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AI Machine Learning Engineer: AI Shopping Agents

hace 2 semanas


remoto, España Constructor A tiempo completo

AI Machine Learning Engineer: AI Shopping Agents (Remote) AI Machine Learning Engineer: AI Shopping Agents (Remote) Get AI-powered advice on this job and more exclusive features. About UsConstructor is the next-generation platform for search and discovery in ecommerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself to recommendations to shopping agents. Engineering is by far our largest department, and we've built our proprietary engine to be the best on the market, having never lost an A/B test to a competitive technology. We're passionate about maintaining this and work on the bleeding edge of AI to do so. About UsConstructor is the next-generation platform for search and discovery in ecommerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself to recommendations to shopping agents. Engineering is by far our largest department, and we've built our proprietary engine to be the best on the market, having never lost an A/B test to a competitive technology. We're passionate about maintaining this and work on the bleeding edge of AI to do so.Out of necessity, our engine is built for extreme scale and powers over 1 billion queries every day across 150 languages and roughly 100 countries. It is used by some of the biggest ecommerce companies in the world like Sephora, Under Armour, and Petco.We're a passionate team who love solving problems and want to make our customers' and coworkers' lives better. We value empathy, openness, curiosity, continuous improvement, and are excited by metrics that matter. We believe that empowering everyone in a company to do what they do best can lead to great things.Constructor is a U.S. based company that has been in the market since 2019. It was founded by Eli Finkelshteyn and Dan McCormick who still lead the company today.RequirementsConstructor is seeking an experienced AI Engineer to design and build our Agent Products . In this role, you will focus on developing and rigorously evaluating sophisticated RAG pipelines and agentic workflows that power new ways of shopping. Our LLM-powered agents utilize various tools to interact with customers' catalogs, enable advanced retrieval, and assist with browsing to answer open-ended user queries. These agents provide high-quality, well-cited answers and deliver exceptional product recommendations.Responsibilities Architect and build real-time agentic workflows to handle complex, multi-step user tasks and open-ended queries, providing users with accurate and contextually relevant answers and product suggestions Own the end-to-end data lifecycle for AI workflows, including vector database ingestion and indexing Design metrics to evaluate the relevance and performance of query results, ensuring alignment with business goals and user expectations Generate and rapidly prototype novel product hypotheses that leverage LLMs, RAG, and agentic systems Collaborate closely with Product, Design, Analytics, and other engineering teams to translate AI capabilities into tangible, high-quality product features Improve the speed, quality, and efficiency of our AI systems and engineering processes Take ownership of systems and designs from conception through to deployment and maintenance Qualifications4+ years of industry experience in related fields, including search, information retrieval, recommendation systems, applied machine learning, and NLP Excellent skills in delivering and communicating business value Proficient in Python, SQL, and the big data stack for end-to-end ML product development, with experience across the entire pipeline in typical recommendation systems or LLM-based solutions Strong grasp of Information Retrieval (IR) techniques (e.g., dense retrieval, re-ranking, chunking strategies) Direct experience with Retrieval-Augmented Generation (RAG); experience building autonomous agents is a strong plus Nice to have: experience with automatic prompt optimization techniques (e.g., DSPy) Solid understanding of ML evaluation methodologies and key IR metrics Passion for shipping high-quality products and a self-motivated drive to take ownership of tasks Tech StackCore: Python, FastAPI, asyncio, Airflow, Luigi, PySpark, Docker, LangGraph Data Stores: Vector Databases, DynamoDB, AWS S3, AWS RDS Cloud & MLOps: AWS, Databricks, Ray Benefits️ Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year Fully remote team - choose where you live ️ Work from home stipend We want you to have the resources you need to set up your home office Apple laptops provided for new employees Training and development budget for every employee, refreshed each year Maternity & Paternity leave for qualified employees Work with smart people who will help you grow and make a meaningful impact This position has a base salary range between $80k and $120k USD. The offer varies on many factors including job related knowledge, skills, experience, and interview results Regular team offsites to connect and collaborate Diversity, Equity, and Inclusion at ConstructorAt Constructor.io we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status or affiliation in any other protected group. Studies have shown that women and people of color may be less likely to apply for jobs unless they meet every one of the qualifications listed. Our primary interest is in finding the best candidate for the job. We encourage you to apply even if you don't meet all of our listed qualifications. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Constructor by 2x Get notified about new Machine Learning Engineer jobs in Spain . Madrid, Community of Madrid, Spain 3 weeks ago Software Engineer (Python) - AI Platform Madrid, Community of Madrid, Spain 7 hours ago Data Scientist (NLP Deep Learning Engineer) Junior Quality Data Scientist (Open to remote) Greater Madrid Metropolitan Area 13 hours ago (Full Remote)Junior AI Software Engineer Data Scientist (Full Remote within Spain) Product Data Scientist: AI Shopping Agents (Remote) Machine Learning & Computer Vision Engineer Greater Madrid Metropolitan Area 2 months ago Madrid, Community of Madrid, Spain 3 weeks ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr