Overview Microsoft is a company where passionate innovators come to collaborate, envision what can be and take their careers further. This is a world of more possibilities, more innovation, more openness, and the sky is the limit thinking in a cloud-enabled world. Microsoft’s Azure Data engineering team is leading the transformation of analytics in the world of data with products like databases, data integration, big data analytics, messaging & real-time analytics, and business intelligence. The products our portfolio include Microsoft Fabric, Azure SQL DB, Azure Cosmos DB, Azure PostgreSQL, Azure Data Factory, Azure Synapse Analytics, Azure Service Bus, Azure Event Grid, and Power BI. Our mission is to build the data platform for the age of AI, powering a new class of data-first applications and driving a data culture. Within Azure Data, the databases team builds and maintains Microsoft's operational Database systems. We store and manage data in a structured way to enable multitude of applications across various industries. We are on a journey to enable developer friendly, mission-critical, AI enabled operational Databases across relational, non-relational and OSS offerings. Azure DocumentDB is a fully managed, open source, MongoDB compatible document database service designed for modern, cloud native applications. Built on the open source DocumentDB engine and backed by the power of Azure, it delivers predictable low latency performance, flexible data modeling and seamless horizontal, vertical, and storage scaling. We are hiring a senior software engineer with deep expertise in database internals and systems design to help extend PostgreSQL to power large scale document workloads. As part of the DocumentDB engine team, you will design and develop foundational features across the query, indexing subsystem and storage layer to power mission critical workloads running on Azure. We do not just value differences or different perspectives. We seek them out and invite them in so we can tap into the collective power of everyone in the company. As a result, our customers are better served. Responsibilities - Lead deep work on PostgreSQL internals (index access methods, operator classes) to design, implement and evolve indexing strategies for largescale unstructured / semi-structured data. - Extend PostgreSQL’s query engine by analyzing execution plans, introducing BSON aware operators, custom scan nodes and new cursor/continuation semantics to match NoSQL query needs and ensure efficient execution at scale. - Design and tune index pruning strategies that keep large tables and indexes lean without regressing query performance. - Collaborate across the PostgreSQL, MongoDB, and Linux Foundation hosted DocumentDB communities to share vision, align on roadmap priorities, and contribute features that advance the open source DocumentDB engine. - Profile and analyze distributed system to identify performance bottlenecks. - Conduct and participate in design/code reviews and help shape and steer the team coding guidelines. - Embody our culture and values Qualifications Required Qualifications: 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. Additional 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/Additional Qualifications - Experience with internals of PostgreSQL or similar Enterprise Database Management system, including Storage Engine and High Availability. - Experience building Distributed Systems with strong guarantees. - 2+ years of experience in designing, developing and shipping system level features in a large-scale cloud application or a backend distributed syste - 2+ years of experience developing and maintaining high-performance libraries or software engineering with a focus on large distributed systems involving concurrency, storage systems or databases. #azdat #azuredata #documentdb #postgresql #postgres #databases 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: https://careers.microsoft.com/us/en/us-corporate-pay This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. 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 requesting accommodations.

Overview The Azure Compute team builds a fault-tolerant, distributed system on top of commodity datacenter hardware to deliver infrastructure for hosting cloud applications in virtual machines (VMs). The team creates the illusion that resources are limitless, infinitely elastic, and always available. This role is part of the Availability Platform team within Azure Compute, which focuses on ensuring every Azure virtual machine achieves a Service Level Agreement (SLA) of 99.99 percent or higher. Meeting this target requires innovative thinking, data-driven decisions, and intelligent automation. The team owns services that monitor the health of millions of Azure machines and the control plane services that make repair decisions. We use artificial intelligence (AI) and machine learning to build predictive failure models that proactively live-migrate virtual machines before failures occur, minimizing customer impact and improving platform resilience. We are exploring generative artificial intelligence to enhance diagnostics, automate root cause analysis, and accelerate incident resolution. Collaboration with data scientists and AI researchers enables us to continuously evolve the platform with smarter, self-healing capabilities. As a Senior Software Engineer, you will join a team that emphasizes comprehensive designs, incremental development with high quality, frequent shipping, and rapid adaptation to customer feedback. This role offers hands-on experience with services architecture at hyperscale while pushing the boundaries of scale, reliability, availability, and efficiency. 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 - Partners with appropriate stakeholders spanning across teams and orgs to determine project requirement. Leads the design and architecture of change management features and services in Azure Compute - Identifies dependencies and authors design documents for features and services.Leverages expertise with appropriate stakeholders to develop project plans, release plans, and work items. - Develops high quality, extensible, maintainable code and coaches others to do the same.Supports livesite as Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions. - Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.  - Collaborates with data scientists and ML engineers to design and integrate predictive models that proactively detect hardware anomalies and trigger live migrations, improving VM uptime and SLA compliance.Leads initiatives to embed AI-driven diagnostics and root cause analysis into availability services, reducing time-to-resolution for incidents and improving operational efficiency. - Drives the adoption of generative AI tools to automate documentation, incident summaries, and engineering workflows, enhancing team productivity and knowledge sharing.Partners with platform teams to build intelligent observability pipelines that leverage anomaly detection and trend analysis for early warning systems. - Evaluates and integrates large-scale AI models into control plane services to enable smarter, context-aware repair decisions across millions of Azure VMs. Qualifications Required Qualifications - 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. 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 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. #azurecorejobs 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: https://careers.microsoft.com/us/en/us-corporate-pay This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. 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 requesting accommodations.

Overview Microsoft Azure is developing one of the fastest networks in the public cloud. We are looking for individuals with a interest in kernel technologies, software development, and network systems who enjoy taking ideas from concept to production. The Azure Host Software-Defined Accelerated Networking (SDAN) team builds the host platform that enables Software-Defined Networking (SDN) controllers to perform packet manipulation and virtualization at high speeds. This includes developing platform drivers and managing the underlying hardware to support network acceleration as speeds scale from 40 gigabits per second to 400 gigabits per second and beyond. As a Principal Software Engineer on the Azure Host Networking team, you will deliver software-defined networking capabilities using technologies such as Single Root Input/Output Virtualization (SRIOV), Data Plane Development Kit (DPDK), Linux network acceleration, Remote Direct Memory Access (RDMA), and containers. You will work with state-of-the-art hardware acceleration to build reliable, high-performance, cloud-scale SDN solutions that support diverse scenarios across industries including finance and artificial intelligence. Collaboration with other Microsoft teams, hardware partners, and Linux distribution communities will be essential. This role offers opportunities for technical leadership and innovation in a fast-paced environment. You will contribute to the evolution of cloud networking and help shape the future of infrastructure at scale. 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 - Partners with appropriate stakeholders to determine user requirements for a set of scenarios. - Leads identification of dependencies and the development of design documents for a product, application, service, or platform. - Leads by example and mentors others to produce extensible and maintainable code used across products.Leverages subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to drive multiple group's project plans, release plans, and work items. - Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions. - Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers. Qualifications Required Qualifications: - Bachelor'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 or C++ - OR equivalent experience. - 5+ years experience with Windows Server OS or Linux networking stack internals. - 5+ years experience with performance optimization of systems software. Other Qualifications: - 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: - Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C or C++ - OR Master'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 or C++ - OR equivalent experience. - 5+ years experience with Hyper-V and network virtualization subsystems. #azurecorejobs Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 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 $188,000 - $304,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. 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 requesting accommodations.

Overview Would you be excited about building a global-scale, Kubernetes-based service platform that powers Microsoft's productivity workloads? Do you want to lead a team of talented and motivated engineers who use cutting-edge technology and best practices to deliver high-quality solutions? Are you passionate about making distributed systems secure? Do you want to challenge yourself by taking on a role to be a security leader for entire COSMIC? If so, join us on the COSMIC team and help us shape the future of Microsoft's cloud infrastructure. The COSMIC team, part of the M365 Substrate Core organization, has a bold mission to standardize how we deliver services and build a modern Kubernetes-based compute fabric with turn-key geo-presence, security, high availability, fault isolation and automated cloud build out. COSMIC, which stands for Containers on Substrate-Managed Intelligent Clusters, is a strategic bet we are making to modernize our compute platform and improve the agility, security, compliance, and COGS of our services in the Experience and Devices division. We are seeking a Senior Software Engineer - M365 Core to help us take the platform to the next level and deliver on our promises of fabric unification and turn-key developer experience. You will partner closely with security, privacy, compliance, and platform teams to embed security into COSMIC. As a Senior Software Engineer - M365 Core you will be working on design, implementation of security related features. You will collaborate with other COSMIC teams and other orgs as security spreads across the orgs. This opportunity will allow you to accelerate your career, develop new skills, and become a security expert in distributed systems. This is a flexible work opportunity and there is an option to work fully remotely. 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 - Collaborates with appropriate stakeholders to determine user requirements for a scenario. - Drives identification of dependencies and the development of design documents for a product, application, service, or platform. - Creates, implements, optimizes, debugs, refactors, and reuses code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI). - Leverages subject-matter expertise of product features and partners with appropriate stakeholders (e.g., project managers) to drive a workgroup's project plans, release plans, and work items. - Acts as a Designated Responsible Individual (DRI) and guides other engineers by developing and following the playbook, working on call to monitor system/product/service for degradation, downtime, or interruptions, alerting stakeholders about status and initiates actions to restore system/product/service for simple and complex problems when appropriate. - Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale. - Ensures compliance with Microsoft security standards, including SDL, secure coding practices, and data handling policies - Supports secure operational practices, including zero-trust principles, certificate rotation, secure deployment, and end‑to‑end validation Qualifications Required Qualifications: - 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. 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 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. - Experience designing, building, or contributing to cloud-based services or distributed systems. - Demonstrated strength in technical design, architecture, and systems-level thinking. - Experience working with one or more security-related areas, such as secrets management, threat modeling, vulnerability mitigation, key or certificate management, or identity and access systems. #M365Core 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: https://careers.microsoft.com/us/en/us-corporate-pay This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. 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 requesting accommodations.