Junior AI Engineer - Hybrid, Global Learning & Growth

WTW group; Lisboa; Hybrid; EUR 30,000 - 42,000; Full time

Benefits offered by this job

Hybrid working options

Career development opportunities

Global exposure

Job summary

WTW is seeking a Junior AI Engineer to design, build and implement AI-powered solutions. Based in Lisbon or Manila, you will work with AI Engineers and a Tech Lead across experiments, prototyping, testing and production.

You will gain hands-on experience with Generative AI, cloud technologies and enterprise delivery while contributing to real business needs and collaborating with distributed teams.

Qualifications

• Degree in Computer Science, Engineering, Mathematics or related discipline.
• Experience with one or more programming languages, preferably Python; JavaScript/TypeScript, Java or C# is a plus.
• Foundational understanding of software engineering, MCP and databases.
• Exposure to Generative AI, LLMs and prompt engineering.
• Familiarity with tools such as Git and REST APIs.
• Has built something with an LLM or AI tool, including personal projects.
• Awareness of Responsible AI, including data privacy, model limitations and human oversight.
• Strong problem-solving skills, attention to detail, curiosity and willingness to learn in a fast-paced environment.
• Ability to take ownership of tasks and deliver against agreed priorities and timelines.
• Good communication skills and the confidence to discuss requirements with business users across distributed teams.
• Fluency in English, both written and spoken (mandatory).

Responsibilities

• Help build, test, maintain and document AI-enabled applications, agents, skills, workflows and reusable components.
• Develop prototypes and proofs of concept using Generative AI, LLMs, RAG, APIs and automation technologies.
• Write and maintain code (mainly Python) and build low-code automations (e.g. Power Automate, Copilot Studio) with support from experienced colleagues.
• Support the integration of AI solutions with APIs, applications, databases and data platforms such as Microsoft Fabric.
• Test and evaluate AI solutions for quality, reliability and performance.
• Troubleshoot technical issues, document findings and help resolve them.
• Help move successful prototypes from experimentation into production.
• Follow established architecture, development, testing, security and Responsible AI standards.
• Join requirements discussions with business users and Business Analysts, asking questions to understand the real need.
• Take part in solution design sessions, sprint planning, code reviews and retrospectives.
• Contribute to technical documentation, prompt libraries, evaluation assets and knowledge sharing.
• Keep developing your knowledge of Generative AI, software engineering, cloud and enterprise delivery.

Skills

Python

JavaScript/TypeScript

Java

C#

Education

Degree in Computer Science

Engineering or Mathematics

Equivalent practical experience

Tools

Git

REST APIs

Job description

WTW is seeking a Junior AI Engineer to design, build and implement AI-powered solutions. Based in Lisbon or Manila, you will work with AI Engineers and a Tech Lead across experiments, prototyping, testing and production.

You will gain hands-on experience with Generative AI, cloud technologies and enterprise delivery while contributing to real business needs and collaborating with distributed teams.