Senior AI / LLM Agent Engineer
Causa PrimaB2B Payments, company
Madrid, SpainSenior
Creandum
Kfund
HelloWorld
Angel Invest
Data & AI
About the role
TL;DR
Design and build autonomous agents for financial document processing and negotiation.
- •You'll be core to our product
- •designing, building, and operating the autonomous agents that power Causa Prima.
- •From invoice validation and dispute resolution to cross-company negotiation and cash optimization.
- •Key Responsibilities Agent architecture
- •Design the multi-agent system: agent boundaries, event contracts, orchestration patterns, and the separation between LLM reasoning and deterministic enforcement.
- •LLMs inform; rules enforce.
- •Document processing pipeline
- •Ingestion, classification, and structured extraction from financial documents (invoices, contracts, purchase orders) using LLM-based parsing and vision models.
- •Sandboxed processing for untrusted documents.
- •Validation & anomaly detection
- •Business rule checks, three-way matching, pricing discrepancy detection, and anomaly detection across time.
- •Requirements 3+ years experience with Python and/or TypeScript in production.
- •Strong systems design thinking
- •agent boundaries, failure modes, trust boundaries, contract evolution.
- •Strong interest and hands-on experience in LLM-powered systems, agent orchestration frameworks (LangGraph, LangChain, or similar), and document AI (LlamaIndex, LlamaParse, or similar).
Required skills
PythonTypeScriptLLMsNeo4jLangChainPandasNumPyComputer VisionNLPProduct Analytics
Nice-to-have skills
TableauPower BILookerSnowflakeDatabricksFivetranDagsterPrefectApache KafkaApache Flink
Domain expertise
fintech
Tech stack
PythonTypeScriptLLMsNeo4jLangChainPandasNumPyAirflowdbtTableauPower BILookerSnowflakeDatabricksFivetranDagsterPrefectApache KafkaApache FlinkTensorFlowPyTorchscikit-learnKerasOpenAI APIAnthropic APIGemini APIHugging FaceComputer VisionNLPMLflow