C# jobs in Bellevue, WA

Sr. Software Engineer (C# .NET/Azure/React/API

Remote

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Today

Title: Sr. Software Engineer (C# .NET/Azure, React, APIs, Kafka and Kubernetes) Location: REMOTE Duration: one year with possible extensions Compensation: 70-80/hr Work Requirements: , Holders or Authorized to Work in the US Job Description: Seeing a motivated Software Development professional passionate about NET/Azure development and integrations. You excel at software development and have experience in .NET, specifically C#, React, API, and Eventing. You are optimistic, proactive, analytica

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Contract, Third Party

$65 - $70

Lead Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Lead Software Developer in Test to assist the project team with driving quality-centric practices into their software development processes and will also be responsible for working closely with the project teams to guide their use of test automation assets and consult on the creation and use of new test automation. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - S

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Contract

DOE

Senior AWS Developer (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 direct client is hiring for a talented C# Developer with strong experience working with AWS services. You would be designing and coding in a variety of technologies supporting backend, APIs and Cloud systems. The ideal candidate will have experience in developement with C# as well as strong understanding of AWS infrastructure (S3, Lambdas, EC2, etc) and Terraform. This team works in an Agile Scrum environment and uses Azure DevOps (AZDO) to plan and manage delivery. This would b

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Contract

DOE

QA Engineer - Playwright and C# exp - Hybrid - Plano, TX - W2

Remote or Plano, Texas

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Today

We are seeking a skilled Senior QA Engineer to join our dynamic software development team. In this role, you will lead quality assurance initiatives across web applications and web services. You will be responsible for traditional manual/API testing, backend data verification, and building modern, reliable automated test suites. The ideal candidate blends strong foundational QA practices with modern automation expertise, possesses object-oriented coding skills, and is adept at utilizing AI-assis

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Contract

Senior C#/Angular Developer

Remote or Hybrid

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Today

Our Fortune 100 client is hiring for a Senior Fullstack Developer to focus on Angular front-end development and C# back-end to enhance capabilities. This role requires expertise in C#, .NET (back-end), Angular (v18+), JavaScript, HTML (front-end), SQL Server, and APIs. You'll analyze requirements, write and test code, support production systems, and ensure seamless software integration. Experience with Duck Creek insurance platform is a plus. This is a fully remote role foowing an ET work schedu

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Contract

DOE

.NET Full stack Engineer

Redmond, Washington

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12d ago

Role: .NET Full stack Engineer Location: Redmond, WA (Onsite) Key Skills Required C#, .NET JavaScript / TypeScript React SQL & Database Troubleshooting Microsoft Dynamics 365 Enterprise Application Support Prompt Engineering / Copilot / AI Engineering Strong troubleshooting and customer-facing support experience Preferred Skills Azure, Azure DevOps, CI/CD Power Platform REST APIs Agile Development

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Contract

Depends on Experience

Full Stack Developer (.NET / C# + React)

Remote

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5d ago

About the Role Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work. What You'll Do Design, build, and maintain backend services in C# / .NETDevelop responsive, user-f

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Full-time

$80

MANAGER - C# Software Engineering - Azure Cloud-Native Architecture

Remote

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20d ago

NO SPONSORSHIP - NO OPT Software Engineering Senior Manager - Azure Cloud SALARY: $195k - $235k plus discretionary bonus LOCATION: hybrid 3 days onsite if in Chicago Remote if in TX, MA, NY, DC, FL, CA. Target Salary Range : $195,000 - $234,400 Seeking a hands-on engineering leader with deep Azure expertise to lead a team of 5 7 engineers while driving cloud-native architecture, platform engineering, and modern software development within the Data & AI organization. Senior Engineering Manager wh

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Full-time

$195,000 - $235,000

Principal Software Architect / Software Architect (.Net/C#)

Remote

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Today

Hello; Principal Software Architect / Software Architect (.Net/C#) Long Term Job Location- Remote Core Platform C# / .NET 8 ,ASP.NET Core ,Vue.js 3 / TypeScript , SQL Server ,COBOL (legacy) Cloud & AI Amazon Web Services (AWS), Amazon Bedrock , AWS Lambda / ECS , Docker, MCP Server Architecture Architecture Domains SaS / SaaS / PaaS / Multi-Tenant ,Microservices ,API-First Design ,Event-Driven Architecture , CI/CD / DevOps Core Responsibilities Lead enterprise technical architecture for SaaS-h

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Full-time, Part-time, Contract, Third Party

C#/.NET Full Stack Developer

Remote

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Today

Seeking a Full Stack Developer to design, develop, and support modern web applications and APIs in a cloud-based environment. This role will leverage C#/.NET 8+, ASP.NET Core Web API, Entity Framework Core, AWS Lambda, React, TypeScript, and Redux Toolkit to build scalable, high-performing solutions. The ideal candidate has strong full stack development experience and enjoys working across both front-end and back-end technologies. Beacon Hill is an equal opportunity employer and individuals with

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Contract

Senior Developer (C#, C++, VB, SQL) Remote From Anywhere In Colorado

Remote or Colorado

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Today

Salary: $100,000.00 - $115,000.00 Annually Location : Statewide, CO Job Type: Full Time Job Number: EGB93608 Department: Governor's Office of Information Technology Opening Date: 08/20/2026 Closing Date: 8/25/2026 11:59 PM Mountain FLSA: Determined by Position Primary Physical Work Address: (Remote From Anywhere In CO) FLSA Status: Exempt; position is not eligible for overtime compensation. Department Contact Information: Type of Announcement: This announcement is not governed by the selection

Full-time

USD 100,000.00 - 115,000.00 per year

Senior .NET/C# Engineer - Iris AI

Remote

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Today

About Delinea: Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delinea's leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle - across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to disco

Full-time

USD 130,000.00 - 162,200.00 per year

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

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Today

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

Full-time

Software Engineer (SQL/C#)

Remote or Schenectady, New York

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Today

LTI (Logic Technology, Inc.) the "Pro People" company is a privately held technology solutions provider that offers best in class services to local, national and global organizations. Now after three decades, these initials have come to represent more than just our company name. They've also come to represent our hard earned reputation for Leadership, Technology and Integrity. At LTI, we believe confident, motivated employees produce superior work, ensuring our existing client relationships cont

Full-time

Software Engineering Intern

Seattle, Washington

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Today

Software Engineering Intern Truveta is the world's first health provider led data platform with a vision of Saving Lives with Data. Our mission is to enable researchers to find cures faster, empower every clinician to be an expert, and help families make the most informed decisions about their care. Achieving Truveta' s ambitious vision requires an incredible team of talented and inspired people with a special combination of health, software and big data experience who share our company values.

Full-time

USD 20.00 per hour

Senior Software Engineer, Search Ads

Redmond, Washington

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Today

Overview As the world shifts from traditional search to agentic, conversational experiences, Microsoft is reimagining how advertising works in an AI-first world. Are you excited to help create the next-generation ad platform - one where ads are assistive, context-aware and seamlessly integrated into Copilot driven experiences across Bing, MSN and Edge? We are the engineering team behind the Bing Search Ads and the emerging Copilot Search Ads platform. We serve billions of ad impressions daily

Full-time

Principal Software Engineer - AI Experiences, Copilot Engineering

Redmond, Washington

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Today

Overview As Microsoft continues to push the boundaries of AI we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is to enable users to get more done in their existing workflows by maximally leveraging agentic workflows. It's also inclusive: we make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. Our AI Experiences, Copilot Engineering team is at the for

Full-time

USD 142,800.00 - 274,800.00 per year

Senior Software Engineer, CoreAI

Redmond, Washington

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Today

Overview 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 Observability group is focused on developing solutions to

Full-time

USD 119,800.00 - 234,700.00 per year

Principal Engineer, Platform Engineering

Redmond, Washington

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Today

Overview Come build, from scratch, the AI-first developer platform that lets thousands of engineers ship faster and safer. We're a new Platform Engineering team building an internal developer platform, golden paths, and the developer experience for the Microsoft engineering teams behind the world's largest and most complex commerce platforms. Empower the teams that build the copilots and agents that tens of thousands of sellers, partners, and support people rely on around the world every day -

Full-time

USD 142,800.00 - 274,800.00 per year

Principal Software Engineer

Redmond, Washington

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Today

Overview As AI reshapes how software is built and defended, Microsoft Security is standing up a new Engineering Excellence organization that will define what world-class security engineering looks like in the agentic AI era. Engineering teams that lead in the AI era are organized around outcomes, built on shared platforms any team can draw from, and augmented by agents that are part of the daily workflow. Governance runs at the speed of development. This organization will build that foundation

Full-time

USD 142,800.00 - 274,800.00 per year

C# jobs in Bellevue, WA, USA