Senior iOS Architect & Platform Lead (Remote)

Block; San Francisco (CA); Remote; USD 264,000 - 395,000; Full time

Benefits offered by this job

Remote work

Medical insurance

Flexible time off

Retirement savings plans

Family planning

Job summary

Block, Inc. is seeking an exceptional senior iOS engineering leader to set direction for architecture, performance, reliability, security, and developer experience across seller-facing software. You will drive strategic initiatives, build scalable frameworks, and empower teams to adopt durable, high-quality practices.

You will mentor senior engineers, reduce bottlenecks, and create interfaces and documentation that enable broad adoption, even as you lead complex migrations over multiple quarters.

Qualifications

• 12+ years of professional software engineering experience.
• 8+ years in roles where mobile engineering was a primary responsibility.
• 4+ years building native iOS products.
• Deep expertise across modern and legacy iOS frameworks, Swift, and Objective-C.
• Experience creating foundational systems, shared frameworks, or developer tooling used across multiple teams.
• A record of leading strategic, multi-quarter initiatives with broad adoption and durable impact.
• Experience connecting platform strategy to customer-facing and multi-tenant SaaS products that support business operations.
• Strong systems thinking, technical communication, mentoring, and organizational influence.

Responsibilities

• Find and frame systemic iOS problems that do not yet have clear ownership.
• Define strategy, architecture, standards, and measures of success across teams and applications.
• Build prototypes, reference implementations, and the critical path needed to prove the direction.
• Lead multi-quarter migrations and foundational initiatives through broad adoption.
• Establish durable practices for quality, testing, observability, release safety, and maintainability.
• Develop senior engineers and create an ownership model that does not depend on you as a permanent bottleneck.

Skills

Software engineering

Mobile engineering

iOS development

Swift

Objective-C

Technical leadership

Systems thinking

Mentoring

Tools

SwiftUI

UIKit

Xcode

Swift Concurrency

Combine

Job description

Block, Inc. is seeking an exceptional senior iOS engineering leader to set direction for architecture, performance, reliability, security, and developer experience across seller-facing software. You will drive strategic initiatives, build scalable frameworks, and empower teams to adopt durable, high-quality practices.

You will mentor senior engineers, reduce bottlenecks, and create interfaces and documentation that enable broad adoption, even as you lead complex migrations over multiple quarters.