AWS Data Engineer | 6m Contract | London, Hybrid - Outside IR35 Daily Rate: £570 per day (Outside) Team: Data Engineering - Application Development Overview: Opus have partnered with a London Financial Services company who're seeking a Senior AWS Data Engineer with a background in Application Development to support in architecting and delivering a new PostgreSQL‑driven data platform which will be used to support core functions across investment reporting, risk analysis, regulatory output, and performance measurement. This is a high‑impact greenfield build. You’ll take full ownership of the platform’s design and lead the transition away from Databricks and Excel-centric processes—shaping critical infrastructure that underpins the organisation’s investment operations. What You’ll Work On You’ll be responsible for designing and developing a scalable, secure PostgreSQL environment capable of supporting: Portfolio valuation and holdings data Performance and attribution reporting Risk and analytics outputs Regulatory and trustee disclosures Data governance and operational controls You’ll also oversee the migration of structured datasets from Databricks (Delta Lake/Spark) and replace manual Excel workflows with automated, well-governed pipelines to meet audit and regulatory standards. Key Responsibilities Build and maintain a secure PostgreSQL-based data ...