Senior React Engineer: AI-Powered Frontend & LLMs

SWITS DIGITAL Private Limited; New York (NY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

SWITS DIGITAL Private Limited is seeking a Frontend React Engineer in NYC, hybrid, for a senior, hands-on role focused on AI-powered web apps. You will implement rich UI features, integrate LLM APIs, and optimize prompts to improve chat experiences.

The position requires 10+ years of experience, strong React.js skills, and a track record in AI-integrated frontend development. Join a cross-functional team delivering scalable AI features.

Qualifications

• Strong experience with React.js, TypeScript, JavaScript, HTML/CSS.
• Experience integrating LLMs (OpenAI, Azure OpenAI, Claude, Gemini, etc.) into web applications.
• Hands-on experience with prompt engineering and prompt optimization.
• Experience consuming REST APIs and handling streaming AI responses.
• Knowledge of state management (Redux/Context/Zustand).
• Understanding of AI chat interfaces, conversational UX, and LLM workflows.
• Familiarity with Git and modern frontend development practices.

Responsibilities

• Develop AI-powered React applications.
• Integrate LLM APIs and build conversational interfaces.
• Optimize prompts and improve AI user experience.
• Collaborate with backend and AI teams to deliver scalable AI features.

Skills

React.js

TypeScript

JavaScript

HTML/CSS

LLM integration

Prompt engineering

REST APIs

Streaming AI

State management

Git

Tools

Next.js

LangChain

LangGraph

RAG

Vector databases

MCP

Job description

SWITS DIGITAL Private Limited is seeking a Frontend React Engineer in NYC, hybrid, for a senior, hands-on role focused on AI-powered web apps. You will implement rich UI features, integrate LLM APIs, and optimize prompts to improve chat experiences.

The position requires 10+ years of experience, strong React.js skills, and a track record in AI-integrated frontend development. Join a cross-functional team delivering scalable AI features.