156.000 por ano

    We're looking for a highly technical QA Engineer with deep expertise in Windows internals, networking, and application compatibility testing. You will be responsible for validating low-level functionality such as drivers, hooks, and system APIs across our Windows Secure Enclave platform. This is not a checkbox QA role — you'll be reverse-engineering app...

  • QA Engineer

    2 semanas atrás

    São Paulo, São Paulo, Brasil Capco Tempo inteiro R$90.000 - R$120.000 por ano

    A Capco é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 33 escritórios nas Américas, Europa e Ásia-Pacífico Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreiraComo...

  • QA Automation Engineer

    Há 18 horas

    São Paulo, Estado de São Paulo, Brasil eNor Securities Tempo inteiro

    QA Automation Engineer | ENOR SECURITIESeNor Securities is a growing company specializing in digital assets and asset tokenization. Our team brings extensive experience in both traditional and digital financial markets, operating with innovation, security, and excellence. We are seeking a QA-focused software engineer specialized in test automation to ensure...

  • QA Engineer

    1 dia atrás

    São Paulo, São Paulo, Brasil TestFly Tempo inteiro R$40.000 - R$120.000 por ano

    TestFly is growing We're looking for a QA Engineer with strong automation and testing fundamentals to join our São Paulo team. In this role, you'll work closely with international developers, SDETs, and product teams to ensure our gaming and systems projects reach the highest quality standards. You'll help design robust test plans, build and maintain...

  • QA Automatizador

    Há 5 dias

    São Paulo, Estado de São Paulo, Brasil FOURSYS Tempo inteiro

    QA Automatizador (Sênior)Sobre a OportunidadeSe você é apaixonado por qualidade, tecnologia e inovação, essa oportunidade é para você!Buscamos um(a) QA Automatizador(a) Sênior que será uma peça-chave na garantia da qualidade de nossos produtos e soluções digitais, atuando de forma estratégica desde as etapas iniciais de desenvolvimento.O(a)...

  • BRA - QA Engineer (Part-Time)

    1 dia atrás

    São Paulo, São Paulo, Brasil Tidal Tempo inteiro R$60.000 - R$180.000 por ano

    Job Title: QA EngineerContractor Fee: $15/hour (USD)Work Arrangement: RemoteEngagement Type: Independent ContractorCommitment: Part-time (Approx. 20 hours/week, 4 hours/day)Contract Duration: 6-month contract, project-basedCompany Overview:Tidal is a Direct Placement Agency that helps job seekers find job opportunities for real growth. We work with stable,...

  • QA Automation Engineer Jr

    Há 5 dias

    São Paulo, Estado de São Paulo, Brasil LTIMindtree Tempo inteiro

    QA Automation Engineer Jr - Vaga Afrimativa para MulheresLanguage: English and PortugueseDuration: 1 yearPosition: Hybrid, 2x to 3x in OfficeExperience: Up to 4We are looking for a QA Automation Engineer with solid experience in both automation and manual testing. The ideal candidate will be skilled in writing and executing test cases, working in Agile...