Remote Senior iOS Architect & Tech Lead

Block, Inc.; California (MO); Hybrid; USD 264,000 - 395,000; Full time

Benefits offered by this job

Remote work

Medical insurance

Flexible time off

Retirement savings plans

Job summary

Block, Inc. is seeking a senior iOS engineering leader to set direction for architecture, performance, reliability, and developer experience across seller-facing applications.

You will drive important, unowned problems, prove directions through hands-on work, and enable other teams to join via interfaces and documentation. You will lead senior engineers, establish durable practices, and shepherd multi-quarter migrations while ensuring security, reliability, and customer trust in a distributed,

Qualifications

• 12+ years of professional software engineering experience.
• 8+ years in roles where mobile engineering was a primary responsibility, including 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.

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

iOS architecture

Swift

Objective-C

Mentoring

Strategic leadership

Tools

Xcode

Instruments

Protocol Buffers

Job description

Block, Inc. is seeking a senior iOS engineering leader to set direction for architecture, performance, reliability, and developer experience across seller-facing applications.

You will drive important, unowned problems, prove directions through hands-on work, and enable other teams to join via interfaces and documentation. You will lead senior engineers, establish durable practices, and shepherd multi-quarter migrations while ensuring security, reliability, and customer trust in a distributed,