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SENIOR PYTHON DEVELOPER - W2 ONLY

Xcelo Group Inc
San Jose, CA Remote Contractor | Full Time | Part Time
POSTED ON 7/21/2026 CLOSED ON 7/26/2026

What are the responsibilities and job description for the SENIOR PYTHON DEVELOPER - W2 ONLY position at Xcelo Group Inc?

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

Salary.com Estimation for SENIOR PYTHON DEVELOPER - W2 ONLY in San Jose, CA
$122,977 to $155,795
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