Python
PyTorch
SQL
Senior Machine Learning Engineer
Overview
Constructor is an AI-first ecommerce search and discovery platform that helps shoppers find the right products at the right time and enables leading global e-commerce brands to drive meaningful revenue and conversion gains.
Job Description
As a Senior Machine Learning Engineer in the Search Quality team, you will improve the e-commerce experience for hundreds of millions of users across the world by building the systems that power relevance for global retailers - from fashion and grocery to electronics and hardware.
Responsibilities
- - Relevance evaluation and quality improvements
- - LLM-based evaluation
- - Real-time quality in production
- - Automated quality monitoring and agentic insights
Required Skills
- - 4+ years shipping production ML systems
- - Experience with search, information retrieval, or recommendation systems
- - Hands-on experience with fine-tuning, evaluation frameworks, and scaling LLM deployments
- - Strong Python and PyTorch
- - Fluency in SQL and data orchestration tools (Spark, Airflow)
- - Experience designing and running A/B tests to validate model impact
- - Excellent English communication skills
- - Experience collaborating in cross-functional teams (ranking, product, data engineering)
Benefits
- - Work with smart and empathetic people who will help you grow and make a meaningful impact
- - Regular team offsite events to connect and collaborate
- - Fully remote team - choose where you live
- - Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year
- - 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
- - Stock options - offered in addition to the base salary
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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