Top Senior Software Engineer Jobs in Seattle, WA

The Senior Full Stack Software Engineer at Dropbox will design and develop user-friendly experiences, manage projects end-to-end, and collaborate across teams while leading initiatives and delivering AI-enabled product enhancements.

Lead the design and implementation of scalable monetization systems while mentoring engineers and driving technical strategy for revenue growth.

As a Software Engineer, you will enhance security systems for user accounts, ensuring robust authentication and authorization, while contributing to scalable infrastructure, and handling sensitive user data.

The Senior Backend Software Engineer at Headway will design software architecture, mentor teams, and evaluate technology to enhance mental healthcare accessibility.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

As a Senior Full-Stack Engineer, you'll develop features for Circle's CRM platform, collaborating on both front-end and back-end tasks and participating in the entire development lifecycle.

Design and maintain full-stack features for real-time video, events, chat, and notifications, collaborating with teams to improve performance and reliability.

The Software Engineer will improve payments infrastructure, collaborate with teams, mentor others, and deliver high-quality products while focusing on user needs.

Develop and maintain systems for performance marketing, focusing on data pipelines, automation tools, and attribution logic while collaborating with Growth, Marketing, and Data teams.

The Senior Backend Software Engineer will build AI-driven products using Node.js, collaborating with various teams to ensure high-quality code and feature ownership.

As a Full Stack Software Engineer, you will develop tools for cloud management, build APIs and UIs, and maintain cloud systems.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

This role involves developing software solutions, performing code reviews, maintaining test automation, and collaborating on technical problem-solving. Senior engineers also provide mentorship and contribute to process improvements.

The Software Engineer will design and scale back-end systems, improve features, ensure system reliability, and collaborate across teams while focusing on performance and security.

The Senior iOS Engineer will enhance the design system by building reusable iOS components, collaborating with cross-platform teams, and ensuring accessibility, performance, and documentation standards are met.

Design, maintain, and evolve core backend systems and APIs. Collaborate with product teams to create durable and reusable systems while enhancing performance and security.

Design and implement scalable web applications, modernize user experience, build mobile apps, mentor engineers, and collaborate with product teams.

The role involves building full-stack products for fleet safety, collaborating with teams, and maintaining production systems while utilizing a variety of technologies.

Lead engineering efforts at Headway, designing software architecture, mentoring teams, and shaping technical requirements to build a mental health care platform.

As a Software Engineer, you will ship features, maintain a high-quality feed, build scalable systems, and mentor teams while leading engineering initiatives.

Join Terakeet as a Senior Backend Software Engineer to design, build and maintain scalable backend services and APIs using Python, focusing on databases and best coding practices.

The role involves shipping full-stack AI projects, designing experiments for AI features, and optimizing AI infrastructure while collaborating with teams.

As a Principal Mobile Software Engineer, you'll lead mobile platform development, scale React Native architecture, mentor engineers, and collaborate across teams to build impactful features.

The Senior Software Engineer will design and maintain internal package sets enabling software distribution including packaging software, improving developer ergonomics, and mentoring team members.

Design and implement scalable mobile advertising experiences using React Native and Google Mobile Ads SDK. Translate revenue requirements into ad implementations, support native/interstitial/rewarded formats, manage ad configuration/loading/display, ensure performance and user experience, and collaborate with stakeholders while guiding engineering peers on consent management and programmatic advertising.