Microsoft Careers Stage

Applied Scientist II / Senior Applied Scientist

2025-12-18

United States, Massachusetts, Boston +4 more

3 days / week in-office

Overview The CoreAI Platform and Tools organization is building transformative experiences that leverage the latest AI technology while upholding Microsoft’s commitment to ethical and responsible standards for Artificial Intelligence. The Responsible AI (RAI) service components you build will be accessed by hundreds of millions of consumers across the globe and will touch all facets of Artificial Intelligence. The Responsible AI team within this division is looking for an experienced Applied Scientist II and a Senior Applied Scientist with a proven track record to help tackle the challenges of enabling customers to leverage the latest advancements in AI responsibly. Responsibilities <ul style="margin-bottom: 0in; margin-top: 0px;"><li style="margin: 0in 0in 0in 0px; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;">Conduct supervised fine-tuning of LLMs, applying Reinforcement Learning from Human Feedback in the process, and conducting thorough evaluation of those.</li><li style="margin: 0in 0in 0in 0px; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;">Work with tech lead on the design and implementation of Agent adversarial evaluations and safety mitigations, enabling agent creators to identify potential risks and apply appropriate safeguards to ensure the safety and security of Agents. </li><li style="margin: 0in 0in 0in 0px; line-height: normal; font-size: 12pt; font-family: Aptos, sans-serif;">You will collaborate closely with the Responsible AI engineering team to deliver these mitigations at scale for Responsible AI customers, refine existing implementations based on operational performance, and troubleshoot and resolve end-to-end issues. </li></ul> Qualifications Required Qualifications:<ul style="margin-bottom: 0in; margin-top: 0px;"><li style="margin: 0in 0in 0in 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Bachelor's Degree in Computer Science, Computational Linguistics, or related field AND 2+ years related experience (e.g., statistics, predictive analytics, research) </li><li style="margin: 0in 0in 0in 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">OR Master's Degree in Computer Science, Computational Linguistics, or related field AND 1+ year(s) related experience (e.g., statistics, predictive analytics, research) </li><li style="margin: 0in 0in 0in 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">OR Doctorate in Computer Science, Computational Linguistics, or related field </li><li style="margin: 0in 0in 8pt 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">OR equivalent experience.</li></ul> 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:<ul><li style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.</li></ul> Preferred Qualifications:<ul style="margin-bottom: 0in; margin-top: 0px;"><li style="margin: 0in 0in 0in 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Master's Degree in Computer Science, Computational Linguistics, related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR Doctorate in Computer Science, Computational Linguistics, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research) OR equivalent experience.</li><li style="margin: 0in 0in 8pt 0px; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">2+ years of science experience owning feature design, model development, evaluation and deployment.</li></ul><ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">3+ years of science experience owning feature design, model development, evaluation and deployment. Full stack (client-to-service) development experience is a plus. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Rich experience in machine learning, particularly in NLP and deep learning. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Experience with language model training and evaluation is a big plus. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Experience with research in Responsible AI is a big plus. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Proficiency in programming languages such as Python, C#, and familiarity with machine learning frameworks including PyTorch and Triton. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Experience with data processing and handling large datasets. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Experience in engineering methodologies: Unit testing, Test Driven Development, DevOps, and a firm commitment to quality. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Solid platform/API design, debugging and data analysis skills. </li><li style="margin-top: 0in; margin-right: 0in; margin-bottom: 8pt; line-height: 115%; font-size: 10pt; font-family: arial, helvetica, sans-serif;">Ability to work collaboratively in a team and communicate complex concepts effectively.</li></ul> #coreai Applied Sciences IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 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 $131,400 - $215,400 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: <a href='https://careers.microsoft.com/us/en/us-corporate-pay'>https://careers.microsoft.com/us/en/us-corporate-pay</a> Applied Sciences IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: <a href='https://careers.microsoft.com/us/en/us-corporate-pay'>https://careers.microsoft.com/us/en/us-corporate-pay</a> This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. <hr> 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 <a href="https://careers.microsoft.com/v2/global/en/accessibility.html">requesting accommodations.</a>

See details

Software Engineer II: Microsoft AI Development Acceleration Program

2025-12-18

United States, Massachusetts, Cambridge +1 more

3 days / week in-office

Overview Come build community, explore your passions, and do your best work at Microsoft. This opportunity as a Software Engineer will allow you to bring your aspirations, talent, potential and excitement for the journey ahead.  Microsoft is dedicated to transforming Azure into a global AI supercomputer, enabling the responsible development of cutting-edge foundational AI. This includes large language models (LLMs) designed to empower people to harness the world's knowledge, revolutionize interactions with technology, and enhance user experiences.  To solidify our leadership in AI, Microsoft has launched a groundbreaking program to develop the next generation of leaders in this field. Over the course of two years, participants will work in interdisciplinary project teams to provide AI as a service to engineering teams across Microsoft and solve some of our most exciting and challenging problems. In addition, you will have mentors, exposure to leaders, and access to numerous AI applied scientists, researchers, and engineers across the company. After completing the program, participants have the opportunity to join one of the sponsoring product teams and further accelerate their careers at Microsoft.  MAIDAP Software Engineer II's have the opportunity to leverage and implement cutting-edge AI technology to meet product needs, advancing the state-of-the-art both internally and externally. They act as the bridge between research and development (R&D), blending techniques from both domains to drive data-driven, research-based innovation from theory into practice. This role involves close collaboration with product managers and applied scientists in MAIDAP, and partnering product and technology teams across Microsoft.  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.  Please note that this position has a single start date in July 2026, candidates must be available to start full-time in July 2026. Unfortunately, we cannot accommodate earlier start dates. #EiP #Maidap Responsibilities <ul><li>Participate in the design and the implementation of AI solutions for Microsoft’s products and services.  </li><li>Test and review all new and modified code and data pipelines. Build out new API infrastructure, endpoints, and data pipelines, as necessary.  </li><li>Build reporting and monitoring mechanisms into our solutions.  </li><li>Analyze technology industry and market trends and choose their potential impact on the solutions.  </li><li>Develop patterns, standards, and guidelines necessary to uphold our design principles and maintain integrity of the product architecture. </li><li>Participate in key project design reviews.  </li><li>Collaborate with partner teams for code integration and with product managers to translate functional requirements into working solutions.  </li><li>Patent and publish relevant IP and scientific research.</li></ul> Qualifications Required Qualifications:  <ul><li>Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.</li></ul>Preferred Qualifications:  <ul><li>Candidates must be available to start full-time in July 2026. </li><li>Master's Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. </li><li>Experience in database systems and systems engineering.  </li><li>Experience in designing and developing high-scale distributed systems is a plus.  </li><li>Knowledge of cloud environments, machine learning, data visualization, and AI is a plus.</li><li>Energized by creating AI solutions that can positively impact the work and lives of millions of people and excited by the prospect of working on a wide variety of datasets and AI applications, across many products and engineering teams.   </li></ul> Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 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 $131,400 - $215,400 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: <a href='https://careers.microsoft.com/us/en/us-corporate-pay'>https://careers.microsoft.com/us/en/us-corporate-pay</a> This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. <hr> 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 <a href="https://careers.microsoft.com/v2/global/en/accessibility.html">requesting accommodations.</a>

See details

Senior Software Engineer

2025-12-17

United States, Massachusetts, Boston +2 more

3 days / week in-office

Overview <div>The Artificial Intelligence Frameworks team at Microsoft develops AI software that enables running AI models everywhere, from the world’s fastest AI supercomputers, to servers, desktops, mobile phones, IoT devices and internet browsers. We collaborate with our hardware teams and partners, both internal and external, and operate at the intersection of AI algorithmic innovation, purpose built AI hardware, systems, and software. We are a team of highly capable and motivated people that pride themselves on a collaborative and inclusive culture. </div><div>We own inference performance of OpenAI and other state-of-the-art LLM models and work directly with OpenAI on the models hosted on the Azure OpenAI service serving some of the largest workloads on the planet with trillions of inferences per day in major Microsoft products, including Office, Windows, Bing, SQL Server, and Dynamics. </div><div>As a Senior Software Engineer on the team, you will drive innovation across the AI software stack with a strong focus on high performance inference systems. You will lead benchmarking and optimization of state-of-the-art LLMs across GPUs and Microsoft’s custom AI hardware, architect improvements to largescale serving pipelines, and diagnose complex performance bottlenecks across distributed systems. You will own critical metrics, design and implement robust optimizations, and partner closely with research, hardware, and production teams to ship cutting edge capabilities into Microsoft’s most heavily used AI workloads—directly influencing Azure’s efficiency and Microsoft’s next generation of AI infrastructure. </div><div>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. </div> Responsibilities <div><ul style="list-style-type: disc;" role="list"><li role="listitem" data-aria-level="1" data-aria-posinset="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-listid="14" data-font="Symbol" data-leveltext="" aria-setsize="-1">Software development in C++, Python, and other languages for specialized accelerators and host systems. </li></ul></div><div><ul style="list-style-type: disc;" role="list"><li role="listitem" data-aria-level="1" data-aria-posinset="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-listid="14" data-font="Symbol" data-leveltext="" aria-setsize="-1">Software design, development and optimization to execute AI workloads at the cloud scale </li></ul></div><div><ul style="list-style-type: disc;" role="list"><li role="listitem" data-aria-level="1" data-aria-posinset="3" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-listid="14" data-font="Symbol" data-leveltext="" aria-setsize="-1">Co-design with hardware partner teams on HW/SW interfaces. </li></ul></div><div><ul style="list-style-type: disc;" role="list"><li role="listitem" data-aria-level="1" data-aria-posinset="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-listid="14" data-font="Symbol" data-leveltext="" aria-setsize="-1">Design and code review of peer work. </li></ul></div> Qualifications <div>Required Qualifications: </div><div><ul><li>Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.</li></ul></div><div>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:<ul><li>Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.</li></ul> Preferred Qualifications: </div><div><ul><li>Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.</li><li>PhD Degree in Computer Science or related technical field AND 1+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript.</li><li>1+ year of experience with Large Language Models (LLMS) and large scale execution on AI workloads.</li><li>3+ years of technical design, problem solving, and debugging skills.</li></ul></div> Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: <a href='https://careers.microsoft.com/us/en/us-corporate-pay'>https://careers.microsoft.com/us/en/us-corporate-pay</a> This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. <hr> 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 <a href="https://careers.microsoft.com/v2/global/en/accessibility.html">requesting accommodations.</a>

See details

Search for similar jobs