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# Software Sr Engineer - iOS

- **Company:** RSA LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $100,000.0 - $140,000.0
- **Contract:** Permanent contract
- **Skills:** Multitier Architecture, Application Programming Interfaces (APIs), App Store (IOS), Architectural Patterns, C++ (Programming Language), Cyber Security, Fraud Prevention and Detection, Design of User Interfaces, Network Security, Model View ViewModel, Performance Tuning, Security Software, Software Engineering, EndPointSecurity, Uikit, Swiftui, Delivery Pipeline, Swift (Programming Language), Core Data, Tenable Nessus, Objective C++, Restful APIs
- **Published:** October 22, 2026
- **Apply:** https://startup.jobs/software-sr-engineer-ios-rsa-career-opportunities-10538301

## About the Role

We are seeking a talented and security-minded Senior iOS Engineer to join our engineering team. This is a chance to work on products that matter, alongside some of the most experienced engineers in the industry. This role is a strong fit for someone who enjoys deep technical challenges, likes building elegant solutions to complex problems, and wants to keep growing. You will be joining a team that values technical excellence, curiosity, ownership, and creative thinking. The environment is flexible and entrepreneurial, with room to explore ideas, move quickly, and make a real impact., * Deep understanding and mastery of Swift, Objective-C and C/C++.

 * Strong expertise in SwiftUI , UIKit and Storyboards, ensuring UI/UX flows remain highly intuitive while adhering to enterprise security constraints.
 * Proven experience with architectural patterns such as MVVM or Clean Architecture, along with asynchronous and concurrency concepts.
 * Strong analytical skills and a habit of thinking outside the box.
 * A builder mindset with the ability to work independently and take ownership.
 * Clear communication skills and the ability to collaborate with a high-level technical team., * Hands-on experience with the Apple Security framework, CryptoKit, and the Keychain API. Understanding of cryptographic principles (AES, RSA, ECC, hashing).
 * Experience with Core Data.
 * Deep understanding of secure networking, REST APIs, and mitigating man-in-the-middle (MITM) attacks.
 * Experience with App Store Connect, enterprise provisioning profiles (MDM/MAM environments is a plus), and secure release pipelines.
 * Experience with automated security scanning tools integrated into CI/CD pipelines.
 * Experience working in cybersecurity, identity, fraud prevention, device security or related domains.

 * Knowledge of performance optimization, and hardening mobile apps., * Experience: 5+ years of professional software engineering experience, with 3+ years dedicated specifically to native iOS development.

## Description

You will have the opportunity to learn from highly experienced developers and security experts. You will work closely with people who have solved difficult engineering problems in the real world, and who care deeply about building great software.