Python Developer

Signature IT World Inc; Richardson (TX); On-site; USD 83,000 - 165,000; Full time

Job summary

Signature IT World Inc. is seeking a Python-focused backend developer to design, build, and maintain AI-powered applications. The role involves working with Lang Chain and Lang Graph to create LLM-driven solutions and AI agent workflows.

You will integrate LLMs with enterprise APIs, implement RAG pipelines, and ensure scalable, reliable backends through REST APIs and robust testing. The ideal candidate has strong Python experience, familiarity with Lang Chain/Graph, and hands-on work with AI

Qualifications

• Strong experience in Python development.
• Hands-on experience with Lang Chain.
• Hands-on experience with Lang Graph.
• Experience building LLM-based applications and AI agent workflows.
• Knowledge of REST APIs and backend development.
• Understanding of prompt engineering and LLM integration.
• Experience with Git, debugging, and software development best practices.

Responsibilities

• Design, develop, and maintain Python-based applications and backend services.
• Build LLM-powered applications using Lang Chain and Lang Graph.
• Develop AI agents and multi-agent workflows for task automation and decision-making.
• Integrate Large Language Models (LLMs) with enterprise applications, APIs, and external data sources.
• Implement Retrieval-Augmented Generation (RAG) pipelines and vector database integrations.
• Develop REST APIs and integrate AI solutions into existing systems.
• Optimize application performance, scalability, reliability, and response accuracy.
• Perform unit testing, debugging, and production support.
• Collaborate with cross-functional teams to deliver AI-driven business solutions.

Tools

FastAPI

Flask

Docker

Kubernetes

CI/CD pipelines

Job description

Job Type: Contract

Job Description

Responsibilities

• Design, develop, and maintain Python-based applications and backend services.
• Build LLM-powered applications using Lang Chain and Lang Graph.
• Develop AI agents and multi-agent workflows for task automation and decision-making.
• Integrate Large Language Models (LLMs) with enterprise applications, APIs, and external data sources.
• Implement Retrieval-Augmented Generation (RAG) pipelines and vector database integrations.
• Develop REST APIs and integrate AI solutions into existing systems.
• Optimize application performance, scalability, reliability, and response accuracy.
• Perform unit testing, debugging, and production support.
• Collaborate with cross-functional teams to deliver AI-driven business solutions.

Must-Have Skills

• Strong experience in Python development.
• Hands-on experience with Lang Chain.
• Hands-on experience with Lang Graph.
• Experience building LLM-based applications and AI agent workflows.
• Knowledge of REST APIs and backend development.
• Understanding of prompt engineering and LLM integration.
• Experience with Git, debugging, and software development best practices.

Nice-to-Have Skills

• Experience with RAG architecture and vector databases.
• Knowledge of Open AI, Anthropic, or other LLM providers.
• Experience with FastAPI or Flask.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Docker, Kubernetes, and CI/CD pipelines.

Ideal Candidate

A Python Developer who can build and integrate AI-powered applications using Lang Chain and Lang Graph, with practical experience in LLM integration, AI agents, and workflow orchestration.