HumanIT Digital Consulting logo
HumanIT Digital Consulting

We are all Humans!

Senior iOS Developer – Swift, RxSwift

Platform EngineerPlatform EngineerFull TimeRemoteSeniorTeam 51-200Since 2020H1B No SponsorCompany SiteLinkedIn

Location

Portugal

Posted

1 day ago

Salary

€2.3K - €3K / month

Seniority

Senior

Bachelor Degree4 yrs expEnglishiOSRxSwiftSwift

Job Description

Senior iOS Developer – Swift, RxSwift

HumanIT Digital Consulting

• You'll be working on native iOS applications within a fintech platform, integrating with back-office systems and third-party financial services. • The environment is live and demanding — you'll be expected to design, build, and support production-grade mobile applications where traceability, security, and data integrity are critical. • The stack centres on Swift, with UIKit and SwiftUI for interface development and RxSwift for reactive, asynchronous data flows against RESTful backend services.

Job Requirements

  • At least 4+ years of Swift and iOS development experience in production environments
  • Minimum 2 years of hands-on experience with SwiftUI alongside UIKit (mixed/hybrid codebases)
  • Strong command of RxSwift and reactive programming patterns
  • Proven experience integrating RESTful APIs and handling asynchronous data flows in client-facing apps
  • Solid knowledge of secure coding practices and financial data handling requirements (secure storage, keychain usage, certificate pinning)
  • Familiarity with OAuth/JWT authentication flows and biometric authentication (Face ID/Touch ID)
  • Experience supporting live production apps — tracing issues, diagnosing root causes, and delivering fixes under pressure (including App Store release cycles)
  • Ability to deliver scalable, maintainable iOS applications using modern Swift practices
  • Strong problem-solving and analytical skills with the ability to work independently across multiple workstreams
  • Clear communication skills in English (B2 or above)

Benefits

  • 15th month salary
  • Health insurance covering your family
  • Birthday off
  • Mobility program for digital nomads
  • Real work-life balance

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