At Next Engineering, we don't wait for the future. We build it. We believe that innovation comes through knowledge and that every project is an opportunity to push boundaries. We also believe that the next step is yours. Be our NEXT AI Engineer! +5 years of experience with Java and/or Python ; Backend API and distributed systems development; Knowledge of REST APIs, async processing and event-driven architectures ; Experience with Kafka or messaging systems ; Cloud-native development experience; Knowledge of AI technologies such as AI agents, RAG, vector databases, LLM integrations or orchestration frameworks ; Experience with CI/CD, Docker, Kubernetes and automated testing ; Strong analytical, communication and problem-solving skills; Fluent English (written and spoken); Develop AI platform services, MCP servers and enterprise integrations; Build scalable backend services and orchestration layers; Integrate AI agents, LLMs and enterprise systems; Design APIs, workflows and event-driven services; Contribute to RAG pipelines, context management and AI orchestration; Ensure platform scalability, reliability and security; Collaborate with Product, Architecture, UX and Infrastructure teams; Support CI/CD, testing and continuous improvement practices. Want to work in Porto ? Do you have more than 5 years of experience? Then this is what we have for you: 1400€–2000€ (base salary) + Food Allowance + Flex Benefits + other current benefit s Don't wait either. Join Next! Send your CV to