Staff iOS Engineer - Lead Secure Bitcoin Apps (Remote)

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

Benefits offered by this job

Remote work stipend

Job summary

Block is seeking a Staff iOS Engineer to own the technical direction of a critical iOS product area focused on bitcoin and stablecoins. This hands-on role requires prototyping, architectural decisions, production code, and end-to-end delivery with security and reliability in mind.

You will collaborate across Cash App, Square, and Bitkey teams, influence technical direction, and mentor others while shipping valuable features and improving interfaces and testing.

Qualifications

• 12+ years of professional software engineering experience, including 4+ years building native iOS products.
• Deep experience building, shipping, and maintaining native iOS products using Swift and Apple frameworks.
• Experience creating foundational systems, shared frameworks and tooling used widely on your team.
• A record of leading strategic initiatives with broad adoption and durable impact.
• Strong systems thinking, technical communication, mentoring, and organizational influence.

Responsibilities

• Own complex features end to end, including client architecture, service integration, testing, rollout, and post‑launch improvements.
• Lead architecture and design reviews across team boundaries.
• Mentor engineers through design discussions, code reviews, and structured guidance.
• Collaborate with product and design to shape customer journeys and delivery plans.
• Contribute to codebases beyond your iOS specialty.
• Improve shared components and testing practices for faster, safer delivery.

Skills

iOS Engineering

Swift

Architecture Leadership

Mentoring

Cross-Functional Collaboration

UIKit

SwiftUI

Combine

Tools

Xcode

Instruments

Bazel

Protocol Buffers

SwiftUI

UIKit

Job description

Block is seeking a Staff iOS Engineer to own the technical direction of a critical iOS product area focused on bitcoin and stablecoins. This hands-on role requires prototyping, architectural decisions, production code, and end-to-end delivery with security and reliability in mind.

You will collaborate across Cash App, Square, and Bitkey teams, influence technical direction, and mentor others while shipping valuable features and improving interfaces and testing.