LLM Engineer
New
M
MonterailSoftware Engineering
Wrocław, Lower Silesian Voivodeship, Poland. Kraków, Lesser Poland Voivodeship, Poland. Warsaw, Masovian Voivodeship, Poland. Gdańsk, Pomeranian Voivodeship, Poland. Poznań, Greater Poland Voivodeship, PolandContract
Salary not disclosed
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Job Details
- Languages
- English B2/C1
- Required Skills
- Node.jsPythonRuby
Requirements
- Strong software engineering background (Python, Node.js, or Ruby)
- Hands-on experience integrating LLM APIs (OpenAI, Anthropic, etc.) into production
- Ability to design pragmatic AI solutions within existing architectures
- Experience building RAG pipelines, embeddings, and vector search
- Understanding of cost, latency, and reliability constraints of AI systems
- Ability to work independently with clients and set realistic expectations
- English language proficiency (B2/C1)
- Availability for part-time or full-time engagement
Responsibilities
- Add AI functionality into existing Python, Node.js, and Ruby codebases
- Build LLM-powered features: chat, summaries, classification, smart search, document Q&A
- Design lightweight RAG pipelines using embeddings and vector search
- Work with vector DBs (pgvector, Pinecone, Qdrant)
- Implement safe, reliable LLM endpoints (OpenAI, Anthropic, Azure)
- Work directly with clients to shape AI features and reduce manual effort
- Advise clients on trade-offs around latency, accuracy, and cost
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