48 web application engineer jobs at 35 companies in Newfane, NY
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
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
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
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
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
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
2w
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Staff Software Engineer, Stripe Dashboard
Toronto or United States or South San Francisco
$271k-$407k/yr HybridFull Time
10+ YOE10+ years building large-scale user-facing web applications, leading cross-functional engineering projects, deep frontend/full-stack expertise, performance engineering, and strong communication.
React
2w
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Senior Software Developer, Fintech
Toronto, Ontario, Canada
$145k-$196k/yr HybridFull Time
Hands-on experience building web applications at scale (Ruby on Rails preferred), mentoring engineers, working in Agile and distributed teams, strong communication and problem-solving skills.
Ruby on Rails, Ruby, Java, Python, C++, JavaScript
1mo
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Senior Security Consultant (Web Application Penetration Tester)
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOEBachelor's in IT/CS/Engineering/Math (or equiv), 3+ years penetration testing, familiarity with Kali/Burp/Metasploit/Nessus, OWASP and MITRE knowledge, OS internals, strong communication and mentoring skills, willing to travel 5-10%.
Kali Linux, Burp Suite, Metasploit, Nessus, OWASP Top 10, MITRE ATT&CK, Windows, Linux, macOS, Ruby, Python, Perl, C, C++, Java, C#
1mo
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Senior Security Consultant (Web Application Penetration Tester)
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOEBachelor's (or equivalent) in IT/CS/Engineering/Math, 3+ years penetration testing experience, familiarity with Kali Linux, Burp Suite, Metasploit, Nessus, OWASP Top 10 and MITRE ATT&CK, Windows/Linux/macOS internals, mentoring and QA oversight, willingness to travel 5-10%.
Kali Linux, Burp Suite, Metasploit, Nessus, MITRE ATT&CK, OWASP Top 10, Windows, Linux, macOS, Ruby, Python, Perl, C, C++, Java, C#
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 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
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
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
2w
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QA Engineer
Toronto, Ontario, Canada
$89k-$125k/yr HybridFull Time
5+ YOE5+ years QA experience testing complex web applications; university degree in CS/IT/Business or related; proficiency with test automation, API and database (SQL/Oracle) testing; strong communication and Agile/CI-CD experience.
Playwright, TypeScript, C#, Cypress, Selenium, SpecFlow, Reqnroll, NUnit, xUnit, Postman, Swagger, RestSharp, SQL, Oracle DB, JavaScript
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
1w
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Senior Software Engineer
Toronto, Ontario, Canada
$108k-$135k/yr HybridFull Time
6+ YOE6+ years building or supporting SaaS web applications; strong Python (FastAPI) and TypeScript/React experience; AWS container experience; observability and debugging skills; customer-focused with clear communication.
Python, FastAPI, TypeScript, React, Datadog, Sentry, CloudWatch, AWS, ECS, EKS, Docker, Terraform, CloudFormation
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