Full Stack Engineer - Node.js/React.js
First seen by Alion on Oct 23, 2026.
About the Role :
We are looking for an experienced Full Stack Engineer with strong expertise in Node.js, React.js, and Generative AI to build scalable, production-grade AI-powered applications. The role involves developing intelligent assistants, conversational platforms, and enterprise AI solutions using LLMs, RAG, agentic AI frameworks, and Model Context Protocol (MCP), with a focus on customer service use cases across chat and email channels.
Key Responsibilities :
- Design, develop, and maintain scalable full-stack applications using Node.js, React.js, JavaScript/TypeScript, HTML, and CSS.
- Build and integrate RESTful APIs and microservices to support enterprise applications.
- Develop AI-powered applications, including intelligent assistants, chatbots, knowledge search platforms, and workflow automation solutions.
- Integrate LLMs and implement RAG pipelines using vector databases and enterprise knowledge sources.
- Develop agentic AI workflows and implement MCP integrations for connecting AI models with tools, APIs, and enterprise systems.
- Build solutions for customer service operations across chat and email channels, preferably in eCommerce or retail environments.
- Collaborate with Product, Architecture, and Data teams to define use cases and deliver reliable AI solutions.
- Optimise application performance, scalability, security, and reliability.
- Contribute to code reviews, automated testing, CI/CD, production deployments, and continuous improvement.
Requirements :
- 8 - 12 years of software development experience, including substantial hands-on full-stack development.
- Strong proficiency in Node.js and React.js, with experience in JavaScript/TypeScript and modern web development practices.
- Experience designing and developing REST APIs, microservices, and scalable application architectures.
- Proven experience building and deploying LLM-powered applications in production.
- Hands-on experience with RAG, agentic AI frameworks, and MCP-based integrations or tool orchestration.
- Strong understanding of software design principles, application security, testing, and performance optimisation.
- At least 1 year of experience with Core Java and Spring Boot, along with practical exposure to microservices.
- Strong debugging, analytical, communication, and collaboration skills.
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Skills
Full Stack, Node.js, React.js, Generative AI, Java, Spring Boot, Microservices Architecture, Javascript, TypeScript, RESTful API, LLM