Staff iOS Engineer - Bitcoin & Wallets (Remote)

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

Benefits offered by this job

Remote work

Medical insurance

Flexible time off

Retirement plans

Job summary

Block, Inc. is seeking a Staff iOS Engineer to own the technical direction of a critical iOS domain focused on bitcoin and stablecoin.

This hands-on role involves prototyping, architecture decisions, production code, and leading end-to-end delivery across Cash App, Square, and Bitkey. You will mentor engineers, drive architectural reviews, and partner with product, design, and backend teams to align technical investments with product needs.

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

• Build and evolve the iOS product across bitcoin, stablecoin, and non custodial wallets.
• Own complex features end to end, including client architecture, service integration, testing, rollout, and post-launch improvements.
• Work with product and design to shape customer journeys, prototype new interactions, and turn open questions into delivery plans.
• Build prototypes, reference implementations, and critical paths that prove a direction before broader adoption.
• Contribute bitcoin and stablecoin technology to open source when it creates value for the broader community.
• Influence the technical direction within the product area, making explicit tradeoffs and sequencing dependencies with adjacent teams.
• Improve architecture and shared components where they improve speed, safety, or consistency.
• Build automated testing, observability, and safe rollout practices with security and privacy safeguards.

Skills

12+ years software experience

4+ years iOS development

Swift programming

Technical leadership

Tools

Xcode

Instruments

SwiftUI

UIKit

Bazel

Protobufs

Job description

Block, Inc. is seeking a Staff iOS Engineer to own the technical direction of a critical iOS domain focused on bitcoin and stablecoin.

This hands-on role involves prototyping, architecture decisions, production code, and leading end-to-end delivery across Cash App, Square, and Bitkey. You will mentor engineers, drive architectural reviews, and partner with product, design, and backend teams to align technical investments with product needs.