
Senior Machine Learning Engineer - Recall Team: Search Quality
Overview
Constructor is the only search and product discovery platform tailor-made for enterprise e-commerce where conversions matter. Constructor's AI-first solutions make it easier for shoppers to discover products they want to buy and for e-commerce teams to deliver highly personalized experiences that drive impressive results.
Job Description
Constructor's AI-first solutions optimize specifically for e-commerce metrics like revenue, conversion rate and profit, generating consistent $10M+ lifts for some of the biggest brands in e-commerce. The Recall team focuses on improving the search system’s quality by increasing the recall and relevancy of the retrieved results.
Responsibilities
- - Build and deploy robust ML systems for search, including vector search, results filtering, computer-vision models, etc.
- - Tune large language models (LLMs) to provide expert-level decisions on item relevance, and work on integrating these signals into real-time models.
- - Design metrics to evaluate the relevance and performance of search results, ensuring they align with business goals and user expectations.
- - Collaborate with technical and non-technical partners to develop explanation tools that clearly communicate the impact of our algorithms to stakeholders.
- - Own the full development lifecycle: design solutions, develop and deliver them to production, while ensuring our systems remain stable, performant and scalable.
Required Skills
- - Proficient in NLP on a high level, and have practical experience with modern architectures.
- - Excel at Python, at least one ML/DL framework (we're using torch), have proficiency with any variant of SQL, and feel comfortable with the big data stack like Spark, Presto/Athena & Hive.
- - Delivered production ML systems and conducted A/B tests to validate their value.
- - Experience with data pipeline orchestration tools (Airflow) to manage and automate ML workflows.
- - Excellent communicator with the ability to translate intuition into data-driven hypotheses that result in engineering solutions that bring significant business value.
Benefits
- - Base range of 90-110k USD + stock options + work from home bonus
- - Fully remote team - choose where you live
- - Work from home stipend
- - Apple laptops provided for new employees
- - Training and development budget for every employee, refreshed each year
- - Parental leave for qualified employees
- - Work with smart people who will help you grow and make a meaningful impact
About the company
Constructor’s AI-powered search and product discovery platform delivers unmatched KPI optimization and fast ROI for enterprise ecommerce brands — while giving customers a personalized, enjoyable shopping experience.
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