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44 dotnet full stack developer jobs at 34 companies in Niagara Falls, NY

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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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Full Stack Developer
Langley or Toronto or Penticton or Duncan or Victoria or Kelowna
$90k-$136k/yr HybridFull Time
First West Credit Union
First West Credit Union: Member-owned cooperative providing personal and business banking services.
5+ YOEBachelor’s degree in Computer Science or related field; minimum 5 years of full stack and API experience; cloud platforms and CI/CD pipelines preferred; banking/fintech experience preferred.
.NET, React, Angular, Node.js, Python, AWS, Azure, GCP, Docker, Kubernetes, GraphQL, REST, SQL, PostgreSQL, MongoDB, CI/CD, OAuth, JWT
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1mo
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.NET Full Stack Developer
Scarborough, Ontario, Canada
$85k-$95k/yr HybridFull Time
Merrithew
Merrithew: Provides professional Pilates equipment and instructor certification programs.
4+ YOE4+ years .NET full-stack experience with C#, ASP.NET, web and API development, system integrations, and database work (Microsoft SQL Server/MySQL). Bachelor's in CS or equivalent experience preferred; SSRS and JIRA experience required.
Microsoft .NET MAUI, Microsoft WinForms, Microsoft ASP.NET MVC, ASPX, APIs, Microsoft SQL Server, MySQL, Microsoft SQL Server Reporting Services (SSRS), JIRA, C#, .NET Framework, HTML, CSS, JavaScript, REST, SOAP, JSON, XML, Microsoft Azure, AWS, Sage 300, Sage CRM, Google Marketing Platform, Google Analytics
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2mo
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Senior Full-Stack Developer
Toronto, Ontario, Canada
$130k-$145k/yr RemoteFull Time
ODAIA
ODAIA: AI commercial intelligence software for life sciences companies.
5+ YOE5+ years of full-stack experience; API design; React/TypeScript; AWS; REST; data structures; cross-functional collaboration.
Python, JavaScript/Node.js, Java, .NET, React, TypeScript, REST APIs, PostgreSQL, MongoDB, AWS
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2w
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Senior Full-Stack Developer
Toronto or Canada
$120k-$160k/yr RemoteFull Time
Flinks
Flinks: Embedded finance platform for financial data connectivity and payments.
6+ YOE6+ years building production full‑stack web applications with production experience in Angular, TypeScript, and C#/.NET; Bachelor’s in CS or equivalent experience; ability to own features end‑to‑end and work in a remote, collaborative environment.
Angular, TypeScript, RxJS, NgRx, Angular Material, Tailwind CSS, C#/.NET, Entity Framework Core, PostgreSQL, SQL Server, Redis, Firestore, Google Cloud Platform, Kubernetes, Docker, Terraform, Pub/Sub, Microsoft Azure DevOps, Git, Webpack, Cypress, Playwright, Grafana, REST APIs
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3d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
$120k-$145k/yr HybridFull Time
Fiera Capital
Fiera CapitalToronto Stock Exchange: FSZ: Provides multi-asset investment solutions to global clients.
5+ YOE5+ years full-stack experience with C#/.NET, SQL and Azure; bachelor\u0002s degree in a technical field; strong design, testing, troubleshooting, and communication skills.
C#, .NET, .NET Core, SQL Server, Azure Functions, App Services, Azure SQL, Storage Accounts, Key Vault, Python, Blazor, JavaScript, HTML/CSS, Azure Data Factory, Azure DevOps, Git, CI/CD, REST APIs, Entity Framework
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3w
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Senior Full-Stack Developer [Risk]
Vancouver or Toronto or Montreal or Phoenix or Canada or United States
$120k-$140k/yr OnsiteFull Time
ScalePad
ScalePad: Asset management and automation software for Managed Service Providers.
7+ YOE7+ years SaaS development experience; strong full-stack skills across front-end and back-end; proficient with Java, Python, C#/.NET, React/TypeScript; experience with LangChain/LangGraph, vector databases, SQL, AWS; CI/CD and DevOps familiarity.
Java, C#, .NET, React, TypeScript, Angular, REST APIs, SQL, AWS, Python, LangGraph, LangChain, OpenAI, Vector databases, RAG retrieval, CI/CD, DevOps
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1mo
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GenAI Full Stack Developer (PL854)
Toronto, Ontario, Canada
HybridContract
Paralucent
Paralucent: A technology delivering GenAI-powered software solutions.
3+ YOE3+ years full stack development; React/Next.js/Angular; backend APIs with Node.js/Python/Java/.NET; GenAI/RAG experience; cloud platforms; security and CI/CD.
React, Next.js, Angular, Node.js, Python, Java, .NET, Azure OpenAI, LangChain, RAG Pipelines, Docker, Kubernetes, Terraform, PostgreSQL, Redis, Vector Databases
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4w
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Full Stack Developer
Toronto, Ontario, Canada
$110k-$130k/yr HybridFull Time
Corpay
CorpayNYSE: CPAY: Provides corporate payment and expense management solutions.
5+ YOE5+ years software development experience in financial services/fintech/payments. Strong .NET, C#, JavaScript/TypeScript, and Microsoft SQL Server skills; experience with APIs, unit testing, Agile/Scrum, and scalable architecture. Bachelor's degree or equivalent.
.NET, C#, JavaScript, TypeScript, Microsoft SQL Server, Agile, Scrum
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2d
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IT - Full Stack Software Developer
Toronto or London or Burlington
$96k-$125k/yr HybridFull Time
Mohawk Medbuy
Mohawk Medbuy: Provides supply chain and procurement services for Canadian healthcare
5+ YOEUniversity degree in computer science or related field,5+ years full-stack development,proficiency with JavaScript/TypeScript,Node.js,Microsoft Azure,EM APIs/GraphQL,React Testing Library,and Agile SDLC practices.
JavaScript, TypeScript, Node.js, React Testing Library, Microsoft Azure, Azure SQL/Managed Instances, RESTful APIs, GraphQL, Azure Logic Apps, Azure APIM, Azure Service Bus, Azure Event Grid, Azure Blob Storage, Azure Communication Services, CI/CD, OAuth, JWT, .NET (C#), Java, React, Material UI, Tailwind, OWASP, NIST, Large Language Models (LLMs)
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2mo
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Senior Full Stack Engineer
Toronto, Ontario, Canada
OnsiteFull Time
KEV Group
KEV Group: Software for school activity fund management and accounting.
8+ YOESenior full-stack engineer with deep experience in C# and ASP.NET, React frontend, and distributed SaaS systems; strong knowledge of SQL and cloud platforms; reliability and security focus.
React, JavaScript, HTML, CSS, C#, ASP.NET, SQL, Azure, REST APIs, NET
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3w
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Full Stack Developer
Toronto, Ontario, Canada
$115k-$135k/yr OnsiteFull Time
Corpay
CorpayNYSE: CPAY: Provides digital platforms for corporate payments and expense management.
4+ YOEB.S. in CS/Engineering or equivalent; 4+ years software engineering; strong .NET and C#, JavaScript/TypeScript, React; MS SQL Server; unit testing; HTTP APIs; fintech or payments experience a plus.
.NET, C#, JavaScript, TypeScript, React, MS SQL Server, HTTP
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3w
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Intermediate Full-Stack Developer
Toronto, Ontario, Canada
$70k-$90k/yr HybridFull Time
Method
Method: Customizable CRM software with deep QuickBooks integration.
3+ YOE3+ years building production web applications across front- and back-end; strong C#/.NET Core or equivalent and React/TypeScript skills; experiment-driven, AI-first workflow, API design, testing, and analytics instrumentation.
React, TypeScript, C#, .NET Core, Java, Node, Angular, Vue, QuickBooks, Xero, ORM, Amplitude, Datadog, Linux, Docker, Redux, MongoDB, Elasticsearch, Redis, RabbitMQ, MassTransit, CI/CD pipeline, Python, AWS, Codex, Copilot, Claude
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1mo
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Senior React/.NET/SQL Server Full Stack Developer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr OnsiteFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years full-stack development; .NET Core/Framework and C#; React (16+); SQL Server; Python; RESTful API and Kafka; HTML5, CSS3, JavaScript/TypeScript; Git; bachelor’s degree or equivalent experience.
.NET Core, .NET Framework, C#, React, SQL Server, Python, RESTful API, Kafka, HTML5, CSS3, JavaScript, TypeScript, Git, Kubernetes, OpenShift, ECS, xUnit, NUnit, Jasmine, pytest
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1mo
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Senior React/.NET/SQL Server Full Stack Developer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr OnsiteFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
6+ YOE6+ years full-stack development experience with .NET (Core/Framework) and C#, React (16+), SQL Server; Python, Kafka, RESTful APIs, HTML5/CSS3/JavaScript/TypeScript, and Git experience; Bachelor's degree or equivalent.
.NET Core, .NET Framework, C#, React, SQL Server, Python, RESTful API, Kafka, HTML5, CSS3, JavaScript, TypeScript, Git, Kubernetes, OpenShift, ECS, xUnit, NUnit, Jasmine, pytest
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2w
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Specialist, Application Development (Full Stack Developer) (40291)
Waterdown, Ontario, Canada
$85k-$105k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEProficiency in C#, ASP.NET, Microsoft SQL Server; 4+ years related experience or equivalent; experience with Agile, CI/CD and DevOps practices preferred; strong problem-solving and communication skills.
C#, ASP.NET, Microsoft SQL Server, HTML5, CSS3, jQuery, JavaScript, Bootstrap, CI/CD
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2d
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Full Stack Developer (.NET, C#, SQL, React, and Azure Databricks)
Toronto, Ontario, Canada
HybridFull Time
CIBC
CIBCToronto Stock Exchange: CM: Provides personal, commercial, and investment banking and wealth management.
4+ YOEMinimum 4 years C#/.NET development with TDD experience; experience with .NET, C#, SQL Server, PowerShell, Databricks, ASP.NET, MVC, APIs; degree/diploma in computer science or related preferred.
Microsoft .NET, C#, SQL Server, PowerShell, Databricks, ASP.NET, MVC, XML, Json, .NET Core, Microservices, RESTful API, Unit Testing, React.js, Microsoft Azure, Microsoft Azure Databricks, Elastic search, GraphQL, TDD, ATDD, BDD
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1d
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Senior Software Engineer (Full Stack)
Pittsburgh or Boston or Montreal or Toronto or United States
HybridFull Time
Confluence
Confluence: Software for investment management data and regulatory reporting.
Experienced full-stack developer with C#/.NET backend, React frontend, SQL Server, Python familiarity, modern architecture, CI/CD familiarity, debugging skills, and Agile experience.
React, .NET, Python, SQL Server, C#, SQL
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3mo
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Application Developer Sr (Python, React, Full Stack)
Toronto or Minneapolis or Philippines or North America or Europe or Asia or Africa
OnsiteFull Time
Dayforce
Dayforce: Cloud-based human capital management software and services platform.
5+ YOE5+ years experience; advanced Python and AI knowledge; strong React and modern JavaScript framework skills; experience with HTML, CSS3, SVG, WCF, JSON, SQL, OOP languages (C#, Java, C++); Azure, GitHub, Jira, agile, testing, and mentoring.
Python, React, HTML, CSS3, SVG, Microsoft WCF, JSON, Angular, Ember, Backbone, C#, Java, C++, SQL, GitHub, Microsoft Azure, TypeScript, Microsoft .NET, Microsoft ASP.NET MVC, Jira
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1w
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Lead Developer
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
7+ YOEBachelor's in CS/Software Engineering,7+ years full-stack .NET development,SQL Server,CI/CD experience (GitHub Actions),experience with generative AI tools and enterprise-scale apps.
.NET, ASP.NET Web Forms, SQL Server, ADO.NET, jQuery, SOAP, GitHub Actions, GitHub Copilot, Tableau, IIS
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1w
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Senior Developer (T & I) (Telework/Hybrid)
Montreal or Toronto or Ottawa
HybridFull Time
CBC/Radio-Canada
CBC/Radio-Canada: Canada's national public broadcaster providing multimedia news and entertainment.
3+ YOE3+ years application development experience, full-stack web development with .NET/C#, Azure, JavaScript/TypeScript; Agile experience and strong communication skills.
Jenkins, GIT, HTML5, CSS3, JavaScript, TypeScript, Bootstrap, AngularJS, .NET, C#, Microsoft Azure Function Apps, Microsoft Azure Data Factory, Microsoft Azure Event Grid, Microsoft Azure Data Storage, OpenAPI, Swagger, MongoDB, Oracle, SQL Server, xUnit, Cypress
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