Senior Backend Software Engineer | AI Engine

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Software Engineer | AI Engine based in Brazil. This role offers the opportunity to build and scale AI-powered backend systems that serve real users and drive the future of digital wellbeing.You will design, develop, and operate reliable services that integrate advanced AI capabilities into production environments.The position combines backend engineering excellence with innovation in LLM-based systems, distributed architectures, and intelligent automation.You will work alongside talented engineers, product teams, and data specialists to transform ideas into impactful solutions.The role requires strong ownership, technical judgment, and the ability to solve complex problems in a fast-moving environment.This is an opportunity for a senior engineer to influence architecture, improve engineering practices, and create technology that impacts millions of users globally.