Applied AI / LLM Engineer (Python)

Location: Remote, anywhere except Russia and Belarus

Company

Mad Devs delivers software projects across Europe, the USA, and South East Asia, including AI solutions for the legal industry.

What you will do

• Design and build LLM pipelines, AI agents, and RAG-based systems.
• Implement function and tool calling, structured JSON-schema outputs, and production-grade Python services.
• Develop backend services with Django, Celery, and Redis.
• Validate product hypotheses using real-world data and analytics.
• Measure and optimize LLM quality, performance, and cost.
• Collaborate with product managers and engineers to deliver scalable AI-powered products.

Requirements

• Strong experience building production LLM applications.
• Hands-on expertise with RAG, embeddings, vector search, prompt engineering, and LLM evaluation.
• Experience with LangGraph, LangChain, or similar frameworks.
• Solid Python backend experience with Django, PostgreSQL, and asynchronous programming.
• Strong SQL and Pandas skills with a data-driven mindset.
• English at B2–C1 level and Russian at C1 level; location must be anywhere except Russia and Belarus.

Nice to have

• Experience with vector databases such as Qdrant or pgvector.
• Experience with fine-tuning, text classification, or embedding models.
• Experience with Kubernetes, gRPC, or Go.

Culture & Benefits

• Remote-first culture with flexible working hours.
• Long-term projects and salary paid in dollars.
• Professional communities and a training budget.
• Paid conferences and onsite business trips.