Job Summary: We are seeking a Fullstack Developer (Python/React) to develop scalable, high-quality solutions with a strong focus on backend development, modern React, Python/FastAPI APIs, and AI in an AWS environment. Key Highlights: 1. Develop scalable, high-quality solutions across the full stack. 2. Build and maintain modern React applications with optimized performance. 3. Contribute to AI-powered features using LLMs and AWS services. About the Company At Sourcing Trust, we are committed to delivering innovative, reliable, and customized technology solutions that empower businesses to thrive in a rapidly evolving digital landscape. Focused on excellence, integrity, and collaboration, we build lasting partnerships by understanding each client’s unique needs and providing specialized support throughout every stage. Our team is dedicated to fostering a positive and inclusive work environment where every employee’s contribution is valued, encouraging continuous growth, learning, and shared success. Join us and become part of a passionate organization driven by innovation and excellence. About the Role We are looking for a Fullstack Developer (Python/React) to develop scalable, high-quality solutions across the full stack, with a strong emphasis on backend development. The role includes developing modern React applications, designing and evolving Python/FastAPI APIs, managing relational databases, building workflows in Airflow, and contributing to AI-powered features within an AWS environment. Requirements Strong expertise in backend development with Python + FastAPI. **Solid React experience:** components, hooks, state management, REST and GraphQL APIs, performance optimization. Strong SQL knowledge and experience with relational databases such as PostgreSQL or MySQL. Experience with Alembic for schema versioning. Experience building and maintaining workflows with Apache Airflow. **Practical AWS experience:** ECS, S3, RDS, DynamoDB, API Gateway, IaC, IAM. Practical experience with LLMs, LangChain, prompt engineering, and/or Amazon Bedrock. Strong communication skills, teamwork, organization, and proactivity. Experience in Agile environments such as Scrum or Kanban. Fluency in English. Key Responsibilities Develop scalable, high-quality solutions across the full stack, with emphasis on backend development. Build and maintain modern React applications, ensuring reusable components, efficient state management, and optimized performance. Design, implement, and evolve Python and FastAPI APIs, ensuring security, modularity, and high performance. Manage relational databases, optimize SQL queries, and maintain schema versioning with Alembic. Create and optimize DAGs in Apache Airflow for data-oriented workflows. Work with AWS services for application deployment, scaling, and monitoring. Apply Infrastructure-as-Code practices using Terraform or CloudFormation. Contribute to AI-powered features using LLMs, LangChain, and services such as Amazon Bedrock. Collaborate with cross-functional teams, participate in Agile ceremonies, and support continuous improvement. Ensure best practices in security, performance, documentation, and code quality. **Send your CV to:** with "IT_FDPR" in the subject line. **Join us:** #BecomeATruster **You can find the original job posting at:** https://www.itjobs.pt/oferta/512129/fullstack-developer-python-react