Senior Applied Machine Learning Engineer - Search & Recommendations
UpworkQueluz e Belas, Portugal
Posted December 10, 2025
Full Time
About the Company
Upwork is the worldâs human and AI-powered work marketplace that connects businesses with highly skilled, AI-enabled independent talent from across the globe.
Job Description
As a Senior Applied Machine Learning Engineer at Upwork, you will leverage advanced machine learning techniques to deliver cutting-edge solutions that directly impact our global platform and user experience.
Requirements
- Masters/PhD in Computer Science, Machine Learning, NLP, Mathematics, or a related quantitative field
- 3+ years of relevant industry experience building large scale ML systems
- Prior experience with large language models, retrieval augmented generation (RAG), or agentic AI
- Strong experience with Python, SQL PyTorch and/or TensorFlow
- Clear track record of publications in peer-review conferences or journals
Benefits
- Competitive benefits through a partner
- Potential opportunities for employment with Upwork with benefits directly
- Access to Upwork's resources, culture, and growth opportunities
