? Are you passionate about building AI solutions and distributed systems?

We’re looking for an AI Agent & Full-Stack Engineer to design and build AI agents, RAG solutions, and cloud-native services. You’ll work across the development lifecycle—from agent orchestration and model integrations to backend services, user interfaces, and cloud deployment.

What you’ll do

• Design and build AI agents, agent loops, tools, and orchestration workflows.
• Develop RAG solutions using effective chunking strategies, metadata filtering, and controlled vocabularies.
• Implement prompt engineering, versioning, evaluation, and model reasoning frameworks.
• Build APIs and integrations following OpenAPI standards.
• Design event-driven backend services using Java, Spring Boot, Kafka, and MongoDB.
• Develop operational dashboards and user interfaces with React and TypeScript.
• Build and deploy cloud-native solutions on AWS and Kubernetes.

What we’re looking for

AI and agent engineering
• Strong Python skills, including asyncio and asynchronous programming.




• Experience with agent architectures, agent loops, tool design, and orchestration.
• Knowledge of MCP (Model Context Protocol), RAG, prompt engineering, and evaluation.
• Familiarity with OpenAI and/or Anthropic frameworks and best practices.
• Knowledge of AWS Bedrock, AgentCore, and orchestration frameworks such as Strands.

Backend and distributed systems

• Strong experience with Java 17+ and Spring Boot.
• Experience with MongoDB, including document modeling, transactions, and change streams.
• Experience with Kafka, including partitioning, consumer groups, dead-letter queues (DLQs), and delivery guarantees.
• Understanding of event-driven architectures and distributed systems patterns

Frontend and cloud

• Experience with React and TypeScript.
• Familiarity with Kubernetes and AWS cloud services.

Nice to have

• Experience building enterprise AI platforms or agent-based applications.
• A strong understanding of consisten

📌 AI Backend Developer | Python, Java (España)
🏢 Osf Digital
📍 España