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Top Senior Level C# Jobs in Seattle, WA

118+ Job Results
6 Hours Ago
Seattle, WA
Remote
10,000 Employees
130K-205K Annually
7+ Years of Experience
10,000 Employees
130K-205K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
Looking for a Sr. Software Engineer with 5+ years of experience to join the sensor engineering team. Responsibilities include developing cybersecurity features for the Windows Sensor, collaborating with multiple teams, building user interfaces, and deploying quality code to production.
Yesterday
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
11 Days Ago
Seattle, WA
6,276 Employees
172K-314K Annually
7+ Years of Experience
6,276 Employees
172K-314K Annually
7+ Years of Experience
Big Data • HR Tech • Information Technology • Other • Software
Seeking a Software Engineering Manager to lead the next generation journey management platform at a fast-growing tech company. Responsibilities include owning the engineering roadmap, managing teams, and delivering high-quality solutions. Ideal candidate has 10+ years of experience in software engineering and management.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+50 More
12 Days 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
17 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
18 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
8 Hours Ago
Seattle, WA
237,000 Employees
5-7 Years of Experience
237,000 Employees
5-7 Years of Experience
eCommerce
Seeking a System Development Engineer to build industry-leading solutions for customers. Will work across software, hardware, robotics, and telemetry. Responsible for product design, manufacturing, testing, and operations. Must have hands-on experience and be comfortable pushing boundaries for cost reduction and data storage durability.
8 Hours Ago
Seattle, WA
237,000 Employees
5-7 Years of Experience
237,000 Employees
5-7 Years of Experience
eCommerce
Seeking experienced software engineers to help invent the next generation of authentication and authorization systems. Design and build operational scalability for clients' growth. Make a visible difference in this space and support millions of customers.
8 Hours Ago
Seattle, WA
7+ Years of Experience
7+ Years of Experience
Software
Design, develop, test, deploy, maintain and improve software. Manage individual project priorities, deadlines and deliverables. Focus on overall product quality and user experience. Take initiative and be responsible for technical solutions to data quality and workflow challenges.
8 Hours Ago
Seattle, WA
7+ Years of Experience
7+ Years of Experience
Software
Lead the design, development, and maintenance of software components and features. Drive collaboration across teams and mentor other team members. Use C/C++, Java, Python, JavaScript, C#, Go, Objective-C, and Swift.
8 Hours Ago
Seattle, WA
1,248 Employees
165K-302K Annually
5-7 Years of Experience
1,248 Employees
165K-302K Annually
5-7 Years of Experience
AdTech
Lead Senior Staff Software Engineer at The Trade Desk working on UID2 project to enable deterministic identity for advertising opportunities on the open internet. Responsibilities include designing, building, and delivering products for clients, contributing to large-scale distributed systems, mentoring, and technical leadership.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+36 More
23 Hours Ago
Seattle, WA
148,000 Employees
138K-294K Annually
5-7 Years of Experience
148,000 Employees
138K-294K Annually
5-7 Years of Experience
Software
Lead a high-performance team on Azure Object Storage service, work on distributed systems scaling to Exabytes of storage, engineering fundamental layers of Azure storage service, develop deep business acumen about Azure, mentor team members, define strategy, design/develop products, create an inclusive environment, drive product roadmap, and embody company values.
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