Senior iOS Engineer, Neighborhoods

Block•Bay Area, CA, United States of America, CA

23h•$185,200 - $326,800•Remote

About The Position

Launched in October 2025, Neighborhoods is a new network between Cash App and Square that gives local businesses the ability to offer online ordering with the power of a mobile app. Sellers get their own branded storefront, accessible on both web and inside Cash App. Customers can seamlessly order ahead, reorder, earn rewards and stay connected to support the businesses they love. With 4 million sellers using Square and 57 million monthly active accounts on Cash App, we have a unique opportunity to connect local sellers and local customers in their area. As a senior iOS engineer on the Neighborhoods team, you will help bring the vision of the neighborhood network to life. You will shape the technical direction for Neighborhoods mobile experiences across Cash App and Square Point of Sale, while staying hands-on with the systems and features that help customers discover and support local businesses. You will lead cross-team technical decisions, work across organizational boundaries with teams in Square and Cash App, and help other engineers deliver reliable, high-quality product experiences. We are a small, collaborative and remote-friendly team. We believe in people over process, value authenticity and openness, and have a bias for action. Come join us!

Requirements

8+ years of relevant experience with iOS engineering design and implementation, including deep Swift and Objective-C experience
Experience leading iOS architecture with unidirectional data flow, declarative UI frameworks, and scalable mobile patterns
Experience leading medium-to-large, multi-person mobile initiatives that cross team boundaries, from ambiguous problem framing through delivery, including applying AI tools thoughtfully to improve engineering speed, quality, and learning
Proven ability to work across team boundaries and disciplines to deliver remarkable solutions to customers
Track record shaping team mission and roadmap, rallying others around technical direction, and mentoring engineers to expand their scope and impact

Responsibilities

Lead major Neighborhoods mobile workstreams across Cash App and Square
Lead major mobile workstreams within a company-level initiative to redefine local commerce and connect the Square and Cash App ecosystems
Drive cross-team architecture and execution with teams across Square and Cash App to deliver seamless integration of Neighborhoods loyalty, marketing, and ordering features in Cash App running on Square’s platform
Shape the mobile systems that connect customer discovery in Cash App with seller ordering and fulfillment workflows in Square Point of Sale
Stay hands-on in iOS development using SwiftUI, Workflow, and related technologies across the Square Point of Sale and Cash App codebases, making tradeoffs that keep mobile experiences reliable, scalable, and polished
Partner with backend, web, and Android engineers to ship features with a focus on quality and craft, while mentoring engineers and raising the technical bar for the team
Work cross-functionally with product managers and designers to define product scope, sequence ambiguous work, and make clear technical and product tradeoffs
Lead as an AI-native product engineer
Use AI tools as a native part of feature development: exploring unfamiliar codebases, prototyping product ideas, accelerating implementation, generating tests, improving observability, and tightening documentation
Identify, teach, and scale practical AI-assisted workflows for product engineering, especially in cross-codebase feature work, migration, debugging, QA, experimentation, and rapid iteration
Apply strong judgment around AI-generated work: verify behavior, protect customer trust, preserve maintainability, and use AI to raise the team’s technical bar
Model how a senior engineer uses AI to multiply impact without losing product taste, architectural ownership, or accountability for the systems we ship