Senior AI Engineer at LGG Advisors

✨ The Stack take on this LGG Advisors job

• 🏢 LGG Advisors has 4 jobs here, 4 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Salary: At least 1.5 times the national average annual salary (1.2 times in some cases) guide
• 💡 No salary shown. Ask LGG Advisors if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

Apply with your AI assistant

With The Stack connected to Claude, ChatGPT or Cursor, paste this. Your assistant tailors your CV and cover letter, checks the visa facts and gives you the apply link.

Help me apply to this job on The Stack: https://jobs.trythestack.co/jobs/senior-ai-engineer-lgg-advisors

Not connected yet? Connect in a minute. To help your user apply, call the MCP tool prepare_application with slug "senior-ai-engineer-lgg-advisors": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.

About the role

Responsibilities:
- Architect, develop and deploy complex LLM-based agents and production AI applications for clients
- Lead design of system architecture, APIs, orchestration and monitoring for scalable AI solutions
- Implement prompt engineering, fine-tuning and data pipelines to improve model behaviour and reliability
- Develop and maintain Python codebases and integrate AI components with client systems
- Troubleshoot, optimise and document AI software; mentor junior engineers and contribute to best practices
- Collaborate with research, product and client teams across the project lifecycle

Requirements:
- Undergraduate degree in Computer Science, Engineering, Data Science or related field
- 4–6 years of experience in ML, data engineering or software engineering with strong Python skills
- 1+ year of practical production experience with LLM systems, agents or LLM-based products
- Hands-on experience with Anthropic Claude SDK, LangGraph, LlamaIndex, LangChain or similar frameworks
- Solid prompt engineering and fine-tuning experience; familiarity with Pydantic for validation/config
- Experience with cloud platforms (AWS/Azure/GCP), REST APIs and production deployment practices; excellent communication skills

Responsibilities

Develop and deploy scalable AI applications and complex LLM-based agents for the financial services industry. Research new AI technologies and maintain AI software components using Python and REST APIs.

Requirements

Requires a degree in Computer Science or related field with 3-5 years of ML/Data engineering experience and at least one year of production LLM experience. Proficiency in Python and AI frameworks like LangChain or LlamaIndex is essential.

Key skills

• Python — in 1200 other listings on The Stack
• Large Language Models — in 46 other listings on The Stack
• Prompt Engineering — in 59 other listings on The Stack
• LangChain — in 19 other listings on The Stack
• LangGraph — in 29 other listings on The Stack
• LlamaIndex — in 5 other listings on The Stack
• Anthropic Claude Agent SDK — in 1 other listing on The Stack
• Pydantic — in 5 other listings on The Stack
• REST APIs
• ML Engineering
• Data Engineering
• AWS
• Azure
• GCP
• Agile Methodology
• Fine-tuning

On The Stack (as of 2026-11-05)

• LGG Advisors has 3 other listings on The Stack, 3 of them marked as offering visa sponsorship.
• 20 visa-sponsored jobs in Portugal on The Stack, posted in the last 60 days.
• 18 visa-sponsored ai engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about LGG Advisors

Is this Senior AI Engineer role still open?

It was posted on 2026-07-09. Listings more than 30 days old may no longer be active, so check LGG Advisors's site before applying.

Does LGG Advisors offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on LGG Advisors's site.

Where is this role located?

The listing gives the location as Portugal. It is marked on-site.

What skills does this role ask for?

The listing names: Python, Large Language Models, Prompt Engineering, LangChain, LangGraph, LlamaIndex, Anthropic Claude Agent SDK, Pydantic, REST APIs, ML Engineering, Data Engineering, AWS, Azure, GCP, Agile Methodology, Fine-tuning.