c# Jobs in seattle, wa

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Staff Software Engineer (.NET, C#)

Visa Inc.

•

Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 51 days ago | Updated 2 hours ago

Early in Career Windows Software Engineer (C++, C#)

Rockwell Automation

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Remote or Phoenix, Arizona, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 11 days ago | Updated 2 hours ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 18 days ago | Updated 2 hours ago

Sr. Software Developer - C#/WPF for UI/UX Development

Esri

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Remote

Full-time

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr
Posted 60+ days ago | Updated 2 hours ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

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Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 2 hours ago

Dynamics 365 Developer

Ziply Fiber

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Seattle, Washington, USA

Full-time

At Ziply Fiber, our mission is to elevate the connected lives of our communities every day. We are delivering the fastest home internet in the Northwest, with a focus on areas traditionally underserved by mainstream internet companies. And as our state-of-the-art fiber network expands in WA, OR, ID and MT, so does our need for team members who can help us grow and realize our goals. We may be building internet, but we are reaching real people. We strive to build relationships and provide custom
Easy Apply
Posted 20 days ago | Updated 20 days ago

Software Engineering IC4

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Microsoft Azure Edge + Platform (E+P) is a globally distributed team of engineers, architects, program managers, product managers, business program managers, business administrators, user experience researchers and designers who are responsible for the platform for Microsoft and for delivering Microsoft's edge vision. We create the most reliable and trustworthy OS and platform services to empower Microsoft and our customers to achieve more. We unlock the next wave of opportunity at the edge thro
Posted 3 days ago | Updated 2 hours ago

Principal Software Engineer - Gaming

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Come help build the next evolution in Xbox Game Compatibility. Join the Xbox Platform team and leverage your system engineering experience to advance the future of Game Preservation. Your work will help identify and outline the specific requirements and technical boundaries for preserving game content, build scalable emulation solutions, and ensure a fun gameplay experience for all players. Our technology solutions are a critical part of enabling the Xbox goal of allowing players to continue to
Posted 13 days ago | Updated 2 hours ago

Dot net

ISite Technologies Inc

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Seattle, Washington, USA

Contract, Third Party

Dev: ASP .NET, .NET Core, C#, Generics, Delegates, Events Web Services WCF, REST, Web APIs, ADO.NET Azure Resources : Azure Managed Identity, Service Bus, App Services, Function Apps, WebApps AI/ML Skills- Python, Agentic AI, MCP, Azure Open AI or relevant experience. Test: XUnit / NUnit / MSTest Must Have: Strong Experience with.Net Core. Development, enhancements, maintenance, migrations. Strong Experience of SQL coding guidelines, best practices etc. Strong Experience of CICD toolset: VSO/TFS
Easy Apply
Posted 2 days ago

Senior Software Engineer - Gaming

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Come help build the next evolution in Xbox Game Compatibility. Join the Xbox Platform team and leverage your system engineering experience to advance the future of Game Preservation. Your work will help identify and outline the specific requirements and technical boundaries for preserving game content, build scalable emulation solutions, and ensure a fun gameplay experience for all players. Our technology solutions are a critical part of enabling the Xbox goal of allowing players to continue to
Posted 6 days ago | Updated 2 hours ago

Software Development Engineer 3 (Unreal Engine)

Kforce Technology Staffing

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Redmond, Washington, USA

Contract

RESPONSIBILITIES: Kforce has a client in Redmond, WA that is seeking a Software Development Engineer 3 responsible for improving and fixing issues impacting game stability and developer workflows, including data validation, test automation and Unreal Engine upgrade integrations. Responsibilities: * Expand and maintain data validation systems * Implement data validation telemetry * Improve validation performance * Add new validators and improve content creator workflows * Engine stability and m
Posted 4 days ago | Updated moments ago

Senior Software Engineer - Backend

Microsoft Corporation

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Redmond, Washington, USA

Full-time

As a Senior Software Engineer - Backend in IC3 (Intelligent Conversation and Communications Cloud) team, you enpower Microsoft's first-party real-time conversation products, notably Skype and Teams with many millions of users, by providing reliable and high-quality audio and video calling, meetings, and chat services that work every time, from anywhere, on any device. And we expose our core capabilities to third-party partners, with which they can bring conversations to life in their own produc
Posted 13 hours ago | Updated 2 hours ago

Software Engineer 2

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

The AI Frameworks team at Microsoft develops AI software that enables running AI models everywhere, from world's fastest AI supercomputers, to servers, desktops, mobile phones, IoT devices, and internet browsers. We collaborate with our hardware teams and hardware partners to build the software stacks for novel AI accelerators. We work closely with ML researchers and developers to optimize and scale out model training and inference. The team operates at the intersection of AI algorithmic innova
Posted 1 day ago | Updated 2 hours ago

Senior Software Engineer - Microsoft Teams Core Services

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Are you interested in working for one of the most exciting teams at Microsoft? Then look no further than Microsoft Teams Core Services team. As a Senior Software Engineer, you will be building secure, resilient, highly available, highly scalable services and systems that leverage state-of-the-art technologies to deliver the next gen collaboration and teamwork experiences. The Core Services team is responsible for the foundational services of Microsoft Teams serving billions of calls per day to
Posted 13 hours ago | Updated 2 hours ago

Senior Software Engineer - Windows Fundamentals

Microsoft Corporation

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Redmond, Washington, USA

Full-time

The Windows + Devices Fundamentals (W+D) team is responsible for the reliability, performance, battery life and sustainability of Windows devices. Our work touches the full stack of hardware and OEM partners, the operating system as well as the application layers to protect, manage and improve the Fundamentals of the Windows ecosystem. We are seeking a Senior Software Engineer - Windows Fundamentals to help us shape the next wave of innovations to optimize battery life on Windows devices. As we
Posted 7 days ago | Updated 2 hours ago

Software Engineer II - Microsoft Teams Core Services

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Are you interested in working for one of the most exciting teams at Microsoft? Then look no further than Microsoft Teams Core Services team. As a Software Engineer II, you will be building secure, resilient, highly available, highly scalable services and systems that leverage state-of-the-art technologies to deliver the next gen collaboration and teamwork experiences. The Core Services team is responsible for the foundational services of Microsoft Teams serving billions of calls per day to powe
Posted 4 days ago | Updated 2 hours ago

Software Engineer II-PowerPoint

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Are you passionate about building services that operate at massive scale? Do you thrive on solving complex engineering challenges and delivering elegant, high-impact solutions? Come join the PowerPoint team and help shape the future of how billions of people communicate their ideas. We're looking for engineers who thrive on running services at scale, care deeply about performance, reliability, and security, and are eager to ship high-quality code that makes a global impact. You'll join a collab
Posted 6 days ago | Updated 2 hours ago

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 7 days ago | Updated 2 hours ago

Software Engineer - Systems, 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 1 day ago | Updated 2 hours ago

Software Engineer - Fullstack, Redmond

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 1 day ago | Updated 2 hours ago