selffinancial · Austin, TX
Skills: Python, SQL, AWS
About Self Financial Self Financial is a venture-backed, high-growth FinTech company with a mission to increase economic inclusion and financial resilience by empowering people to build credit and build savings. We challenge the status quo of the credit industry by giving people accessible tools to take control of their credit, with a focus on the 100 million+ Americans who have no or low credit. We're looking for people who share our passion, tackle challenges, find solutions, and make the financial space better for the communities we serve. Title Senior Software Engineer – Business Systems Team Business Systems Team. Builds and operates the integration layer that connects our core platforms (CRM, payments, and internal services) to the tools our customer-facing teams use every day. It's a high-traffic, latency-sensitive environment: our services handle hundreds of thousands of requests a day, and performance directly affects people using them in real time. Location: Austin, TX. Work Arrangement: Austin - Hybrid or Remote About the Role You'll own real production performance problems backed by real data, not hypothetical scaling concerns. The team recently completed an evidence-based incident investigation that traced a latency issue to specific code-level causes and shipped fixes that measurably cut error rates and response times. If you like solving concrete, high-impact problems and can back your reasoning with data, you'll fit right in. What you'll do: Design, build, and maintain Python REST services that integrate our CRM platform with payments, account management, and internal data services Diagnose and resolve production performance issues, including blocking I/O, connection handling, caching, and API latency under load Use async Python (asyncio) to parallelize I/O-bound work safely, and implement and tune caching layers (e.g., Redis) Build and maintain CRM integrations (e.g., Salesforce), including data queries and REST-based sync Deploy and operate service…
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