Job Summary: We are seeking a versatile Full Stack Developer to develop and maintain robust applications, ranging from modern API development to web and mobile interfaces. Key Highlights: 1. Develop and maintain robust APIs with Python and C# 2. Build web interfaces with React and mobile applications with Flutter 3. Manage and provision cloud infrastructure on AWS Job Summary: We are looking for a versatile Full Stack Developer to work on-site with our team in Cascavel/PR. You will be responsible for developing and maintaining robust applications, ranging from modern APIs built with Python and C# to web and mobile interfaces. * Key Responsibilities: Develop and maintain RESTful APIs using Python (FastAPI) and C#. Implement AI orchestration workflows using LangGraph. Build interactive web interfaces with React and cross-platform mobile applications with Flutter. Manage and provision cloud infrastructure on AWS (EC2, ECS, Lambda, RDS). Ensure code quality, application performance, and scalability. * Mandatory Requirements: Solid backend development experience with Python and C#. Proficiency in FastAPI for microservices. Knowledge of LangGraph for agent/graph construction. Frontend web development experience with React.js and mobile development experience with Flutter. Practical experience with AWS services: RDS (relational databases), Lambda (serverless), ECS (containers), and EC2. Knowledge of Docker and Kubernetes. Reside in Cascavel/PR or be available for immediate relocation (100% on-site work). * Preferred Qualifications: Experience integrating LLMs (OpenAI, Anthropic, etc.).