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Tech Holding Logo Tech Holding · IT - Software Development

Senior IOS Engineer

India · Job Posted June 09, 2026
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Job Responsibility

  • Critical thinker who can anticipate potential pitfalls and suggest improvements, especially around data correctness (timezone, currency, channel-specific filters) and on-device analytics performance
  • Contribute to the codebase, and ensure that the acceptance criteria have been verified before sending the ticket to QA
  • Build new features from the ground up — KPI dashboards, drill-down views, filter panels, period comparisons, and data-visualization screens — while collaborating closely with product, design, and engineering teams
  • Collaborate with onsite and remote engineering teams to produce clean reusable SwiftUI / MVVM code, and provide constructive criticism through code reviews
  • Work with the team lead and the Product team and turn Product requirements into actionable technical stories with well-defined technical specifications and details
  • Work with backend, data, and analytics engineers to discuss Parquet schemas, Firebase Storage sync flows, and SQL / DuckDB query requirements needed to power the iOS app
  • Maintain and enhance the existing code by fixing bugs and monitoring app performance using Instruments (Time Profiler, Allocations, Leaks)
  • Implement and improve offline-first sync — Parquet download from Firebase Storage, local caching, and DuckDB import
  • Provide feedback on architecture design and decisions on how to scale mobile applications as data volume and feature surface grow
  • Provide concise documentation that other mobile developers can easily understand
  • Own App Store releases — code signing, provisioning, TestFlight, and App Store Connect submissions

Requirements

  • 5+ years of iOS development experience, including a strong familiarity with Apple frameworks and object-oriented (and protocol-oriented) design best practices
  • A self-starter and fast learner who can adapt to the latest industry trends and technologies
  • Strong experience building applications in Swift (Swift 5.8+), including Swift Concurrency (async/await, actors, @MainActor)
  • Hands-on experience with SwiftUI (iOS 17.6+) — state management (@State, @StateObject, @ObservedObject, @EnvironmentObject, @Binding), navigation, view composition, and custom layouts
  • Solid grasp of MVVM architecture and clean separation of Models / ViewModels / Views / Services
  • Hands-on integration experience with Firebase — Authentication, Firestore, Storage, and Analytics
  • Experience implementing Sign in with Apple and Google Sign-In flows
  • Comfortable working with SQL and embedded / local databases (DuckDB, SQLite, Core Data, or Realm — DuckDB / Parquet exposure is a strong plus)
  • Experience with Combine or async-await based reactive data flow
  • Familiar with Swift Package Manager for dependency management
  • Proficient with Xcode 16+, debugging with LLDB, and performance profiling with Instruments
  • Knowledge of building and testing large-scale, data-heavy iOS apps and codebases (BI dashboards, analytics, or reporting apps) is a strong bonus
  • Exposure to offline-first sync patterns, file I/O, and local data caching
  • React Native or Flutter, Swift Charts, or Fastlane / Xcode Cloud / GitHub Actions CI/CD pipelines is a bonus
  • Experience working with a distributed remote team
  • Be punctual and provide accurate task/project estimations
  • Comfortable working in an agile and fast-paced environment
  • Have a good understanding of using git and the gitflow workflow for source control management and versioning

Nice to have

  • React Native or Flutter, Swift Charts, or Fastlane / Xcode Cloud / GitHub Actions CI/CD pipelines is a bonus
  • Experience working with a distributed remote team
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