Senior iOS Engineer

Ondo Finance is building institutional-grade financial services on blockchain, with a dual focus on technology development and asset management. The company pioneered tokenized treasuries, stocks, and ETFs, and is now the market leader in these categories by assets under management. Founded by veterans of Goldman Sachs Digital Assets and backed by premier investors like Founders Fund, Coinbase Ventures, and Pantera Capital, Ondo operates as a fully distributed team across the United States.

Ondo Finance operates at the intersection of fintech and Web3, where institutional demand for tokenized assets continues to accelerate. The company's technology platform requires thoughtful, secure interfaces that help users navigate complex financial operations with confidence and clarity. This Senior iOS Engineer role sits at the heart of that mission, overseeing mobile product development end-to-end.

What you'll do

• Design and build native iOS features in Swift, managing the full lifecycle from initial architecture through App Store deployment and ongoing optimization.
• Translate complex financial workflows into intuitive mobile experiences by collaborating closely with design, product, and cross-functional engineering teams.
• Own critical flows including authentication, account state management, transaction handling, error states, and recovery from interruptions.
• Establish clear contracts between the iOS app and backend services, working with platform and server engineers to ensure reliability.
• Raise code quality through rigorous testing, observability work, code review practices, and analysis of real user patterns.
• Contribute to iOS technical strategy and strengthen the team through mentorship and thoughtful feedback.

What you'll bring

• Proven experience shipping and maintaining production iOS applications using Swift.
• Deep fluency with SwiftUI and practical knowledge of UIKit for appropriate use cases.
• Strong architectural thinking around state management, asynchronous operations, networking, data persistence, and app organization.
• Demonstrated ability to design for security, privacy, accessibility, and performance as first-class concerns.
• Ownership mentality: you can navigate ambiguous problems, make sound tradeoffs, and bring teams with you.
• Attention to both the details users love and the edge cases they should never encounter.
• Background building apps that handle sensitive account or transaction workflows.
• Familiarity with release automation, analytics platforms, and crash reporting tools.

Nice to have

• Previous experience with financial products, trading platforms, digital assets, or cryptocurrency wallets.

What they offer

• Competitive salary, token rights, and equity options tailored to your preferences, backed by strong funding.
• Comprehensive benefits including medical, vision, and dental coverage, plus flexible time off.
• Remote-first culture across multiple geographies with early-stage influence on team vision and practices.
• Leadership team and colleagues from Goldman Sachs, BlackRock, Two Sigma, Bridgewater, SpaceX, AWS, Meta, Google, and other top firms.