Senior Python AWS Backend Data Engineer

Senior SWE with 8+ years across Amazon, JPMorgan Chase, and PayPal/Venmo. Builds data pipelines, distributed systems, and backend infrastructure, primarily using Python and AWS. Gravitates toward work with real-world stakes such as warehouse safety systems, trade settlement pipelines, and payments infrastructure. Currently building tooling to query New Jersey transit data with LLMs. Seeking mid/senior backend or data engineering roles at companies where engineering impacts real-world applications, preferably in Fintech, logistics, or urban spaces. NYC-based, US citizen.