(N) Senior Fullstack Engineer (React/Python)

Believe Solutions; United States; Remote; USD 100,000 - 150,000; Full time

Job summary

A leading technology company is seeking a Senior Fullstack Python Engineer to work on innovative AI-powered applications. In this role, you will develop dynamic interfaces and backend services, leveraging cutting-edge technologies like LangChain and vector databases. The ideal candidate will have extensive experience in full-stack development and a strong background in AI, with excellent communication skills in English to collaborate with US clients.

Qualifications

• 5+ years of experience as a Fullstack developer.
• 2+ years in AI-focused development.
• Advanced English level required.

Responsibilities

• Build modern React interfaces for AI-powered applications.
• Develop Python services using LangChain and LangGraph.
• Collaborate with product and data teams on architecture decisions.

Skills

React

TypeScript

Python

API Integration

Communication

Education

Bachelor's Degree in Computer Science, Engineering, or related field

Tools

LangChain

LangGraph

Job description

About the project

As a Senior Fullstack Python Engineer, you will work on dynamic, data-rich interfaces and backend services integrating LLMs, vector databases, and retrieval-augmented generation (RAG). This role blends cutting-edge AI with practical full-stack development and is ideal for someone eager to push the boundaries of intelligent systems.

How your day-to-day work will look like

Build modern React interfaces for AI-powered applications.
Develop Python services using LangChain and LangGraph.
Integrate with vector databases, APIs, and LLM agents.
Collaborate with product and data teams on architecture decisions.

This would make you the ideal candidate
Bachelor's Degree in Computer Science, Engineering, or a related field.
5+ Years of experience working as a Fullstack developer.
2+ Years of experience working in AI-focused development.
Strong proficiency in React, TypeScript, and Python.
Hands-on experience with LLM frameworks (LangChain, LangGraph, or similar).
Understanding of embeddings, vector indexes, and RAG techniques.
API Integration experience.
Advanced English Level is required for this role as you will work with US clients. Effective communication in English is essential to deliver the best solutions to our clients and expand your horizons.