Lead iOS Engineer - Real-Time Finance & High-Perf Cloud

Nexiva Inc; New York (NY); On-site; USD 150,000 - 190,000; Full time

Job summary

Nexiva Inc. seeks a Senior iOS Developer to design and optimize enterprise iOS apps for investment banking clients in New York City. You will own advanced Swift-based UI and architecture, delivering ultra-fast, secure mobile experiences for high-frequency data.

The role demands deep expertise in Swift, Combine/SwiftUI, and AWS cloud-native backends, with on-site collaboration and a focus on performance, security, and reliability in a demanding financial environment.

Qualifications

• 6+ years of native iOS development with Swift.
• Experience in investment banking/financial domains preferred.
• Proficient in Swift Concurrency (async/await, Actors) and GCD.
• Proficient with AWS cloud services integration.

Responsibilities

• Architect, build, and maintain native iOS applications adhering to modern patterns.
• Render high-frequency UIs handling real-time market data without main-thread blocking.
• Integrate AWS services and secure network communications.
• Tune performance using Xcode Instruments and optimize memory usage.
• Implement security measures including OAuth2/OIDC and biometrics.
• Lead automated testing and CI/CD workflows.

Skills

Swift

iOS development

High-performance mobile architectures

AWS

Swift Concurrency

Networking

Tools

Xcode Instruments

AWS SDK for Swift

Fastlane

GitHub Actions

Job description

Nexiva Inc. seeks a Senior iOS Developer to design and optimize enterprise iOS apps for investment banking clients in New York City. You will own advanced Swift-based UI and architecture, delivering ultra-fast, secure mobile experiences for high-frequency data.

The role demands deep expertise in Swift, Combine/SwiftUI, and AWS cloud-native backends, with on-site collaboration and a focus on performance, security, and reliability in a demanding financial environment.