Senior Full-Stack Developer (React/Python) - Backend-Oriented

We're an IT outstaffing agency, and we're urgently looking for a Senior Full-Stack Developer to join a project for our client in the USA. This is a backend-leaning full-stack role - you'll be building AI-powered features end-to-end, from data pipelines to polished UI.

About the role: You'll work on a product that leverages AI APIs, vector search, and RAG, building both the backend infrastructure and the frontend that surfaces it. We need someone who can own a feature end-to-end and move fast.

Requirements:

Proven experience delivering full-stack, end-to-end projects
Hands-on experience with AI APIs, vector search, and RAG
Frontend: React, TypeScript, JavaScript
Backend: Python
Databases: PostgreSQL (must), SQL, NoSQL
Strong understanding of API integrations and backend design patterns (e.g., email providers)
Experience with data visualization frameworks (Shadcn, D3.js, Treemaps)
API integrations (Sendmail, Mailgun, or similar)
AWS - deployment and cloud infrastructure management

What we offer:

Direct work with our client in the USA
Compensation for professional courses and training
Compensation for AI tools you use in your work
Salary - to be discussed at the interview

Please send your CV / portfolio along with a short video intro (2-3 min, tell us about yourself and your experience), we're moving fast on this one