AI Engineer: Build Scalable LLM AI Solutions

WTW; Lisboa; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Work‑Life Balance (hybrid)

Competitive compensation

Global exposure

Career development

Collaborative culture

Impactful work

Community and celebration

Job summary

WTW in Lisbon or Manila is seeking an experienced AI Engineer to design, build and deliver AI solutions that solve real business problems at scale.

You will work hands-on in code, alongside low-code and automation tools, and collaborate with business users, analysts and the Tech Lead to deliver reliable, production-ready AI applications.

Join a global team focused on responsible AI, data governance, and continuous learning while enjoying hybrid working options and opportunities to grow.

Qualifications

• Degree in Computer Science, Computer Engineering, Mathematics or related technical discipline, or equivalent practical experience.
• 3+ years of experience in software engineering, AI/ML engineering, low-code automation or AI solution development.
• Python skills; JavaScript/TypeScript, C#/.NET or other relevant languages are a plus.
• Practical experience building Generative AI and LLM-based applications (e.g. RAG, agents, tool/function calling, structured outputs).
• Experience with cloud platforms, with Microsoft Azure strongly preferred.

Responsibilities

• Work with business and technical stakeholders to understand where AI can deliver measurable value, and translate requirements into practical technical solutions.
• Design, build and deliver AI applications and agents using LLMs, RAG, prompt engineering, tool calling, MCP and agentic patterns on Microsoft Foundry and Azure.
• Design and build reusable agent skills and maintain shared assets across solutions.
• Combine code‑first development with low‑code automation (Power Platform, Copilot Studio) as appropriate.
• Rapidly prototype and validate ideas, using evidence and evaluation to decide whether and how solutions progress.
• Data & Fabric focus: build and maintain the Fabric lakehouses, pipelines, semantic models, Fabric IQ and data agents that feed our AI solutions.
• Define and apply evaluation approaches for AI quality, reliability, safety and business effectiveness.
• Make solutions production‑ready, with monitoring, observability, resilience, scalability and cost control.
• Use AI‑assisted development tools while critically reviewing and testing both human‑written and AI‑generated code.
• Build in line with agreed architecture, engineering, security, Responsible AI and governance standards.
• Diagnose complex implementation and integration issues and drive them through to resolution.
• Contribute reusable components and patterns and support less experienced engineers through code reviews and knowledge sharing.

Skills

Python

LLM/Generative AI

Azure cloud

APIs and Databases

DevOps / CI/CD

English fluency

Problem solving

Education

Bachelor's degree in Computer Science or related field

Tools

Microsoft Foundry

Azure

Databricks/Synapse

Power Platform

Job description

WTW in Lisbon or Manila is seeking an experienced AI Engineer to design, build and deliver AI solutions that solve real business problems at scale.

You will work hands-on in code, alongside low-code and automation tools, and collaborate with business users, analysts and the Tech Lead to deliver reliable, production-ready AI applications.

Join a global team focused on responsible AI, data governance, and continuous learning while enjoying hybrid working options and opportunities to grow.