Senior Java Backend Engineer | Data Ingestion & AWS ETL

Quant Capital in London is seeking a mid-to-senior Java developer to build and enhance backend services, APIs, batch jobs and system integrations. You will own the data ingestion layer and contribute to tool building for the wider firm.

The role requires 10+ years producing production systems, strong SQL/PostgreSQL, and at least some Python for ETL work. A lean, high-impact team offers growth and exposure to AWS patterns and data-driven platforms.