AI Engineer - End-to-End AI Product Builder

Pillar; Milano; In loco; EUR 55.000 - 75.000; Tempo pieno

Descrizione del lavoro

Pillar, based in Milan or Barcelona, is seeking an AI Engineer who can turn LLMs into reliable product experiences. You will own AI features end to end, design agentic workflows, and build RAG pipelines to deliver real customer value.

You should have hands-on experience with LLM-based apps, AI orchestration frameworks such as Mastra, LangChain, CrewAI, SQL, and a startup mindset. Join an AI-native, agile team scaling rapidly.

Competenze

• Experience delivering production-grade LLM-based features.
• Proficiency with agents, tool use, and workflow orchestration.
• Strong SQL skills and experience with a relational database stack.

Mansioni

• Own AI features end to end, from product problem to production.
• Design and build agentic workflows using tool orchestration, structured outputs, and multi-step reasoning.
• Build RAG and semantic search pipelines using embeddings, vector databases, hybrid search, and re-ranking.
• Develop document extraction workflows turning invoices, reports, and forms into structured data.
• Build observability and evaluation systems for AI features, including tracing, experimentation, and automated quality checks.
• Optimize context, retrieval, and prompting strategies to improve accuracy and product quality.
• Work across our TypeScript stack when AI features require it, from backend logic to product integration.
• Move quickly from ambiguity to working product, making pragmatic technical decisions.

Conoscenze

LLM-based apps

Agent workflows

SQL

TypeScript

Startup experience

Product mindset

Strumenti

Mastra

LangChain

CrewAI

Embeddings

Vector databases

Descrizione del lavoro

Pillar, based in Milan or Barcelona, is seeking an AI Engineer who can turn LLMs into reliable product experiences. You will own AI features end to end, design agentic workflows, and build RAG pipelines to deliver real customer value.

You should have hands-on experience with LLM-based apps, AI orchestration frameworks such as Mastra, LangChain, CrewAI, SQL, and a startup mindset. Join an AI-native, agile team scaling rapidly.