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Software Development Engineer In Test Sdet With Javascript jobs in Seattle· Page 6

Results 101–120 of 858 for “Software Development Engineer In Test Sdet With Javascript” in Seattle.

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Pinterest, Inc. logo
Full-time|$118.9K/yr - $244.9K/yr|On-site|San Francisco, CA, US; Seattle, WA, US

Pinterest’s Core and Monetization engineering teams are seeking Backend Software Engineer II candidates in San Francisco, CA or Seattle, WA. This position centers on building frameworks and features that serve both Pinterest’s developers and its millions of users. What you will do Collaborate with product managers, designers, and fellow engineers to define a…

Apr 22, 2026
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SoFi logo
Full-time|On-site|Seattle, Washington

Join SoFi as a Principal Software Engineer specializing in Loan Origination Solutions. In this pivotal role, you will lead the design and development of innovative software solutions that enhance the loan origination process. You will collaborate closely with cross-functional teams to implement technologies that improve user experience and operational efficiency.

Mar 26, 2026
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Outreach logo
Full-time|On-site|Seattle, WA

Outreach builds an AI platform for revenue operations, providing sales teams with AI-driven insights, conversation intelligence, and automation. Companies like Databricks, SAP, Siemens, and Verizon use Outreach to streamline sales workflows and improve forecasting. Team focus The Intelligence Tooling and Enablement team works to bring AI solutions into Outreach’s engineering practices. This group introduces new tools, refines development processes, and creates training resources, all aimed at helping engineering teams work more efficiently with AI at the center of their approach. What you will do Develop AI solutions and integrate them into the software development lifecycle. Location This position is based in Seattle, WA.

Apr 28, 2026
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Anduril Industries logo
On-site|On-site|Seattle, Washington, United States

Anduril Industries is on a mission to revolutionize military capabilities through cutting-edge technology. We harness the expertise and innovation of 21st-century companies to reshape how military systems are engineered and deployed. Our advanced Lattice OS serves as a powerful AI-driven operating system that integrates vast data streams into a real-time, 3D command and control center. In a world characterized by strategic competition, Anduril is dedicated to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking solutions to the military swiftly, transforming the defense landscape in months rather than years. **About the Team** Join our Lattice Platform team, where we are committed to constructing an integrated platform that streamlines data management, task orchestration, and system interoperability. Our team comprises skilled engineers who are passionate about deploying robust solutions in real-world scenarios, ensuring that our innovations are not just experimental but have a direct impact on the front lines. Our work encompasses critical areas such as core infrastructure, distributed systems, web development, and networking, forming the backbone of Anduril's defense technology ecosystem. By uniting diverse expertise, we aim to create a scalable platform that empowers autonomous systems and data-driven decision-making across all domains of warfare, ultimately enhancing operational efficiency and technological progress. **About the Role** We are seeking multiple Senior Software Engineers to enhance our dynamic platform team. In this pivotal role, you will develop and maintain the foundational systems that drive Anduril's defense technology offerings. Your focus will be on building infrastructure, platform services, and integration components that enable our engineering teams to operate efficiently at scale. Successful candidates will be well-versed in multiple programming languages, system architecture, and collaborative problem-solving methodologies. If you are self-driven, uphold high standards, and excel in a flexible, autonomous environment, we invite you to apply.

Feb 11, 2026
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Anduril Industries logo
Senior Software Engineer

Anduril Industries

On-site|On-site|Seattle, Washington, United States

Join Anduril Industries as a Senior Robotics Software Engineer and lead the charge in developing groundbreaking autonomous systems. In this pivotal role, you'll engage in diverse challenges surrounding autonomy, systems integration, robotics, and networking, making critical engineering decisions that directly influence mission success. Your expertise will ensure that Anduril's innovative products work in harmony to achieve essential outcomes. You'll be responsible for crafting innovative solutions to complex robotics challenges, striking a balance between engineering pragmatism and mission-critical requirements, while collaborating closely with cross-functional teams to integrate software with hardware systems. Contributing to the entire product lifecycle, from conceptualization to deployment, you will rapidly prototype and iterate on software solutions. We seek an individual who thrives in a dynamic, fast-paced environment and is eager to tackle ambiguous problems. Your 'Whatever It Takes' mindset will be crucial in executing tasks efficiently, at scale, and pragmatically, always keeping the mission at the forefront of your efforts. This role offers the opportunity to contribute significantly to the future of defense technology.

Feb 11, 2026
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Anduril Industries logo
Full-time|$166K/yr - $253K/yr|On-site|Seattle, Washington, United States

At Anduril Industries, we are revolutionizing defense technology to empower the U.S. and allied military forces with state-of-the-art solutions. By integrating the innovative practices and technologies from leading industries, we are redefining how military systems are conceived, constructed, and marketed. Our systems are powered by Lattice OS, an AI-driven operating system that creates a dynamic, real-time 3D command and control environment. In a world characterized by strategic competition, we are dedicated to delivering cutting-edge advancements in autonomy, AI, computer vision, sensor fusion, and networking technology to military applications swiftly.ABOUT THE POSITIONWe are on the lookout for a talented Security Software Engineer to forge innovative security tools aimed at safeguarding embedded Linux systems and Android devices. The preferred candidate will possess the skills necessary to develop, test, and debug a vital endpoint detection and response agent with essential security functions.KEY RESPONSIBILITIESCreate and enhance cybersecurity tools for real-time embedded Linux and Android systems.Implement an endpoint detection and response agent tailored for Anduril's products.Establish comprehensive testing and qualification protocols for security-critical components.Collaborate with cross-disciplinary teams to pinpoint specific security requirements and devise effective solutions.Conduct code reviews to ensure compliance with security best practices.Keep abreast of evolving security threats and emerging technologies.

Mar 23, 2026
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Palantir Technologies logo
Full-time|On-site|Seattle, WA

Join a Transformative Technology LeaderAt Palantir, we create state-of-the-art software that revolutionizes data-driven decision-making and operations. Our innovative platforms empower partners across various sectors to tackle critical challenges—from accelerating drug discovery and mitigating supply chain risks to reuniting families with missing children. Join us in making a meaningful impact on the world.About the RoleAs a Software Engineer focused on our Environment Platform, you will play a pivotal role in defining the strategy for achieving full containerization across our software platforms—Foundry, Gotham, and Apollo—while navigating a complex landscape of infrastructure types. You will also extend your expertise to support Palantir’s growing customer base. Your contributions will involve designing and developing elegant, reliable APIs powered by Kubernetes (K8s) controllers, bridging the gap between raw Kubernetes clusters and fully-functional, infrastructure-agnostic runtimes that can adapt to the operational needs of numerous specialized microservices. You will collaborate with a dynamic, driven team, enriched by diverse backgrounds and perspectives, all united by a shared ambition to innovate and excel.

Sep 5, 2024
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Hive logo
Full-time|On-site|Seattle

About HiveHive stands at the forefront of cloud-based AI solutions, empowering organizations to understand, search, and create content with unparalleled efficiency. Trusted by numerous industry leaders, our cutting-edge technology supports billions of customer API requests monthly through a suite of premium, pre-trained AI models. Hive also provides tailor-made software applications driven by proprietary AI models and datasets, enabling groundbreaking applications across diverse sectors. Our innovative solutions are reshaping content moderation, brand protection, sponsorship evaluation, context-driven ad targeting, and much more.With over $120M raised from top-tier investors, including General Catalyst, 8VC, Glynn Capital, Bain & Company, and Visa Ventures, Hive is expanding rapidly. We proudly employ over 250 talented professionals across our offices in San Francisco, Seattle, and Delhi. Join us and be a part of the AI revolution!About the RoleAs a Senior Frontend Software Engineer at Hive, you will play a pivotal role in shaping our Hive Data and Hive Enterprise products. Collaborating closely with designers, product managers, and fellow engineers, you will build the user interfaces that define our core offerings. Utilizing the latest web technologies, including React, Redux, Webpack, and ES6, you will craft innovative interfaces that deliver exceptional user experiences. In our agile and dynamic team environment, you will have the opportunity to iterate rapidly and influence software design decisions for product features. We seek passionate, technically adept teammates who excel in frontend technologies and thrive in a fast-paced setting, offering you the autonomy and responsibility to make a significant impact.

Apr 21, 2022
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Hive logo
Full-time|On-site|Seattle

About HiveHive stands at the forefront of cloud-based AI innovation, delivering unparalleled solutions that facilitate understanding, searching, and generating content. Trusted by some of the most prominent and pioneering organizations globally, we empower developers with an extensive suite of premium, pre-trained AI models that handle billions of API requests monthly. Our turnkey software applications, driven by proprietary AI models and datasets, unlock transformative use cases across various industries. Hive's offerings are revolutionizing content moderation, brand safety, sponsorship analytics, contextual advertising, and more.Having successfully raised over $120 million from esteemed investors such as General Catalyst, 8VC, Glynn Capital, Bain & Company, and Visa Ventures, we are a growing family of over 250 dedicated professionals across our offices in San Francisco, Seattle, and Delhi. If you are passionate about shaping the future of AI, we invite you to join us!About the RoleTo fulfill our ambitious vision, we are expanding our team of exceptional engineers. We seek talented developers who are eager to launch innovative products and features into production, who thrive in autonomous environments, and who embrace the challenges that come with scaling solutions. Our ideal candidate will have a proven track record in building core services and web-based APIs from scratch, demonstrating a strong commitment to both the product’s functionality and the underlying technology. You should possess the ability to structure and write clean, maintainable code, ensuring robust software development practices.

Apr 21, 2022
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Opendoor Technologies Inc. logo
Full Stack Software Engineer

Opendoor Technologies Inc.

Full-time|On-site|Seattle, Washington, United States

Join Opendoor as a Full Stack Software Engineer, where you'll have the opportunity to work on innovative solutions that redefine the real estate experience. You will be responsible for designing, developing, and maintaining complex applications that help streamline the buying and selling process. Collaborate with a diverse team of engineers, product managers, and designers to deliver high-quality software that meets our users' needs.

Mar 26, 2026
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Duolingo logo
Full-time|On-site|Seattle, WA

Join Duolingo as a Senior Backend Software Engineer and play a pivotal role in building scalable and innovative backend systems that enhance the learning experience for millions of users worldwide. Collaborate with cross-functional teams to design, develop, and maintain high-performance APIs and services that are critical to our platform's success.

Mar 10, 2026
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AZX logo
Full-time|On-site|Seattle

Senior Full Stack Software EngineerJoin AZX, a pioneering company dedicated to driving positive transformation in vital sectors through advanced AI solutions.We are rapidly expanding our reach, collaborating with industry leaders in real estate, energy, logistics, and utilities.As a public benefit corporation established in 2024, we have achieved profitability from day one by leveraging our consulting expertise.Our focus areas include clean energy innovation, decarbonization efforts, climate risk assessment, energy systems, and global economic strategies. We are committed to creating a workplace that attracts those who share our passion for AI and impactful change.Role OverviewWe are looking for a Senior Full Stack Software Engineer who will play a crucial role in delivering exceptional solutions to our clients and enhancing our internal platform. As one of the initial full-time engineers, your contributions will significantly shape our development process.You will engage in diverse projects, ranging from enterprise-level applications to rapid innovation cycles, while we simultaneously invest in our platform to enhance client value.Be part of a team led by seasoned professionals from the climate and AI sectors, including experts from Microsoft, AI2, ARM, and notable startups, as well as PhD-level researchers and former executives.Key ResponsibilitiesTransform vague client challenges into functional code.Lead projects from initial discovery through to deployment.Work collaboratively with both client and internal teams.Write clean, scalable, and maintainable code that meets quality standards.Incorporate AI technologies into our solutions, including analytical models and digital twins.Foster interdisciplinary collaboration.Promote engineering best practices and a positive development culture.

Jul 24, 2025
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Comtech LLC logo
Full-time|On-site|Seattle

As a Software Development Manager at Comtech LLC, you will lead a team of skilled engineers to design, develop, and maintain innovative software solutions. You will play a critical role in driving project timelines, ensuring high-quality deliverables, and fostering a collaborative team environment.

Nov 9, 2016
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Brex logo
Full-time|$192K/yr - $240K/yr|Hybrid|Seattle, Washington, United States

Join Our TeamAt Brex, we are revolutionizing the finance landscape. Our intelligent finance platform empowers companies to spend wisely and accelerate their growth across over 200 markets. By merging global corporate cards with advanced banking solutions and intuitive spend management tools, we provide finance teams and founders with the ability to streamline operations, gain real-time insights, and manage expenditures effortlessly. Our AI-driven automation and exceptional customer service alleviate the burden of manual expense tracking and accounting, allowing our clients to focus on what really matters. Notable companies such as DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek rely on Brex for their financial needs.When you join Brex, you're not just taking a job; you're embracing an opportunity to challenge yourself, redefine industry standards, and collaborate with some of the brightest minds in technology. We are dedicated to fostering a diverse team and an inclusive culture because we believe that your potential should only be limited by your dreams. We provide you with the tools, resources, and support needed to propel your career forward.Engineering at BrexOur engineering teams are focused on building scalable systems with speed and purpose. We work across Software, Data, Security, and IT, promoting high levels of autonomy and collaboration. We tackle complex technical challenges, take ownership of our outcomes, and strive for excellence in every aspect of our work—from architecture to deployment. Here, engineering is a craft, and our builders evolve into leaders.Your RoleAs a Senior Frontend Engineer at Brex, you will be integral in developing and maintaining innovative products and features, as well as creating tools to support Brex's scalability. You will have the chance to explore and enhance the financial software experience for our clients, using a data-driven mindset and creative problem-solving skills. We seek individuals who are not only passionate about product development but are also eager to lead cross-functional projects with multiple moving parts. In this role, you will directly influence business outcomes and contribute to shaping our long-term technical strategy, all while maintaining high standards of quality.Work EnvironmentThis position is based in our Seattle office. We embrace a hybrid work model that combines the vibrancy of office interactions with the flexibility of remote work. Currently, we require at least three days a week in the office—specifically Mondays, Wednesdays, and Thursdays. Additionally, we offer up to four weeks of fully remote work each year!

Apr 9, 2026
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Axon Enterprise, Inc. logo
Full-time|$148.5K/yr - $237.6K/yr|Hybrid|Seattle, Washington, United States

Join Axon and be a Force for Good.At Axon, we’re dedicated to our mission of protecting life. We tackle society’s most pressing safety and justice challenges through our innovative devices and cloud-based software. Our collaborative environment fosters open communication and values diverse perspectives from our customers and communities. Life at Axon is dynamic, challenging, and purposeful. Here, you'll take ownership of your work and drive meaningful change, all while growing in a mission-driven environment where your contributions truly matter.Your ImpactToday, public safety officers often spend up to two-thirds of their working hours on paperwork, which not only burdens them but also detracts from their ability to serve the community. Axon Records streamlines this process, allowing officers to focus more on community safety. As part of the Axon Records Discovery Squad, you will play a pivotal role in creating a high-performance, scalable search and insights platform that empowers law enforcement to access vital information quickly and efficiently.Envision a future where advanced technology automates routine tasks, enabling officers to spend more time in their communities, enhancing safety and quality of life. By 2030, public safety officers will have instant access to essential information, allowing them to connect the dots and protect lives effectively.As a Senior Engineer on the Discovery Squad, you will collaborate closely with software engineers, product managers, and designers to enhance the usability of records data. You’ll lead significant technical projects, implement new features, and help cultivate a positive team culture and engineering practices. Join us in making a lasting impact on the lives of first responders and the communities they serve.

Mar 27, 2026
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DigitalOcean logo
Full-time|$140.8K/yr - $176K/yr|On-site|Seattle

DigitalOcean’s Customer Trust & Engineering group forms the core of user security and access. The Identity and Access Management (IAM) team develops and maintains systems that handle billions of secure transactions every second, with a focus on keeping latency low and reliability high. The Senior Software Engineer - Identity & Access Management (IC3) position centers on designing and evolving DigitalOcean’s Identity platform. This role goes beyond routine maintenance: responsibilities include architecting new features, supporting AI-driven projects, and delivering seamless single sign-on (SSO) integrations for partners worldwide. The role is based in Seattle. What you will do Design and build new features for DigitalOcean’s Identity platform Enhance the policy engine to support complex, real-world workflows Develop and maintain SSO integrations for partners across the globe Contribute to AI initiatives that rely on secure, scalable identity infrastructure Work on distributed systems with high security requirements and massive scale Who thrives in this role Engineers who bring a growth mindset and a drive to innovate Those who enjoy solving distributed systems and security challenges People motivated to make a real impact for creators and builders worldwide

Apr 23, 2026
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StubHub Inc. logo
Full-time|$240K/yr - $350K/yr|Hybrid|Seattle, Washington, United States

StubHub connects fans and sellers with live events around the world. The platform handles everything from first-time concertgoers to major tours, focusing on secure and convenient ticketing for millions of users. Role overview The Staff Software Engineer - Web Foundations joins the Consumer App Foundations group, which develops and maintains the web platform at the heart of StubHub’s consumer experience. This platform supports both web and mobile users, and must remain reliable and performant even during surges in traffic for live events. What you will do Provide technical leadership for the Web Foundations team, setting direction and defining standards. Take ownership of key platform strategies and influence architectural decisions that affect multiple teams. Design and build core capabilities across frontend and backend systems. Work closely with product teams to help them deliver, launch, and scale new features. Approach complex and ambiguous engineering problems hands-on, providing solutions and guidance. Shape roadmaps and promote engineering quality throughout the development process. Location This position is based in Seattle, Washington, United States.

Apr 21, 2026
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DigitalOcean logo
Full-time|On-site|Seattle

Join DigitalOcean as a Senior Software Engineer I (Storage) and be a key player in developing innovative storage solutions that empower developers around the globe. You will work on cutting-edge technology, enhancing our cloud infrastructure while collaborating with a talented team dedicated to delivering exceptional results.

Mar 3, 2026
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Axon logo
Full-time|$190.5K/yr - $304.8K/yr|Hybrid|Seattle, Washington, United States

Become a Catalyst for Positive Change at Axon.At Axon, we are dedicated to the mission of Protecting Life. Our team is on the front lines, addressing critical safety and justice issues through an innovative ecosystem of devices and cloud-based software solutions. We believe in the power of collaboration, fostering open communication and valuing diverse perspectives from our customers, communities, and one another.Life at Axon is dynamic, engaging, and purposeful. Here, you’ll have the opportunity to take the initiative and drive meaningful change. Experience continuous growth as you contribute to a mission that truly matters at a company that values your role.Your ContributionAs a Senior Staff Software Engineer, you will be instrumental in cultivating a collaborative culture, engaging closely with cross-functional teams such as product management, operations, and engineering. You will serve as a critical link between these teams and executive leadership to ensure that technical initiatives align with business objectives. Additionally, you will provide the VP with insights on technical matters and strategic direction, offering expert guidance on technology choices.Your role will also position you as a center of excellence, advocating for a culture centered around quality, customer focus, and simplicity. With your extensive technical knowledge in cloud architecture, distributed systems, and data storage solutions, you will remain abreast of industry trends to introduce cutting-edge solutions to the organization. This position presents an exciting opportunity for you to leverage your expertise and analytical capabilities to develop impactful solutions for public safety and make a significant difference in the world!

Mar 27, 2026
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Speechify logo
Full-time|On-site|Seattle, WA, USA

Role Overview Speechify is hiring an iOS Core Product Software Engineer in Seattle, WA. This role focuses on designing and building software for our iOS applications. The work directly shapes how users interact with and benefit from our products. What You Will Do Develop and improve features for Speechify's iOS apps Work with teams across engineering, design, and product to deliver updates Identify and fix bugs to keep the app stable and reliable Help ensure strong performance and scalability as our user base grows Who We’re Looking For Experience building or maintaining iOS applications Comfort working with others to solve problems and ship features Interest in improving user experience through thoughtful engineering Motivation to contribute to projects with real impact Location This position is based in Seattle, WA, USA.

Apr 25, 2026

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