Senior iOS Architect & SDK Lead (Hands-on)

Alexander Lyons Solutions; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Alexander Lyons Solutions is partnering with a multinational software vendor to hire a Lead iOS Engineer who will own the technical direction of its iOS SDK. This is a hands-on leadership role where you’ll set architecture, ship features personally, and act as the technical bridge between iOS, Android, Backend and Security.

You’ll drive long-term architecture, align API design with security trade-offs, stay hands-on with complex features and production issues, translate product requirements into

Qualifications

• Mastery of Swift and Objective-C interoperability with strong iOS security knowledge (Keychain, Secure Enclave, biometrics).
• Experience leading multiple teams and setting technical direction across products or platforms.
• Experience shipping and versioning public-facing frameworks with clean, stable APIs.
• Comfort operating in a matrixed organisation.

Responsibilities

• Drive long‑term architecture of a public-facing iOS SDK.
• Align API design and security trade-offs (RASP/anti-tamper) with the Android team.
• Stay hands‑on — tackle complex features and production issues.
• Translate product and business requirements into technical roadmaps.
• Mentor engineers across the mobile team.

Skills

Swift mastery

Objective-C interoperability

iOS security (Keychain/Secure Enclave)

Technical leadership

Public frameworks APIs design

Job description

Alexander Lyons Solutions is partnering with a multinational software vendor to hire a Lead iOS Engineer who will own the technical direction of its iOS SDK. This is a hands-on leadership role where you’ll set architecture, ship features personally, and act as the technical bridge between iOS, Android, Backend and Security.

You’ll drive long-term architecture, align API design with security trade-offs, stay hands-on with complex features and production issues, translate product requirements into