Fullstack AI Developer

Infyshine; Pune District, Gurugram District, Bengaluru; On-site; INR 1,500,000 - 3,000,000; Full time

Job summary

Infyshine is seeking a strong full-stack engineer to build AI-enabled web applications end to end. You will work across frontend (JavaScript/TypeScript, React, Next.js) and backend (Python/Node.js) stacks, and integrate AI models into real business workflows.

You will implement features such as chat interfaces, document analysis, semantic search, and RAG pipelines. Expect secure APIs, vector databases, and scalable cloud deployments.

Qualifications

• Strong full-stack engineer capable of building AI-enabled web apps end to end.
• Frontend stack: JavaScript/TypeScript, React, Next.js, HTML, CSS.
• Backend stack: Python, FastAPI/Flask, Node.js/Express.
• AI integration with OpenAI/Azure OpenAI, LangChain/LlamaIndex.
• Data stores: PostgreSQL, MongoDB, Redis; handling structured and unstructured data.
• Cloud/DevOps: Azure or AWS, Docker, CI/CD pipelines.

Responsibilities

• Build modern web applications with clean, responsive interfaces.
• Develop backend services and APIs in Python and/or Node.js.
• Integrate AI models into business workflows, not just demos.
• Implement features: chat interfaces, document upload/analysis, semantic search, and RAG pipelines.
• Develop AI agents and tool-calling flows; enable data extraction and summarisation.
• Design secure API layers between frontend, backend, AI services and databases.
• Work with vector databases and embedding models to support contextual AI responses.
• Handle file processing for PDFs, Word, spreadsheets, images, and datasets.
• Create reusable components and services; support deployment, monitoring, and performance tuning.

Skills

Full-stack engineering

Frontend development

Backend development

AI integration

Data handling

Cloud & DevOps

CI/CD

Vector databases

Embedding models

Tools

PostgreSQL

MongoDB

Redis

Docker

Next.js

OpenAI

Azure OpenAI

LangChain

LlamaIndex

Job description

• Strong full-stack engineer who can build AI-enabled web applications end to end from frontend experience through backend APIs, data flows, model integration, deployment and support.
• Comfortable working across:
• Frontend:JavaScript / TypeScript, React, Next.js, HTML, CSS
• Backend:Python, FastAPI / Flask, Node.js / Express
• AI integration:OpenAI / Azure OpenAI, LangChain / LlamaIndex, vector search, embeddings, RAG pipelines
• Data:PostgreSQL, MongoDB, Redis, object storage, APIs, structured and unstructured data
• Cloud & DevOps:Azure / AWS, Docker, CI/CD, GitHub Actions / Azure DevOps
• Build modern web applications with clean, responsive, usable interfaces.
• Develop backend services and APIs in Python and/or Node.js.
• Integrate AI models into real business workflows, not just demos.
• Build features such as:
• Chat interfaces
• Document upload and analysis
• Semantic search
• Retrieval Augmented Generation — RAG
• Workflow automation
• AI agents / tool-calling flows
• Data extraction and summarisation
• Design and implement secure API layers between frontend, backend, AI services and databases.
• Work with vector databases and embedding models to support knowledge search and contextual AI responses.
• Handle file processing for PDFs, Word documents, spreadsheets, images and structured datasets.
• Create reusable components, services and utilities that other teams can build on.
• Support deployment, monitoring, troubleshooting and performance tuning.