Requirements: English
Company: NEITEC
Region: Madrid , Community of Madrid
What youll do
Design and maintain cloud-native AI services on AWS that connect language models with our agents tools, ensuring performance, scalability and reliability.
Orchestrate agent + RAG workflows with LangChainand/or related frameworks such as LangGraph or CrewAIwhile enforcing traceability, guardrails and quality metrics.
Expose REST APIs and an internal SDK in Node/TypeScript; partner with the Front-end team to deliver a smooth conversational UX.
Measure and optimise latency, cost and quality using CloudWatch, OpenTelemetry and automated tests.
Safeguard sensitive data and stay GDPR-compliant
Influence product decisions, review PRs and mentor colleagues when needed.
Must-have requirements
Solid experience in PythonorTypeScript/Node (testing, CI/CD, best practices).
Production projects that rely on LLM APIs or advanced chatbots.
Hands-on use of agent/RAG orchestration frameworks (LangChain, LangGraph, CrewAI, Autogen).
Working knowledge of vector stores (e.g. pgvector, Pinecone, OpenSearch, Weaviate).
Professional English and a product mindset focused on launching, measuring and iterating.
Nice to have
Fine-tuning or RLHF/DPO on open-source models.
Advanced observability skills and cost optimisation.
Open-source contributions or conference talks on LLMs/agents.
Experience leading or mentoring small engineering teams.
Nest.js, typeORM, next.js SQL
Proficiency with AWS
What we offer
Permanent contract remote-first (Madrid office available if you prefer).
Competitive salary plus stock-option plan.
Flexible working hours.
Annual budget for training, conferences and hardware.
A culture of continuous deployment, real ownership and a clear roadmap.
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