Haystack
← Back to Jobs
Technology

Senior Full Stack AI Developer

SolGenie Technologies, INCSan Jose, CA🇺🇸United StatesPosted 10 Jul 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

We have a contract opportunity for Senior Full Stack AI Developer (Onsite) with one of our clients. Detailed job descriptions is provided below.

Title: Senior Full Stack AI Developer (React/Next.js + Python + LLM)
Location: Santa Clara, CA (Onsite)
Duration: 9+ Months

Employment Type: W2 or Independent Contractor (No C2C through third-party vendors)

Visa Eligibility: Must-Have Skills:

  • 7+ years of Full Stack Development experience.
  • Strong hands-on experience with React, Next.js, and TypeScript (Mandatory).
  • Experience building production-grade Full Stack applications.
  • Strong backend development experience with Node.js and/or Python (FastAPI preferred).
  • Experience designing and consuming REST APIs and/or GraphQL.
  • Hands-on experience integrating LLM APIs (OpenAI, Claude, Gemini, NVIDIA NIM, etc.).
  • Experience with streaming AI responses using Server-Sent Events (SSE) or WebSockets.
  • Experience implementing AI chat interfaces or conversational applications.
  • Strong understanding of multi-tenant SaaS architecture, Row-Level Security (RLS), and application scalability.
  • Experience building multi-step AI workflows, conversation state management, and tool/function calling.
  • Experience rendering structured JSON outputs in frontend applications.
  • Strong knowledge of responsive UI development, accessibility, and performance optimization.

Technical Skills:

  • Frontend: React, Next.js, TypeScript, Vercel AI SDK
  • Backend: Node.js, Python, FastAPI, REST APIs, GraphQL, SSE
  • AI/ML: LLM Integration, RAG, Nemotron, Structured JSON Generation
  • Cloud: AWS / Azure / Google Cloud Platform
  • Databases: PostgreSQL, pgvector, Redis
  • DevOps: Docker, GitHub Actions

Nice to Have:

  • LlamaIndex
  • LangChain
  • Model Context Protocol (MCP)
  • Vercel AI SDK

 

Skills

Docker
FastAPI
Next.js
Node.js
AWS
Azure
GitHub Actions
Google Cloud
GraphQL
LLM
PostgreSQL
Python
REST
React
Redis
TypeScript
Vercel

Similar jobs