Senior iOS Engineer (FinTech, AI-Driven, High-Scale)

Software@Scale; Sydney; On-site; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Claude Code access

Career growth pathways

Meaningful fintech projects

Competitive remuneration

Job summary

Software at Scale is seeking an AI-empowered Senior iOS Engineer to take ownership of a high-scale, banking-grade mobile app. You will lead modernization using the latest Swift, implement hardware-backed security, and ensure robust API integration for a secure user experience.

You will work in a high-trust, empowered environment and have access to enterprise GenAI tooling, including Claude Code, to accelerate refactoring and feature delivery.

Qualifications

• Proven history designing and scaling large iOS apps.
• Deep expertise in modern Swift (SwiftUI, Combine, concurrency).
• Commercial background in banking/fintech mobile apps with secure tokenisation.
• Experience with high-volume API integration and network security.
• Focus on app performance, battery life, and offline data sync.
• Practical use of Claude Code and AI tooling to accelerate development.

Responsibilities

• Lead native app modernization using latest Swift libraries and architectures.
• Architect banking-grade security including iOS Keychain and Passkeys flows.
• Ensure stability and security for high-volume financial transactions and credit card entry.
• Orchestrate integration with a large backend of REST/GraphQL microservices.
• Optimize performance, memory, and rendering under heavy load.
• Leverage Claude Code and AI tools to speed refactoring and feature delivery.
• Maintain CI/CD pipelines (Fastlane, GitHub Actions) for secure App Store releases.

Skills

Large-Scale Mobile Experience

Swift Mastery

Fintech Security Expertise

API Integration Pro

Performance Obsession

AI Fluency

Tools

Claude Code

iOS Keychain

Passkeys

Fastlane

Job description

Software at Scale is seeking an AI-empowered Senior iOS Engineer to take ownership of a high-scale, banking-grade mobile app. You will lead modernization using the latest Swift, implement hardware-backed security, and ensure robust API integration for a secure user experience.

You will work in a high-trust, empowered environment and have access to enterprise GenAI tooling, including Claude Code, to accelerate refactoring and feature delivery.