18 fullstack developer jobs at 18 companies in Newfane, NY
2w
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Fullstack Developer
Toronto, Ontario, Canada
OnsiteFull Time
Experience building enterprise Angular frontend and integrating with backend APIs and AWS; cloud-native development, scalable and secure applications; collaboration and mentoring skills.
Angular, AWS
2mo
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Staff Fullstack Engineer
Toronto or Canada
$175k-$200k/yr HybridFull Time
Expert TypeScript/React/NestJS experience, building and integrating LLM-driven features, product-minded engineering, mentorship experience, and working on multi-tenant systems preferred.
TypeScript, React, NestJS, Claude Code, Cursor, Large Language Models (LLM)
3mo
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Senior Fullstack Developer, Consumer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
4+ YOE4+ years in agile software development; strong React JS experience; backend experience with Node.js/Nest/Nx; GraphQL, SQL, testing, and CI/CD; knowledge of storefronts (Shopify) and AI coding tools.
React, Next.js, Nest.js, Shopify, GraphQL, SQL, Node.js, Python, GoLang, Nuxt.js, Remix, Datadog, Sentry, Honeycomb, New Relic, AB testing, Multivariate testing
4d
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Staff FullStack Engineer, Okta Secures AI
Toronto, Ontario, Canada
$160k-$220k/yr HybridFull Time
Staff-level engineer requiring scalable backend architecture, Java or another type-safe language, JavaScript/TypeScript, AWS, web authentication and authorization, complex API integration, and AI-native development expertise.
Java, JavaScript, TypeScript, AWS, CI/CD, MCP, IPSIE, AI Agent Tool Registry, Agent Gateways, SDKs
2w
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Fullstack developer with Python, .NET & AI experience
Toronto, Ontario, Canada
$110k-$120k/yr HybridFull Time
6+ YOEBachelor's in CS,6+ years software development,proficient in Python,.NET,JavaScript and modern frontend frameworks,experience with Pandas/NumPy,SQL,REST APIs,cloud (Azure/AWS/GCP),Docker,microservices and AI/ML integrations.
Python, .NET, React, Angular, JavaScript, Pandas, NumPy, SQL, Apache Airflow, Docker, Azure, AWS, GCP, Claude, GitHub Copilot, Cursor, OAuth2, REST APIs
2mo
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Senior Fullstack Engineer - Toronto
Toronto, Ontario, Canada
$125k-$165k/yr HybridFull Time
5+ YOEMinimum 5 years of software engineering; end-to-end feature ownership; backend focus with frontend contribution; strong collaboration; mentoring.
Python, Flask, FastAPI, AWS, Angular, SQL
3w
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Senior Developer, Fullstack - Identity and Access Management (IAM)
Ottawa or Toronto or Calgary
$125k-$165k/yr RemoteFull Time
5+ YOE5+ years professional software development; experience with IAM, SSO (SAML, OAuth), RBAC, MFA; Ruby on Rails, React, JavaScript/TypeScript, GraphQL and Apollo; strong security and collaboration skills.
Ruby on Rails, React, JavaScript, TypeScript, GraphQL, Apollo, SAML, OAuth
1mo
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Fullstack Software Engineer (x/f/m) - Care Expert Copilot
France or Belgium or Spain or Toronto
HybridFull Time
5+ YOE5+ years building scalable full-stack systems; backend and frontend experience; experience with React, Python/Flask, PostgreSQL; strong problem-solving and communication.
React, Python, Flask, PostgreSQL
4d
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Senior Fullstack Engineer
Toronto or British Columbia
$160k-$190k/yr RemoteFull Time
6+ YOEComputer Science degree or equivalent practical experience, 6+ years of experience, strong frontend and backend web development, AI-native tooling, TypeScript, React, Ruby, APIs, PostgreSQL, Redis, testing, and mentoring experience.
TypeScript, React, Chakra, React Hook Form, Ruby, Ruby on Rails, GraphQL, Postgres, Redis, Jest, Cypress, RSpec, Minitest, Buildkite, GitHub, Codex, Claude Code, Cursor, Sidekiq, GoodJob
3mo
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Sr Software Engineer- Fullstack
Toronto, Ontario, Canada
RemoteFull Time
5+ YOE5+ years of software engineering experience; strong Python backend and API development; AWS serverless; IaC and observability; React/TypeScript frontend; collaboration with design/product; AI tools in SDLC.
Python, AWS, API Gateway, Lambda, DynamoDB, Terraform, GitHub Copilot, Cursor
3w
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Senior Software Engineer Fullstack
Ottawa or Toronto
OnsiteFull Time
5+ YOE5+ years building production backend and frontend systems; strong Python and JavaScript/TypeScript; SQL/NoSQL and real-time visualization experience; hardware/embedded integration experience; eligibility for Canadian security clearance.
Python, JavaScript, TypeScript, SQL, NoSQL, CI/CD, AI tools
1mo
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Associate Director, Lead Fullstack Developer (React/Node.js)
Toronto, Ontario, Canada
OnsiteFull Time
10+ YOE3+ Mgmt10+ years software engineering experience with MERN/TypeScript, Next.js, NestJS, Docker, Kubernetes; 3+ years people management; experience with cloud, CI/CD, CI tools, design systems, REST/GraphQL.
MongoDB, Express.js, React.js, Node.js, Next.js, NestJS, Docker, Kubernetes, TypeScript, GraphQL, WebSockets, SQL Server, PostgreSQL, AWS, Azure, GCP, Helm, Terraform, Nx, Redis, KeyDB, Solace, Kafka, MUI, Storybook, CI/CD
3d
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Software Engineer I (Application Support - Java Fullstack)
Toronto, Ontario, Canada
$70k-$98k/yr OnsiteFull Time
3+ YOEUndergraduate degree or technical certificate and 3–5 years of relevant experience. Requires Java, Red Hat Linux, Oracle/MS SQL, Azure, HTML5, TypeScript, TIBCO, FTP, Jira, and Confluence.
Java, Red Hat Linux, Oracle, MS SQL, Microsoft Azure, HTML5, TypeScript, TIBCO, FTP, Jira, Confluence, Angular, VB Script, Maven, API, Microservice, ServiceNow, Spring, Spring Boot, Dynatrace, Splunk, Windows
3w
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Java Scala Developer
Toronto, Ontario, Canada
$77k-$120k/yr OnsiteFull Time
5+ YOEFullstack Java enterprise development with Spring Boot, Hibernate/JPA and front-end (Angular/React); 5+ years Scala; SQL/PLSQL and NoSQL experience; API, system design, CI/CD, and strong problem-solving skills.
Java, Scala, Spring Boot, Hibernate/JPA, Angular, React, PL/SQL, SQL, Oracle, MongoDB, AI/ML, LLMs, Elasticsearch, Kafka, GraphQL, OpenShift, Redis, Hazelcast, J2EE, CI/CD
1mo
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Software Engineer, Simulation
Toronto, Ontario, Canada
$150k-$365k/yr HybridFull Time
Experienced fullstack engineer to build a Simulation product integrating AI agents, large-language models, and voice synthesis into scalable systems for detecting and simulating social-engineering attacks.
large-language models, voice synthesis, AI agents, Threat Grid
1mo
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Software Engineer, Adoption
London or San Francisco or Toronto or New York City or Montreal or Paris or Seoul or Germany or United States or Canada or Europe
HybridFull Time
2+ YOE2+ years experience; shipped fullstack production code with Python and React; experience building/deploying RAG/agentic applications; strong coding, security/privacy focus; collaboration with researchers.
Python, TypeScript, React, Postgres, Kubernetes
1mo
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Software Engineer II, Web
Toronto or Ontario or Canada
$139k-$189k/yr HybridFull Time
3+ YOE3+ years FullStack/Web development; mastery of JavaScript, CSS, DOM, HTTP, browser fundamentals; experience with React, Redux, Relay, GraphQL, TypeScript, Jest, React Testing Library; build tools (Webpack, Turbopack, Vite), CI/CD, Node.js, Next.js; proficiency in Python/Java/C++/Go or willingness; Bachelor’s in CS or equivalent.
JavaScript, CSS, DOM, HTTP, React, Redux, Relay, GraphQL, TypeScript, Jest, React Testing Library, Webpack, Turbopack, Vite, CI/CD, Node.js, Next.js, Python, Java, C++, Go
1w
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Product Engineer - Brand - Fullstack, Backend or Frontend
Kitchener-Waterloo or Toronto
$130k-$178k/yr HybridFull Time
2+ YOE2+ years experience, proficient in Java, Kotlin, or JavaScript; familiar with HTML, CSS, TypeScript, React/Next.js; bachelor's degree or equivalent; product-driven engineering and mentoring experience.
Kotlin, Java, Javascript, HTML, CSS, Typescript, React, NextJS, JUnit, Hibernate, Guice, Jersey, HTTP, JSON, Protocol Buffers, MySQL, CockroachDB, AWS
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