Founding Backend Engineer - Remote (USA)
Core
Design, build, and scale backend services and APIs for a mobile-first AI-powered marketplace connecting users to spontaneous real-life micro-events.
Role type
Founding Backend Engineer
Builds
Public iOS/Android app and backend infrastructure for a marketplace platform
Domain
Consumer marketplace, real-time data, cloud infrastructure
Required skills
Backend system design and scaling, FastAPI, PostgreSQL, AWS (Kinesis, Lambda, S3, CloudFront), NoSQL (DynamoDB), authentication and session management, real-time data pipelines, media handling pipelines, database schema architecture
Preferred skills
Experience building or scaling marketplace platforms with logistics flows (matching, routing, ticketing, fulfillment)
Technologies
FastAPI, PostgreSQL, DynamoDB, AWS (Kinesis, Lambda, S3, CloudFront), FastAPI Users
Responsibilities
Design and maintain backend services and APIs, implement secure authentication flows, develop real-time data pipelines for interaction logging, build and optimize media handling pipelines, architect and tune database schemas, collaborate with mobile/frontend engineers, manage full software development lifecycle
Seniority
Senior, hands-on IC with founder-level ownership