Lead Fullstack Engineer

We are seeking a Lead Fullstack Engineer to lead development of scalable, AI-enabled full stack solutions. This role is critical for designing and delivering microservices-based backends, modern frontends, and multi-agent AI systems that drive autonomous workflows and enterprise copilots. You will work across C# /.NET and Python stacks, implement Azure cloud solutions, and guide cross-functional teams to build production-grade systems using containerization, event-driven architectures, and retrieval-augmented AI pipelines. This is an opportunity to shape architecture, mentor engineers, and deliver high-impact AI/ML products. Responsibilities * Design and implement backend services using ASP.NET Core, Entity Framework, SignalR, and Minimal APIs. * Develop Python services and AI components with FastAPI, Django, Flask, Pandas, NumPy, and Scikit-learn. * Build and maintain microservices packaged with Docker and orchestrated via event-driven patterns using Azure Service Bus or RabbitMQ. * Design and implement multi-agent AI systems using LangChain, AutoGen, and CrewAI frameworks. * Build RAG pipelines with vector databases such as Pinecone or Weaviate and optimize prompt engineering and LLM fine-tuning. * Implement agent orchestration and inter-agent communication protocols for autonomous task execution. * Design and deploy enterprise AI copilots using Microsoft Copilot Foundry and integrate with Azure OpenAI Service. * Implement serverless and workflow solutions with Azure Functions and Azure Logic Apps. * Build CI/CD pipelines and infrastructure as code using Azure DevOps, ARM/Bicep, or Terraform. * Collaborate with data scientists, product managers, and stakeholders to translate business requirements into technical solutions. * Mentor junior developers, document architecture decisions, and promote scalable, maintainable designs. Requirements * Proven experience as a technical lead or senior full stack engineer; typically 5+ years in software development and leadership. * Strong expertise in C# /.NET: ASP.NET Core, Entity Framework, SignalR, and Minimal APIs. * Strong experience in Python with FastAPI, Django, Flask, Pandas, NumPy, and Scikit-learn. * Experience designing microservices and containerizing applications with Docker. * Experience with event-driven architectures and message queues such as Azure Service Bus or RabbitMQ. * Hands-on experience building RAG pipelines and working with vector databases (Pinecone, Weaviate). * Practical experience with LLM integration and Azure OpenAI Service. * Experience with Azure services: Azure Functions, Azure Logic Apps, Azure Cognitive Services, and Azure DevOps. * Experience with CI/CD automation, YAML pipelines, and Infrastructure as Code using ARM/Bicep or Terraform. * Strong problem-solving, documentation, and communication skills; ability to translate complex AI concepts to business stakeholders. * Proven ability to mentor developers and work effectively in cross-functional teams. * Commitment to code quality, testing, and iterative MVP-driven delivery. Nice to have * Experience designing enterprise-grade copilots with Microsoft Copilot Foundry. * Familiarity with agent orchestration frameworks and inter-agent coordination patterns. * Experience with Azure Data Factory for ETL/ELT pipelines. * Experience managing observability with Application Insights.