Senior iOS Engineer – FinTech, Real-Time & Remote

JustMarkets; Philippines; Remote; PHP 1,200,000 - 2,000,000; Full time

Benefits offered by this job

Remote work option

Medical insurance

Professional education budget

Language learning budget

Job summary

JustMarkets is seeking a Senior iOS Developer to join the mobile team and own the development of high-load iOS apps. You’ll work with real-time data, complex business logic, and performance-focused UI, contributing across the stack and collaborating with backend, QA, product, and design teams.

You should have 5+ years of native iOS experience, deep knowledge of Swift and UIKit, and experience with VIP/clean architectures, concurrency, testing, and CI/CD.

Qualifications

• 5+ years of commercial experience in native iOS development with strong knowledge of Swift and iOS SDK.
• Strong hands-on experience with UIKit (code-only) and modern iOS development practices.
• Solid understanding of OOP, POP, SOLID principles and VIP/Clean Architecture.
• Experience with asynchronous programming and concurrency using GCD, Swift Concurrency and Combine.
• Memory management knowledge including ARC and retain cycles.
• Hands-on experience with REST APIs, GraphQL (Apollo iOS) and WebSocket.
• Experience with local data storage and iOS security practices (SQLite/GRDB, Keychain, biometrics).
• Unit and UI testing using XCTest/XCUITest.
• Git, Swift Package Manager, CI/CD and Fastlane
• Multi-target Xcode projects and release processes.

Responsibilities

• Develop and improve native iOS applications
• Write clean, reusable and maintainable code
• Build functional and user-friendly interfaces
• Integrate iOS apps with backend services and APIs
• Work with real-time data and complex features
• Participate in code reviews and technical discussions
• Improve app performance, stability, and UX
• Prepare features for testing and production with the team
• Collaborate with backend, QA, product and design teams

Skills

iOS Development

Swift

UIKit

Concurrency

REST/GraphQL

Memory Management

Testing (XCTest)

Git / CI_CD

Multi-target Xcode

Architecture (VIP/clean)

Tools

REST APIs

GraphQL (Apollo iOS)

WebSocket

Job description

JustMarkets is seeking a Senior iOS Developer to join the mobile team and own the development of high-load iOS apps. You’ll work with real-time data, complex business logic, and performance-focused UI, contributing across the stack and collaborating with backend, QA, product, and design teams.

You should have 5+ years of native iOS experience, deep knowledge of Swift and UIKit, and experience with VIP/clean architectures, concurrency, testing, and CI/CD.