(Senior) Software Engineer – LLM & AI Platform (m/w/d)
Core
Building the LLM platform layer for a SaaS pricing and market intelligence platform serving the plastics and petrochemical industries.
Role type
Senior LLM Application Engineer (IC)
Builds
Internal tools and customer-facing AI features including conversational analysts, semantic search, and intelligent alert feeds.
Domain
B2B SaaS, Pricing Intelligence, Plastics & Petrochemicals
Deliverable
production ML models | product features
Required skills
RAG pipelines, Vector DBs, LLM orchestration (LangChain/LlamaIndex), Prompt/Context engineering, Agent architectures, MCP (Model Context Protocol), Backend (Node/Python), Frontend (React/TypeScript), Data pipelines
Preferred skills
Experience with Foundation Models, API design, Async programming
Technologies
OpenAI, Anthropic, Mistral, LangChain, LlamaIndex, React, TypeScript, Node.js, Python
Responsibilities
Designing retrieval backends and embedding pipelines, Integrating LLM APIs into systems, Developing AI features and agent architectures, Building prototypes and PoCs for new use cases
Seniority
Senior, hands-on IC