Mid-Level AI Engineer – Software Development & Machine Learning

Unleash innovative AI solutions — shape the future of intelligent automation!

Portugal, Porto | Hybrid work model

As a Mid-Level AI Engineer, you will be working for our client, a forward-thinking leader in the tech industry focused on developing cutting-edge AI-powered features. Join a team dedicated to building transformative conversational AI systems, internal productivity tools, and advanced AI integration solutions that drive industry evolution and enhance user experience. This is your opportunity to contribute to groundbreaking projects while expanding your expertise in a vibrant, innovative environment.

Your main responsibilities:

• Design, develop, and deploy AI-powered features, including AI raters, conversational AI modules, and productivity tools.
• Integrate large language model APIs (Anthropic, OpenAI, etc.) into scalable, production-ready applications.
• Optimize prompt engineering, RAG pipelines, and work with vector databases like Pinecone, Weaviate, and pgvector.
• Collaborate with cross-functional teams to implement API and microservice architecture on cloud platforms (AWS, GCP, Azure).
• Write clean, tested, and efficient code, ensuring high-quality deliverables and sustainable solutions.
• Utilize AI-assisted coding tools such as Claude Code, Cursor, and GitHub Copilot to accelerate development workflows.
• Engage in continuous learning of ML fundamentals, model evaluation, and understanding limitations to improve model performance.
• Communicate complex technical concepts clearly to peers, product managers, and stakeholders.

You're ideal for this role if you have:

• 2+ years of professional experience in software engineering, preferably with Python and/or TypeScript/JavaScript.
• Hands-on experience working with language model APIs (Anthropic, OpenAI, etc.).
• Strong knowledge of prompt engineering, RAG pipelines, and vector databases (Pinecone, Weaviate, pgvector).
• Familiarity with agent frameworks like LangChain, LangGraph, LlamaIndex, or CrewAI.
• Competence in REST/GraphQL API design and cloud platforms (AWS, GCP, Azure).
• Basic understanding of ML fundamentals such as embeddings, model evaluation, and failure modes.
• Excellent communication skills; able to pair with senior engineers, product, and design teams.

It is a strong plus if you have:

• Experience in Insurtech, Fintech, or other regulated industries.
• Certifications or additional expertise in AI/Machine Learning.

Language required for the role:

• Fluent English

Eligibility to work in Europe:

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

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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.