Senior AI Systems Engineer – Large Language Models & MLOps

Unleash the Future of AI — Build Scalable, Production-Ready Systems that Transform Business Impact!

Lisbon-based opportunity with hybrid work model.

As a Senior AI Systems Engineer, you will be working for our client, a leader in innovative AI solutions within the banking and regulated environments. You will play a pivotal role in designing and deploying agentic AI systems, including RAG pipelines, multi-step agents, and large language model workflows, to deliver tangible, high-impact business outcomes. This is your chance to drive technological excellence and shape the next generation of AI infrastructure.

Your main responsibilities:

• Design and deploy robust AI systems in production, ensuring operational excellence and scalability.
• Contribute to end-to-end solution architecture, from model selection to API deployment, orchestration, and monitoring.
• Implement MLOps, LLMOps, and AgentOps best practices, including CI/CD, prompt versioning, and model registry management.
• Establish monitoring and observability frameworks for AI systems, tracking drift, latency, cost, and output quality.
• Integrate AI Security by Design principles, safeguarding systems against prompt injections, ensuring traceability, and maintaining auditability.
• Collaborate with business Data Scientists to industrialize AI models and systemize deployment workflows.
• Write comprehensive technical documentation and promote best practices within the team.

You’re ideal for this role if you have:

• 5+ years of experience in software engineering or AI, including at least 2 years deploying LLM/AI systems to production environments.
• Proven track record of delivering operational AI systems, not just proofs of concept.
• Strong expertise in Python, including frameworks such as LangChain, Transformers, and FastAPI.
• Experience with cloud platforms (AWS, GCP) and infrastructure tools like Docker, Kubernetes, Terraform.
• Deep understanding of MLOps, LLMOps, and AI Security by Design principles.
• Excellent command of English and French (C1 level).
• Eligibility to work in Europe.

It’s a strong plus if you also have:

• Knowledge of regulated financial environments and security standards.
• Experience with GCP, JavaScript/TypeScript, or advanced research paper analysis.

Language required for the role:
English (Fluent), French (C1 level)

Eligibility for the role:
Only candidates with an existing legal right to work in the European Union will be considered.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.