QA with Security Fix Validation Expertise

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. At CI&T, our rapid growth is fueled by the innovative solutions we create for our global clients. We are seeking a detail-driven QA to safeguard quality on a security remediation squad serving a large US mortgage lender. Remediation at volume is where regressions hide, and you will be the control that keeps throughput from costing the client stability — proving each fix works and nothing else broke. Responsibilities: • Validate remediation fixes by confirming the vulnerability no longer reproduces and intended behavior remains intact. • Design and execute regression testing around each fix, focusing on the blast radius of dependency upgrades and configuration cha... Click Apply to read the full job description.