Senior iOS Engineer – Live Auctions & Real-Time Commerce

Socket.dev; New York (NY); On-site; USD 160,000 - 200,000; Full time

Job summary

Fanatics is seeking an experienced iOS engineer to join the Instant Rips team on Fanatics Live. You will design and ship production iOS features for live-break experiences including auctions, streams, chat, marketplace, and collector tools.

The role requires 5+ years building consumer-facing iOS apps at scale, SwiftUI and Swift Concurrency, TCA, Apollo GraphQL, and a strong focus on testability, modular architecture, and CI/CD. Experience with AI tooling is a plus.

Qualifications

• 5+ years building consumer-facing iOS applications at scale.
• Hands-on with AI-assisted development tooling, LLM optimization loops, Xcode CLI integration.
• Swift Concurrency — async/await, structured concurrency.
• SwiftUI — static/stateful patterns, NavigationStack, performance-aware composition.
• The Composable Architecture (TCA) — Reducer/Store/Action/State, testing with TestStore.
• Apollo GraphQL (iOS) — schema-driven development, Swift codegen, subscriptions.
• SPM multi-package architecture — modular feature separation, clean dependency graphs.
• Tuist or XcodeGen — project generation tooling; CI/CD with Bitrise/Fastlane.
• Static analysis — SwiftLint, Periphery or equivalent.
• Structured commit/PR discipline tied to a tracker (Linear/Jira).

Responsibilities

• Design and ship production iOS features across live-break experience: auctions, stream viewing, chat, marketplace, and collector tools.
• Own features end-to-end — API contracts, TCA reducers, SwiftUI views, testing, and release.
• Write genuine test coverage: unit tests with mock dependencies, TCA.
• TestStore assertions, async test patterns.
• Review pull requests with judgment: surface real defects and coach peers.
• Contribute to architectural decisions: modularization, effect management, failure handling.
• Mentor engineers earlier in their career and raise the quality bar across the team.

Skills

iOS development at scale

Swift Concurrency

SwiftUI

The Composable Architecture (TCA)

Apollo GraphQL (iOS)

SPM multi-package architecture

Tuist or XcodeGen

CI/CD pipelines

Static analysis

Structured commit/PR discipline

AI-assisted development tooling

Tools

Xcode CLI integration

SwiftLint

Periphery

Job description

Fanatics is seeking an experienced iOS engineer to join the Instant Rips team on Fanatics Live. You will design and ship production iOS features for live-break experiences including auctions, streams, chat, marketplace, and collector tools.

The role requires 5+ years building consumer-facing iOS apps at scale, SwiftUI and Swift Concurrency, TCA, Apollo GraphQL, and a strong focus on testability, modular architecture, and CI/CD. Experience with AI tooling is a plus.