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Java AI Engineer

Porto, Porto District, Portugal🌐 Remote💼 Full-time🗓 2026-08-03 → 2026-09-25

Core

Design, build, and maintain scalable microservices and autonomous AI agents integrating LLMs into enterprise mobile applications.

Role type

Senior IC Java AI Engineer (Agentic Systems & LLM Integration)

Builds

Enterprise mobile apps with agentic AI features, multi-step reasoning systems, and LLM-powered tools.

Domain

Enterprise Software / Artificial Intelligence / Mobile Applications

Deliverable

production ML models | product features

Required skills

Java 17/21+, Spring Boot, Agentic AI system design, LLM integration, RESTful API design, Prompt Engineering, System reliability (guardrails, rate limiting), Observability

Preferred skills

LangChain or equivalent orchestration frameworks, Azure Co-pilot experience, Technical writing

Technologies

Java, Spring Boot, Spring AI, LangChain4j, Azure Co-pilot

Responsibilities

Architect and implement autonomous AI agents with multi-step reasoning and memory management; Integrate commercial LLMs via robust RESTful APIs; Craft and version-control complex prompts for deterministic outputs; Implement guardrails and fallback mechanisms for enterprise-grade reliability; Collaborate with product and frontend teams to define AI use cases for mobile apps.

Seniority

Senior, hands-on IC

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