Full Time

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

Extreme Networks Toronto, Ontario, Canada
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Job description

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.
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    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.
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    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. 
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  • 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. 
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  • 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.