Mid-Level Python Developer - Remote

Overview

Lean Tech is seeking a highly skilled and experienced Python developer to join our backend engineering team and provide leadership in designing and implementing scalable, high-performance Python-based services and architectures.

In Short

• Contribute to the development and maintenance of middleware integrations for AI model providers (OpenAI, Anthropic, Mistral, etc.) and agentic frameworks (LangChain, LiteLLM, Griptape, etc.) using Python.
• Develop and support Python SDKs that enable developers to easily integrate with Revenium’s platform for AI cost tracking and optimization.
• Improve API design, documentation, and SDK usability for a smooth developer experience.
• Optimize middleware performance to minimize latency impact on AI workloads.
• Write comprehensive unit and integration tests; maintain CI/CD pipelines.
• Support developers using the middleware through Discord, GitHub, and other channels.

Requirements

• +4 years of professional development experience in Python.
• Bachelor’s degree in Computer Science or a related field, or equivalent experience.
• Experience with Python packaging and distribution.
• Familiarity with asynchronous programming in Python (asyncio).
• Experience working with LLM APIs such as OpenAI, Anthropic, Hugging Face, etc.
• Proficiency in the use of Claude Code.
• Understanding of AI concepts, token usage patterns, and inference optimization.
• Strong understanding of testing methodologies for Python.

Benefits

• Join a powerful tech workforce and help us change the world through technology.
• Professional development opportunities with international customers.
• Collaborative work environment.
• Career paths and mentorship programs that will lead to new levels.