iOS Developer

Job Title: iOS Developer

Location: NYC, NY :: Hybrid

Duration: Contract

Job Description:

Required Qualifications

• 6+ Years of professional native iOS development using Swift.
• Investment Banking / Financial Domain Experience: Direct experience developing capital markets, wealth management, or high-frequency trading platforms (handling execution order books, streaming FX/equities/bonds data, portfolio risk analytics).
• Advanced Concurrency Mastery: Expert knowledge of Swift Concurrency (async/await, TaskGroup, Actors) and Grand Central Dispatch (GCD) for lock-free, thread-safe data structures.
• AWS Cloud Infrastructure: Proven experience integrating iOS applications with AWS services (AWS SDK for Swift, API Gateway, AppSync, Cognito, Lambda, S3, DynamoDB).
• Reactive Frameworks: Deep experience with Combine or RxSwift for complex, high-volume event stream handling.
• Instruments & Profiling: Advanced proficiency with Xcode Instruments for tracking allocations, CPU bottlenecks, leaks, and energy impact.

Preferred Qualifications

• Hands-on experience with streaming message protocols (WebSockets, gRPC, Protobuf).
• Solid understanding of financial compliance requirements (FINRA, SEC, GDPR) and secure audit logging.
• Custom graphics rendering experience using Metal, Core Graphics, or Swift Charts for custom market indicators.