Full-Stack AI SaaS Developer Claude, React, Next.js and Node.js
Budget: $200.0
FIXED /
⭐ 5.00 (182)
United States
react-js, node.js
Gewenste kwalificaties
- Ervaring: Gevorderd
We’re looking for an experienced Full-Stack AI SaaS Developer to build and maintain modern SaaS applications powered by Anthropic Claude and other LLM technologies.
The ideal developer should be comfortable working across the entire stack—from React/Next.js frontend development and Node.js/Python backend development to PostgreSQL, APIs, AI integrations, and cloud deployment.
This role is focused heavily on building production-ready AI applications, not simple chatbot prototypes.
What You'll Do
Build and maintain scalable AI-powered SaaS applications
Integrate Anthropic Claude API into production applications
Design AI workflows using Claude for reasoning, content generation, extraction, and automation
Build AI agents and agentic workflows
Develop RAG pipelines and knowledge-base systems
Implement prompt and context engineering
Work with structured outputs and tool/function calling
Build responsive interfaces using React, Next.js, and TypeScript
Develop backend services using Node.js and/or Python
Build REST APIs and third-party integrations
Design and optimize PostgreSQL databases
Implement authentication, authorization, roles, and permissions
Build SaaS dashboards and admin panels
Implement subscriptions and billing where required
Deploy applications using AWS, Docker, CI/CD, or similar infrastructure
Monitor, debug, and optimize production AI systems
Optimize Claude usage for accuracy, latency, reliability, and cost
Write tests and maintain clean, scalable code
Document AI workflows and technical architecture
AI / Claude Experience Required
Strong experience with:
Anthropic Claude API
Claude Sonnet / Opus / Haiku
LLM application development
Prompt engineering
Context engineering
AI agents
Agentic workflows
RAG
Embeddings
Vector databases
Tool/function calling
Structured outputs
AI evaluation
Hallucination prevention
Human-in-the-loop workflows
LLM API integrations
AI automation
Experience with LangChain, LangGraph, LlamaIndex, Vercel AI SDK, or similar frameworks is a plus.
Full-Stack Requirements
React.js
Next.js
TypeScript
JavaScript
Node.js
Python
PostgreSQL
REST APIs
Git/GitHub
Docker
AWS/Azure/GCP
CI/CD
Authentication & authorization
Ideal Candidate
We're looking for someone who can think beyond simply connecting Claude to an application.You should also be comfortable taking ownership of features from architecture → development → testing → deployment → monitoring.
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