47 web application developer jobs at 37 companies in Newfane, NY
2mo
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Senior Web Developer (260056)
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years web application development; strong expertise in JavaScript/TypeScript, PHP, HTML5, CSS3; experience with React (preferred), component architectures, REST/GraphQL, performance, security (OWASP), accessibility (WCAG), modern build tools and CI/CD; mentoring experience.
JavaScript, TypeScript, PHP, HTML5, CSS3, React, Angular, Vue, RESTful, GraphQL, OWASP, WCAG, Webpack, Vite, npm, yarn, CI/CD, Azure, AWS, GCP, Node.js, Java, .NET, Jest, Cypress, Playwright
2mo
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Application / Platform Engineer (Web + SDK)
Markham, Ontario, Canada
HybridFull Time
4+ YOEShipping production web apps; frontend engineering for media-heavy apps; API/SDK design; cross-team collaboration.
JavaScript, TypeScript, WebGL, WebCodecs, APIs, SDKs
3mo
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AI Web Developer (Remote Canada)
Toronto or Calgary or Montreal or Ottawa or Vancouver
RemoteFull Time
3+ YOE3+ years of professional web development with production ownership of user-facing applications; strong React and TypeScript; full-stack capabilities; AI-assisted development; knowledge of LLM integrations and data querying.
React, TypeScript, Next.js, Remix, Claude Code, Cursor, Copilot, BigQuery, MySQL, PostgreSQL, Docker, AWS, GitHub Actions, Nginx, HubSpot, Salesforce, LinkedIn Ads, Google Ads, GA4
1w
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Senior Application Developer- Python (Global Security)
Toronto, Ontario, Canada
OnsiteFull Time
7+ YOE7+ years software development experience with advanced Python and web frameworks, cloud and containerization expertise, databases, REST APIs, and mentoring experience.
Python, Django, FastApi, Flask, OCP, Azure, AWS, Docker, Kubernetes, SQL, NoSQL, Vue.js, HTML, CSS, JavaScript, Typescript, Jenkins, GIT, GitHub Actions, ELK, Dynatrace, Grafana
1mo
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Sr. Software Engineer, Web
Toronto or Ontario
HybridFull Time
5+ YOE5+ years web application development with deep React/Redux knowledge; bachelor’s degree or equivalent; strong collaboration, communication, mentoring, testing, and AI-assisted workflow practices.
React, Redux
3mo
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Senior Application Security Engineer
Toronto, Ontario, Canada
$123k-$142k/yr HybridFull Time
4+ YOE4-7 years in offensive security; proficient in Python or Go; certifications such as OSWE or GWAPT; experience with web/mobile/cloud security testing; development of security tooling.
Python, Go, Nmap, Burp Suite, OWASP ZAP, Metasploit
1w
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Senior Software Engineer, Ecommerce Web Applications (US/Canada)
Toronto or United States or Canada
$75k-$105k/yr RemoteFull Time
5+ YOE5+ years software development experience with ecommerce or high-traffic web apps; deep PHP (Symfony/Laravel), JavaScript/CSS, relational DB/SQL expertise; experience with AI-assisted development, testing, Git, and CI/CD.
PHP, Symfony, Laravel, JavaScript, jQuery, CSS, Microsoft SQL Server, PostgreSQL, Git, Python, Flask, Docker, Kubernetes, GCP, AWS, Webpack, Laravel Mix, Composer, npm, Blade, Twig, RabbitMQ, AMQP
4d
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Software Developer
Toronto, Ontario, Canada
$90k-$110k/yr HybridFull Time
Experience delivering software across the development lifecycle, strong object-oriented programming and modern web application skills, collaborative problem-solving, and maintainable code practices.
Electronic Medical Records (EMRs), Java, Spring, JavaScript, Vue.js, MongoDB, BrightHire
3w
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Senior Software Developer, Application Support (Remote First)
Toronto, Ontario, Canada
$104k-$145k/yr RemoteFull Time
5+ YOE5+ years building complex web/mobile applications; strong full-stack experience with Node, TypeScript and AWS; experience with incident ownership, debugging production code, and mentoring others.
TypeScript, NestJS, React, Node, AWS
1mo
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Senior Software Developer, Invoicing
Burnaby or Vancouver or Toronto or Calgary or Dublin or Manchester or Sydney or Barcelona or Bogotá or New York City or London
$145k-$196k/yr HybridFull Time
Hands-on senior software development experience building web applications at scale with Ruby on Rails; strong communication, mentorship, Agile experience, and ability to work across distributed teams.
Ruby on Rails
1mo
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Software Engineer
Toronto, Ontario, Canada
$90k-$130k/yr HybridFull Time
3+ YOE3+ years building web applications; strong Python and TypeScript skills; experience with full-stack development, product judgment, and production ownership; legal ability to work in Canada; professional English.
Python, TypeScript, Flask, FastAPI, Celery, React, TanStack, Google Cloud Platform, Kubernetes, PostgreSQL, ClickHouse, Redis, RabbitMQ, Turbopuffer
3w
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Senior Full Stack Developer
Toronto, Ontario, Canada
$120k-$145k/yr HybridFull Time
5+ YOE5+ years building production web applications; strong JavaScript skills; experience with TypeScript, Node.js, Next.js; front-end framework experience (React/Angular); knowledge of web architecture and core web principles.
JavaScript, TypeScript, Node.js, Next.js, React, Angular, Gatsby, Remix.js, Wordpress, AEM, Sitefinity, AWS, Google Cloud, Azure, GraphQL, ElasticSearch, Serverless
1mo
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Experienced Ruby on Rails Developer
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOE3-5 years development experience (Ruby on Rails preferred), experience with large-scale web applications, Git, TDD (Capybara/Poltergeist), Ruby gem development; eCommerce experience and leadership ability a plus.
Ruby on Rails, Python, Django, Git, Capybara, Poltergeist, MongoDB, ElasticSearch, Sidekiq
1mo
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Software Developer
Toronto or Saskatoon
$80k-$120k/yr HybridFull Time
2+ YOE2+ years building web applications; degree or equivalent experience in CS or related field; proficiency with a backend language and relational databases; experience with AI dev tools (Copilot, Claude); strong communication and ownership.
Copilot, Claude, Elixir
4d
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Full Stack Software Engineer (Canada Remote)
Vancouver or Quebec or Ontario or British Columbia or Toronto or Canada
$85k-$110k/yr RemoteFull Time
1+ YOEBachelor's degree and 1+ years developing commercial software, modern web applications, cloud-hosted systems, JavaScript, SQL, and automated functional tests.
AWS, Serverless Framework, Node.js, React, Vue, Angular, JavaScript, SQL, Material-UI, HTTP Live Streaming (HLS), RTSP, WebRTC, MP4
1mo
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Staff Software Engineer, Growth
Toronto, Ontario, Canada
$165k-$235k/yr HybridFull Time
8+ YOE8+ years building scalable web applications with React, Redux, JavaScript/TypeScript, HTML5/CSS and Web APIs; experience leading/mentoring engineers and driving front-end architecture and experiment-driven features.
React, Node.js, GitHub Actions, Terraform, CDN, Redux, JavaScript, Web APIs, HTML5, CSS, TypeScript, Claude Code, Cursor
1mo
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Full stack java developer
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOE3+ years developing web applications with Java (front- and back-end). BS in Computer Science or Engineering (or equivalent). Experience with JSP/JEE, Spring/Spring Boot, HTML/CSS/JavaScript, JSON, jQuery, Angular, Git, and Agile/SCRUM.
Java, JSP, JEE, J2EE, Spring, Spring Boot, HTML, CSS, JavaScript, JSON, jQuery, Angular js, Eclipse, Git, Agile, SCRUM
1mo
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Full Stack Developer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOE5+ years experience building full-stack web applications using Java/Spring Boot, Python frameworks, React/TypeScript, SQL; strong problem-solving and communication skills.
Java, Spring Boot, SQL, Fast API, Flask, Django, JavaScript, TypeScript, ReactJS, Git, Microsoft Azure, OpenAI, LangChain, vector databases
1w
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Senior Software Developer Applications
Toronto, Ontario, Canada
$106k-$125k/yr HybridFull Time
6+ YOE6+ years software development experience, undergraduate degree in STEM, strong web development skills, Guidewire and cloud experience, SQL and application support, and ability to participate in 24-hour on-call rotation.
HTML, JavaScript, CSS, Java, JavaEE, Git, JSON, XML, React, Angular, Spring Boot, Node.js, Guidewire Jutro, Guidewire InSuite Application, Guidewire Integration, SQL, Jira, Confluence, Jenkins, OAuth2, RESTful APIs
3w
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Senior Product Engineer
Toronto, Ontario, Canada
$120k-$140k/yr HybridFull Time
7+ YOE7+ years building production web applications; expertise across frontend and backend, APIs, data modeling, testing, distributed systems; product judgment and mentoring experience.
TypeScript, React, Next.js, Node.js, Python, PostgreSQL
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