Microsoft Ads powers one of the world s largest digital advertising ecosystems delivering billions of recommendations every day We are seeking a Principal Applied Scientist to define and advance R D of retrieval matching ranking and generation algorithms across our ad recommendation systems In this role you will shape the science and innovation strategy by leveraging and improving LLM SLM LRM and productionize breakthroughs at web scale Your work will directly influence how ads are discovered matched and generated improving user experience advertiser ROI and the efficiency of the entire ads platform 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 Responsibilities Advance research and development across retrieval ranking matching and generative models Leverage and improve SLMs LLMs LRMs train fine-tune and align models and productionize them Evolve the Ads ranking platform toward better usability reliability scalability efficiency and architectural coherence Provide technical leadership on projects set direction coach a distributed team and influence cross-org strategy Follow research trends in AI to guide the group keep solutions state-of-the-art Collaborate with research and engineering teams Qualifications Required Qualifications Bachelor s Degree in Statistics Econometrics Computer Science Electrical or Computer Engineering or related field AND 8 years related experience e g statistics predictive analytics research OR Master s Degree in Statistics Econometrics Computer Science Electrical or Computer Engineering or related field AND 6 years related experience e g statistics predictive analytics research OR Doctorate in Statistics Econometrics Computer Science Electrical or Computer Engineering or related field AND 5 years related experience e g statistics predictive analytics research OR equivalent experience 8 years of experience in ML with a proven record of shipping large-scale models to production Hands-on experience with SLM LLM LRM training fine-tuning and post-training Experience designing and scaling recommendation systems with massive query item spaces and multi-stage ranking pipelines Proficiency with deep learning frameworks e g PyTorch JAX TensorFlow and distributed training on large datasets Other Requirements Ability to meet Microsoft customer and or government security screening requirements are required for this role These requirements include but are not limited to the following specialized security screenings Microsoft Cloud Background Check This position will be required to pass the Microsoft Cloud background check upon hire transfer and every two years thereafter Preferred Qualifications Master s Degree in Statistics Econometrics Computer Science Electrical or Computer Engineering or related field AND 12 years related experience e g statistics predictive analytics research OR Doctorate in Statistics Econometrics Computer Science Electrical or Computer Engineering or related field AND 8 years related experience e g statistics predictive analytics research OR equivalent experience 10 years of experience in ML with a proven record of shipping large-scale models to production Expertise in training and inference optimization Proven ability to influence platform architecture and align cross-team roadmaps Track record of publications in tier-1 venues such as NeurIPS ICML KDD WWW ACL SIGIR MicrosoftAI Microsoft is an equal prospect 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

📌 Prinicipal Applied Scientist (Karnataka)
🏢 Microsoft
📍 Karnataka