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Top Senior Software Engineer Jobs in Seattle, WA

63+ Job Results
9 Hours Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
Expert/Leader
10,000 Employees
135K-210K Annually
Expert/Leader
Cloud • Information Technology • Sales • Security • Cybersecurity
The Senior Software Engineer, SDET will focus on building frameworks and tools for testing distributed services and APIs in a cloud-based product. You'll enhance automated test coverage, improve product quality, collaborate on root cause analysis for outages, and create maintainable test infrastructure.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
10 Hours Ago
Seattle, WA
Hybrid
4,800 Employees
Senior level
4,800 Employees
Senior level
Fintech • Mobile • Software • Financial Services
As a Senior Software Engineer in Data Services, you will design and develop scalable software solutions, optimize system performance, automate processes, and mentor junior engineers. You'll work with operations and engineering teams to improve infrastructure reliability and performance in a dynamic, data-intensive environment.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
1,050 Employees
Senior level
Cloud • Software
As a Senior Software Engineer II, you'll develop a scalable real-time data processing platform, create anomaly detection algorithms, and leverage AI technologies. Your work will enhance the Events platform by managing vast data streams and improving service quality for mission-critical systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+52 More
Yesterday
Seattle, WA
500 Employees
215K-270K Annually
Senior level
500 Employees
215K-270K Annually
Senior level
AdTech • Digital Media • eCommerce • Marketing Tech • Software
As a Senior Software Engineer at Rokt, you will design, develop, and enhance code for high-impact products, own complex features, collaborate with teams, create scalable applications, and mentor engineers while focusing on customer impact.
Top Benefits:
401-K
401-K Matching
Company Equity
+53 More
Yesterday
Seattle, WA
Hybrid
4,800 Employees
Senior level
4,800 Employees
Senior level
Fintech • Mobile • Software • Financial Services
The Staff Software Engineer will design, develop, and deliver scalable cloud infrastructure solutions using AWS and infrastructure-as-code tools like Terraform. The role includes driving technical strategy, mentoring team members, and collaborating with cross-functional teams to enhance productivity and innovation.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
Yesterday
Seattle, WA
Remote
6 Employees
Senior level
6 Employees
Senior level
3D Printing • Computer Vision • Consumer Web • eCommerce • Enterprise Web
As a Senior Software Engineer at Vaullti, you will develop software solutions throughout their lifecycle and engage in Agile processes. You will tackle challenging problems, focus on systems integration using modern technologies, and present features during demos. Your role may involve working with intelligence agencies and requires excellent communication skills.
Yesterday
Seattle, WA
Hybrid
3,300 Employees
168K-240K Annually
Senior level
3,300 Employees
168K-240K Annually
Senior level
Information Technology • Security • Cybersecurity
As a Senior Software Engineer, you will develop and maintain high-performance and secure distributed systems at Cloudflare. Your role includes optimizing complex solutions, ensuring system reliability through debugging, and working with cutting-edge technology to improve internet performance globally.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
3 Days Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
Senior level
10,000 Employees
135K-210K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Engineer at CrowdStrike, you will design, develop, and maintain scalable API integrations and full-stack applications. Working with cross-functional teams, you will ensure high-quality, secure, and performant solutions while mentoring junior engineers and staying updated with industry trends.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
5 Days Ago
Seattle, WA
Remote
10,000 Employees
130K-205K Annually
Senior level
10,000 Employees
130K-205K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Engineer in the Content Research & Integration Tactical team, you will develop detection logic for attack techniques on Windows OS, collaborate with various teams, and help implement capabilities in the Falcon sensor to identify malicious behavior and enhance security measures on customer devices.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
5 Days Ago
Seattle, WA
Remote
3,300 Employees
137K-198K Annually
Senior level
3,300 Employees
137K-198K Annually
Senior level
Information Technology • Security • Cybersecurity
The Senior Software Engineer will work on the Zero Trust desktop client, focusing on high-performance networking code for multiple desktop platforms. The role involves improving code quality, ensuring thorough documentation, and developing features in close collaboration with product managers, while addressing security and performance challenges.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
6 Days Ago
Seattle, WA
Remote
10,000 Employees
115K-180K Annually
Mid level
10,000 Employees
115K-180K Annually
Mid level
Cloud • Information Technology • Sales • Security • Cybersecurity
The role involves developing and maintaining scalable services for CrowdStrike's cloud platform, focusing on reliability, monitoring, and collaboration with multiple teams. Candidates will utilize object-oriented programming languages and contribute to open-source developments while mentoring others in web security and system architecture.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
7 Days Ago
Seattle, WA
Remote
10,000 Employees
160K-240K Annually
Senior level
10,000 Employees
160K-240K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Sr. Software Engineer II role involves designing and developing core features for a Windows-based sensor aimed at improving cybersecurity. Responsibilities include mentoring team members, collaborating with cross-functional teams, and leading the development of next-generation security software under Agile methodologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
7 Days Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
Senior level
10,000 Employees
135K-210K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior SDET at CrowdStrike, you will build testing frameworks and tooling for their cloud platform, ensuring quality and performance. Your responsibilities include verifying features, reviewing design documents, improving test coverage, and maintaining an automated test infrastructure. You'll also collaborate on root cause analysis for production outages.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
7 Days Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
Mid level
10,000 Employees
135K-210K Annually
Mid level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Sr. Software Engineer role focuses on enhancing development tools for the CrowdStrike sensor, overseeing build and test tool development, and improving product quality across platforms. The engineer will collaborate with global teams to drive visibility, quality, and efficiency in the engineering processes.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
8 Days Ago
Seattle, WA
Hybrid
300,000 Employees
Senior level
300,000 Employees
Senior level
Consumer Web • eCommerce • Information Technology • Retail • Software • Analytics • App development
The Sr Software Engineer - iOS translates business requirements into program designs, writes maintainable code, mentors other engineers, and improves development processes. They focus on iOS development using Swift, integrating backend systems, and may work with data science technologies and AR. They are responsible for ensuring alignment with architecture standards and improving team efficiencies.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+34 More
8 Days Ago
Seattle, WA
Remote
350 Employees
175K-245K Annually
Senior level
350 Employees
175K-245K Annually
Senior level
Artificial Intelligence • Legal Tech • Professional Services • Software
The Senior Software Engineer will develop and maintain web applications using Ruby on Rails and React.JS. Responsibilities include ensuring performance of existing programs, collaborating with teams to resolve issues, and applying best practices in software development. Applicants should have a passion for mentorship and teamwork.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
8 Days Ago
Seattle, WA
Remote
250 Employees
Senior level
250 Employees
Senior level
Information Technology • Security • Cybersecurity
The Senior Software Engineer will design and maintain a high-performance Windows agent in Go, develop features for a Windows application interfacing with low-level Windows APIs, ensure security and scalability in a distributed architecture, mentor junior engineers, and collaborate with DevOps for end-to-end testing.
Top Benefits:
401-K Matching
Company Equity
Continuing Education Stipend
+30 More
8 Days Ago
Seattle, WA
Hybrid
109,871 Employees
139K-195K Annually
Senior level
109,871 Employees
139K-195K Annually
Senior level
Digital Media • News + Entertainment
The Sr Software Engineer will develop UI software and lead a team of developers. Responsibilities include coding, testing, collaborating with design teams, validating code across platforms, and ensuring the software is SEO and accessibility friendly.
9 Days Ago
Seattle, WA
Remote
10,000 Employees
160K-240K Annually
Senior level
10,000 Employees
160K-240K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Sr. Software Engineer II will develop and maintain services for CrowdStrike's cloud platform, focusing on reliability, scalability, and performance. The role involves technical leadership in large-scale architectural changes and incident management, as well as developing automation tools and improving core product architecture.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
9 Days Ago
Seattle, WA
Hybrid
3,500 Employees
139K-245K Annually
Senior level
3,500 Employees
139K-245K Annually
Senior level
Blockchain • Fintech • Mobile • Payments • Software • Financial Services
As a Senior Software Engineer in Trust (Access), you will enhance authentication and account security at Cash App, ensuring a seamless and secure user experience. You will address fraudulent activities, manage access controls, and evolve account structures to support the platform's growth and security needs.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+64 More
9 Days Ago
Seattle, WA
20,000 Employees
116K-184K Annually
Senior level
20,000 Employees
116K-184K Annually
Senior level
eCommerce • Healthtech • Pet • Retail • Pharmaceutical
As a Senior Front-End Engineer at Chewy, you will lead projects to enhance the Sponsored Ads platform, develop scalable solutions, mentor junior engineers, and ensure high-quality deliverables through code reviews and collaboration. You'll also apply DevOps practices and work with cross-functional teams to drive insights from user research.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+45 More
9 Days Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
Senior level
10,000 Employees
135K-210K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Engineer at CrowdStrike, you will design the architecture of sensor validation software, develop testing tools for interoperability, and troubleshoot complex environments. The role requires collaboration with multi-functional teams and the implementation of test automation strategies on various platforms.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
10 Days Ago
Seattle, WA
Hybrid
12,000 Employees
139K-245K Annually
Senior level
12,000 Employees
139K-245K Annually
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Senior Software Engineer will lead the development of secure authentication and account access systems for Cash App, ensuring user safety and reliability. Responsibilities include implementing access control features, identifying fraud patterns, and evolving the account model to support new product changes.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
10 Days Ago
Seattle, WA
Remote
Hybrid
12,000 Employees
168K-297K Annually
Senior level
12,000 Employees
168K-297K Annually
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Senior Software Engineer will work on the Cash P2P payments system, collaborating with various teams to develop and scale innovative payment products that serve millions of users. Responsibilities include leading technical discussions, scoping products, and enhancing the overall product experience.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
10 Days Ago
Seattle, WA
Remote
Hybrid
12,000 Employees
139K-245K Annually
Senior level
12,000 Employees
139K-245K Annually
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As a Senior Fullstack Software Engineer, you will develop a mining management UI using React and Tailwind. Your role includes front-end development, collaborating with designers, optimizing performance, and mentoring junior developers, while also contributing to back-end services in Rust.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
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