Mobile Engineer - Real-Time Trading App (iOS/Android)

True Markets; New York (NY); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

Equity

Medical, dental, and vision coverage

NYC office

Job summary

True Markets is seeking a Mobile Engineer to own the True Markets mobile app end to end — iOS in Swift and Android in Kotlin — in a single repository with rapid 8–10 day release cadence. You’ll cover trading surfaces, onboarding, and KYC, plus passkey authentication and wallet session management.

You will collaborate with backend and design in a small team, maintain mobile CI/CD, and shape analytics, feature flags, and crash monitoring while coordinating API contracts with backend engineers.

Qualifications

• 5+ years of production mobile app experience.
• Expert in Swift/SwiftUI; Kotlin/Compose also acceptable.
• End-to-end release ownership.
• Experience with real-time data and WebSocket.
• AI-native tooling usage daily.
• Strong communication and autonomy.

Responsibilities

• Build and ship features across iOS (Swift/SwiftUI) and Android (Kotlin/Compose) with parity.
• Own the release process: version cuts, TestFlight/Play builds, store submission, responses, and monitoring.
• Own trading surfaces: order submission, quoting, P/L display, order history.
• Maintain authentication/onboarding including passkey, 3p logon, wallet session, and KYC.
• Instrument analytics events, funnels, feature flags, crash and error monitoring.
• Maintain mobile CI/CD with GitHub Actions, macOS runners, signing, and secrets.
• Triage bugs and lead weekly UI reviews.
• Define API contracts and resolve interface behavior with design.

Skills

Mobile app development

Swift & SwiftUI

Kotlin & Compose

Release management

Real-time data on mobile

AI tooling (Claude Code)

Strong communication

Tools

GitHub Actions

macOS runners

WebSocket

App signing & provisioning

Job description

True Markets is seeking a Mobile Engineer to own the True Markets mobile app end to end — iOS in Swift and Android in Kotlin — in a single repository with rapid 8–10 day release cadence. You’ll cover trading surfaces, onboarding, and KYC, plus passkey authentication and wallet session management.

You will collaborate with backend and design in a small team, maintain mobile CI/CD, and shape analytics, feature flags, and crash monitoring while coordinating API contracts with backend engineers.