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Top Senior Level .NET Developer Jobs in Seattle, WA

26+ Job Results
2 Days Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
5-7 Years of Experience
10,000 Employees
135K-210K Annually
5-7 Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
Looking for a Sr. SDET / Test Automation Engineer to lead the design and implementation of an automated test environment for a brand-new user experience in the cybersecurity space. The role involves collaborating closely with product design and UI engineering, mentoring other engineers, and ensuring quality software exceeds user expectations.
3 Days Ago
Seattle, WA
Remote
20,000 Employees
109K-186K Annually
5-7 Years of Experience
20,000 Employees
109K-186K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
As a Federal Cloud Networking Engineer, you will be responsible for designing and deploying networks, troubleshooting issues, and ensuring the stability and performance of the Government Cloud infrastructure on the 3rd shift. This role involves working 4 days a week without an on-call rotation.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
19 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

Featured Jobs

3 Days Ago
Seattle, WA
Remote
5,600 Employees
5-7 Years of Experience
5,600 Employees
5-7 Years of Experience
Fintech • Payments
Join the technical writing team at Stripe to improve documentation for internal tools, provide guidance to engineers, and consolidate content sources for a cohesive user experience. Drive product direction and innovate ways to interact with technical content. Requires 6+ years of technical experience and adept communication skills in a high-ambiguity environment.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
8 Days Ago
Seattle, WA
148,000 Employees
112K-239K Annually
5-7 Years of Experience
148,000 Employees
112K-239K Annually
5-7 Years of Experience
Software
Senior Software Engineer role in the Machine Translation team at Microsoft, focusing on backend service hosting translation models, involving maintenance, development of new features, and collaboration with researchers on NLP problems.
13 Days Ago
Seattle, WA
87,899 Employees
110K-225K Annually
7+ Years of Experience
87,899 Employees
110K-225K Annually
7+ Years of Experience
Fintech • Financial Services
Lead Software Engineer role at Parametric with a focus on building financial software for equity investments and client activities. Requires technical leadership, project management, and mentoring skills.
14 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
The Senior Software Engineer role at The Trade Desk involves developing optimization tools to enhance clients' advertising campaign outcomes, focusing on bid shading and performance optimization. The role requires end-to-end ownership of product design, building, and delivery for clients, as well as mentoring and technical leadership responsibilities within the team. Key skills include expertise in platforms and technologies like PyTorch, Tensorflow, Spark, and more, along with an excellent understanding of Agile development practices and web-based system design.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+36 More
18 Days Ago
Seattle, WA
64 Employees
7+ Years of Experience
64 Employees
7+ Years of Experience
Other
Collaborates with business partners to provide recommendations for technology decisions, establishes standards and procedures for design and development, and leads systems analysis and implementation efforts. Requires 7+ years of experience in Microsoft.net framework, C#, and web application development. Proficiency in AWS, MSMQ, Windows Power shell scripting, Microsoft SQL server, and Git is preferred.
22 Days Ago
Seattle, WA
Remote
660 Employees
104K-172K Annually
7+ Years of Experience
660 Employees
104K-172K Annually
7+ Years of Experience
Consulting
Analyzing, designing, and developing innovative software solutions using Microsoft Power Platform tools for clients, providing technical leadership, collaborating with colleagues and partners, and staying updated on emerging technology trends.
Top Benefits:
401-K
Company Outings
Dedicated Diversity Inclusion Staff
+25 More
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