Senior Full-Stack Software Engineer, Community
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Job Description
Senior full-stack engineer building Acorns’ social savings and organic growth features across mobile, web, and backend systems. Owning referral mechanics, engagement loops, real-time interactions, and analytics for millions of users.
Responsibilities:
- Build referral systems, social sharing flows, engagement loops, and real-time features driving Acorns’ organic growth
- Own features end-to-end from data model through shipped customer experience across mobile and web
- Deliver features across iOS, Android, Web, and backend services
- Define analytics events, build visibility, and use data to iterate quickly
- Own technical architecture and engineering quality standards
- Partner directly with the CEO, Senior Product Manager, and Senior Product Designer
- Build social graphs, engagement systems, notification infrastructure, referral mechanics, and real-time interactions
- Design data models, write APIs, ship clients, and monitor production features
- Create products serving millions of people investing and saving through Acorns
Requirements:
- Experience building social or engagement systems at scale, including feeds, referral flows, notification infrastructure, social graphs, or real-time interactions
- End-to-end full-stack feature ownership, including data modeling, API development, client implementation, and production monitoring
- Production feature delivery across more than one of iOS, Android, and Web, with depth in at least one platform
- Experience instrumenting growth or engagement features with analytics events and using data to guide iteration
- Experience working in a fast-moving, low-process environment with self-directed execution
- Experience using AI-assisted development tools such as Claude, Copilot, or similar code-generation tools
- Production coding experience or exposure in at least two of Swift, Kotlin, React Native, TypeScript, Dart, and Python
- Experience serving millions of users
- Demonstrated initiative through building a side project, open-source tool, or game mechanic
- Employment eligibility verification through E-Verify; applicants must answer questions about current or future U.S. work-authorization sponsorship
Benefits:
- Variable compensation
- Equity grants
- Discretionary cash bonus awards
- Medical benefits
- Financial benefits
- Other benefits
- 401(k) eligibility
- Vacation time
- Sick time
- Parental leave
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