Top Senior Software Engineer Jobs in Seattle, WA

As a Senior Software Engineer, you will lead the development of the Commercial Payments platform, architect new systems, implement features, and maintain system health while working closely with Product and Design teams. You will mentor other engineers and contribute to the product lifecycle from ideation to deployment.

The Senior Software Engineer will develop scalable media applications using JavaScript and TypeScript, collaborate with cross-functional teams to create optimal user experiences, mentor junior engineers, and enhance existing applications based on data analysis.

As a Senior Software Engineer in Distributed Systems at Cloudflare, you will design and build high-performance distributed systems while working on a wide range of applications, including optimizing traffic, handling security measures, and maintaining system integrity. Your work will directly impact user experience across millions of internet properties.

The Senior-to-Principal SDET will build frameworks, libraries, and tooling for testing service infrastructures. Responsibilities include verifying features, improving automated test coverage, creating test infrastructures, and addressing production outages. Must possess skills in debugging, networking, and familiarity with web services and data storage technologies.

As a Sr. Software Engineer on the Falcon Exposure Management team at CrowdStrike, you will lead the design and implementation of scalable, distributed systems, mentor junior engineers, and collaborate across teams to enhance the cloud SaaS platform's capabilities in real-time threat detection and endpoint visibility.

As a Sr. Software Engineer for Falcon For IT, you will lead cloud-side initiatives, working with senior engineers to deliver cloud-based solutions and maintain high engineering standards. Your role focuses on backend development for distributed systems, utilizing a versatile tech stack.

As a Senior Software Engineer II, you will develop a real-time data processing platform for anomaly detection, contribute to microservices, and ensure operational systems meet strict SLAs. You will work with advanced technologies to support critical business functions within a fast-paced environment.

The Senior Full Stack Software Engineer at Ontra will develop and maintain web applications, ensure efficiency in existing programs, collaborate with designers and product teams, and uphold best practices in software development. The role requires strong problem-solving skills and mentorship capabilities, ideal for candidates with significant experience in a startup or high-growth environment.

As a Sr. Software Engineer, you will collaborate with engineering teams to develop software for AI-powered robotic systems, focusing on efficient software to support LaserWeeder robots. Responsibilities include building and troubleshooting software, enhancing machine learning pipelines, and driving project planning and problem-solving efforts.

As a Senior Software Engineer in Distributed Systems at Cloudflare, you'll build and operate scalable software systems that power millions of Internet properties. This role involves optimizing complex solutions, debugging high-volume production systems, and designing APIs in a high-impact team focused on security and performance.

As a Senior Software Engineer at Cloudflare, you'll build and operate distributed systems that power internet properties globally, focusing on performance, robustness, and security. Responsibilities include optimizing complex solutions, debugging high-volume production systems, and designing APIs.

The Senior Software Engineer will be part of the Cash P2P team, focusing on enhancing the core payment product used by millions. Responsibilities include collaborating across disciplines, scoping and scaling products, and engaging in technical discussions. The role requires experience in backend systems and collaboration with frontend and mobile teams.

As a Senior Frontend Software Engineer, you will design and build user-centric web applications for Carbon Robotics’ AI and robotics products, collaborating with cross-functional teams. You'll troubleshoot and iterate quickly to ensure reliable outputs for farmers, facilitating data analysis and monitoring of agricultural effectiveness.

As a Senior Software Tools Engineer at CrowdStrike, you will enhance and develop tools for the Sensor Developer Experience (SDX) team. Your responsibilities include improving build and release processes, driving product quality improvements, and collaborating with global teams, all while supporting the CrowdStrike Falcon Host security product.

As a Senior Software Engineer on the Cash P2P team, you will develop and scale core payment products, collaborating across teams to enhance product experiences. This role requires leadership in technical discussions and involvement in all stages of product development, ensuring that new payment methods serve millions of users effectively.

As a Senior Software Engineer at Huntress, you will design and develop a high-performance Windows agent using Go, interface with Windows APIs, and integrate the application with a backend SaaS web application. Responsibilities include enhancing scalability, mentoring junior engineers, and collaborating with DevOps for testing.

As a Senior Software Engineer at Anduril Industries, you will design and develop software solutions within the Command, Control, and Communications Platform, focusing on building distributed systems and enhancing military capabilities. Your responsibilities will include software testing, architecture design, and providing technical leadership, while ensuring robust interaction with the physical constraints of real-world systems.