Description: We are seeking a Senior Python Developer with solid experience in FastAPI and the LangGraph and/or LangChain frameworks to work on high-complexity and high-performance projects. The professional will be part of an innovative team, developing solutions that leverage natural language processing and modern software architecture. Responsibilities and duties * Develop and maintain high-performance APIs using FastAPI; * Implement and integrate solutions with LangGraph and/or LangChain for natural language processing and complex data flows; * Design and optimize scalable and secure architectures; * Collaborate with product and data teams to understand requirements and deliver aligned solutions; * Conduct code reviews and ensure development best practices; * Monitor and optimize application performance in production; * Document technical processes and implemented solutions. Requirements and qualifications * Bachelor's degree in Computer Science, Software Engineering, or related fields; * Minimum of 5 years of experience with Python (backend); * Proficiency in FastAPI; * Proven experience with LangGraph and/or LangChain in real-world projects; * Knowledge of relational databases (PostgreSQL, MySQL) and non-relational databases (MongoDB); * Familiarity with Clean Code, TDD, and CI/CD; * Experience with Git and cloud environments (AWS, Azure, or GCP); * Strong communication skills and ability to work in multidisciplinary teams. 2510180202231104539