Senior Full-Stack Software Engineer, Community Building

Stack

Responsibilities

• ▹Build the systems and features that power Acorns' organic growth engine: social graphs, engagement loops, referral mechanics, real-time interactions, sharing flows
• ▹Own features end-to-end: API design, server logic, implementation, instrumentation, iteration
• ▹Deliver features across iOS, Android, Web and backend services, using AI-assisted development tools in less-familiar codebases
• ▹Instrument work properly: define events, build visibility, and use data to iterate

Requirements

• ▹Experience building social or engagement systems at scale, feeds, referral flows, notification infrastructure, social graphs, or real-time interactions
• ▹Experience owning a feature end-to-end: data model, API, client, and production monitoring
• ▹Shipped production features across more than one client platform, iOS, Android, or Web
• ▹Instrumented a growth or engagement feature with analytics events and used data to drive iteration
• ▹Experience working in a fast-moving, low-process environment
• ▹Used AI-assisted development tools, Claude, Copilot, or similar, as genuine accelerators
• ▹Written production code or had exposure in two or more of: Swift, Kotlin, React Native, TypeScript, Dart, Python, serving millions of users

Soft skills

About the company

Acorns is a financial wellness app that helps everyday people and families save and invest.