Senior Backend Software Engineer developing backend services using Python at HyperFi. Collaborating with Tech Lead and CTO to design and implement scalable solutions.
Responsibilities
Build and extend core backend services in Python — everything from APIs and MCPs, to event handlers
Shape and implement key pieces of our domain model and service boundaries
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
Write code that’s clean, testable, and built for humans — not just machines
Requirements
6–8 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
Experience designing and consuming APIs — especially gRPC or service mesh patterns
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
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