169 app developer jobs at 96 companies in Niagara Falls, NY

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Senior Software Engineer, Cash App Banking
Toronto, Ontario, Canada
$184k-$276k/yr RemoteFull Time
Block
BlockNYSE: XYZ: Creates financial tools for businesses and individuals.
8+ YOE8+ years software development; 1+ year leading large-scale features; Bachelor's or Diploma in CS/CE/Software Engineering; experience with Java/Kotlin, AWS, microservices.
Java, Kotlin, AWS, HTTP, JSON, gRPC, Protocol Buffers, OkHttp, Jetty, JUnit, Guice, Hibernate, MySQL, DynamoDB, Kafka, microservices, DataDog, Prometheus, SignalFx
1w
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Senior Full Stack Engineer, App Runtime
Toronto, Ontario, Canada
$245k-$295k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
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
2mo
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Staff Android Software Engineer - Infotainment App
Toronto, Ontario, Canada
$137k-$181k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: Joint automotive technology venture focused on connected software and infotainment platforms.
8+ YOESenior Android engineer with 8+ years, proficient in Kotlin/Java, Android NDK/JNI, Android lifecycle, and cross-functional collaboration.
Kotlin, Java, C++, Android Jetpack, NDK, JNI
1w
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Mobile Developer
Toronto, Ontario, Canada
HybridFull Time
Reactiv
Reactiv: Platform for merchants to build mobile shopping apps.
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
2mo
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Senior Swift/Kotlin Mobile Developer
Toronto, Ontario, Canada
$70k-$100k/yr OnsiteFull Time
Speer Technologies
Speer Technologies: Building defensible, high-value IP and custom software solutions.
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
2d
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Senior Angular Developer
Toronto, Ontario, Canada
$60k-$95k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
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
3w
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Android developer
Toronto, Ontario, Canada
OnsiteFull Time
Groupe SII
Groupe SII: Provides digital transformation, engineering, and technology consulting services globally.
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
1d
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Application Developer
Mississauga, Ontario, Canada
$80k-$90k/yr HybridFull Time
ERCO Worldwide
ERCO Worldwide: Manufactures industrial chemicals and provides chlorine dioxide technology.
3+ YOEBachelor's degree required; 3–6 years software development experience; experience with React or C# .NET, Power Platform, Azure, SharePoint Online, and related technologies; strong problem-solving and communication skills.
Power Apps, Power Automate, Power Platform, Azure, App Services, Function Apps, Logic Apps, Azure AD, Azure SQL DB, SharePoint Online, Microsoft 365, React, C# .NET, CoPilot Studio, N8N
3mo
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iOS Engineer
Menlo Park or Toronto
$122k-$185k/yr OnsiteFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
4+ YOE4+ years iOS development in Swift; experience improving app performance; collaborate with product/design; experience with A/B testing; strong communication.
Swift, iOS, Xcode, Git, A/B testing
2mo
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Senior Software Developer
Toronto, /, Canada
$100k-$142k/yr HybridFull Time
Moneris
Moneris: Processes merchant payments and provides point-of-sale commerce solutions.
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
2w
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Software Developer
Toronto, Ontario, Canada
OnsiteFull Time
IPH Limited
IPH LimitedASX: IPH: International group providing intellectual property and legal services.
3+ YOE3+ years software development experience with full stack .NET and solid SQL; strong Power Platform (Power Apps, Power Automate, Power BI) skills; bilingual English/French; able to translate business requirements into scalable solutions.
.NET, SQL, ETL, Power Apps, Power Automate, Power BI, Power Platform
1mo
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Lead .Net Software Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
6+ YOE6+ years apps development or systems analysis experience; subject-matter expertise in applications development; project leadership, strong communication, and problem-solving; Bachelor’s required, Master’s preferred.
.NET
2mo
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React Native Developer, Growth
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
HelloFresh
HelloFreshFrankfurt Stock Exchange: HFG: Global meal kit delivery service and food solutions provider.
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
1mo
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Lead .Net Software Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years apps development or systems analysis experience; subject-matter expertise in applications development; programming and system analysis skills; project leadership and communication; Bachelor’s degree or equivalent, Master’s preferred.
.NET
3mo
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Senior iOS Developer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
Interac
Interac: Operates Canada's national debit and digital payment network.
6+ YOE6+ years iOS development experience; Swift/SwiftUI; RESTful APIs; security and authentication; Agile/Scrum; App deployment and CI/CD; strong problem solving and ownership.
Swift, SwiftUI, iOS SDK, Core Bluetooth, REST APIs, JWT, Keychain, App Attest, OAuth 2.0/OpenID Connect
3mo
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Senior Application Developer
Buffalo, New York, United States
$110k-$140k/yr HybridFull Time
Moog
MoogNYSE: MOG.A: Design and manufacture of precision motion control systems.
5+ YOEBachelor's degree in CS or software engineering; 5+ years software development; strong Azure experience; proficient in C#, .NET, Python; experience with distributed cloud apps; Agile/DevOps.
Azure, C#, DotNet, Python, Java, Blazor, MVC, Struts 2, Spring, AI-assisted tools
4w
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Senior Android Developer
Toronto, Ontario, Canada
$120k-$154k/yr OnsiteFull Time
Loblaw Companies
Loblaw CompaniesToronto Stock Exchange: L: Operates grocery, pharmacy, and retail stores across Canada.
Professional Android development experience with Kotlin, reactive programming (Rx Android or Coroutines Flow), Jetpack components, testing frameworks, Git/CI-CD, and experience integrating AI tools; experience building complex apps and mentoring juniors.
Kotlin, Rx Android, Coroutines Flow, Android SDK, Jetpack, LiveData, ViewModel, Room, Navigation, Jetpack Compose, Material Design, JUnit, Mockito, Espresso, Git, CI/CD, GCP, Azure, AWS, FHIR
3mo
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Azure Application Developer (SQL)
Toronto, Ontario, Canada
$80k-$130k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
5+ YOE5+ years Azure and application development experience with Java and SQL; hands-on ADF, App Services, Functions, Data Lake, Azure SQL; strong SQL troubleshooting and performance tuning; good communication.
Microsoft Azure, Java, SQL, Azure Data Factory (ADF), Azure App Services, Azure Function Apps, Azure Data Lake, Azure SQL, Azure SQL Managed Instance, Azure API Management, Azure Network Security Groups (NSG)
1mo
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Salesforce Developer (265131)
Toronto, Ontario, Canada
OnsiteFull Time
Scotiabank
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
6+ YOE6+ years Salesforce development, 3+ years with Salesforce tools (Salesforce DX), Bachelor's in Engineering, Salesforce certifications (PD1/PD2, App Builder, Integration Architect), Financial Services Cloud; nCino experience preferred; strong communication skills.
Apex, Lightning Web Components (LWC), Aura, Salesforce DX, nCino, Platform Events, Salesforce APIs, Salesforce Data Model, Salesforce.com, Lightning platform, nCino Credit Origination
3mo
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MTS1, Software Engineer
Toronto, Ontario, Canada
$142k-$190k/yr HybridFull Time
eBay
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
BS/BA in Computer Science; experience with Node.js, JavaScript, Java, Scala; web and RESTful app development; Spring MVC; CS fundamentals; and mentoring/team collaboration.
Node.js, Java, Scala, Oracle, NOSQL, Spring MVC, Marko, React, JavaScript, HTML