Backend Engineering

4 days ago


San Francisco CA, United States HyperFi Full time

We're building the kind of platform we always wanted to use: fast, flexible, and built for making sense of real-world complexity. Behind the scenes is a robust, event-driven architecture that connects systems, abstracts messy workflows, and leaves room for smart automation. Were a well-networked founding team with strong execution roots and a clear roadmap. We're looking for a Senior Backend Software Engineer to join early. Youll work closely with the Tech Lead and CTO, contributing directly to architecture, implementation, and internal tooling and have real influence over how this thing takes shape.
#Build and extend core backend services in Python everything from APIs and MCPs, to event handlers
Own integrations between internal systems and external platforms via gRPC and REST
Contribute to system architecture alongside the Tech Lead and CTO
Work with Postgres and event-driven pipelines, designing schemas and migrations as code
Help lay the groundwork for developer tooling, observability, and automated testing
Python (async-first, service-oriented)
Youll help evolve this stack we care about getting it right, not being dogmatic.
Ship daily, safely: merge early, integrate vertically, ship often, use feature flags, and keep momentum
Bold problems, cool tech: work on complex challenges that actually move the needle
68 years of professional experience building production backend systems
~ Strong Python fundamentals, with real-world async or service-layer experience
~ Solid understanding of relational data models, schema design, and SQL optimization
~ Familiarity with software architecture principles, even if you're not the architect
~ Comfort navigating ambiguity, collaborating with other senior engineers, and shipping code that matters
~ Confident English skills to collaborate clearly and effectively with teammates
~ Know how to build and evolve a local dev/test environment
~ Full-time role with competitive comp
~ Flexible hours, async-friendly culture, engineering-led environment


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