Principal Applied Scientist Job at Microsoft | AI & Machine Learning Role in Bangalore 2025

June 16, 2025 AllindiaHires

Principal Applied Scientist at Microsoft – Bangalore, India

Location: Bangalore, Karnataka, India
Work Site: Up to 50% remote
Travel Requirement: 0–25%
Job Number: 1819211
Employment Type: Full-Time
Role Type: Individual Contributor
Discipline: Applied Sciences
Department: Research, Applied, & Data Sciences
Posted On: June 16, 2025

🌟 Overview

Microsoft is seeking an experienced and innovative Principal Applied Scientist to join its highly esteemed Turing team in Bangalore. This role is geared towards top-tier professionals who have a deep passion for artificial intelligence, deep learning, and large language models (LLMs), and who want to drive real impact through cutting-edge machine learning innovation at scale.

As a part of Microsoft’s AI division, you will be at the forefront of revolutionizing conversational search experiences and embedding advanced AI capabilities in popular Microsoft services like BizChat, Office, and Windows. This role offers an incredible opportunity to influence and shape the future of AI experiences accessed by hundreds of millions of users globally each month.

The Turing team is dedicated to building state-of-the-art deep learning models, deploying conversational AI, and delivering reliable, scalable, and secure machine learning solutions. If you thrive in fast-paced, collaborative environments and enjoy the challenge of solving complex real-world problems with applied science, this is the role for you.

🔍 Key Responsibilities

As a Principal Applied Scientist, your core responsibilities will span a range of high-impact technical and leadership functions:

🧠 Machine Learning Model Development

Design, train, and deploy deep learning models that support conversational AI and large-scale search experiences.
Build innovative evaluation sets, metrics, and training datasets using advanced heuristics and LLM prompting techniques.
Fine-tune and pre-train LLMs by managing end-to-end dataset curation, filtering, validation, and iterative model updates.
Work with industry-standard stacks such as Megatron and manage checkpoints, formats, and optimization techniques.

🔄 Data-Driven Innovation

Dive deep into complex, large-scale data sets to uncover hidden patterns and improve ML model accuracy.
Create large-scale evaluation infrastructure and pipelines to benchmark and improve model performance over time.

🤝 Cross-Functional Collaboration

Partner with internal and external product, data science, and engineering teams across time zones to align strategy, resolve blockers, and ensure consistent delivery.
Collaborate closely with stakeholders to define clear objectives, KPIs, and success metrics for ongoing and upcoming ML projects.

🗂️ Documentation & Leadership

Maintain detailed documentation of processes, findings, and models to foster transparency and reproducibility.
Provide mentorship to junior scientists and contribute to team growth by sharing best practices and guidance.

🧪 Research & Evaluation

Propose and implement new evaluation techniques and datasets for state-of-the-art (SOTA) models.
Contribute to the evolution of Microsoft’s AI product line by applying research outcomes directly to commercial applications.

📘 Qualifications

✅ Required Skills and Experience

To be eligible for this role, candidates must meet one of the following academic and professional experience combinations:

Bachelor’s Degree in Computer Science, Statistics, Econometrics, Electrical Engineering, or related field AND 12+ years of industry experience.
Master’s Degree in relevant discipline AND 10+ years of experience.
Doctorate (PhD) in a related area AND 8+ years of hands-on experience.
Equivalent experience in lieu of formal education is also considered.

Additionally, candidates must demonstrate:

A minimum of 3 years in leadership roles, delivering results through direct reports or team efforts.
Strong programming proficiency in one or more of the following languages: Python, C++, C#, Java.
Hands-on experience in data analytics, evaluation datasets creation, and performance benchmarking in production environments.
Familiarity with deep learning frameworks such as PyTorch, TensorFlow, Hugging Face, and others.
Clear communication skills to articulate complex technical insights across interdisciplinary teams.

🌟 Preferred Qualifications

5+ years of published research experience including patents, peer-reviewed papers, or open-source contributions.
Experience presenting at international conferences, industry meetups, or academic panels as an invited speaker.
Prior hands-on exposure to LLMs, prompt engineering, and multi-lingual conversational models is a significant plus.

🧭 About the Turing Team at Microsoft

The Turing team is one of Microsoft’s most innovative AI divisions, focused on creating and scaling deep learning and NLP breakthroughs across its ecosystem. From Copilot functionalities in Microsoft 365 to intelligent search in Bing, the Turing team is the intelligence backbone behind numerous user-centric innovations.

Working within this team, you’ll contribute to Microsoft’s mission of empowering every individual and organization on the planet to achieve more. You’ll also be joining a global network of top-tier AI talent that prioritizes inclusivity, respect, and a growth mindset.

💼 What You’ll Gain

Joining Microsoft as a Principal Applied Scientist offers access to:

💊 World-class healthcare plans
🎓 Continuous learning and certification support
🎁 Employee discounts across Microsoft products and services
💰 Investment and savings programs
👶 Maternity and paternity leave benefits
🌴 Flexible time off and generous vacation policies
🌍 Global networking opportunities
❤️ Charitable giving support programs

Microsoft’s benefits are tailored to support employees at all stages of life and career development, ensuring a fulfilling and balanced work experience.

🤝 Inclusion and Diversity

At Microsoft, diversity and inclusion are not just values – they are core commitments. Microsoft is an equal opportunity employer, committed to creating a workforce where everyone feels seen, heard, and valued. All qualified applicants will receive fair consideration, regardless of:

Race, ethnicity, or nationality
Gender identity or sexual orientation
Disability, age, or medical condition
Political or religious beliefs
Marital, family, or veteran status

If you require accommodations due to a disability at any stage of the application process, Microsoft provides assistance and support. Learn more about requesting accommodations.

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✉️ How to Apply

If you’re passionate about advancing AI, thrive in fast-paced technical environments, and want your work to make a difference globally, Microsoft’s Turing team invites you to apply today.

Visit the official Microsoft Careers Portal and search for Job ID: 1819211 to submit your application.

Apply Here

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