99x Brazil is seeking an AI Senior Product Engineer with strong expertise in Angular, Node.js, and AI-native development workflows to join our growing team. We are looking for engineers who take full ownership of products and features from discovery to production, operate comfortably across the stack, and use AI as a core part of how they design, build, and scale solutions.

You will help shape technical direction, work directly with clients and stakeholders, and contribute to the evolution of engineering practices within teams. The ideal candidate has proven experience driving AI adoption and upskilling engineering teams on AI-assisted workflows, while remaining accountable for product quality, performance, and outcomes long after deployment.

Responsibilities

• Own product features end-to-end, from problem definition and architecture to deployment, monitoring, and continuous improvement
• Build AI-driven product experiences and integrate modern ...