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

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.   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.