2w
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Flutter Developer (DeFi)
New York, New York, United States
RemoteFull Time
2+ YOE2+ years production Flutter or 3+ years shipping consumer apps, hands-on DeFi experience, Flutter fundamentals, REST API integration, mobile security, Git, and App/Play Store experience.
Flutter, REST APIs, Git, App Store, Play Store, CI/CD
1mo
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Mobile Engineer
New York City, New York, United States
OnsiteFull Time
3+ YOE3+ years mobile development with cross-platform React Native or Flutter; shipped iOS and Android apps; product mindset; collaborate with Product/Engineering; HIPAA/compliance awareness.
React Native, Flutter, iOS, Android, Python, Django, PostgreSQL, Redis, TypeScript, AWS, GCP, Docker, Kubernetes, Sentry, GitHub
1mo
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Principal Software Engineer
New York City or Richmond
OnsiteFull Time
10+ YOE10+ years software development experience; expertise in TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin; experience with PostgreSQL/MongoDB, CI/CD, and platform architecture; bachelor’s degree or equivalent.
TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin, PostgreSQL, MongoDB, CI/CD
1mo
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Senior Mobile Cross Platform Engineer
New York City, New York, United States
$160k-$200k/yr OnsiteFull Time
5+ YOE5+ years mobile development experience; strong Flutter and native Android (Kotlin) or iOS (Swift) skills; mobile architecture, performance optimization, mapping APIs, and mentoring experience.
Flutter, Android, iOS, Kotlin, Swift, Dart, Kotlin Coroutines, Swift async-await, Google Maps API, Mapbox, Location Services
1mo
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Sr. Mobile Engineer, L4
New York City, New York, United States
$170k-$195k/yr HybridFull Time
Experience building mobile apps with JavaScript/TypeScript and React Native; familiarity with iOS and Android; strong architecture, performance, testing, and mentoring skills. GraphQL and Flutter are a plus.
JavaScript, TypeScript, React Native, iOS, Android, Flutter, GraphQL
1d
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Senior Vice President, Full-Stack Engineer
Jersey City or New York
$120k-$210k/yr HybridFull Time
10+ YOEBachelor's in CS/Engineering,10+ years full-stack experience; proficiency with Angular/React/Flutter/Dart,Java/Spring,Oracle/MongoDB/SQL; REST, cloud, DevOps and strong problem-solving.
Angular, React, Flutter, Dart, Java, Spring Framework, Oracle, MongoDB, SQL
1w
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Senior iOS Engineer, New York and Dallas
New York City or Dallas
$140k-$170k/yr OnsiteFull Time
Proficient in native iOS (Swift, SwiftUI, UIKit), cross-platform Flutter/Dart, Intune SDK, Xcode and Git; experience integrating REST APIs, state management (Provider/BLOC/Riverpod), and enterprise app distribution; strong mobile UI/UX and testing skills.
Swift, SwiftUI, UIKit, Flutter, Dart, Microsoft Intune, Microsoft Intune SDK, Xcode, Git, Provider, BLOC, Riverpod, AppConfig
1mo
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Software Engineer 3, Mobile
New York, New York, United States
$160k-$185k/yr OnsiteFull Time
5+ YOE5+ years mobile development experience; strong Flutter and Dart proficiency; native iOS/Android (Swift/Kotlin); REST/GraphQL, Firebase, CI/CD and Git experience; strong debugging and collaboration skills.
Flutter 3.x, Dart, Swift, Kotlin, REST, GraphQL, OAuth 2.0, OpenID Connect, Figma, Provider, Riverpod, Bloc, GetX, Hive, SQFlite, Firebase Analytics, Firebase Crashlytics, Firebase Remote Config, Firebase App Distribution, GitHub Actions, Fastlane, Shorebird, Lottie, Rive, Snowplow, GrowthBook, Git
1w
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Sr Software Developer - Trading Platform
Greenwich, Connecticut, United States
HybridFull Time
3+ YOEProven software development experience (minimum 3 years with MS or 5 years with BS), strong Java and concurrency skills, Git, Linux, Gradle experience, multithreading, and excellent communication.
Java, REST, WebSockets, FIX, Git, Linux, Gradle, React Native, Flutter, QML, Qt, Claude Code
1w
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iOS Software Engineer - rednote
New York City, New York, United States
OnsiteFull Time
3+ YOEBachelor's in CS,3+ years iOS/Android development,proficient in Swift/Objective-C and UIKit/SwiftUI,experience with large-scale apps,solid CS fundamentals,and able to work in English and Chinese.
Swift, Objective-C, UIKit, SwiftUI, Flutter, React Native
1d
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Fullstack Software Engineer
United States or Traverse City or Illinois or Colorado or California or District of Columbia or Hawaii or Maryland or Minnesota or Nevada or New York or Jersey City or Cincinnati or Toledo or Rhode Island or Washington or British Columbia
RemoteFull Time
Experience building large-scale customer-facing systems; frontend and backend development with TypeScript/Node.js; familiarity with CI/CD, infrastructure-as-code, and production support; collaborative team participation.
NextJS, TypeScript, Node.js, AWS, Flutter, Dart, JavaScript, CSS, SCSS, Terraform, Playwright, React, React Testing Library, Jest, Vitest, REST, GraphQL, TLS
3mo
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Mid-Level Software Engineer - USA
United States or Mountain View or New York City or Dallas or Miami or Chicago
HybridFull Time
3+ YOE3–6 years of software development; proficient in multiple languages; strong frontend and backend framework experience; cloud, containers, CI/CD; familiar with AI/ML integration.
React, Next.js, Node.js, Spring Boot, FastAPI, Django, Flutter, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Pulumi, CloudFormation, Kafka, RabbitMQ, SQS, Datadog, Grafana, Prometheus, OpenTelemetry, PostgreSQL, MongoDB, Redis, DynamoDB, Elasticsearch, GraphQL, gRPC, WebSocket, GitOps, OAuth 2.0, JWT, RBAC
2mo
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UX Engineer
New York, New York, United States
HybridFull Time
Strong frontend engineering with modern web/mobile experience; prototypes; collaboration with product/design/ML; React/TypeScript; rapid iteration; usability and performance.
React, TypeScript, SwiftUI, Flutter
4w
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Senior Backend Engineer
New York City or United States or Canada
RemoteFull Time
5+ YOE5+ years backend/platform engineering experience building high-scale, highly available systems; deep expertise in auth, financial systems, or blockchain infrastructure; strong distributed-systems and operational skills.
Flutter, React Native, React, Go, Rust, Solana, Google Cloud, Amazon Web Services
1mo
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Senior Backend Engineer
Germany or London or New York City or Los Angeles
$100k-$170k/yr HybridFull Time
5+ YOE5+ years building production backend systems; strong Python and Django experience; SQL, Celery, GCP and Terraform familiarity; experience with LLMs, RAG pipelines, observability, and production operations.
Python, Django, DRF, SQL, Celery, GCP, Terraform, Flutter, Vue, LLMs
1d
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Lead Software Engineer
New York City, New York, United States
$151k-$234k/yr OnsiteFull Time
CareScout: A startup built with Genworth expertise redesigning long-term care experiences and supporting employees to reach their full potential.
10+ YOE10+ years software experience; expert in TypeScript, React, mobile and backend tech; strong architecture, CI/CD, DevSecOps, and mentoring skills; BS in CS or equivalent preferred.
TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin, PostgreSQL, MongoDB
3mo
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Staff / Principal Product Engineer, Security
New York or United States
$250k-$300k/yr HybridFull Time
Experience in application security across mobile, web, desktop, and server; scale-focused security; customer-facing product security.
Swift, Objective-C, Kotlin, React Native, Flutter, React, Node.js, TypeScript, Rust, AWS, Kubernetes, Terraform, S3, Athena, Python, Redis, MongoDB, Geospatial database (HorizonDB), OpenStreetMap, MapLibre, OpenAddresses
2d
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Full-Stack Software Engineer
New York City, New York, United States
$150k-$200k/yr HybridFull Time
6+ YOE6+ years building production systems; strong backend and frontend skills in TypeScript/Node.js and React; API and data modeling expertise; cloud-native experience on AWS/CDK; ability to own domains end-to-end.
TypeScript, Node.js, React, AWS, CDK, Flutter, React Native
4w
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Principal Engineer - AI/ML
Frisco or San Jose or Newport Beach or New York or Toronto or Waterloo
$172k-$283k/yr HybridFull Time
10+ YOE10+ years software development with technical leadership; cloud-native, agentic AI/ML, full-stack and distributed systems experience; Kubernetes, cloud platforms, and strong programming language proficiency.
AWS, Azure, GCP, Python, Java, Go, Rust, C++, JavaScript, TypeScript, Dart, React, Flutter, gRPC, protobuf, Docker, Kubernetes, Helm, ArgoCD, Calico, OPA, Istio, Linkerd, eBPF, Cilium, GitHub Copilot, Claude, ChatGPT, Data Bricks, Snowflake, Big Query, Spark, Hadoop, Kafka
1mo
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QA Engineer
Zagreb or Croatia or New York City
HybridFull Time
2+ YOE2+ years software testing experience, strong QA principles, mobile/SDK testing experience, English proficiency, residency and work authorization in Croatia required; familiarity with Android/iOS/Web testing and issue analysis.
Playwright, Appium, TypeScript, Xcode, Android Studio, Microsoft Visual Studio Code, Docker, Postman, Git, BrowserStack, React Native, Flutter
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