Python Developer

Apptoza Inc.; Toronto; On-site; CAD 110,000 - 150,000; Full time

Job summary

Apptoza Inc. is seeking a Python Developer – AI/LLM to build production-grade applications using Python and Node.js/TypeScript. You will create AI agents with LangChain, LlamaIndex, or Claude SDK, work with LLMs and prompt engineering, and develop MCP servers and REST APIs.

The role involves designing and maintaining the Backstage.io developer portal, working with MongoDB and Redis, and deploying pipelines with Git-based CI/CD. Cloud deployment spans AWS, Azure, or OpenShift.

Qualifications

• : 5+ years of Python development experience.
• :

Responsibilities

• Develop and maintain production applications using Python and Node.js/TypeScript.
• Build and integrate AI agents using LangChain, LlamaIndex, or Claude SDK.
• Work with LLMs and prompt engineering to develop AI-powered solutions.
• Develop MCP (Model Context Protocol) servers and REST APIs.
• Design, deploy, and maintain the Backstage.io developer portal.
• Work with MongoDB and Redis in production environments.
• Build and maintain CI/CD pipelines using Git and DevOps tools.
• Deploy and support applications on AWS, Azure, or OpenShift.

Skills

Python development

AI agents

LLMs

Prompt engineering

REST APIs

OpenAPI specifications

Git

CI/CD pipelines

Backstage.io

Tools

LangChain

LlamaIndex

Claude SDK

MongoDB

Redis

Backstage.io

Git

CI/CD pipelines

OpenAPI specifications

Job description

We are looking for a Python Developer – AI/LLM with strong experience building production applications using Python and Node.js/TypeScript. The ideal candidate will have hands-on experience with LLMs, AI agents, cloud platforms, and modern developer tooling.

Key Responsibilities

• Develop and maintain production applications using Python and Node.js/TypeScript.
• Build and integrate AI agents using LangChain, LlamaIndex, or Claude SDK.
• Work with LLMs and prompt engineering to develop AI-powered solutions.
• Develop MCP (Model Context Protocol) servers and REST APIs.
• Design, deploy, and maintain the Backstage.io developer portal.
• Work with MongoDB and Redis in production environments.
• Build and maintain CI/CD pipelines using Git and DevOps tools.
• Deploy and support applications on AWS, Azure, or OpenShift.

Required Skills

• 5+ years of Python development experience.
• 2+ years of experience with cloud platforms.
• 2+ years of experience building or integrating AI agents.
• Strong knowledge of LLMs and Prompt Engineering.
• Experience with LangChain, LlamaIndex, or Claude SDK.
• Experience with MCP server development.
• Hands-on experience with MongoDB and Redis.
• Strong knowledge of REST APIs and OpenAPI specifications.
• Experience with Git and CI/CD pipelines.

Nice to Have

• Infrastructure as Code and DevOps experience.
• Experience working with emerging AI technologies.