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Software Development Engineer In Test Sdet With Javascript jobs in Seattle· Page 3

Results 41–60 of 870 for “Software Development Engineer In Test Sdet With Javascript” in Seattle.

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Scholarly logo
Full-time|On-site|Seattle

About Scholarly Scholarly builds technology to improve access to education. Based in Seattle, the team focuses on software that helps learners around the world. Role Overview The Senior Software Engineer will design and develop software that supports Scholarly’s mission. This role works closely with engineers and product managers to build applications that s…

Apr 15, 2026
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DoorDash, Inc. logo
Full-time|On-site|San Francisco, CA; Sunnyvale, CA; Seattle, WA

Join DoorDash as a Staff Software Engineer specializing in Data Engineering, where you will play a critical role in designing and implementing data solutions that drive business insights and enhance operational efficiency. You will collaborate with cross-functional teams to create robust data pipelines and leverage cutting-edge technology to manage large-scale datasets.

Apr 30, 2026
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Read AI logo
Full-time|$166.3K/yr - $183.8K/yr|On-site|Read AI - Seattle HQ

About Read AI:At Read AI, we’re transforming team collaboration by infusing intelligence into every conversation. Our innovative platform enhances productivity across meetings, messages, and emails, enabling work to be executed more efficiently and with an enhanced focus. We seamlessly integrate with various tools such as Zoom, Microsoft Teams, Google Meet, Slack, and more, ensuring teams remain synchronized and progressive, whether they are co-located or distributed across different time zones.Supported by $81 million in funding from esteemed investors including Smash Capital, Madrona, and Goodwater Capital, Read AI is on a growth trajectory. If you are passionate about shaping the future of AI-driven collaboration and wish to make a significant impact in a product-focused startup, we would love to connect with you.The Role:As a Senior Software Engineer specializing in Frontend at Read AI, your work will directly influence how users engage with our platform. This pivotal role is essential for enhancing the user experience at Read through impactful features and improvements. Utilizing Typescript and React, you will contribute to our reporting application, billing system, and native note-taking apps (Zoom, Meet, and Teams), as well as Read’s browser extensions.In this position, you will play a key role in both developing new features and guiding the direction of our product roadmap.Responsibilities:Translate product specifications and visual designs from Figma into new features.Work collaboratively with cross-functional teams to design and implement scalable, maintainable APIs.Design and develop responsive, accessible user interfaces that function seamlessly on various devices and browsers.Advocate for and implement best practices in frontend development, focusing on code quality, testing, and performance optimization.Offer insightful feedback to the product team throughout the development lifecycle.Take ownership of specific product workstreams, driving them forward to make a notable impact on Read's future.Requirements:Bachelor's degree or higher in Computer Science/Engineering (preferred) with 5-7+ years of relevant industry experience.Demonstrated experience in frontend development, with in-depth knowledge of Typescript and React.Strong grasp of modern web development practices and responsive design principles.

Nov 19, 2024
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Read AI logo
Full-time|On-site|Read AI - Seattle HQ

Join Read AI as a Staff Software Engineer specializing in Frontend development! In this exciting role, you will be part of a dynamic team that is passionate about building cutting-edge applications that redefine how AI is integrated into everyday user experiences. You will work closely with Product Managers and Designers to develop high-quality web applications that are not only functional but also visually appealing.

Apr 10, 2026
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firstmate logo
Full-time|On-site|Seattle

Job Title: AI-Native Software EngineerJoin us at firstmate as we reshape the service economy in the US with an AI-first approach. We seek a highly skilled developer who is deeply passionate about AI-driven development. If you can deliver a feature in 3 hours that normally takes a traditional senior engineer 3 days, this is the place for you. Here, waiting for a code review is not an option.Who You AreThe Innovator: You leverage every tool at your disposal to accelerate progress. Your pride lies in rapidly delivering exceptional products.Creative Problem Solver: You possess an innate ability to grasp UI design and customer experience, resulting in software that is not only functional but also aesthetically pleasing.Proficient in AI: You are well-versed in the capabilities and limitations of LLMs, continuously optimizing your development processes.Your ResponsibilitiesRapid Delivery: You will be expected to produce results at a pace that exceeds industry standards.Full Stack Development: You will engage with frontend, backend, databases, and infrastructure to tackle any challenge that arises.User-Centric Approach: You are comfortable working with raw data to define specifications tailored to end-user needs.QualificationsStrong Design Sense: You excel at creating visually appealing products that function seamlessly.Technical Proficiency: Proficient in JavaScript, PHP, and React Native.Advanced AI Knowledge: You possess deep understanding of AI coding practices beyond basic tools like Cursor or Copilot.Startup Mindset: You thrive in a dynamic environment and can act independently to resolve issues proactively.

Dec 2, 2025
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Palantir Technologies logo
Software Engineer, New Grad

Palantir Technologies

Full-time|On-site|Seattle, WA

Join a Transformative CompanyAt Palantir, we create cutting-edge software that enables data-driven decision-making and operational excellence. Our innovative platforms empower organizations to tackle critical challenges, from developing life-saving pharmaceuticals to enhancing public safety and managing supply chains effectively.Your ImpactAs a Software Engineer at Palantir, you will play a pivotal role in revolutionizing how organizations leverage data globally. This position offers an unprecedented opportunity for rapid personal and professional growth as you contribute high-quality code to our flagship products: Palantir Gotham, Palantir Apollo, and Palantir Foundry. Your work will directly benefit research scientists, aerospace engineers, intelligence analysts, and economic forecasters worldwide. Our Product Development teams are small, agile, and focused on specific product components, fostering an environment of collaboration and communication that enhances learning and skill-sharing across teams.Key ResponsibilitiesIn this role, you will be actively involved in the entire product lifecycle—from ideation and design to prototyping, execution, and delivery. Paired with a dedicated mentor, you will closely collaborate with both technical and non-technical colleagues to understand user needs and create impactful solutions. Engaging with our end-users through site visits will provide you with invaluable insights into their challenges, whether it’s touring an assembly line or sitting alongside intelligence analysts.Core Principles of Software Engineering• Ownership: We take projects from inception to completion, overcoming challenges along the way.• Collaboration: We work alongside diverse professionals, including Software Engineers, Product Managers, Designers, and Deployment Strategists, to address customer needs effectively.• Trust: We empower our team members to manage their own time and priorities, fostering an environment that supports independent thinking while providing adequate support.

Jul 1, 2021
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Docker, Inc. logo
Full-time|$100K/yr - $100K/yr|Remote|Seattle, WA

At Docker, we simplify application development, allowing developers to concentrate on what truly matters. Our remote-first team is globally dispersed, united by a shared enthusiasm for innovation and exceptional developer experiences. With a robust user base of over 20 million monthly and 20 billion image pulls, Docker stands as the leading tool for building, sharing, and managing applications—trusted by both startups and Fortune 100 companies. Our growth trajectory is impressive, and we’re just getting started. Join us for an exciting journey!As a Staff Software Engineer on the Offload team, you will be instrumental in designing and developing the foundational systems that drive Docker’s cloud platform. Your primary focus will be on crafting scalable, reliable, and secure infrastructure that empowers developers to confidently deploy and manage containerized workloads.If you excel at solving challenges in distributed systems, enjoy collaborating at the crossroads of developer experience and cloud infrastructure, and aspire to influence the future of Docker’s platform, we would love to hear from you.

Mar 4, 2026
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Sofi logo
Full-time|On-site|WA - Seattle

Join our innovative team at Sofi as a Staff Software Engineer in the Protect division. We are looking for a talented engineer who is passionate about developing cutting-edge solutions to enhance our security and risk management capabilities. You will work collaboratively with cross-functional teams to design, implement, and maintain software systems that safeguard our users’ financial data.In this role, you will leverage your expertise in software development, problem-solving, and data analysis to create scalable and efficient applications. Your contributions will directly impact the safety and security of our platform, making a difference in the lives of our customers.

Mar 12, 2026
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dev2 logo
Full-time|On-site|Seattle

Join dev2 as a Senior Software Engineer, where you will be instrumental in designing, developing, and optimizing innovative software solutions. In this role, you will collaborate with cross-functional teams to deliver high-quality software that meets the needs of our clients.

Dec 10, 2023
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Compass logo
Full-time|$200.1K/yr - $222.3K/yr|On-site|Seattle

At Compass, we are committed to transforming the way people find their homes. Established in 2012, we have created a groundbreaking end-to-end platform that empowers real estate agents to provide exceptional service to both buyers and sellers.As a Staff Software Engineer within the Transaction Journey organization, you will leverage your expertise in microservices architecture to develop impactful products for our customers. You will lead the design and development of services that enhance the consumer experience in the real estate sector while supporting the scalability of the world's foremost brokerage. You will guide a team in creating a collaborative transaction management platform that simplifies the home buying and selling process, enabling agents to efficiently manage transactions from initial contact to closing, including accessing local forms, sending documents for electronic signatures, and handling offers.You are a passionate engineer dedicated to crafting intuitive APIs. You believe that your insights are crucial in making product and business decisions. You have a zest for learning and a desire to share your knowledge with your peers. You are an excellent communicator who strives to understand before seeking to be understood.Your design systems prioritize fault tolerance, scalability, high availability, thorough testing, and adherence to best practices, including the single responsibility principle.Your code is modular and reusable, and you take pride in delivering reliable, well-tested, peer-reviewed solutions that conform to industry standards. You have strong opinions regarding code structure, style, and development processes.At Compass, You Will:Provide strategic direction and ownership of Compass' software architecture.Develop and scale the platform that empowers real estate professionals, buyers, and sellers.Become a domain expert in real estate technology, acting as a supportive partner to our customers.Inspire, recruit, and mentor fellow engineers.Lead the architecture of our distributed microservices framework.Work in a scalable engineering culture that utilizes modern principles of decoupled systems, automated CI/CD, testing, and monitoring to enhance efficiency.Implement standard agile development methodologies.Join an exceptional team with significant visibility and exciting projects on the horizon.

Apr 3, 2026
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Anthropic logo
Full-time|$405K/yr - $485K/yr|On-site|San Francisco, CA | New York City, NY | Seattle, WA

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are not only safe but also interpretable and steerable. Our mission is to ensure that AI serves the best interests of our users and society at large. Our rapidly growing team comprises passionate researchers, engineers, policy experts, and business leaders, all collaborating to create beneficial AI technologies.About the Role:We are seeking skilled software engineers to join our Platform team. This team is responsible for building the essential foundations that enhance product development across Anthropic. We manage the infrastructure and systems that teams rely on for reliable and scalable deployment to both internal users and hundreds of thousands of external clients worldwide.In this role, you will independently define and scope complex, multi-month projects, fostering cross-organizational alignment in ambiguous problem areas. Your architectural decisions will significantly influence the way Anthropic develops and scales its products. You will collaborate closely with research teams to transform cutting-edge capabilities into market-ready solutions, ensuring a lasting impact on our platforms that serve both internal and external engineering teams.Multiple teams are actively hiring, and team assignments will be determined post-interview based on your skills, interests, and the needs of the organization. This flexible approach helps us align talented engineers with backend product initiatives where they can make the most significant impact and experience growth.Your Responsibilities:Platform Acceleration: You will enhance developer productivity for product engineers at Anthropic. This includes architecting and optimizing critical development infrastructure that fuels our AI product development, encompassing development environments, observability, and CI/CD pipelines. You will work closely with product teams to understand their workflows and eliminate friction points, resulting in a profound multiplier effect across the product organization, thus accelerating our mission.Service Infrastructure: You will build and maintain the core infrastructure that supports Anthropic's engineering efforts, ranging from service mesh and observability systems to deployment pipelines and shared libraries. Your contributions will empower product teams to construct and operate reliable services at scale, positioning you as a critical force multiplier within the company.Multicloud: You will develop and sustain the infrastructure that allows Anthropic to function seamlessly across various cloud providers, focusing on cloud-agnostic solutions that enhance our operational efficiency.

Apr 8, 2026
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Databricks logo
Full-time|$157.7K/yr - $213.8K/yr|On-site|Seattle, Washington

At Databricks, we are committed to empowering data teams to tackle the world's most challenging problems — from realizing the next mode of transportation to speeding up the progress of medical innovations. We achieve this by developing and maintaining the world's leading Data Intelligence Platform, enabling our clients to leverage profound data insights for enhancing their business operations.As a Senior Fullstack Software Engineer, you will collaborate closely with your team and product management to simplify data insights for our users. We seek engineers who are truly customer-focused, capable of embracing the complete product scope and user experience beyond mere technical execution. You will lay the groundwork for creating robust, scalable, and delightful products.Here are some of the impactful experiences you’ll help create for our customers, encompassing the entire project lifecycle from data loading to visualization, statistical modeling, and production deployment:Effortless workflows for creating, configuring, and managing extensive compute clusters, networks, and data sources.Design, deploy, test, and enhance sophisticated data pipelines with rich features to visualize data interactions.Smooth onboarding and management for all team members aiming to become data-driven.Deliver an exceptional SQL-centric data exploration and dashboard experience on the Databricks platform.Facilitate an interactive environment for collaborative data projects at a massive scale, with a straightforward pathway to production.

Jan 30, 2026
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Hive logo
Full-time|On-site|Seattle

Join Hive, a pioneering leader in cloud-based AI solutions, as a Senior Backend Software Engineer. We are on a mission to empower developers across the globe with cutting-edge AI technology. In this role, you will play a crucial part in launching innovative products and features, tackling the challenges of scalability, and creating robust web-based APIs from scratch. We seek candidates who are not only technically skilled but also passionate about building exceptional products and crafting clean, maintainable code. If you're ready to contribute to transformative AI solutions, we want to hear from you!

Apr 21, 2022
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Anduril Industries logo
Full-time|On-site|Seattle, Washington, United States

Role Overview Anduril Industries is looking for a Salesforce Software Developer in Seattle, Washington. This role focuses on building and improving Salesforce applications that support business operations and efficiency. What You Will Do Design, develop, and implement Salesforce applications that address specific business requirements Work closely with teams across the company to understand needs and deliver effective solutions Optimize the Salesforce platform for strong performance and a smooth user experience

Apr 16, 2026
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Confluent logo
Full-time|On-site|Seattle, Washington

Join Confluent as a Senior Software Engineer II, where you will play a pivotal role in developing innovative data streaming solutions. You will collaborate with a talented team to build, enhance, and maintain our cutting-edge technology that empowers organizations to harness the power of real-time data.

Mar 19, 2026
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Comtech LLC logo
Contract|On-site|Seattle

We are seeking a highly skilled Senior Software Development Manager to lead our innovative software development team. In this role, you will oversee the software development lifecycle, ensuring the delivery of high-quality software solutions that meet our clients' needs. You will collaborate with cross-functional teams to define project scope, objectives, and deliverables, while also mentoring and guiding team members to reach their full potential.

Feb 24, 2017
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Axon Enterprise, Inc. logo
Senior Software Engineer II

Axon Enterprise, Inc.

Full-time|$148.5K/yr - $237.6K/yr|Hybrid|Seattle, Washington, United States

Become a Catalyst for Change at Axon.At Axon, we are dedicated to the mission of Protecting Life. We are innovators tackling society's most pressing safety and justice challenges through our portfolio of devices and cloud-based software solutions. We believe in collaboration, engaging openly and empathetically with diverse perspectives from our customers, communities, and each other.Life at Axon is dynamic, challenging, and filled with purpose. Here, you will have the opportunity to take ownership and initiate meaningful change. You will continuously develop your skills while contributing to a mission that truly matters in a company that values your contributions.Your ImpactAs a Senior Engineer on our team, you will play a pivotal role in the architectural decisions that define our product offerings. You possess a deep understanding of cloud services that demand high availability and consistent performance. Your passion for utilizing the latest open-source technologies is matched by your ability to leverage system design expertise to make sound technical choices for robust systems.You excel at navigating competing engineering trade-offs while employing empathy to discern innovative solutions to our customers' challenges. Collaborating closely with product managers and designers, you will ensure that we are creating the right solutions that meet our customers' needs. Additionally, you take pleasure in mentoring fellow engineers, serving as an active teacher to elevate the skills of your colleagues.Join a passionate, mission-driven team committed to making a positive impact on the lives of first responders and the communities they serve.

Apr 7, 2026
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Airwallex logo
Full-time|On-site|US - Seattle

Join our innovative team at Airwallex as a Senior Software Engineer focusing on productivity enhancements. In this role, you will leverage your expertise to develop and optimize software solutions that drive efficiency and enhance team collaboration. You will collaborate closely with cross-functional teams to identify opportunities for improvement and implement best practices in software development.

Apr 9, 2026
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Anduril Industries logo
Full-time|On-site|Seattle, Washington, United States

Role Overview Anduril Industries is seeking a Staff Software Engineer for the QualityOS team in Seattle, Washington. This role centers on building software that improves the quality and reliability of advanced defense technologies. What You Will Do Design and implement software systems that support mission-critical applications Work closely with engineers to develop and refine solutions that raise the bar for quality and reliability Focus on quality assurance, testing, and performance optimization throughout the development process What We're Looking For Strong background in software engineering principles Experience with quality assurance and testing methodologies Ability to optimize software for performance and reliability Collaborative approach to problem solving within a technical team

Apr 16, 2026
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Opendoor Technologies Inc. logo
Backend Software Engineer - Pricing

Opendoor Technologies Inc.

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

Join Opendoor as a Backend Software Engineer focused on Pricing, where you will play a pivotal role in shaping the future of real estate transactions. You will leverage your technical expertise to develop and optimize backend systems that drive pricing strategies, ensuring our platform delivers accurate and timely information to our users.

Mar 26, 2026

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