Senior Machine Learning Engineer: ML Recall

Constructor
United Kingdom
Workplace: RemoteFull timeUSD 80,000 - 120,000 annuallyFunction: Data Science & Machine LearningExperience: 3+ yearsSkills: ["Proactivity","Collaboration","Empathy","Communication","Problem-solving"]

Build and deploy ML systems that improve search relevance and effectiveness across text, image, and multimodal experiences. Tune LLMs to strengthen recall and visual solution quality, validate hypotheses, and drive improvements to key business KPIs. Partner with other technical teams to standardize models and help expand platform capabilities for end-to-end ML pipelines.

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FursaFursa
Constructor
Constructor
2 months ago

Senior Machine Learning Engineer: ML Recall

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Build and deploy ML systems that improve search relevance and effectiveness across text, image, and multimodal experiences. Tune LLMs to strengthen recall and visual solution quality, validate hypotheses, and drive improvements to key business KPIs. Partner with other technical teams to standardize models and help expand platform capabilities for end-to-end ML pipelines.
Location: United Kingdom
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Build and deploy robust ML systems for search, including text/image and multimodal approaches.
  • •Tune LLMs to improve different parts of the system beyond current capabilities.
  • •Use new techniques/models to improve business KPIs and validate hypotheses.
  • •Collaborate with other technical teams to exchange experiences and improve the overall system.
  • •Take responsibility for what you and your team deliver.

Pay and Benefits

Salary: USD 80,000 - 120,000 annually
Equity and Bonus:Equity
Perks:Paid LeaveRemote WorkHome OfficeLearning BudgetMaternity LeavePaternity LeaveEquity

Key Requirements

  • •3+ years of professional experience in applied machine learning and delivering production ML systems.
  • •Strong NLP knowledge, especially transformer-based approaches, with comprehensive classical machine learning foundations.
  • •Extensive Python experience and experience with a deep learning framework (using torch).
  • •Experience with SQL dialects, including SparkSQL and MySQL, for end-to-end ML product development.
  • •Proficiency with big data pipelines for ML (using PySpark) and ability to turn intuition into data-driven hypotheses that create business value.
Experience:3+ yearsE-commerceSearchGenerative AILLMs
Skills:ProactivityCollaborationEmpathyCommunicationProblem-solving
Tech Stack:PythonTransformersLLMsTorchSQLSparkSQLMySQLPySparkA/B testsAWSAzureGCPMultimodal

Company Brief

Constructor
Provides an AI-powered site search and product discovery platform for e-commerce and retailers, improving search relevance, recommendations, personalization, and merchandising to boost conversions and average order value.
Industry: Enterprise Software
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: San Francisco, United States
WebsiteLinkedIn