AI engineer

Affinity; Lisboa; Hybrid; EUR 45,000 - 75,000; Full time

Benefits offered by this job

Benefits & partnerships

Social activities & communities

Training & career development plan

Job summary

Affinity is a Portuguese technology consultancy with offices in Lisbon, Porto and Obidos, plus international projects. We seek an AI/ML Engineer to design and implement AI agents, generative AI solutions, and RAG architectures across cloud environments.

You will work with LangChain, LangGraph, and Semantic Kernel, integrating tools with enterprise systems. The role emphasizes real-use cases, collaboration, and continuous learning.

Qualifications

• Degree in relevant field such as Computer Engineering, Applied Math or Informatics.
• Minimum 3 years in AI/ML/AI Engineer roles.
• Strong Python development experience.
• Hands-on with LLMs (GPT/Claude/Gemini).
• Experience with RAG architectures and tool-calling mechanisms.
• Experience integrating AI with APIs and enterprise systems.

Responsibilities

• Design and develop AI agents and solutions based on LLMs.
• Develop Generative AI solutions including RAG-based architectures.
• Use LangChain, LangGraph, and Semantic Kernel for agent frameworks.
• Build tool-calling mechanisms and integrate agents with APIs/enterprise systems.
• Integrate AI solutions with enterprise applications, services and platforms.
• Develop process automation and workflows using intelligent agents.
• Work with AI models such as GPT, Claude and Gemini.
• Deploy AI solutions in Azure and/or AWS environments.
• Contribute to architecture evolution and best practices for AI/ML.

Skills

Python development

AI/ML engineering

LLMs

Analytical thinking

Teamwork

English (B2)

Education

Degree in Computer Engineering, Applied Mathematics, Management Informatics or similar

Tools

LangChain

LangGraph

Semantic Kernel

Azure

AWS

Job description

Описание

Our mission is to be a meaningful part of our people's careers. As we grow, so does our determination to offer the best experience to our employees and clients, and that is exactly what drives us. We are a Portuguese technology consultancy with offices in Lisbon, Porto and Obidos and offices in Brazil and Tunisia. With over 13 years of expertise in the market, we are now a community of around 400 people working on-site, remotely or in a hybrid setup on projects in more than 20 countries.

Задачи

• Design and develop AI agents and solutions based on LLMs
• Develop Generative AI solutions, including RAG-based architectures
• Use agent frameworks such as LangChain, LangGraph and/or Semantic Kernel
• Develop tool-calling mechanisms and integrate agents with APIs and enterprise systems
• Integrate AI solutions with enterprise applications, services and platforms
• Develop process automation and workflow solutions using intelligent agents
• Work with different AI models, namely GPT, Claude and Gemini
• Implement and deploy AI solutions in Cloud environments, namely Azure and/or AWS
• Contribute to the evolution of the architecture and development best practices for AI/ML solutions

Требования

• Degree in Computer Engineering, Applied Mathematics, Management Informatics or similar
• At least 3 years of experience in AI/ML Engineer, AI Engineer, Machine Learning Engineer or similar roles
• At least 3 years of experience developing with Python, used regularly in solution development
• Practical experience developing applications with LLMs, namely GPT, Claude and/or Gemini
• Experience implementing RAG (Retrieval-Augmented Generation) solutions
• Experience with at least one agent framework, namely LangChain, LangGraph and/or Semantic Kernel
• Experience creating AI Agents with tool-calling mechanisms
• Experience integrating AI agents with APIs and enterprise systems
• Knowledge of Generative AI, LLMs and Agentic AI
• Experience with process automation, workflows and agent orchestration
• Experience with Cloud and AI services, namely Azure and/or AWS
• Ability to develop AI solutions oriented towards real use cases and business needs
• Analytical, independent and proactive profile, with strong problem-solving skills
• Good communication and teamwork skills
• Knowledge of English (minimum B2)
• Residence in Portugal — applications from outside Portugal will not be considered for this opportunity
• #Affinity — Build close relationships and empathy with colleagues, clients and candidates (and not just with technologies, languages and platforms).
• Team spirit and a positive attitude
• #Ambition — Want to do more and better.
• Willingness to exceed expectations and grow personally and professionally
• #Action — The energy to make things happen.
• Demonstrate proactivity and initiative
• #Learning — The desire to grow individually and collectively and become an expert in the technology market.

Условия

Take part in national and international projects at a company built on personal relationships, simplicity and efficiency, with a disruptive impact on the technology market

Access a personalized career and training plan directly proportional to your performance and interests

Be part of a welcoming environment built on trust, respect and informality

Join our Affinity Communities (sports, technology, hobbies, etc.) and actively participate in social and environmental responsibility projects

• Enjoy a range of benefits, partnerships, discounts, events and internal activities

Beyond your professional satisfaction, we want to provide you with memorable leisure and social opportunities worthy of an Affinity experience.