Senior Full Stack Engineer (GenAI | Node.js | React)
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Key skills for this role
About the Role
D4 Insight seeks a Senior Full Stack Engineer with expertise in Generative AI, Node.js, and React to design and maintain enterprise-scale applications. The role requires 8+ years of experience, deep knowledge of AI integration, microservices, and cloud platforms.
Key Skills for This Role
Responsibilities
- Design and develop scalable, high performance enterprise applications using React, Node.js, and GenAI technologies
- Define technical standards, architecture patterns, and development best practices
- Lead system design discussions and contribute to long term technology strategy
- Design and implement AI powered applications using LLMs such as OpenAI, Claude, Gemini, and Azure OpenAI
- Build intelligent assistants, chatbots, content generation tools, document processing solutions, and workflow automation platforms
- Develop Retrieval Augmented Generation (RAG) architectures and AI orchestration frameworks
- Implement prompt engineering, vector search, and AI optimization strategies
- Build responsive and reusable UI components using React 18+, Hooks, Context API, and modern frontend frameworks
- Design and develop secure RESTful and GraphQL APIs using Node.js, Express.js, or Fastify
- Build scalable microservices based architectures
- Design and manage relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, and Redis
- Implement vector databases such as Pinecone, Weaviate, ChromaDB, or Azure AI Search
Requirements
- 8+ years of software engineering experience
- Strong expertise in Node.js, React, and TypeScript
- Hands on experience with Generative AI and LLM integration
- Experience with microservices architecture and cloud platforms (AWS, Azure, GCP)
- Strong communication and stakeholder management skills
Full Job Posting
Role Overview
- We are seeking experienced Senior Full Stack Engineer with strong expertise in Generative AI, Node.js, and React to design, develop, and maintain enterprise scale applications that leverage modern AI capabilities and cloud native architectures.
- The ideal candidate will have deep experience across frontend and backend development, AI powered application engineering, microservices, cloud platforms, and technical leadership within Agile environments.
Key Responsibilities
- Design and develop scalable, high performance enterprise applications using React, Node.js, and GenAI technologies.
- Define technical standards, architecture patterns, and development best practices.
- Lead system design discussions and contribute to long term technology strategy.
- Drive application scalability, maintainability, security, and performance improvements.
- Design and implement AI powered applications using LLMs such as OpenAI, Claude, Gemini, and Azure OpenAI.
- Build intelligent assistants, chatbots, content generation tools, document processing solutions, and workflow automation platforms.
- Develop Retrieval Augmented Generation (RAG) architectures and AI orchestration frameworks.
- Implement prompt engineering, vector search, and AI optimization strategies.
- Monitor AI performance, cost, governance, security, and scalability.
- Build responsive and reusable UI components using React 18+, Hooks, Context API, and modern frontend frameworks.
- Implement state management using Redux, Zustand, or equivalent technologies.
- Design and develop secure RESTful and GraphQL APIs using Node.js, Express.js, or Fastify.
Required Skills
- Node.js, React.js, JavaScript / TypeScript, REST APIs & GraphQL, Microservices Architecture
- OpenAI, Azure OpenAI, Claude, Gemini, LangChain, LlamaIndex, RAG Architectures, Prompt Engineering
- PostgreSQL, MySQL, MongoDB, Redis, Pinecone, Weaviate, ChromaDB
- Docker, Kubernetes, Jenkins, GitHub Actions, AWS, Azure, GCP
- Jest, React Testing Library, Unit Testing, Integration Testing, End to End Testing
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