Senior Java AI Engineer - Spring Boot, Kafka & LLMs

Allianz; Italia; In loco; EUR 90.000 - 120.000; Tempo pieno

Descrizione del lavoro

Allianz is seeking a Senior Java AI Developer to design, implement, and optimize backend services with a strong focus on AI-enabled features for insurance systems. The role emphasizes scalable Java architectures, Spring Boot, and event-driven design using Kafka, along with NoSQL data stores and LLM integrations.

The ideal candidate will contribute to RAG pipelines, semantic search, and document intelligence while collaborating on CI/CD, MLOps tooling, and documentation to support enterprise

Competenze

• 5+ years of hands-on development experience in Java-based applications.
• Strong expertise in Java (8/11/17), Spring Framework, Spring Boot, and RESTful services.
• Experience with Kafka for messaging, streaming, or event-driven architecture.
• Practical knowledge of MongoDB or other NoSQL databases (e.g., Cassandra, DynamoDB, Couchbase).
• Solid understanding of microservices architecture and distributed systems.
• Hands-on experience consuming LLM APIs (OpenAI GPT-4o, Anthropic Claude, Google Gemini) in production Java applications.
• Familiarity with Spring AI or LangChain4j for building LLM-backed services in Java ecosystems.
• Experience with prompt engineering — crafting, versioning, and testing prompts for accuracy, safety, and cost efficiency.
• Knowledge of embedding models and vector stores for semantic search and RAG pipelines.
• Strong debugging, analytical, and problem-solving skills.

Mansioni

• Design, develop, and enhance backend services and APIs using Java and Spring Boot.
• Build high-throughput and resilient event-driven components using Kafka.
• Work with MongoDB or other NoSQL databases to design efficient data models and optimize queries.
• Integrate LLMs (OpenAI, Claude, Gemini) into backend services via REST APIs/SDKs.
• Build and maintain AI-powered microservices including RAG pipelines and semantic search.
• Support CI/CD, model deployment automation, and MLOps tooling.
• Contribute to documentation, specifications, and architectural diagrams.

Conoscenze

Java

Spring Boot

Kafka

REST APIs

LLMs/AI integration

Distributed systems

Microservices

Prompt engineering

RAG/pipelines

MLOps

Strumenti

MongoDB

Cassandra

DynamoDB

Couchbase

OpenAI API

LangChain4j

Spring AI

Git

Maven/Gradle

Jenkins

Docker

Kubernetes

Descrizione del lavoro

Allianz is seeking a Senior Java AI Developer to design, implement, and optimize backend services with a strong focus on AI-enabled features for insurance systems. The role emphasizes scalable Java architectures, Spring Boot, and event-driven design using Kafka, along with NoSQL data stores and LLM integrations.

The ideal candidate will contribute to RAG pipelines, semantic search, and document intelligence while collaborating on CI/CD, MLOps tooling, and documentation to support enterprise