Tech Lead, iOS

The Role

What you’ll do

Who you are

• You have strong hands-on iOS development experience with Swift, including experience building production applications.
• You have practical experience working on a Web3 product, such as a wallet, DeFi application or product integrating with blockchain networks, and an understanding of crypto and trading.
• You have experience with iOS build and CI/CD workflows and monitoring production applications.
• You have experience making technical and architecture decisions for an iOS application.
• You communicate technical trade-offs clearly and work well with Product, Android and QA.
• You are comfortable taking ownership of the iOS application while working independently as its primary iOS technical owner.
• You are pragmatic: you can move quickly while keeping reliability, security and maintainability in mind.
• You use AI tools thoughtfully, question their output and take responsibility for the code you deliver.
• Nice to haves
• Experience building or maintaining a non-custodial wallet.
• Experience with transaction signing, wallet recovery or transaction lifecycle flows.
• Experience building modular, testable applications and handling asynchronous operations and network failures.
• Experience with security-sensitive mobile functionality, mobile security reviews or incident response.
• Hands-on experience with UIKit or SwiftUI; experience with both is not required.

Nice to haves

Responsibilities

• Own the iOS architecture and technical direction, balancing feature delivery, maintainability, performance and security.
• Build and improve modular, testable application components, and guide implementation across complex wallet flows.
• Implement wallet features and technical improvements across the iOS application.
• Integrate the application with backend services, blockchain networks and related wallet services.
• Work with Product, Android, Backend, Blockchain and QA on shared product behaviour, API integrations, test coverage and defect investigation
• Use AI-assisted tools in development and testing, reviewing and validating their output against engineering, quality and security standards.
• Protect sensitive information by keeping private keys, recovery phrases, credentials and user data out of AI prompts and inappropriate logs.
• Own and improve the iOS build and CI/CD workflow; monitor releases, investigate production issues and coordinate fixes and improvements to stability.