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About the Role
Join the Copilot Agent & Search Quality team to deliver innovative products and machine learning solutions to hundreds of millions of users across Microsoft. You will work alongside scientists to solve problems that delight Copilot Search and Chat users, adapting state-of-the-art algorithms and applying advanced ML to improve retrieval quality.
Responsibilities
- Research and evaluate tools, technologies, and methods to improve M365 Copilot Chat and Search quality, performance, or efficiency.
- Build deep knowledge of the M365 Copilot Search service and stay current with industry trends in applied ML.
- Consult with engineers and product teams to apply advanced concepts to search quality improvements.
- Mine data to identify opportunities for applying state-of-the-art algorithms that improve M365 Copilot search quality.
- Apply statistical analysis to map user journeys, evaluate deployed model behavior, validate evaluation results, and communicate insights.
- Develop expertise in search relevance, NLP, and data-driven analysis.
- Identify, adapt, or create research-backed solutions to improve M365 Copilot Chat and Search quality.
- Build collaborative relationships with product and business groups across Microsoft.
- Contribute expertise and technology to create business impact, potentially authoring papers, developing tools, and publishing research.
Requirements
- Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 2+ year(s) related experience OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field OR equivalent experience.
- Ability to meet Microsoft, customer and/or government security screening requirements.
- Must pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
Skills
- Machine learning
- NLP
- Information retrieval
- Data analysis
- Offline/online evaluation
- Python
- Modern ML frameworks (e.g., PyTorch)
- Dense/vector retrieval
- Text embeddings
- Bi-encoders
- Approximate nearest-neighbor search
- Contrastive training
- Hard-negative training
- Information retrieval fundamentals
- Retrieval evaluation metrics (e.g., recall@k, nDCG)
- Offline evaluation pipelines
- A/B test results interpretation
- Transformer models
- Large language models
- Domain adaptation
- Distillation
- Parameter-efficient fine-tuning
- Curation of clean in-domain training data
- Large-scale training and evaluation jobs on cloud or GPU clusters
Location
- United Kingdom
Work Type
- Full-time
Experience Level
- Senior
- 4+ years related experience
- 2+ years related experience
Education Level
- Bachelor's Degree
- Master's Degree
- Doctorate
Salary/Compensations
- £ 74,700.00 - £ 122,600.00 per year
Benefits
- Certain roles may be eligible for benefits and other compensation.
About the Company
- Microsoft’s mission is to empower every person and every organization on the planet to achieve more.
- As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.
- Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
Equal Opportunity
- Microsoft is an equal opportunity employer.
- All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances.
- If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.