Senior Platform & Backend Engineer – Python, AWS, Data APIs
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Theia Insights is building foundational financial intelligence products for institutional investors. This role focuses on producing reliable, scalable REST endpoints (FastAPI) and managing access to large datasets using Pandas, Parquet/Arrow and DuckDB.
You’ll own the identity layer (OAuth2, JWT, API keys) in a multi-tenant SaaS setup on AWS and contribute to data-facing services and occasional frontend work.