c# Jobs in seattle, wa

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Sr. Software Engineer

Visa Inc.

•

Bellevue, Washington, USA

Full-time

Company Description As the world's leader in digital payments technology, Visa's mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive. Our advanced global processing network, VisaNet, provides secure and reliable payments around the world, and is capable of handling more than 65,000 transaction messages a second. The company's dedication to innovation drives the rapid growth of connected commer
Posted 8 days ago | Updated 5 hours ago

Software Engineer - Systems, Multiple Locations

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential - and excitement for the journey ahead. We're a company of learn-it-alls rather than know-it-alls and our culture is centered around embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. Does this sound like you? Learn more about our cultural attributes . As a Software
Posted 2 days ago | Updated 5 hours ago

Software Engineer - Fullstack, Redmond

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential - and excitement for the journey ahead. We're a company of learn-it-alls rather than know-it-alls and our culture is centered around embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. Does this sound like you? Learn more about our cultural attributes . As a Software
Posted 2 days ago | Updated 5 hours ago

Software Engineer - Security, Multiple Locations

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential - and excitement for the journey ahead. We're a company of learn-it-alls rather than know-it-alls and our culture is centered around embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. Does this sound like you? Learn more about our cultural attributes . As a Software
Posted 2 days ago | Updated 5 hours ago

Principal Game Systems & Tools Engineer - Gaming AI

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Are you an experienced game engineer with a passion for building core systems and empowering creators? Do you thrive at the intersection of engine design, interactive tooling, and gameplay innovation? At Xbox Gaming AI, we are exploring emerging technology trends to craft the next era of gaming. We are venturing beyond the horizon and charting a course forward with players and creators at the center. Our goal is to define the future of Xbox by advancing our mission of bringing joy and community
Posted 13 days ago | Updated 5 hours ago

Senior Software Engineer - Backend

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Are you passionate about building high-scale, reliable, and intelligent cloud services? The Microsoft Teams Core Services team powers the foundation of one of Microsoft's fastest-growing products, serving over 330 million users around the world. As part of our team, you'll help develop resilient infrastructure that supports hyper-scaling, powers expansion into specialized clouds, and upholds the service fundamentals of performance, availability, and security. You'll be part of a high-energy, col
Posted 3 days ago | Updated 5 hours ago

Core OS Software Engineer II

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Storage is experiencing incredible innovations right now. The innovations of storage technologies and cloud connected devices are having a profound effect on every area of Microsoft's business. Storage devices are getting larger in capacity, faster in performance and intelligence at an astounding rate; our customers are expecting seamless experiences across devices and across local and cloud boundaries. Come and join the team that builds the platform and end user experiences for storage across W
Posted 17 hours ago | Updated 5 hours ago

Sr. Software Engineer

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 54 days ago | Updated 5 hours ago

Software Engineer 2 - Xbox Graphics

Microsoft Corporation

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Redmond, Washington, USA

Full-time

The Xbox Graphics team is on the lookout for passionate Software Engineer 2 - Xbox Graphics eager to push the boundaries of state-of-the-art graphics systems, engineering systems, and device drivers. Our dynamic and diverse team operates at the cutting edge of hardware and software, delivering industry-leading game development technology. By collaborating closely with hardware engineers and top-tier game developers, we are shaping the future of graphics and game development. If you thrive on ma
Posted 7 days ago | Updated 5 hours ago

Software Development Engineer - Arena Content Engineering

Hasbro Inc.

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Renton, Washington, USA

Full-time

At Wizards of the Coast, we connect people around the world through play and imagination. From our genre-defining games like Magic: The Gathering and Dungeons & Dragons to our growing multiverse, we continue to innovate and build new ways to foster friendship and connection. That's where you come in! The Magic: The Gathering Arena team is looking for a Software Engineer to provide technical expertise for our Content Engineering team. As a live game we ship new updates almost every week, and a
Posted 43 days ago | Updated 5 hours ago

Software Engineer II

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

OneDrive and SharePoint (ODSP) are rapidly growing services at the center of Microsoft's cloud, interacting with almost every part of Microsoft. You would be a part of a team that is fundamentally changing the way that millions of people use their devices and interact with the most important content for their home, work, and school. In this team, you will work on a platform that enables "ultimate" Progressive Web Applications that will make web applications faster, resilient to transient servic
Posted 17 hours ago | Updated 5 hours ago

Senior Cloud Security Engineer - Magic Arena

Hasbro Inc.

•

Renton, Washington, USA

Full-time

At Hasbro, our mission is to entertain and connect generations of fans through the wonder of storytelling and exhilaration of play. We're looking for adventurous and curious people who want to explore, experiment, and innovate to come up with the best ideas. Our culture has inspired our diverse team of highly skilled, highly creative, and highly committed individuals for 100 years and we believe the best is yet to come. At Wizards of the Coast, we connect people around the world through play an
Posted 43 days ago | Updated 5 hours ago

Software Engineer II - Backend

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Microsoft Teams is the fastest-growing product in Microsoft's history, empowering over 330 million users globally to connect and collaborate. The Teams Core Services team builds and operates the foundational backend systems that power these experiences - from global user communication to secure tenant separation and cloud compliance. As part of our team, you'll help build reliable, scalable services that support hyper-growth, specialized cloud environments, and enterprise-grade collaboration sce
Posted 3 days ago | Updated 5 hours ago

Software Engineer II (Core AI)

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Core AI is at the forefront of Microsoft's mission to redefine how software is built and experienced. We are responsible for building the foundational platforms, services, programming models, and developer experiences that power the next generation of applications using Generative AI. Our work enables developers and enterprises to harness the full potential of AI to create intelligent, adaptive, and transformative software. The Agentic Core Services Team is responsible for building the cloud-na
Posted 17 hours ago | Updated 5 hours ago

Sr. Application Security Engineer

SpaceX

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Redmond, Washington, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. APPLICATION SECURITY ENGINEER (STARLINK) At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the world'
Posted 40 days ago | Updated 5 hours ago

Software Engineer - AI/ML, Multiple Locations

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential - and excitement for the journey ahead. We're a company of learn-it-alls rather than know-it-alls and our culture is centered around embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. Does this sound like you? Learn more about our cultural attributes . As a Software
Posted 2 days ago | Updated 5 hours ago

Senior Software Engineer-Office Growth and Experiences

Microsoft Corporation

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Redmond, Washington, USA

Full-time

The Office Growth and Experiences team (OGX) is an experienced and highly passionate group at Microsoft that builds and maintains end-to-end ownership of Office across all platforms. E mpowering developers with exceptional opportunities for ownership, autonomy, and professional growth as we tackle complex problems across Windows, Mac, iOS, and Android . OGX is responsible for a wide breadth of areas including best-in-class UX, next-gen collaboration, business-critical fundamentals, and driving u
Posted 5 days ago | Updated 5 hours ago

Software Engineer II - Finance Data & Experiences

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Ready to shape the future of how Microsoft operates its ~$250B+ business portfolio? Are you passionate about AI, data, and transformative user experiences? Do you bring energy, curiosity, and a deep sense of ownership to your work? The Finance Data & Experiences (FD&E) organization is on a mission to redefine how Microsoft measures, monitors, and optimizes its global business - and we're looking for top talent to join us. This is a unique opportunity to lead with bold ideas, apply cutting-edge
Posted 17 hours ago | Updated 5 hours ago

Software Engineer II - Virtualization and Kernel

Microsoft Corporation

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Redmond, Washington, USA

Full-time

The Virtualization Core Platform hypervisor team is looking for a talented, highly motivated software engineer to work on foundational components of the Microsoft virtualization stack. We are looking for enthusiastic candidates who can learn quickly and are skilled at design and coding at a systems level (e.g., kernel, hypervisor, firmware). Have you used Hyper-V today? Have you used Windows 11 today? How about Azure, or Copilot? Millions of users interact with Hyper-V daily. Hyper-V is the ba
Posted 2 days ago | Updated 5 hours ago

Software Engineer II - Teams

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Microsoft Teams is the fastest-growing product in Microsoft's history, empowering over 330 million users globally to connect and collaborate. The Teams Core Services team is responsible for foundational services, underlying platforms, and key service fundamentals. The team plays a vital role in the Teams backend by developing resilient infrastructure to support hyper-scaling, enable expansion into various specialized clouds, and ensure secure and efficient build and release processes. As a Soft
Posted 1 day ago | Updated 5 hours ago