Principal Researcher jobs at Microsoft in Taiwan, Taoyuan City

and multi-disciplinary group of scientists,

Principal Data & Applied Scienwork ongroundbreaking andhigh-impact projects at the intersection of AI and software engineering. In this role, you will drive the development and application of advanced data science techniques—especially those involving LLMs—to real-world developer workflows.. You will have the opportunity to design and lead experiments, build and evaluatemodels (including RAG pipelinesand evaluation frameworks), andinsights into scalable product features. Most importantly,play a key role in bridging

Required/Minimum Qualifications:

• degree in Computer Science, Engineering, Mathematics, Statistics

• +yearsexperiencewith strongproficiencyinPython, machine learning frameworks,and experience developing and deploying generative AI or machine learning models into production. (Experience withadditionalprogramming languages is a plus but notrequired

Preferred Qualifications

• or PhD degree in Computer Science, Statistics, or related fields (undergraduates with significantappropriate experiencewill be considered).

• Strong professional experience in statistics, machine learning, including deep learning, NLP, econometrics.

• Experience in building cloud-scale systems and experience working with open-source stacks for data processing and data science is desirable.

• Experience with LLMs in natural language, AI for code or related fields

• Excellent communication skills, ability to present andwritereports, strongteamworkand collaboration skills.

• Experience in productizing AI and collaborating with multidisciplinary teams.

• researchand productization ofstate-of-the-art in AI for Software Engineering

• Build and manage large-scale AI experiments and models.

• Drive experimentation through A/B testing and offline validation to evaluate model performance.

• and geographieswith product teamsinMicrosoft and Github

• Stay up to date with the research literature and product advances in AI for software engineering

• Collaborate with world renowned experts in programming tools and developer tools to integrate AI across software development stack for Copilot

• Lead others by exemplifying growth mindset, inclusiveness, teamwork, and customer obsession

The Security Models Training team builds and operates the large-scale AI training and adaptation engines that power Microsoft Security products, turning cutting-edge research into dependable, production-ready capabilities. As a, you will lead end-to-end model development for security scenarios, including privacy-aware data curation, continual pretraining, task-focused fine-tuning, reinforcement learning, and rigorous evaluation. You will drive training efficiency on distributed GPU systems, deepen model reasoning and tool-use skills, and embed responsible AI and compliance into every stage of the workflow. The role is hands-on and impact-focused, partnering closely with engineering and product to translate innovations into shipped experiences, designing objective benchmarks and quality gates, and mentoring scientists and engineers to scale results across globally distributed teams. You will combine strong coding and experimentation with a systems mindset to accelerate iteration cycles, improve throughput and reliability, and help shape the next generation of secure, trustworthy AI for our customers.

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.
• 3+ years experience presenting at conferences or other events in the outside research/industry community as an invited speaker.
• Proven track record training and shipping large language models or multimodal models for production scenarios, including continual pretraining and task specific adaptation.
• Proficiency in Python and PyTorch, with hands-on experience building and debugging large-scale training jobs.

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 background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

• Security domain experience in one or more areas: security operations, threat intelligence, malware analysis, vulnerability and posture management, anomaly detection, phishing and fraud detection, or cloud identity and access.
• Experience with distributed training and scaling techniques, for example DeepSpeed, FSDP, ZeRO, model and pipeline parallelism, mixed precision, and profiling.
• Experience with privacy preserving ML including differential privacy concepts, privacy risk assessment, and utility measurement on privatized data.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:Microsoft will accept applications for the role until October 21, 2025.

• Lead the full modeling lifecycle for security scenarios, from data ingestion and curation to training, evaluation, deployment, and monitoring.
• Architect and optimize large-scale distributed training on GPU clusters, improving throughput, reliability, and cost efficiency.
• Design and implement privacy-preserving data workflows, including anonymization, templating, synthetic augmentation, and quantitative utility measurement.
• Develop and maintain fine-tuning and adaptation recipes for transformer models, including parameter-efficient methods and reinforcement learning from human or synthetic feedback.
• Establish objective benchmarks, metrics, and automated gates for accuracy, robustness, safety, and performance, enabling repeatable model shipping.
• Collaborate with engineering and product teams to productionize models, harden pipelines, and meet service-level objectives for latency, throughput, and availability.
• Mentor applied scientists and engineers, promote strong documentation and experiment hygiene, and foster a culture of rapid iteration grounded in responsible AI principles.
• Contribute to thought leadership by staying current with the latest AI advances and translating promising techniques into practical, measurable impact.

As aScience Managerfor BIC, you will play a pivotal role in advancing Microsoft's mission to empower every individual and organization on the planet to achieve more. You will contribute to the development and integration ofYou will collaborate acrossThis rolewill combineAI knowledge withapplied sciencedemonstrate a growth mindset

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.
• 3+ years of people management experience.
• 1+ years of experience withgenerativeAIOR LLM/ML

Other Requirements:

• to meet Microsoft,customerand/or government security screening requirementsarerequiredfor this role. These requirements include but are not limited to the following specialized security screenings:

• requiredto pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.

Preferred Qualifications

• Experience withMLOpsWorkflows, including CI/CD, monitoring, and retraining pipelines.

• Familiarity with modernLLMOpsframeworks (e.g.,LangChain,PromptFlow)

• + years of experience publishing in peer-reviewed venues or filing patents

• Experience presenting at conferences or industry events

• + years of experience conducting research in academic or industry settings

• + year of experience developing and deploying live production systems

• + years of experience working with Generative AI models and ML stacks

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:Microsoft will accept applications for the role until October 15, 2025.

Bringing the State of the Art to Products

• Build collaborative relationships with product and business groups to deliver AI-driven impact
• LeadResearch and implementation ofstate-of-the-artusing foundation models, prompt engineering, RAG, graphs, multi-agent architectures, as well as classical machine learning techniques.
• Fine-tunefoundation models using domain-specificdatasets. -Evaluate model behavior on relevance, bias, hallucination, and response qualityvia offline evaluations, shadow experiments, online experiments, and ROI analysis.
• Build rapid AI solution prototypes, contribute to production deployment of these solutions, debug production code, supportMLOps/AIOps.
• Contribute to papers, patents, and conference

Leveraging Researchin real-world problems

• deepexpertisein AI subfields (e.g.,deep learning, Generative AI,NLP,muti-modal models)to translatecutting-edgeresearch into practical, real-world solutions that drive product innovation and business impact.
• Share insights on industry trends and applied technologies with engineering and product teams.
• Formulate strategic plans that integratestate-of-the-art

Documentation

• Maintain clear documentation of experiments, results, and methodologies.
• Share findings through internal forums, newsletters, and demos to promote innovation and knowledge sharing

,and Security

• Ensure responsible AI practices throughout the development lifecycle, from data collection to deployment and monitoring.
• Contribute to internal ethics and privacy policies andensure responsible AIpracticethroughoutAIdevelopment cyclefrom data collectionto model development, deployment, and monitoring.

Specialty Responsibilities

• Design, develop, and integrate generative AI solutions usingfoundation models and more.
• Deep understanding ofsmall and large language models architecture, Deep learning, fine tuning techniques, multi-agent architectures, classicalML,andoptimization techniques to adapt out-of-the-box solutions toparticular businessproblems
• Prepare and analyze data for machine learning,identifyingoptimalfeaturesandaddressingdata gaps.

engineers to help achieve that mission.

cutting edgenew technologya mission

Hardware/Firmware for server, silicon, and rack infrastructureof Cobaltand Maia

with experienceSystem on Chip Architecture (SoC),ring up of SoC, root causing issuesat the intersection of multiple subsystems across firmware and hardwareanage debugging at scale forconnected fleets

Required Qualifications

• Bachelor’s or higher in Computer Science, Computer Engineering, Electronics Engineering, or similar.
• 15+ years of working experience in large scale system design & architecture, development, testing, and release and performance tuning.

• Experience with Platform initialization, Board support package (UEFI/U-Boot), integration, low level drivers for peripherals such as PCIe, I2C, eMMC, SPI, USB, UARTs as well as Memory Management, Scheduling, Interrupts,and multi-threading.

• Hands on experience in programming in C or C++

• Strong problem solving, debugging, and troubleshooting skills.

• inDesign for Debug (DFD)

Preferred Qualifications

• Familiarity with secure debug topics for ARMTrustZoneand related security architectures

• bility to triage issues across hardware, firmware, and distributed systems.

• toARM-specific debug solutions:CoreSight, Debug Access Ports (DAPs), Embedded TraceMacrocells(ETMs), System TraceMacrocells

• leveragingdeep domainexpertiseto influence product roadmap

• about exploring and deploying noble methods to improve coverage,debugging, and efficiency of our FW releases.

and/or government security screening requirementsfor this role. These requirements include but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will beto pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.

• You willarchitect scalable debug solutions forpre-silicon, post-silicon,

• You willimplement high-performance debug infrastructure includingtrace, debug interfaces(e.g., JTAG,CoreSight), and system observability pointsensuringcoverage for functionality, performance, and power metrics.

• You will be involved with all phases of product developmentincluding pre-silicon, post-silicon, and platform deployment in the datacenter.

• You willperform data exploration and root cause analysis forSoCor platform-level issues.

• You willuse telemetry and logs for triage across multiple components and services.

• You will collaborate with platform architects, firmware architects, programmanagementandcomponentdev teamsforunderstanding the technical depth of the features and definingSoC Debug Architecture,debug signalsinto Fleet systemsand defineFramework for SoC Debugging/Tools/methodologyfor End-to-end feature readiness

• Stay ahead of industry trends and ensure debug capabilities align with future SoCarchitectureand security requirements

• You willidentifyand address inefficiencies and gaps in architecture, testing, execution, etc.

• You will mentor, guide, and help peers and other team members.

• Ability to see system level “big picture” tovalidatethat the integrated firmware/system software aligns to architectural goals of product.

• Clear technical writing andcrossorginfluence; ownership of specs, reviews, and signoffs consistent with our Job Architecture expectation

Minimum Qualifications:

• Bachelor's Degree in Statistics, Mathematics, Computer Science or related field.
• OR 3+ years experience in software development lifecycle, large-scale computing, modeling, cybersecurity, and/or anomaly detection.
• 3+ years of software development/research experience utilizing knowledge of security/threat landscape Practical Windows internals knowledge (other OS experience may count).
• 1+ years of experience with Reverse Engineering: familiar with debuggers, disassemblers, protocols, file formats.

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 background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

• Master's Degree in Statistics, Mathematics, Computer Science or related field.
• OR 4+ years experience in software development lifecycle, large-scale computing, modeling, cyber-security, and/or anomaly detection.
• Offensive security research experience.
• Digital forensics skills Programming skills in C, C++, C# or willingness to learn Industry recognized author of security research papers, blogs, or books Low-level/security knowledge of other operating systems.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

Microsoft will accept applications for the role until August 21, 2025.

As a Security Researcher II, you will:

• Research emerging attack vectors and techniques.
• Analyze detection and prevention gaps and understand root cause.
• Design and develop detection, prevention and disruption solutions to thwart advanced attacks.
• Synthesize in-field telemetry to judge the state of threat coverage and share insights.
• Identify trends, foresee landscape direction and propose enhancements to meet the needs.
• Collaborate across teams to address systemic security issues.
• Guide design of AI based solutions to tackle hard security problems.

is the engine that powers our cloud services.Our infrastructure isof a large global portfolio of more than one hundred datacenters and one million servers. Our foundation is built upon and managed by a team of subject matter experts working toservices for more than one billion customers and twenty million businesses in over ninety countries worldwide.And with environmental sustainability and optimization at the forefront of our data center design and operations, we continue to grow and evolve as we meet the ever-changing business demands that hold Microsoft as a world-class cloud provider.

To help usto the Vice President of Datacenter Operations Americas.organizational initiativesto meet strategicand priorities.planning, data and analytics,program managementto be successful in this role.acumen inthe data, executive presence,influencing skills.

our culture every.

Required Qualifications:

• Bachelor's Degree in relevant field (e.g., Liberal Arts, Business Administration, Management, Computer Science) AND 8+years’ experienceinbusinessmanagement, business planning, operations management, strategy, project management, or business-related roles

• OR equivalent experience.

• yearsof experience in leadership positions,demonstratingthe ability to work closely with senior leadership andpromotecollaboration among cross-functional teams.

• 8+ years business or program management experience working in a production, mission-critical 24/7 environmentsuch as DataCenter or other Critical Environments.

Background Check 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 relevant field (e.g., Liberal Arts, Business Administration, Management, Computer Science) AND 12+years experienceinfinancial management, business planning, operations management, strategy, project management, or business-related roles
  • ORBachelor's Degreein relevant field (e.g., Liberal Arts, Business Administration, Management, Computer Science) AND 15+years experienceinfinancial management, business planning, operations management, strategy, project management, or business-related roles
  • OR equivalent experience.

• usinessacumen andunderstanding ofthedata centerindustry.

• xecutivepresence and proven ability to influence technical peers and senior leaders.

• Industry Projectmanagement, dataanalyticsand organization skills.

• desiredresults.

• collaborating across diverse groupsto drive clarity and effectiveness in rhythm of businessand delivering projects on time.

• Proactiveness and a positive outlook and approach to change management.

• usiness acumenand agility to ramp quickly across our diverse business and offerings.

• desiredresults.

• Ability to synthesize complex ideas into easy-to-understand concepts for communications. Demonstrated capability in verbal and written communications skills across a geographicallydispersed audience.

• People management experience a plus, as the role is likely to grow as the organization grows.

Business Management IC6 - The typical base pay range for this role across the U.S. is USD $130,900 - $277,200 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $165,600 - $303,600 per year.Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:Microsoft will accept applications for the role until October 17, 2025.

• rive the development and execution of therhythm of businessandmaximize use of the VP and LT’s time.
• Develop andmaintaina comprehensiveprogramroadmap aligned with Data CenterOperationsand CO+I objectives.Plan and run the monthlyprogram reviews.
• Sets business priorities for the year and focus areas for each period, in collaboration with the leader
• Drivebusiness functions to ensure the team's operating rhythm is effective.
• Drive prioritization and prepare the team for weekly leadership staff; drive content alignment across teams for executive review.
• Prioritizeand manageend-to-end businessneedstoaneffectivelyforoptimaloutcomes.
• Leverage deep knowledge of organizational strategy and planned deliverables for the upcoming year to design and track people-related budgets (training, morale, T&E, etc.).
• Providedirection and supportfor org hygiene,cultureandinclusioninitiativesin partnership with HR.
• Partner and collaborate with the extended business management community within CO+I.

Strategy Planning & Activation

• org.
• Facilitate execution of leadership team strategic planning, white papers, key results reviews, training, and organizational hygiene.
• Participate in overall group strategy decisions andassistin implementing policies and procedures to maximize team effectiveness.
• Leads multiple workstreams in conjunction with stakeholders and the leadership team (including continuous improvement processes).

Executive Communication Strategy

• Leads executive-level communications for a variety of internalandexternal audiences, from org-widecommunicationsto customer speakingengagements.
• Develop and execute anorg-wideengagement plan, including town halls and Employee Signals action plans
• Serve asanextension ofthe VP; prep the VPfor stakeholderand/orcustomer meetingsand lead work on exec presentations / white papers.

Strategic Programsand Initiatives

• Create and manage the end-to-end process for the planning and implementation of continuous improvement initiatives,automationand programs.
• Drive cross-team projects as needed to meet the changing business; create clarity on ambiguous projects and develop plans for execution.
• Establish and enforce program standards and best practices.
• Prepare and present regular status reports to executive leadership.
• Embodiment ourand.

The Copilot Mac Team is seeking passionate software engineers dedicated to continuous innovation and enhancing software performance, security, and reliability on the Mac platform. As part of our team, you will focus on improving the Copilot experience for Mac users and building their trust. You’ll work with a modern, fast-iterating codebase and collaborate closely with multiple partner teams to solve complex technical challenges. Key languages include portable C++, Objective-C, Swift, and JavaScript.

Required Qualifications:

15+ years of software development experience
10+ years of mobile development experience (iOS focus)
5+ years of experience with C++, Objective-C

Preferred Qualifications:

Cross-platform development experience (Windows, Linux, macOS) is a plus
Experience with web application development is a plus
Proven productivity and effectiveness in large codebases and/or open-source projects
Familiarity with agile development practices, including daily standups; experience as a Scrum Master is a plus

As an architect on the Copilot Mac team, you will drive the ongoing development of the product on macOS. The team is committed to delivering a consistent cross-platform experience, using data-driven methods to measure impact, reach, and reliability, while working closely with various internal teams. You will be responsible for the design, implementation, measurement, rollout, and refinement of solutions.