Senior Machine Learning Engineer: Search Quality

Description: Join Constructor as a Senior Machine Learning Engineer in the Search Quality team to enhance e-commerce experiences for millions of users. Focus on improving search relevance through LLMs, real-time models, and offline query log analysis. Requirements: 4+ years of experience in production ML systems. Background in search, information retrieval, or recommendation systems. Proficient in fine-tuning, evaluation frameworks, and scaling LLM deployments. Strong skills in Python, PyTorch, SQL, and data orchestration tools (Spark, Airflow). Experience with A/B testing for model validation. Excellent English communication skills and ability to collaborate in cross-functional teams. Benefits: Work with a supportive team that fosters growth and impact. Fully remote work with unlimited vacation time (minimum 3 weeks encouraged). Home office stipend and Apple laptops provided. Annual training and development budget. Maternity & Paternity leave for eligible employees. Competitive base salary ($80k–$120K) plus stock options.