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.RequirementsKey Qualifications:Bachelor's degree in Computer Science, Engineering, or a related fieldAt least 4 years of professional experience as an AI Engineer or in a similar roleStrong proficiency in Python for data processing, API integration, and AI pipeline developmentHands-on experience with graph databases and vector databasesFamiliarity with graph algorithms for shortest paths, centrality, community detection, and semantic linkingDeep 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 frameworksExperience with information extraction from structured/unstructured documentsStrong technical writing skills for documenting APIs, architecture, and developer guidesBenefitsThe Things We Really Care About:Health Insurance, because health comes firstFlexible working hoursOpen holidays, take the time you need for yourselfProfit distribution for everyoneMindera Annual Trip, Sports, and sharing groups to connect and have fun!Training & conferences, create your own training planChild Care vouchersOther Good Things:Choose Laptop & Peripherals that best suit your needsHotspot 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 ProjectsAt the offices, we have a wide range of snacks to keep you fed and healthyPartnerships with local businessesAbout MinderaAt 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