Top iOS Developer Jobs in Denver & Boulder, CO

Reposted 4 Days AgoSaved
Hybrid
Colorado
80K-134K Annually
Mid level
80K-134K Annually
Mid level
Fitness • Music • Software
As an iOS Engineer at TrainingPeaks, you will develop mobile experiences, optimize user engagement, and enhance iOS architecture while mentoring team members and ensuring high-quality features are delivered.
Top Skills: CoredataJSONObjective-CRestful ApisSwiftSwiftui
Reposted 4 Hours AgoSaved
Remote
Colorado
Mid level
Mid level
Artificial Intelligence • Information Technology • Software • Generative AI
As an iOS Engineer at Geo, you will develop user interfaces, own the app architecture, and write high-performance code.
Top Skills: ArweaveGraphQLIpfsObjective-CPolygonSwiftui
YesterdaySaved
Remote
Colorado
48K-192K Annually
Mid level
48K-192K Annually
Mid level
Agency • Information Technology
Design, build, and maintain high-performance native iOS applications. Collaborate with cross-functional teams to define and ship features, ensure app performance and responsiveness, fix bugs, integrate RESTful APIs and third-party libraries, participate in code reviews, and evaluate new technologies to improve development efficiency.
Top Skills: CombineGitiOSObjective-CRestful ApisSwiftSwiftuiUnit Testing
YesterdaySaved
In-Office or Remote
Colorado
33K-116K Annually
Senior level
33K-116K Annually
Senior level
Agency • Information Technology
Senior iOS developer to design and build maintainable, performant iOS apps using Swift/SwiftUI and modern concurrency. Build core UI infrastructure, write automated tests (XCTest/XCUITest), participate in code reviews, release apps to the App Store using CI/CD tooling, and partner cross-functionally to define mobile standards.
Top Skills: App StoreAsync/AwaitClean ArchitectureCocoapodsCombineJenkinsMvvmSwiftSwift Package ManagerSwiftuiViperXcodeXcode ToolchainXctestXcuitest
6 Days AgoSaved
Hybrid
Colorado
137K-205K Annually
Senior level
137K-205K Annually
Senior level
Digital Media • Information Technology • News + Entertainment
Senior iOS engineer to develop and maintain a Swift-based player SDK powering video playback on iOS, iPadOS, and tvOS. Responsibilities include API design, AVFoundation media integration, performance optimization, production support, mentoring, and collaborating with cross-functional teams to ensure reliable, high-quality streaming and ad insertion.
Top Skills: AvfoundationCharlesGitHTTPiOSIpadosProxymanSwiftTvos
Reposted 7 Days AgoSaved
Remote
Colorado
165K-185K Annually
Senior level
165K-185K Annually
Senior level
Fintech • Payments
As a Senior iOS Engineer, you will lead the iOS development, establish the architecture, collaborate with stakeholders, and implement high standards in software design and performance.
Top Skills: SwiftSwift ConcurrencySwiftui
Reposted 4 Days AgoSaved
Remote
Colorado
185K-275K Annually
Expert/Leader
185K-275K Annually
Expert/Leader
Healthtech • Mobile • Analytics
Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.
Top Skills: Clean ArchitectureCombineCore DataFastlaneFeature FlaggingGithub ActionsHealthkitIos SdkLive ActivitiesLock Screen WidgetsMvvmSwiftSwift ConcurrencySwiftuiXctest
Reposted 13 Days AgoSaved
Remote
Colorado
Mid level
Mid level
eCommerce • Information Technology • Software • App development
Responsible for the development and maintenance of iOS applications, focusing on performance, user experience, and collaboration with design teams.
Top Skills: AutolayoutBitbucketCocoa TouchGitMvpMvvmObjective-CRestful ApisSourcetreeSwift
Reposted 13 Days AgoSaved
Remote
Colorado
Senior level
Senior level
eCommerce • Information Technology • Software • App development
Lead the iOS application development, guide the team, ensure app performance and scalability, and collaborate on new features.
Top Skills: BitbucketCocoa TouchGitMvpMvvmObjective-CSourcetreeSwift
Reposted 13 Days AgoSaved
Remote
Colorado
145K-170K Annually
Mid level
145K-170K Annually
Mid level
Software
Design, build, and maintain an iOS app using Obj-C and Swift. Collaborate with teams, debug issues, and refine features.
Top Skills: CoredataObj-CSwiftXctest
Reposted 14 Days AgoSaved
Remote
Colorado
120K-178K Annually
Mid level
120K-178K Annually
Mid level
Artificial Intelligence • Information Technology • Machine Learning • Marketing Tech • Software • Biotech • Design
As an iOS Engineer, you will develop and maintain features for the Oura app, collaborating with various teams to enhance user experience and code quality.
Top Skills: C++Ci/CdCoreanimationCoregraphicsKotlin MultiplatformMl AlgorithmsPyTorchSwiftSwiftuiTypescriptUikit
Reposted 21 Days AgoSaved
In-Office
Colorado
Mid level
Mid level
Information Technology • Software
The iOS Engineer will handle full lifecycle development, including requirements gathering, designing solutions, coding, testing, implementation, and support.
Top Skills: C#iOSJavaObjective-C
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YesterdaySaved
Remote
Colorado
Senior level
Senior level
Software
Design, build, and maintain scalable, high-performance iOS applications using Swift. Deliver end-to-end features, integrate with back-end services, implement animations and Auto Layout, ensure test coverage and CI/CD, profile and optimize performance, and mentor team members.
Top Skills: APIsCachingCi/CdGitiOSIos Auto LayoutMobile App Store (App Store) PublishingMobile Performance ProfilingSwift 5Unit TestingWeb Services Integration
YesterdaySaved
Remote
Colorado
42K-168K Annually
Senior level
42K-168K Annually
Senior level
Agency • Information Technology
Develop and maintain iOS applications using Swift and SwiftUI. Implement reactive code with Combine, follow design patterns, write UI/unit tests, profile and fix performance with Xcode Instruments, manage repos with GitHub, integrate crash reporting and analytics, and distribute frameworks via SPM/CocoaPods.
Top Skills: Adobe AnalyticsAppdynamicsCheckmarxCocoapodsCombineCrashlyticsFirebaseGitLaunchdarklyNewrelicObjective-CSonarqubeSwiftSwift Package ManagerSwiftuiUikitXcode InstrumentsXctestXcuitest
YesterdaySaved
In-Office or Remote
Colorado
36K-126K Annually
Senior level
36K-126K Annually
Senior level
Agency • Information Technology
Design, build, and maintain high-quality native iOS applications using Swift and iOS frameworks. Implement UI with UIKit/SwiftUI, handle concurrency, integrate RESTful APIs, ensure unit testing, memory management, and automated code quality in CI/CD pipelines for high-traffic cloud-backed services.
Top Skills: Auto LayoutCi/CdCloud ServicesCombineCore AnimationCore DataCore GraphicsCore LocationFindbugsGcdGitIos SdkJenkinsJSONRestful ApisRlmRtcRxswiftSonarqubeSwiftSwiftuiUikitXML
YesterdaySaved
In-Office or Remote
Colorado
36K-126K Annually
Senior level
36K-126K Annually
Senior level
Agency • Information Technology
Senior iOS Developer responsible for building and maintaining native iOS apps using Swift and SwiftUI. Work includes iOS SDK and framework integration, multi-threading, memory management, unit testing, RESTful API integration, cloud/distributed services, CI/CD automation, code quality tooling, and version control collaboration.
Top Skills: Auto LayoutCi/CdCloud-Based ServicesCombineCore AnimationCore DataCore GraphicsCore LocationDistributed SystemsFindbugsGcdGitIos SdkJenkinsJSONMulti-ThreadingRestful ApisRlmRtcRxswiftSonarqubeSwiftSwiftuiUikitXML
YesterdaySaved
Remote
Colorado
49K-172K Annually
Mid level
49K-172K Annually
Mid level
Agency • Information Technology
Build and maintain high-performance iOS mobile applications using React Native. Collaborate with designers, product, and backend teams to implement features, integrate RESTful APIs, optimize performance, debug issues, write clean code, participate in code reviews, and keep up with mobile development best practices.
Top Skills: Context ApiGitiOSJavaScriptJSONReact NativeReduxRest ApisTypescript
2 Days AgoSaved
Remote
Colorado
83K-138K Annually
Senior level
83K-138K Annually
Senior level
Retail • Sports
Senior iOS engineer responsible for building and maintaining Dick's Sporting Goods and Golf Galaxy mobile apps using SwiftUI and MVVM. Collaborate with designers, product managers, testers, and engineers to design, implement, test, and ship features, diagnose and fix defects, drive roadmap priorities, and mentor junior teammates while supporting program management and requirements gathering.
Top Skills: Async/AwaitCombineDeclarative ProgrammingFunctional ProgrammingJSONMvvmSwiftSwiftlintSwiftuiUnit TestingXctest
Reposted 2 Days AgoSaved
In-Office or Remote
Colorado
140K-200K Annually
Senior level
140K-200K Annually
Senior level
Software
As a Senior iOS Engineer, you will lead engineering decisions, ship production code for the Speechify iOS app, and enhance the app's architecture. You'll work in a collaborative product team, focusing on user experience and product development.
Top Skills: Ci/CdFastlaneGitMultithreadingSwiftSwiftui
Reposted 2 Days AgoSaved
Remote
Colorado
95K-159K Annually
Senior level
95K-159K Annually
Senior level
Retail • Sports
The Lead Software Engineer for Mobile iOS will design, test, and deliver applications, oversee software maintenance, collaborate on mobile experiences, and mentor junior engineers, utilizing Swift and modern Apple frameworks to enhance user experiences.
Top Skills: Adobe Experience PlatformBitriseCombineFirebaseGithub ActionsObjective-CRest ApisSwiftSwiftlintSwiftuiUrlsessionXcodeXctest
Reposted 4 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Information Technology • Software
The Core iOS Senior Engineer will lead mobile development projects, troubleshoot issues, and contribute to code reviews, requiring strong experience in Objective-C and mobile software development.
Top Skills: Apple SdksGitGitInstrumentsObjective-CSwiftXcode
Reposted 8 Days AgoSaved
Remote
Colorado
113K-176K Annually
Senior level
113K-176K Annually
Senior level
Other • Social Impact
As a Senior Software Engineer, you'll enhance mobile Wikipedia experiences, lead project implementations, and mentor team members while collaborating across departments to prioritize and deliver high-quality features.
Top Skills: SwiftSwiftuiUikit
10 Days AgoSaved
Remote
Colorado
800K-2M Annually
Senior level
800K-2M Annually
Senior level
Information Technology • Professional Services • Consulting
Senior iOS hybrid developer to build and maintain iOS apps with Swift/SwiftUI or UIKit and Xcode; implement WKWebView-based hybrid features, ASWebAuthenticationSession OAuth/Web SSO, and secure JavaScript integrations; integrate native capabilities (camera, media capture, push notifications, maps/location); ensure responsive web content and secure data handling.
Top Skills: AswebAswebauthenticationsessionCameraJavaScriptMaps/Location ServicesMedia CaptureOauthPush NotificationsSwiftSwiftuiUikitWkwebviewXcode
10 Days AgoSaved
In-Office or Remote
Colorado
2M-2M Annually
Senior level
2M-2M Annually
Senior level
Information Technology • Software • Consulting • Cybersecurity
Senior iOS Developer to design and build secure, high-performance iOS apps using Swift (SwiftUI/UIKit). Implement webview integrations (WKWebView/ASWeb), ASWebAuthenticationSession for OAuth/SSO, JavaScript interop, and native features (camera, push, maps). Ensure responsive web content handling and secure data management. Remote role but must be Bangalore-based with weekly (~1 hour) client office visit to collect a device.
Top Skills: AswebAswebauthenticationsessionCamera AccessiOSJavaScriptLocation ServicesMapsOauthPush NotificationsSwiftSwiftuiUikitWebviewWkwebviewXcode
11 Days AgoSaved
In-Office or Remote
Colorado
137K-206K Annually
Senior level
137K-206K Annually
Senior level
eCommerce • Internet of Things • Software
Lead the iOS experience across three connected hardware products by architecting a shared platform (connectivity, device state), driving provisioning/pairing flows (Wi‑Fi/BLE), partnering with product/design/firmware/backend teams, adopting and governing AI coding tools, and building the team and modular codebase to ship App Store releases.
Top Skills: App Store ConnectBackend Services IntegrationBleCi/CdClaude CodeCombineCorebluetoothCursorFastlaneGithub CopilotRxswiftSwiftSwiftuiUikitWi-Fi
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