Architected AI Engineer — Production GenAI & Agents

Keyrus; Lisboa; On-site; EUR 42,000 - 58,000; Full time

Benefits offered by this job

Meal allowance €10.20/day

Private medical insurance

22 days annual leave

KLX Learning Experience

Job summary

Keyrus Portugal is seeking an AI Engineer to design, implement and operate production GenAI/LLM-based systems. You will collaborate with software, data, and governance teams to deliver architected intelligence for client engagements in Portugal, with monthly travel to Lisbon or Madrid.

The role emphasizes hands-on engineering, solution design, and delivering measurable business outcomes. The position requires a degree in a relevant field, strong Python and cloud/CI/CD skills, and fluency in

Qualifications

• Degree in Computer Science, Engineering or a related field, or equivalent professional experience.

Responsibilities

• Design and build production AI capabilities, including RAG systems, intelligent assistants and agent-enabled workflows aligned with the approved solution architecture.
• Engineer agent behaviour across instructions, context, tools, state, routing, memory, recovery, stopping conditions and appropriate human checkpoints.
• Integrate and configure models through APIs or supported platforms, making the right trade-offs between capability, quality, latency, cost and operational requirements.
• Design evaluations and quality gates using representative datasets, automated and regression testing, task‑success measures, groundedness and other relevant indicators.
• Deploy, monitor and improve AI capabilities in production, using evaluation results and observed system behaviour to drive continuous improvement.
• Implement reliability and control mechanisms such as validation, guardrails, failure handling and human oversight, within the architecture and governance standards defined for the engagement.
• Integrate AI capabilities with the surrounding solution and client systems, working with Software Engineers on application interfaces and with Data Engineers on retrieval, data quality and AI-ready data.
• Enable client teams to run and extend the agents after go-live.
• Document and reuse what works, including AI behaviour, dependencies, evaluation criteria, limitations and engineering patterns that strengthen future Keyrus engagements.

Skills

Python

AI engineering

RAG systems

AI agents

LLM evaluation

Model integration

KPI alignment

Governance

LangChain

Education

Degree in Computer Science, Engineering or related field

Tools

LangChain

LlamaIndex

Semantic Kernel

OpenAI

Pinecone

Milvus

Job description

Keyrus Portugal is seeking an AI Engineer to design, implement and operate production GenAI/LLM-based systems. You will collaborate with software, data, and governance teams to deliver architected intelligence for client engagements in Portugal, with monthly travel to Lisbon or Madrid.

The role emphasizes hands-on engineering, solution design, and delivering measurable business outcomes. The position requires a degree in a relevant field, strong Python and cloud/CI/CD skills, and fluency in