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39 mobile software engineer jobs at 32 companies in Westminster, CA

1mo
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Mobile Software Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
5+ YOE5+ years development experience, strong Android/iOS workflows, C#/.NET and mobile solutions (MAUI), Python/Bash/Groovy scripting, CI/CD, containers, cloud (AWS/Azure/GCP), MDM, security best practices; Bachelor's or Master's in CS/EE/CE.
Python, Bash, Groovy, C#, NUnit, xUnit, Microsoft .NET, Microsoft MAUI, Git, Docker, Kubernetes, AWS, Azure, GCP, Jenkins, GitHub Actions, Bitrise, Fastlane, AirWatch, MTX, Appium, XCTest, Espresso
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1mo
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Mobile Software Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
5+ YOE5+ years development experience; strong Android and iOS workflows; coding/scripting (Python, Bash, Groovy); C# and unit testing (NUnit, xUnit); Microsoft .NET and MAUI; Git, Docker, Kubernetes, cloud (AWS/Azure/GCP); CI/CD; MDM (AirWatch, MTX); security and Agile experience.
Android, iOS, Python, Bash, Groovy, C#, NUnit, xUnit, Microsoft .NET, Microsoft MAUI, Git, Docker, Kubernetes, AWS, Azure, GCP, Jenkins, GitHub Actions, Bitrise, Fastlane, AirWatch, MTX, Appium, XCTest, Espresso
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3mo
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Senior Mobile Software Engineer, Growth
New York or Los Angeles
$160k-$200k/yr OnsiteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
5+ YOE5–8+ years in production mobile apps; strong iOS/Android; analytics and growth experimentation; cross-functional collaboration.
Swift, Objective-C, Kotlin, Java, React Native, Firebase, Amplitude, Segment
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6d
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Mobile Game Security Software Engineer
El Segundo, California, United States
$146k-$200k/yr OnsiteFull Time
Krafton
KraftonKorea Exchange: 259960: Develops and publishes globally recognized video game titles.
5+ YOE5+ years C++ development experience; experience with mobile anti-cheat/anti-tamper or client protection; system programming, Android/iOS internals, memory/process protection, and reverse-engineering familiarity.
C++, Android NDK, JNI, Objective-C, Swift, Mach-O, ELF, IDA, Ghidra, Frida, LLDB, lldb-server, ARM/AArch64
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3mo
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Senior Software Engineer - Publishing Platform, Riot Mobile
Los Angeles, California, United States
$162k-$227k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
4+ YOE4+ years professional software engineering experience building and shipping mobile applications; degree in CS or comparable experience; experience with complex codebases, UX collaboration, and technical decision-making.
iOS, Android, Kotlin Multiplatform (KMP), Riot APIs, AWS Lambdas, React, Riot’s internal SDK, Spring Boot, Java, Firebase, Statsig, DataDog
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Software Engineer II (Mobile)
Los Angeles, California, United States
$116k-$145k/yr RemoteFull Time
EVgo
EVgoNASDAQ: EVGO: Operates a nationwide public electric vehicle charging network.
5+ YOE5+ years related experience typically with a Bachelor’s (alternatively 3 years with a Master’s or PhD), strong Kotlin/Android skills, mobile architecture (Jetpack Compose, Coroutines, Flow, MVVM/MVI), REST/GraphQL integration, familiarity with Bluetooth LE/NFC, Google Maps SDK, Node.js/TypeScript, CI/CD and analytics tools.
Kotlin, Android SDK, Jetpack Compose, Coroutines, Flow, MVVM, MVI, RESTful APIs, GraphQL, Bluetooth LE, NFC, Google Maps SDK, Node.js, TypeScript, GitLab CI/CD, Fastlane, Firebase App Distribution, Amplitude, Braze, Dash0, Jira
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3mo
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Principal Mobile Engineer
Los Angeles or New York or Birmingham or Miami or Tampa or Cincinnati or Blue Ash
$149k-$214k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
10+ YOE10+ years mobile development; strong iOS/Swift; Android knowledge; cloud and analytics; leadership.
Xcode, Android Studio, Git, Jira, Confluence, Figma, Firebase, Datadog, Swift, SwiftUI, Combine, UIKit, Kotlin, Azure DevOps, Fastlane
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Software Engineer - Mobile, Android
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Bachelor's degree in a technical field, experience building high-traffic/map-based UI apps, proficiency in Android (Jetpack Compose, Java, Kotlin) and backend languages (C++, Rust, Golang), networking (TCP/UDP/Multicast, HTTP/REST, protobuf/gRPC), willingness for on-call support, travel up to 30%, and eligibility for U.S. Secret clearance.
Lattice OS, Android Tactical Assault Kit (ATAK), Jetpack Compose, XML, Java, Kotlin, C++, Rust, Golang, TCP, UDP, Multicast, HTTP (REST), protobuf, gRPC, CMake, Cargo, gradle, NixOS, CircleCI, Docker, TypeScript, React, Qt, C#, Microsoft .NET, ArcGIS, Cesium, MapBox, Python, Bash, Gitlab-CI
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2mo
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Mobile Engineer 5 - Commerce Design System
Los Gatos or Los Angeles or Seattle
$388k-$558k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
Mobile UI engineer with Kotlin/Jetpack Compose focus; Android and iOS experience; design system development; cross‑platform familiarity; AI tooling.
Kotlin, Jetpack Compose, Dagger/Hilt, Circuit, Swift, SwiftUI, UIKit, GraphQL
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1mo
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Software Engineer, AI Native
Glendale, California, United States
$160k-$180k/yr HybridFull Time
Age of Learning
Age of Learning: Develops digital education programs for young children.
5+ YOE5+ years software engineering experience, 2+ years building with LLMs/AI coding assistants, experience shipping cross-platform mobile apps, familiarity with agentic workflows, strong communication and collaboration skills.
MCP, Svelte, SvelteKit, REST, gRPC, JavaScript, TypeScript, Flutter, Dart
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3w
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Principal Mobile Developer
Los Angeles or Temecula or Irvine or San Diego
$150k-$220k/yr OnsiteFull Time
BlackBerry
BlackBerryNYSE: BB: Provides cybersecurity software and secure embedded systems for businesses.
Bachelor's or equivalent; experience with C/C++, Java, Python, Android/AOSP, Linux, Agile and continuous integration; strong analytical, debugging, and collaborative skills.
Java, C/C++, Python, Android, AOSP, Linux, Agile, Continuous integration
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2d
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Senior Mobile Application Developer
Burbank, California, United States
$110k-$205k/yr HybridFull Time
Warner Bros. Discovery
Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.
5+ YOE5+ years mobile application development experience with expert Kotlin/Java and strong Swift; experience with Android, iOS/tvOS/macOS platforms, app store administration, CI/CD, and video streaming technologies.
Kotlin, Java, Swift, SwiftUI, UIKit, Combine, Swift Concurrency, Xcode, TestFlight, App Store Connect, Android SDK, Google Play Console, Bitmovin, DRM, Google Cast, GitHub, Bitrise
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1w
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Sr Engineer, Software Automation
Irvine, California, United States
$100k-$130k/yr OnsiteFull Time
Masimo
MasimoNasdaq: MASI: Develops noninvasive patient monitoring technologies and consumer audio products.
5+ YOE5+ years software engineering or test automation experience; proficiency in Java and Python; networking, mobile, cloud, security testing experience; Bachelor’s in CS or related required.
Java, Python, TCP/IP, DNS, DHCP, HTTP/S, Appium, Espresso, XCUITest, AWS, Azure, GCP, Postman, REST Assured, OWASP ZAP, CI/CD
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2mo
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Mobile Developer (iOS and Android)
El Segundo, California, United States
$120k-$240k/yr OnsiteFull Time
Circadia Health
Circadia Health: Develops contactless monitoring devices for continuous patient vitals tracking.
Proficient in Swift for iOS and Kotlin for Android; experience with iOS/Android architecture, performance optimization, and platform guidelines; familiarity with React/TypeScript; strong TDD, security, and documentation practices.
Swift, Kotlin, Objective-C, Java, TypeScript, iOS Frameworks, Android Frameworks, React Native, Flutter, Kotlin Multiplatform, REST, GraphQL, WebSockets, MQTT, AWS, Firebase, SQLite, Core Data, Realm, XCTest, XCUITest, JUnit, Espresso, Mockito, Git, Fastlane, Xcode Cloud, GitHub Actions, Jenkins, CircleCI, Confluence, Markdown, Firebase Crashlytics, Sentry, Prometheus, Grafana
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2mo
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Software Engineer, Full Stack
El Segundo or Remote
$131k-$150k/yr HybridFull Time
ImmunityBio
ImmunityBioNASDAQ: IBRX: Develops next-generation immunotherapies for cancer and infectious diseases.
3+ YOE3+ years full-stack or mobile development; strong JavaScript/TypeScript; React/Next.js/Svelte; mobile iOS/Android; Docker/Kubernetes preferred; AI/LLM frameworks preferred.
JavaScript, TypeScript, React, Next.js, Svelte, Node.js, Docker, Kubernetes, LangChain, LlamaIndex, CrewAI
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1w
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Web and Mobile App Developer
Irvine, California, United States
$106k-$118k/yr OnsiteFull Time
Tri Pointe Homes
Tri Pointe HomesNYSE: TPH: Designing and building premium residential communities.
2+ YOE2+ years web and mobile development experience with Next.js, React, React Native, Node.js, PostgreSQL, TypeScript; strong API, CMS, SEO, accessibility, SDLC, and troubleshooting skills; Bachelor's preferred.
Next.js, React, TypeScript, React Native, Node.js, PostgreSQL, SQL, CMS, DAM, CRM, WordPress, AI-assisted software development tools
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1mo
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Mobile / Front-End Developer — Mortgage Broker & Retail Experience
Irvine or United States
$135k/yr RemoteFull Time
Success Lending
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
4+ YOE4+ years front-end or mobile development; shipped mobile app; strong JavaScript/TypeScript and React Native/Flutter or Swift/Kotlin; experience with REST/GraphQL, auth and secure storage; daily use of AI coding tools; U.S. work authorization required.
React Native, Flutter, Swift, Kotlin, JavaScript, TypeScript, REST, GraphQL, Claude Code, GitHub Copilot, Cursor, Blue Sage, LOS, App Store, Google Play
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6d
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Manager, Software Engineering, Safety Engineering Mobile Client
Los Angeles or Palo Alto or Santa Monica or Utah
$195k-$343k/yr HybridFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
9+ YOE1+ MgmtBachelor's degree or equivalent, 9+ years software development experience, 1+ year technical leadership, experience with mobile client systems, strong communication and technical judgment.
iOS, Android, AI tools
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6d
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Manager, Software Engineering, Safety Engineering Mobile Client
Los Angeles or Palo Alto or Santa Monica or Utah
$195k-$343k/yr HybridFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOE1+ Mgmt9+ years software development experience, 1+ year technical leadership, bachelor’s in technical field or equivalent, experience with mobile client systems, strong communication and technical judgment.
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1mo
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AVP iOS Software Development Engineer III - MySynchrony
Stamford or Chicago or West Chester or Dallas or New York City or Costa Mesa or Charlotte or Alpharetta
$100k-$170k/yr HybridFull Time
Synchrony
SynchronyNYSE: SYF: Provides consumer credit products and private label retail cards.
4+ YOE4+ years software engineering experience (or HS +6 yrs), strong iOS expertise (Swift/SwiftUI/UIKit), mobile SDK experience, leadership of Agile teams, unit/integration testing, CI/CD familiarity, JSON/REST/XML, mentoring and production support.
SwiftUI, Swift, UIKit, JSON, REST, XML
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