Backend Developer - AI-Powered Marketing SaaS - South America

We’re building a brand-new SaaS platform from scratch—no legacy code, full ownership, and the opportunity to shape the architecture from day one. The product is a marketing analytics and reporting system that helps users surface insights across their entire funnel. A core aspect of this platform will be an AI agent that monitors all marketing data and generates clear, actionable insights. Your backend systems will power this intelligence layer. What You’ll Build Core backend architecture for a new SaaS platform ETL/data pipelines for marketing funnel analytics Integrations with AI/LLM services and data-processing workflows APIs that support dashboards, reports, and automated insight generation Real-time or near–real-time data ingestion using event-driven tools Responsibilities Design and implement backend services using Python or Node.js Work with PostgreSQL (or similar relational databases) to structure and query data Build and maintain data pipelines, including tools like Kafka (or similar message/event systems) Collaborate with AI engineers to support AI-driven features and prompt-engineering pipelines Ensure scalability, reliability, and performance across the backend Partner closely with frontend developers to deliver fast, efficient APIs Required Skills Proficiency in Python or Node.js Strong experience with PostgreSQL or similar databases Hands-on experience with Kafka or similar event streaming tools Comfort working with data-heavy systems and structured/unstructured data Experience building production APIs and backend systems Ability to work in a greenfield environment with high autonomy Nice to Have Experience with AI/LLM tools or prompt engineering Background building analytics dashboards or marketing data systems Experience developing AI agents that operate on data streams Unlimited Paid Time Off (PTO): We believe in work-life balance and trust our team to manage their time responsibly Flexible Equipment Provisioning: We’ll make sure you have the tools you need to succeed—case by case Commission Opportunities: Earn additional income based on the performance of accounts you manage Remote-First Culture: Work from wherever you’re most effective Collaborative Team: Join a tight-knit team where your ideas and leadership will directly shape client outcomes