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OPTIVEUM sp. z o.o.

iOS Developer (Swift, SwiftUI)

OPTIVEUM sp. z o.o. Capon Bridge, West Virginia, United States · PLN 270K/yr

Outsourcing and Offshoring Consulting · 2-10 employees

2 d ago
swift Mid (2-5 yrs) Full-time United States
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About the role

You will design and implement mobile applications on the iOS platform while participating in the full development lifecycle from analysis to production stabilization. Additionally, you will prepare technical documentation and conduct integration and acceptance testing.

What they look for

Swift SwiftUI UIKit Core Data SwiftData MVVM-C Swift Concurrency REST API Clean Architecture Dependency Injection SPM Unit Testing Git GitFlow Fastlane Jenkins

Requirements

Candidates must have at least 3 years of experience in Swift development with strong proficiency in SwiftUI, UIKit, and MVVM architecture. Knowledge of REST APIs, Swift Concurrency, and CI/CD tools like Fastlane and Jenkins is required.

Full description

iOS Developer (Swift, SwiftUI)

About the Offer

We are currently looking for iOS Developers to join the team of our client, one of the largest insurance companies on the Polish market. For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.

You will design and build the client's iOS mobile application, from analysis of new features through implementation and testing to stabilising the production solution. The client is hiring 2 developers and is interested in long-term cooperation.

Key Details:

  • Rate: up to 130 PLN/h net + VAT (B2B)
  • Work Model: hybrid – 1 day per week in the office, 4 days remote
  • Location: Warsaw
  • Key Skills: Swift, SwiftUI, UIKit, Core Data / SwiftData, MVVM-C, Swift Concurrency
  • Application deadline: 18 November 2026

Responsibilities:

  • Designing and implementing the client's mobile application on the iOS platform.
  • Taking part in the analysis and design of new features.
  • Preparing documentation in line with the client's standards and development process.
  • Taking part in integration and acceptance testing of the solution.
  • Supporting the stabilisation of the production solution.

Requirements:

  • At least 3 years of experience designing and building iOS applications in Swift.
  • Good knowledge of SwiftUI and UIKit.
  • Experience with Core Data and SwiftData.
  • Good knowledge of REST API implementation.
  • Clean code in MVVM architecture with coordinators; knowledge of design patterns (Clean Architecture, MVVM-C).
  • Knowledge of Swift Concurrency (async/await).
  • Knowledge of Dependency Injection (e.g. swift-dependencies) and dependency management with SPM.
  • Writing unit tests.
  • Good knowledge of Git and GitFlow; familiarity with Bitbucket and Jira.
  • Basics of CI/CD and tools such as Fastlane and Jenkins.
  • Working knowledge of bash/PowerShell.
  • Polish at a good level.

AI Competencies (mid level):

  • Ability to write and deploy your own AI skill or agent that supports software development tasks.
  • Ability to audit existing AI solutions for cost (routing, prompt caching, batching) and output quality.
  • Ability to define rules for safe AI use: data classification, choosing the right tool for each data class, and masking standards for sensitive data.
  • Hands-on experience configuring MCP integrations in your own working tools.

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