Senior Backend Engineer – Python/FastAPI, AWS, AI

Oscar Associates Limited is hiring a Backend Engineer to build scalable SaaS platforms from London. You will design REST and asynchronous services in Python 3.11 with FastAPI, interfacing across Java/Spring boundaries and PostgreSQL persistence.

You’ll ensure tenant isolation, access control and robust testing, while deploying on AWS (EKS/ECS, RDS, S3) and integrating OpenTelemetry/logging.#J-18808-Ljbffr…