Intermediate Python Developer (AI SaaS)

99x Brazil is seeking an Intermediate Python Developer to join our team focused on building AI-powered SaaS applications. In this role, you will collaborate with cross-functional teams to design, develop, and maintain scalable backend services that support cutting-edge AI features. You will work closely with data scientists, product managers, and frontend developers to deliver seamless AI experiences to our users.

Our client operates multiple AI SaaS businesses and is growing rapidly. We are looking for developers who want to work in a fast-paced environment focused on building and scaling AI-powered products. You will be trained in their internal development processes, AI-assisted workflows, and modern development practices using tools like Cursor and AI copilots to build faster while maintaining high engineering standards.

What you will work on

• Build and maintain AI SaaS products
• Develop backend services and APIs using Python
• Work on web applications and internal tools
• Collaborate on feature development and product improvements
• Use AI-assisted development tools to improve productivity and workflows
• Participate in rapid development and deployment cycles

Requirements

• Advanced English proficiency.
• 2-4 years of professional Python development experience.
• Familiarity with AI/ML concepts and frameworks (e.g., TensorFlow, PyTorch) is a plus.
• Experience building and consuming RESTful APIs.
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
• Understanding of SaaS architecture and microservices is preferred.
• Strong problem-solving skills and attention to detail.
• Good communication skills and ability to work in a collaborative team environment.
• Proactive attitude and eagerness to learn new technologies.
• Experience working wih tour tech stack: AWS, Flask, PostgreSQL, HTML, JavaScript, React, Node.js, Next.js

Benefits

• Your pick when it comes to employment models: CLT/PJ/Cooperativa;
• We provide resources for you to grow and learn on the job, including online courses, mentoring, and the latest gen laptops;
• A fully remote work environment with flexible working hours;
• Bonus for any referrals that we end up hiring;