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Top C# Jobs in Seattle, WA

135+ Job Results
5 Hours Ago
Seattle, WA
Remote
3,300 Employees
3-5 Years of Experience
3,300 Employees
3-5 Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer on the Workers Core Platform team at Cloudflare, you will design, build, and support large-scale customer facing systems using various languages and technologies. You will drive projects from idea to release and interact with a diverse tech stack. This role requires at least 3 years of professional experience in software development.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
5 Hours Ago
Seattle, WA
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
As a Senior Software Engineer at Cloudflare, you will be instrumental in defining and building the future of D1, Cloudflare's first serverless database. You will enable developers to build full-stack applications and work on high-volume SaaS applications. Required skills include JavaScript, Typescript, and knowledge of modern programming languages like Go, Java, C#, Rust, or C++.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
2 Days Ago
Seattle, WA
Remote
10,000 Employees
150K-245K Annually
7+ Years of Experience
10,000 Employees
150K-245K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
Join the cloud backend team in the Platform product group working on authentication and authorization for a global leader in cybersecurity. Lead backend engineering efforts, leverage cloud systems to detect targeted attacks, mentor team members, and contribute to scalability and architecture improvements.
3 Days Ago
Seattle, WA
20,000 Employees
131K-184K Annually
3-5 Years of Experience
20,000 Employees
131K-184K Annually
3-5 Years of Experience
eCommerce • Healthtech • Pet • Retail • Pharmaceutical
Actively participate in the design, development, testing, and implementation of software functionality using Agile methodology. Collaborate with business and technology teams to enhance features and ensure technical solutions are scalable and reliable. Review code and provide feedback to improve solutions. Bachelor's degree in Computer Science or related field and 3 years of experience required. Proficiency in Java, Kotlin, C++, or C# and experience in web, Cloud, and web-server technologies essential.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+45 More
3 Days Ago
Seattle, WA
2,700 Employees
159K-210K Annually
7+ Years of Experience
2,700 Employees
159K-210K Annually
7+ Years of Experience
eCommerce • Fintech • Payments • Software • Financial Services
Oversee the technical vision, strategy, and systems of the privacy engineering team. Design and implement data privacy-enhancing features, tooling, and mechanisms, ensuring compliance with relevant privacy regulations. Develop tech privacy procedures and guidelines. Work with cross-functional teams to build software for privacy. Collaborate with security teams. Design for technical scale and implement privacy systems through code.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+48 More
5 Days Ago
Seattle, WA
Remote
200 Employees
7+ Years of Experience
200 Employees
7+ Years of Experience
Consumer Web • HR Tech
Looking for a dynamic Staff Engineer with 10+ years of .NET development experience to lead large-scale architecture initiatives and build Platform services at a fast-growing tech company. Must have expertise in developing on public cloud platforms and a track record of successful large-scale projects.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+14 More
6 Days Ago
Seattle, WA
Remote
364,000 Employees
5-7 Years of Experience
364,000 Employees
5-7 Years of Experience
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
Lead the design, development, and implementation of generative AI solutions. Collaborate with cross-functional teams to translate business requirements into technical specifications. Architecting high-quality, scalable, and efficient software systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+66 More
Yesterday
Seattle, WA
148,000 Employees
112K-239K Annually
7+ Years of Experience
148,000 Employees
112K-239K Annually
7+ Years of Experience
Software
Seeking a Senior Software Engineer to join the Azure Networking Datapath team at Microsoft Azure. Responsibilities include collaborating with stakeholders, designing and developing network systems and services, optimizing and debugging code for performance, and leading projects with other teams. Required qualifications include a Bachelor's Degree in Computer Science and 4+ years of technical engineering experience.
2 Days Ago
Seattle, WA
1,248 Employees
124K-227K Annually
7+ Years of Experience
1,248 Employees
124K-227K Annually
7+ Years of Experience
AdTech
Lead Senior/Staff Software Engineer role at The Trade Desk, responsible for building new features, improving existing components, reviewing code, driving complex changes, and leveraging data for operational efficiency. Requires 7+ years of software development experience with a focus on improving developer experience and engineering processes.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+36 More
2 Days Ago
Seattle, WA
5,000 Employees
94K-128K Annually
3-5 Years of Experience
5,000 Employees
94K-128K Annually
3-5 Years of Experience
Gaming • Software • Virtual Reality
Join the XR Foundations team at Unity to work on integrating foundational AR/VR technologies and devices into one of the most popular game engines. Responsibilities include implementing new technologies, collaborating with external partners, and ensuring quality standards. Preferred experience in AR/VR/XR, C#, C/C++ development, 3D Math proficiency, and Unity. Additional experience in Android, iOS, or other hardware platforms is a plus.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
2 Days Ago
Seattle, WA
161 Employees
150K-170K Annually
3-5 Years of Experience
161 Employees
150K-170K Annually
3-5 Years of Experience
eCommerce • Software • Analytics • Business Intelligence • Consulting
Design and implement stable and performant SaaS products utilizing frontend and backend technologies. Own a complex set of internal/external services and data sets. Execute full SDLC for APIs, UIs, applications, and infrastructure.
Top Benefits:
401-K
401-K Matching
Company Equity
+25 More
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