Senior iOS Engineer - Real-Time Finance & Security

PT. Trimegah Sekuritas Indonesia, Tbk; Jakarta Selatan; On-site; IDR 480,000,000 - 720,000,000; Full time

Job summary

PT Trimegah Sekuritas Indonesia, Tbk is seeking an experienced iOS engineer to own the architecture, quality, and performance of the iOS app end to end. You will build core flows like order entry, portfolio, watchlist, and onboarding while handling real-time data and ensuring seamless UI even during network fluctuations.

You will mentor engineers, collaborate with compliance and security from design, and drive mobile CI/CD improvements.

Qualifications

• 5+ years of iOS development with senior-level responsibilities.
• Deep Swift; comfortable with UIKit and SwiftUI.
• Modern concurrency: async/await, Structured Concurrency, GCD.
• Architecture at scale: MVVM / VIPER / TCA, modularization, DI.
• Networking: URLSession, WebSockets, caching for flaky connections.
• Testing: unit, snapshot, and UI tests with clear test strategy.
• Performance profiling with Instruments.
• Able to explain technical decisions to non-technical stakeholders.

Responsibilities

• Own the architecture, quality, and performance of the iOS app end to end.
• Build and maintain core flows: order entry, portfolio, watchlist, history, onboarding.
• Handle real-time market data on the client with WebSocket management.
• Protect order integrity client-side with robust state handling.
• Ensure mobile security: keychain, biometrics, secure storage.
• Mentor engineers and set engineering standards for the mobile team.
• Collaborate with compliance, risk, and security from design stage.

Skills

iOS development

Swift

UIKit

SwiftUI

Concurrency

MVVM

VIPER

TCA

Dependency Injection

Networking

Tools

Xcode

CI/CD tooling

GitHub Actions

Bitrise

Job description

PT Trimegah Sekuritas Indonesia, Tbk is seeking an experienced iOS engineer to own the architecture, quality, and performance of the iOS app end to end. You will build core flows like order entry, portfolio, watchlist, and onboarding while handling real-time data and ensuring seamless UI even during network fluctuations.

You will mentor engineers, collaborate with compliance and security from design, and drive mobile CI/CD improvements.