Django/Flask) ( Essential ) Architect and optimise AWS infrastructure ( Lambda , ECS, EC2, RDS, S3, CloudFront, etc.) for reliability and cost efficiency Build and manage PostgreSQL databases hosted on Amazon RDS, including schema design, query optimisation, and backups Collaborate with frontend engineers (React/React Native/Swift) to integrate APIs … tools such as Cursor, Copilot, or a similar tool. This essential, as the team work these tools for speed and efficiency. Deep understanding of PostgreSQL (schema design, optimisation, migrations) and RDS management Proven experience building RESTful APIs for high-performance web and mobile applications Familiarity with Swift or React Native ...