102 app developer jobs at 84 companies in Newfane, NY
3mo
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Staff Software Engineer, Cash App Banking
New York or Toronto
$223k-$334k/yr RemoteFull Time
12+ YOE12+ years software development; 3+ years leading large-scale features; Bachelor's or Diploma in CS/CE/Software Eng; strong design capabilities and mentoring.
Java, Kotlin, AWS, HTTP, JSON, gRPC, Protocol Buffers, OkHttp, Jetty, JUnit, Guice, Hibernate, Aurora, MySQL, DynamoDB, Redis, Kafka, DataDog, Buildkite, Gradle
3w
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Senior Full Stack Engineer, App Runtime
Toronto, Ontario, Canada
$245k-$295k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related,5+ years frontend/full-stack experience,proficiency with React and TypeScript/JavaScript,experience with Go/Python/Java,knowledge of modern web architecture and API design,strong communication.
React, Go, Python, Java, TypeScript, JavaScript, NextJS, Node.js
1w
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Senior Software Developer - Mobile
Oakville or Toronto or Waterloo
$104k-$136k/yr HybridFull Time
5+ YOESenior-level mobile engineering experience building scalable iOS/Android apps, expertise in Swift/Kotlin or cross-platform frameworks, CI/CD, mobile testing, AI-assisted development tools, and strong communication and mentorship skills.
Claude Code, GitHub Copilot, Swift, SwiftUI, Kotlin, Jetpack Compose, React Native, Flutter, Fastlane, Bitrise, GitHub Actions, XCTest, Espresso, Detox, WebSockets, MQTT, BLE, CAN bus, App Store, Google Play
4w
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Mobile Developer
Toronto, Ontario, Canada
HybridFull Time
2+ YOE2+ years building mobile or web apps, React Native and React fundamentals, TypeScript/JavaScript familiarity, mobile lifecycle experience, problem-solving and collaboration skills.
React Native, TypeScript, JavaScript, Node.js, Reanimated, Swift, Kotlin, Shopify, App Store, Google Play, CI/CD
3mo
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Senior Swift/Kotlin Mobile Developer
Toronto, Ontario, Canada
$70k-$100k/yr OnsiteFull Time
3+ YOESenior mobile developer with 3+ years of mobile experience; strong Swift and Kotlin; mobile architecture; API integration; hardware integration; CI/CD; App Store/Play deployment.
Swift, Kotlin, REST APIs, OAuth/JWT, CI/CD, Git, App Store, Google Play, BLE, LiDAR, SDKs
1mo
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Senior PeopleSoft Developer
Toronto, Ontario, Canada
OnsiteFull Time
7+ YOE7+ years PeopleSoft development experience with App Designer, SQR, PeopleCode, SQL/PL‑SQL; experience with batch processing, performance tuning, troubleshooting, and mentoring junior developers.
PeopleSoft, App Designer, SQR, PeopleCode, SQL, PL/SQL
5d
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Developer (263997)
Toronto, Ontario, Canada
OnsiteFull Time
2+ YOEBachelor’s degree or equivalent, 2–4 years of full-stack development experience, and familiarity with React, Next.js, JavaScript, TypeScript, Node.js, Java, REST APIs, cloud, DevOps, and databases.
React.js, Next.js, JavaScript, TypeScript, Node.js, Java, Spring Boot, Kafka, Google Pub/Sub, Google Cloud, Cloud Run, Cloud Functions, Microsoft Azure, App Services, Key Vault, Git, Jenkins, GitHub Actions, SSL/TLS, OAuth2, JWT, SQL, PostgreSQL, Azure SQL, MongoDB, Docker, Kubernetes
2w
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Senior Angular Developer
Toronto, Ontario, Canada
$60k-$95k/yr HybridFull Time
5+ YOE5+ years with Angular, hands-on TypeScript, accessibility, unit testing, cloud app development, REST API experience, and knowledge of security protocols.
Angular 10+, Angular 18+, TypeScript, HTML, CSS, Jest, Cypress, Protractor, JUnit, Mockito, Pivotal Cloud Foundry, OpenShift, Docker, Swagger, RAML, SOAP, JWT, OAuth 2.0, SSL, CI/CD, Webpack
1mo
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Android developer
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOEBS/MS in CS/Engineering (or related), 3+ years experience in Android app development, experience with Android SDK, REST/JSON, third-party APIs, unit testing, and collaborating with cross-functional teams.
Android SDK, REST, JSON
2mo
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Senior Software Developer
Toronto, /, Canada
$100k-$142k/yr HybridFull Time
Develop mobile apps for iOS/Android using React Native and native Swift/Kotlin; ensure automated tests, CI/CD, and Agile practices.
React Native, Swift, Kotlin, GitHub, GitHub Actions
3mo
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React Native Developer, Growth
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
2+ YOE2-4 years React/React Native, mobile app development, API integration, testing, CI/CD, agile teamwork.
React, React Native, Swift, Kotlin, APIs, CI/CD, Agile
6d
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AI Mobile Engineer- IOS
Toronto, Ontario, Canada
$80k-$190k/yr HybridFull Time
3+ YOE3–5+ years building enterprise-grade native iOS apps with Swift and SwiftUI, experience in regulated industries, mobile-backend integration, AI/ conversational integration, CI/CD and testing practices.
Swift, SwiftUI, CI/CD, App Store
1mo
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Senior Software Developer
Greater Toronto Area, Ontario, Canada
OnsiteFull Time
5+ YOE2+ Mgmt5+ years software development experience with 2+ years in a leadership role. Strong .NET/C#, Python, Azure, AI, CRM and supply chain experience; DevOps, CI/CD, Docker/Kubernetes, and ML/ MLOps exposure.
.NET, C#, Python, Azure Functions, App Services, Azure SQL, Azure AI/ML services, ChatGPT, Claude, Docker, Kubernetes, MLflow, Azure ML, Kubeflow, SAP, Microsoft Dynamics, Salesforce, Kotlin, Java, SharePoint
1mo
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Senior Salesforce Developer
Toronto or Vancouver
$98k-$138k/yr OnsiteFull Time
5+ YOE5+ years implementing Salesforce Lightning apps, integrations, and custom solutions; Salesforce Platform Developer I & II required; experience with Sales, Service, CPQ, Experience Cloud, Apex, LWC, Visualforce, integrations, HTML/CSS/TypeScript/JavaScript, Jira, and Agile.
Salesforce.com, Force.com, Apex, Batch Apex, Lightning Web Components, Visualforce, Lightning App Builder, Salesforce CPQ, Experience Cloud, Salesforce APIs, Web Services, LeanData, Gong, SalesLoft, HTML, CSS, TypeScript, JavaScript, Jira
1mo
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Senior iOS Engineer
New York or Philadelphia or Toronto or Pittsburgh or San Francisco or Plymouth Meeting
$150k-$250k/yr OnsiteFull Time
5+ YOE5+ years mobile development, proficient in Swift (Swift 6), strong mobile UX skills, experience leading large projects, ability to implement Figma designs in-app, and mentoring experience.
Swift, SwiftUI, Figma, Invision, Origami, Sketch
2mo
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Senior Mobile Engineer
Toronto, Ontario, Canada
$134k-$175k/yr HybridFull Time
Senior mobile engineer with production mobile app experience on iOS or Android; cross‑platform collaboration; AI‑assisted development; capable of contributing across platforms.
Swift, SwiftUI, MVVM, Async/Await, Combine, Kotlin, Jetpack Compose, Dagger, Gradle, GitHub Actions, CircleCI, XCTest, Sentry, App Store release pipelines
2mo
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Staff Frontend Engineer
Toronto or Canada
$175k-$200k/yr HybridFull Time
Deep expertise in TypeScript and React (Next.js), experience building production web apps, integrating LLMs/AI into UIs, product-minded development, and mentoring other engineers; multi-tenant experience preferred.
TypeScript, React, Next.js, Claude Code, Cursor, LLM
1mo
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Senior Software Engineer, Mobile Platform - Guest App (Remote, United States)
San Francisco or Toronto or United States or Canada
$190k-$220k/yr RemoteFull Time
4+ YOE4+ years building and shipping production applications; strong TypeScript; mobile (React Native) and mobile distribution experience; CI/CD, release automation, monitoring, and cross-functional collaboration.
React Native, Buildkite, MacStadium, AWS, Node.js, MongoDB, PostgreSQL, TypeScript, Apple App Store, Google Play
2mo
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Senior Back End Developer
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years backend development; Java; Spring Boot; REST APIs; Microservices; Oracle/PostgreSQL; Kafka; containerized apps; cloud platforms (AWS/Azure/OpenShift/GCP).
Java, Spring Boot, REST, Kafka, Oracle, PostgreSQL, OpenShift, AWS, Azure, GCP, Docker, Kubernetes
3mo
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Software Developer
Toronto or Toronto
$80k-$130k/yr RemoteFull Time
Experience building scalable web apps on the cloud; strong JavaScript front-end (React/React Native/TypeScript) or backend (.NET 10 on Azure); SQL and NoSQL; growth mindset.
React, React Native, TypeScript, .NET, Azure, SQL, NoSQL, Next.js, Contentful, Turborepo
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