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439 full stack developer jobs at 198 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
3mo
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Full Stack Developer
Toronto or United States
RemoteFull Time
Quantiphi
Quantiphi: Provides applied AI research and data engineering services.
5+ YOE5–10 years in full stack software development; strong frontend/backend skills; experience with APIs, microservices, and distributed systems.
React, TypeScript, Next.js, Python (FastAPI), Node.js, PostgreSQL, Docker, Kubernetes, GCP, Azure, GitHub Actions, LangChain, LangGraph, OpenTelemetry
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2mo
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Full Stack Engineer
Redwood City or Toronto
$150k-$1000k/yr OnsiteFull Time
8090 Solutions
8090 Solutions: A software-focused delivering hosted software for customers.
Full-stack web development experience using Python, TypeScript, React, and AWS; strong communication; end-to-end ownership; on-site in Redwood City or Toronto.
Python, TypeScript, React, AWS, GitHub Actions, Docker, AWS CDK
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2mo
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Full Stack Developer, Investly
Toronto, Ontario, Canada
$99k-$135k/yr HybridFull Time
Fidelity Canada
Fidelity Canada: Provides investment products and clearing services for Canadian investors.
3+ YOEExperience in Java/JavaScript, React, AWS, and full‑stack development; bachelor’s degree in a related field; 3+ years of experience.
Java, JavaScript, React, Angular, Node.js, AWS, MySQL, JIRA, CI/CD, React Native, Swift, Kotlin, REST, MQ, SOAP, JSON
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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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2mo
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Full Stack Developer (eCommerce)
Toronto, Ontario, Canada
$110k-$120k/yr HybridFull Time
Saje Natural Wellness
Saje Natural Wellness: Sells plant-based essential oils, diffusers, and natural wellness products.
5+ YOE5+ years full-stack eCommerce development; Shopify themes/apps, Liquid, React, HTML/CSS/JS, TailwindCSS, GraphQL; API integrations; SEO; Git; Bachelor’s degree in a technical field.
HTML5, CSS3, JavaScript, TypeScript, React, Liquid (Shopify), Tailwind CSS, GraphQL, Git, Webpack, Babel, PostCSS, Github Actions
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1mo
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Full Stack Developer
Toronto or St. Catharines or Montreal or Canada
$100k-$110k/yr HybridFull Time
Rentsync
Rentsync: Provides software and marketing solutions for rental property management.
3+ YOE3+ years building full‑stack apps with Node.js and TypeScript; frontend experience with Vue.js (or React/Angular); production DB experience (PostgreSQL/MySQL); Git/GitHub, Docker, AWS; located in and legally entitled to work in Canada.
NodeJS, TypeScript, Python, Apache Airflow, Vue.js, MySQL, PostgreSQL, Git, GitHub, Docker, Jira, AWS, S3, EC2, RDS, Elasticsearch, Redis, GraphQL
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3mo
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Full Stack Agile Software Engineer
Toronto, Ontario, Canada
HybridFull Time
TribalScale
TribalScale: Design and develop digital products and AI solutions for enterprises.
2+ YOE2+ years in full-stack development; experience with React/TypeScript and APIs; familiarity with AI/LLMs.
React, JavaScript, TypeScript, APIs, iOS, Android, React Native, AI/LLMs, Cursor, Claude, ChatGPT
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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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Full Stack Developer (260428)
Toronto, Ontario, Canada
OnsiteFull Time
Scotiabank
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
5+ YOEBachelor's in a technical field and 5+ years full‑stack development; proficiency with HTML/CSS, SQL, Node.js/Java/.Net/TypeScript/JavaScript, React/Angular, REST APIs, cloud (Google Cloud Platform preferred), and Jira; Agile experience.
HTML, CSS, SQL, Google Cloud Platform, AWS, Azure, Node.js, Java, Net, TypeScript, JavaScript, React, Angular, REST APIs, Jira
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4w
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Full Stack Engineer
New York or Toronto
HybridFull Time
Patlytics
Patlytics: AI software for patent drafting and intellectual property intelligence.
4+ YOE4+ years full-stack/API experience; strong Python, SQL, JavaScript/TypeScript, React/Next.js; experience with FastAPI, LLM inference pipelines, and frontend tools like TailwindCSS and state/query libraries.
Python, FastAPI, Next.js, React, JavaScript, TypeScript, TailwindCSS, Redux, Zustand, TanStack Query, SWR, SQL, LLM
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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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1mo
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Senior Full Stack Developer
Toronto or Montreal
$100k-$130k/yr HybridFull Time
TravelBrands
TravelBrands: Canadian travel wholesaler and retailer providing comprehensive booking solutions.
5+ YOESenior full stack developer with Node.js/NestJS, TypeScript, React/Next.js, AWS serverless, SQL/NoSQL, and CI/CD; mentoring and cross-functional collaboration.
Node.js, NestJS, TypeScript, React, Next.js, PostgreSQL, MongoDB, DynamoDB, Elasticsearch, AWS, S3, Lambda, Docker, Terraform, Jest, Mocha
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1mo
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React Full Stack Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
3+ YOE3+ years software development with Java, React, Spring Boot; full stack, CI/CD, AWS/GitHub, Docker/Kubernetes; Agile/Scrum; Oracle DB; AI tooling.
React, Java, Spring Boot, Docker, Kubernetes, AWS, GitHub Enterprise, Jenkins, OpenShift, Maven, Gradle, GraphQL, REST, SQL, PL/SQL, Oracle
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2mo
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Senior Full Stack Engineer
Mississauga, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
3+ YOE3+ years Salesforce engineering; 5+ years full stack development; CI/CD experience; GenAI tools; API design and testing.
Salesforce.com Development, Microsoft .NET Platform, React.js, JavaScript, Node.js, Git, CI/CD, SFDX, Flosum, Gearset, Copado, Copilot, Windsurf, Claude, MuleSoft, Kafka, Kubernetes, Docker, Azure, AWS
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3w
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Senior Full Stack Engineer
Toronto or United States or United Kingdom or Canada or India
HybridFull Time
Codal
Codal: A design and development agency building digital solutions.
4+ YOE4+ years full-stack development experience with React/NextJS (TypeScript) and backend using Python (Django/FastAPI) or Node.js (Express/NestJS); REST/GraphQL, relational DBs (PostgreSQL/MySQL), cloud (AWS/GCP/Azure), Git and CI/CD (GitHub Actions), agile experience.
React, NextJS, TypeScript, Python, Django, FastAPI, Node.js, Express, NestJS, GraphQL, PostgreSQL, MySQL, AWS, GCP, Azure, Git, GitHub Actions, Redux, Context API, Contentful, Contentstack, Sanity, Shopify, BigCommerce, Saleor, Docker, Kubernetes, Terraform, CDK, Prometheus, Grafana, BigQuery, Snowflake
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3d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
HybridFull Time
HSBC
HSBCLondon Stock Exchange: HSBA: Provides global banking and financial services to individuals and businesses.
Hands-on full-stack DevOps engineer with technical leadership, production support, API and database experience, and ability to manage multiple teams and deliver reliable services.
Java, JavaScript, Clojure, Python, PostgreSQL, Unix, Windows, REST
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1d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
$117k-$175k/yr HybridFull Time
HSBC
HSBCLondon Stock Exchange: HSBA: Global banking and financial services provider.
Hands-on full-stack DevOps engineer with leadership experience, coding across multiple languages, API design, database and infrastructure knowledge, observability and incident management.
Java, JavaScript, Clojure, Python, PostgreSQL, Unix, Windows, REST
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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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2d
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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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