AI Engineer

At Mindera, we believe in building software that improves lives. As an AI Engineer, you will design, build, and optimize intelligent systems that leverage large language models (LLMs), vector databases, and advanced graph algorithms. This role will be instrumental in developing pipelines that extract, organize, and surface knowledge from diverse document sources. You will work at the intersection of data engineering, AI model optimization, and software architecture to deliver cutting-edge search, reasoning, and automation capabilities.

Requirements

Key Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• At least 4 years of professional experience as an AI Engineer or in a similar role.
• Strong proficiency in Python for data processing, API integration, and AI pipeline development.
• Hands-on experience with graph databases and vector databases
• Familiarity with graph algorithms for shortest paths, centrality, community detection, and semantic linking.
• Deep understanding of embeddings, vector search, and similarity measures (cosine similarity, dot product, etc.).
• Experience with prompt optimization and LLM fine-tuning
• Knowledge of LangChain or equivalent orchestration frameworks.
• Experience with information extraction from structured/unstructured documents.
• Strong technical writing skills for documenting APIs, architecture, and developer guides.

Benefits

The Things We Really Care About:

• Health Insurance, because health comes first
• Flexible working hours
• Open holidays, take the time you need for yourself
• Profit distribution for everyone
• Mindera Annual Trip, Sports, and sharing groups to connect and have fun!
• Training & conferences, create your own training plan
• Child Care vouchers

Other Good Things:

• Choose Laptop & Peripherals that best suit your needs
• Hotspot with unlimited usage (PT), for work or Netflix ;)
• We have amazing offices in Porto, Aveiro, and Coimbra if you want to physically connect with minders. Remote from Portugal is also an option. Remote from other Countries will depend on your current location and Projects.
• At the offices, we have a wide range of snacks to keep you fed and healthy
• Partnerships with local businesses

About Mindera

At Mindera we use technology to build products we are proud of, with people we love.

Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera.

We partner with our clients, to understand their products and deliver high-performance, resilient and scalable software systems that create an impact in their users and businesses across the world.

You get to work with a bunch of great people, where the whole team owns the project together.

Our culture reflects our lean and self management attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.

We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.

Check out our Blog and our Handbook!

Our offices are located: Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Cluj-Napoca, Romania | Blumenau, Brazil