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SENIOR PYTHON DEVELOPER - W2 ONLY

Xcelo Group IncSan Jose, CA🇺🇸United StatesPosted 21 Jul 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to build robust, high-performance APIs and integrate cutting-edge AI agent logic, allowing you to shape the core of a scaling platform. You'll thrive here if you have expert Python skills, deep experience with frameworks like FastAPI and Django, and a passion for complex architectural challenges. Apply now to leverage your technical expertise and contribute to innovative backend development at the intersection of AI!

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

SENIOR PYTHON DEVELOPER - W2 ONLY

Location :San Jose, CA





Language: Expert-level proficiency in Python (3.10+ preferred).

Frameworks: Deep experience with FastAPI, Django

AI Tooling: Familiarity with LangChain, LlamaIndex, or similar frameworks for agentic workflows.

Databases: Strong knowledge of SQL (PostgreSQL) and NoSQL (Redis, MongoDB), plus experience with Vector Databases (Pinecone, Weaviate).

Infrastructure: Proficiency with Docker, AWS/Google Cloud Platform, and asynchronous task queues







Job Description: Python Developer



Role Overview:

We are looking for a Python Developer to build the backbone of our platform. You will be responsible for creating high-performance APIs, integrating advanced AI agent logic, and ensuring our infrastructure remains rock-solid as we scale. If you enjoy solving complex architectural puzzles and want to work at the intersection of traditional backend engineering and AI

Core Responsibilities

Scalable API Development: Design, build, and maintain robust, high-throughput APIs (FastAPI, Django, or Flask) capable of handling millions of requests.

Agent Logic Integration: Architect the backend systems that power our AI agents, managing long-running tasks, state persistence, and seamless communication between LLMs and our core services.

Authentication & Security: Implement and manage secure identity protocols (OAuth2, JWT, OpenID Connect) to protect user data and internal endpoints.

Routing & Orchestration: Design efficient request routing and service communication patterns using tools like API Gateways, or Service Meshes.

Required Technical Skills

Language: Expert-level proficiency in Python (3.10+ preferred).

Frameworks: Deep experience with FastAPI, Django

AI Tooling: Familiarity with LangChain, Llama Index, or similar frameworks for agentic workflows.

Databases: Strong knowledge of SQL (PostgreSQL) and NoSQL (Redis, MongoDB), plus experience with Vector Databases (Pinecone, Weaviate).

Infrastructure: Proficiency with Docker, AWS/Google Cloud Platform, and asynchronous task queues

Skills

Django
Docker
FastAPI
Flask
MongoDB
SQL
AWS
Google Cloud
JWT
PostgreSQL
Python
Redis

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