Data Scientist II / Senior Data Scientist

Overview

We are hiring multiple Data Scientists across LATAM to join the Microsoft 365 team. These are remote positions, allowing you to work from home. You will help shape one of Microsoft’s fastest-growing cloud services and work on Copilot, enabling personalized, context-aware experiences across Microsoft 365.

You will collaborate with software engineers, product managers, and researchers to design, implement, and evaluate models and algorithms that adapt based on user interactions and feedback. You will leverage advanced machine learning and information retrieval to predict and optimize memory content selection, representation, and lifecycle management. This role is at the forefront of applied AI and machine learning and contributes to a culture of innovation, learning, and experimentation.

Responsibilities

• Develop and evaluate ML models using prepared datasets, customer feedback, and novel training / fine-tuning algorithms for language models.
• Write production-quality code, apply debugging best practices, and stay current with industry trends.
• Drive customer-centric solutions by aligning with business goals and managing stakeholder expectations.
• Collaborate cross-functionally to define success metrics and improve AI quality at scale.
• Lead research projects that yield new algorithms, tools, or insights solving open problems.
• Analyze evaluation outputs to identify gaps in coverage, quality, and usability.
• Design experiments, define metrics, and develop ML pipelines for encoder–decoder and cross-encoder models, semantic search, and user intent understanding.
• Work with large-scale data while championing privacy and compliance.
• Engage with customers and internal teams to identify pain points and drive impactful improvements.
• Stay engaged with the latest research and foster a strong applied science culture. Publishing is encouraged.

Qualifications

Main qualifications

Preferred Qualifications

Interpersonal Skills

Equal Opportunity

Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and / or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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