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Senior Full Stack Developer – Generative AI & Autonomous Agents - Toronto, Canada - Hybrid (10038)

Extreme Networks · Toronto

Data & AIProductsOn-siteFulltime

Extreme Networks is hiring a Senior Full Stack Developer – Generative AI & Autonomous Agents - Toronto, Canada - Hybrid (10038) in Toronto, Ontario (on-site, full-time). Posted 23 September 2025. Apply directly on Extreme Networks's own careers site — no account needed.

Apply at Extreme Networks
We are seeking an experienced Senior Full Stack Developer with deep expertise in backend systems (Java, Python, microservices) and modern UI frameworks (Angular, React) to join our high-performing agile team.  
This role focuses on building robust, scalable, and user-friendly end-to-end solutions for GenAI applications, combining cutting-edge backend services with intuitive front-end experiences. 

Key Responsibilities

  • Full Stack Development
  • 5+ years
  • Design, implement, and optimize end-to-end solutions for GenAI applications, from backend services to user-facing interfaces.
  • Build modular and reusable UI components in Angular and React, ensuring responsive and accessible interfaces.
  • Develop and optimize backend services and APIs (REST, GraphQL, gRPC) to support real-time AI-driven applications.
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    Backend Egineering
     
  • Architect and maintain distributed microservices (synchronous and asynchronous) using Java, Python, and FastAPI.
  • Integrate ML models into scalable, production-ready systems in collaboration with ML engineers and scientists.
  • Manage workflow orchestration with DAGs and asynchronous task queues.
  • Implement automated testing, CI/CD pipelines, containerization (Docker, Kubernetes), and cloud-native deployments (AWS, Azure, GCP).
  • Ensure security, performance optimization, and fault tolerance in backend systems.
    •  
    Frontend Engineering
  • Collaborate with UX and product teams to create human-in-the-loop AI experiences with Angular and React.
  • Implement robust state management (Redux, NgRx, or equivalent) for real-time, data-intensive applications.
  • Optimize rendering, bundle size, and performance for enterprise-scale UIs.
  • Lead UI testing (Jest, Cypress, Playwright, Jasmine, Karma) to maintain quality and reliability.
    •  
    Collaboration & Leadership
     
  • Work closely with cross-functional teams to deliver cohesive GenAI-powered products.
  • Mentor junior developers, promote coding standards, and drive best practices across front-end and back-end development.
  • Communicate effectively with technical and non-technical stakeholders, ensuring transparency and alignment. 

Qualifications

  • 7+ years of professional experience as a full stack or combined backend/frontend engineer. 
    •  
  • Backend expertise: 
  • Strong skills in Java and Python, with experience in microservices and distributed systems. 
  • Deep knowledge of FastAPI, OpenAPI, gRPC, and asynchronous workflows. 
  • Proficiency with SQL and NoSQL databases, distributed computing (Kafka, Redis, RabbitMQ), and performance optimization. 
    •  
  • Frontend expertise: 
  • Expert-level experience with Angular and React, including TypeScript, JavaScript (ES6+), HTML5, CSS3/SASS. 
  • Strong grasp of state management frameworks (Redux, NgRx, etc.). 
  • Proven ability to build responsive, accessible, and performant enterprise UIs. 
  • Cloud & DevOps: Hands-on with AWS/Azure/GCP, Docker, Kubernetes, and CI/CD pipelines. 
  • Strong understanding of security best practices across the stack. 
  • Excellent collaboration, problem-solving, and communication skills. 
Apply at Extreme Networks

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