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379 full stack software engineer jobs at 182 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 Software Engineer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years in software engineering with strong full stack; React/AngularJS front-end; Spring Boot; SQL; REST/microservices; AI tools experience.
React, AngularJS, Spring Boot, SQL, Python, REST, Microservices, AI Development Tools, Google ADK, Claude Code, agent.MD
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1mo
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Full Stack Software Engineer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
6+ YOE6+ years software engineering experience (financial services preferred); full-stack skills with React/AngularJS, Java/Spring Boot, SQL, Python; experience with REST APIs, microservices and AI development tools; Bachelor’s degree or equivalent.
React, AngularJS, Java, Spring Boot, SQL Queries, Python, RESTful APIs, Google AI Development Kit (ADK), Claude Code, agent.MD
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1w
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Full Stack Software Developer
North York, Ontario, Canada
$90k-$100k/yr OnsiteFull Time
YuJa
YuJa: Cloud-based video management and accessibility platforms for educational institutions.
Bachelors in CS/CE/EE, strong software design/development/testing skills, experience with Java/J2EE stack (EJB, JSP, Servlets, JDBC), Eclipse, JBoss, MySQL, Windows/Linux servers, network protocols (HTTP/HTTPS/TCP-IP), and strong English communication.
Java, J2EE, Enterprise JavaBeans (EJBs), Java Server Pages (JSP), Java Servlets, JDBC, Eclipse, JBoss, C++, iOS, Android, MySQL, HTTP, HTTPS, TCP-IP, Windows Server, Linux
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2mo
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
$130k-$150k/yr HybridFull Time
Brilliant Harvest: AI platform providing automated technical support for equipment dealerships.
5+ YOE5+ years full stack experience; proficient with Claude tools; cloud experience (Azure); Docker; modern OO language; agile; testing; CI/CD.
Claude Code, Claude API, Azure, Docker, Git, Postman, xUnit
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1mo
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Full Stack Software Developer
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
Bachelor's in CS/Software Engineering, proven experience with Angular and Java Spring Boot, GitHub/GitHub Actions, Jira, Confluence, Jenkins, modernizing legacy systems, and strong communication skills.
Angular, Java, Spring Boot, GitHub, GitHub Actions, Jira, Confluence, Jenkins, REST, GraphQL
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2d
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Senior Full-Stack Software Engineer
Toronto, Ontario, Canada
$120k-$180k/yr OnsiteFull Time
STAN AI
STAN AI: AI-powered communication and management platform for property managers.
5+ YOE5+ years full-stack experience with JavaScript/TypeScript and React, MongoDB, Node JS REST APIs, cloud deployment (Google Cloud, AWS, or Azure); AI/NLP experience preferred.
React, TypeScript, JavaScript, MongoDB, Node JS, Google Cloud, Amazon Web Services, Azure
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1w
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
$113k-$163k/yr HybridFull Time
Manulife
ManulifeTSX: MFC: Provides insurance, wealth management, and investment services globally.
5+ YOE5+ years full-stack development; strong Java, Spring Boot, Python; experience with Docker, Kubernetes, Azure, SQL Server, Databricks; CI/CD; capital markets and derivatives knowledge; AI/ML integration experience.
Java, Spring Boot, Python, Docker, Kubernetes, Azure, SQL Server, Databricks, Bloomberg, Reuters, Murex, Findur, Aladdin, Azure OpenAI, OpenAI APIs
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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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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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3d
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Full Stack Software Engineer, Officer
Toronto, Ontario, Canada
$67k-$110k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
0+ YOEB.S. in CS/Engineering/Mathematics required,0+ years professional software engineering experience; proficiency in Java and/or JavaScript, SQL, Agile experience, effective communication.
Java, JavaScript, TypeScript, React, SQL, Spring Boot, Docker, Kubernetes, Kafka, GitHub Copilot, C#, WinForms, Dynatrace, SolarWinds, Temporal
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3d
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
$96k-$120k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Manufacturer and global marketer of food and beverage products.
5+ YOE5+ years software engineering experience; strong React/TypeScript and Python (FastAPI); REST API and SQL experience; cloud experience (Azure) and CI/CD; strong communication and mentoring skills.
React, TypeScript, JavaScript, Python, FastAPI, SQL, Azure, CI/CD
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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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4d
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Kraft Heinz
Kraft HeinzNasdaq: KHC: Produces and sells packaged food and beverage products globally.
5+ YOE5+ years software engineering experience; strong with React and TypeScript, Python (FastAPI), SQL; cloud experience (Azure preferred); automated testing, CI/CD, and strong communication skills; English fluency required.
React, TypeScript, Python, FastAPI, JavaScript, SQL, Azure
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3w
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Software Engineer (Full Stack)
Waterloo or Toronto or Ottawa
$70k-$120k/yr HybridFull Time
Magnet Forensics
Magnet Forensics: Provides software for digital forensics and evidence recovery.
1+ YOE1+ years software engineering experience; post-secondary education in CS/engineering preferred; strong full‑stack skills with React and C#, automated testing, cloud/SaaS experience, and cross-functional collaboration.
React, C#, AWS, Kubernetes
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5d
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Full Stack Engineer, Support Experience
Toronto, Ontario, Canada
OnsiteFull Time
Stripe
Stripe: Provides online payment processing and financial infrastructure for businesses.
2+ YOE2+ years building production software, full-stack engineering across frontend and backend, strong coding, testing, observability, user empathy, and ability to integrate services.
JavaScript, React, Ruby
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1mo
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Full-Stack Software Developer
Mississauga or Toronto or Calgary
HybridFull Time
Engineered Intelligence
Engineered Intelligence: A power infrastructure technology building cloud-based analytics software for transmission and distribution asset management.
4+ YOEBachelor's degree, 4+ years building web applications, strong TypeScript and front-end framework experience (Angular/React), back-end experience with Java/Kotlin and Spring, REST APIs, testing and code-quality focus.
TypeScript, Angular, React, Java, Kotlin, Spring, Spring Boot, ORMs, AWS, Node.js, Express.js, NoSQL, Apache Spark, Scala, Python
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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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5d
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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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2d
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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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2mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Produces and sells condiments, dairy products, and packaged foods.
7+ YOE7+ years in software/platform engineering/architecture; strong Python (FastAPI), JavaScript/TypeScript (ReactJS); API design; DB design and SQL; cloud (Azure/AWS/GCP); leadership in enablement; internal developer platforms; experience with SonarCloud/LinearB/Datadog preferred.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Datadog, SonarCloud, LinearB, Backstage
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