Senior Software AI Engineer - AI Systems

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Description

Role description and responsibilities As a Senior AI Engineer at WE ARE META, you will be matched with clients across diverse sectors of the tech industry. You will work in a fully remote model, building and maintaining advanced AI systems in production environments. The role involves designing and engineering LLM-based applications, building agentic systems end-to-end — systems that plan, write code, validate their own output, and improve over time — and working with modern orchestration frameworks and cloud data platforms. Requirements 6+ years of professional experience as an AI Engineer or in a similar role Strong production software engineering skills: Python, testing, packaging, CI/CD, async, REST, and Docker AI SDLC experience in production environments Real depth in LLM application engineering: prompt design, function calling, structured outputs, RAG, vector stores, and experience with the Anthropic and OpenAI APIs Experience building agentic systems end-to-end: systems that plan, write code, validate their own output, and improve over time Familiarity with the orchestration landscape (LangGraph, LlamaIndex, AutoGen, CrewAI) and opinionated about when a thin custom harness beats a framework Working fluency with at least one cloud data platform and SQL Fluency in English (at least a B2 level) Must be based in Portugal with Portuguese or EU citizenship, or a valid work permit Benefits & perks Welcome kit upon joining Opportunities for career progression Health insurance coverage Coverflex meal card Other protocols and special discounts Access to a network of national and international partners across diverse tech sectors Personalized support from a career coach Flexible working policy matching (remote, hybrid, on-site) based on your preferences

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