Senior iOS Engineer, Neighborhoods

You Will

• 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

Qualifications

• 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

Technologies We Use and Teach

• SwiftUI, UIKit, Swift Concurrency, Combine
• Protocol Buffers
• Bazel for our build environment
• AI tools including Cursor, Claude Code, Goose

Compensation

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area.

• Zone A: $217,800–$326,800 USD
• Zone B: $207,000–$310,400 USD
• Zone C: $196,100–$294,100 USD
• Zone D: $185,200–$277,800 USD