Software Development Engineer In Test Sdet With Javascript jobs in Seattle – Page 4 | RoboApply Jobs

Software Development Engineer In Test Sdet With Javascript jobs in Seattle· Page 4

Results 61–80 of 870 for “Software Development Engineer In Test Sdet With Javascript” in Seattle.

870 jobs found

61 - 80 of 870 Jobs
Apply
Ditto logo
Full-time|Remote|Remote (Atlanta, Austin, San Francisco, Seattle)

About Ditto Ditto builds technology that keeps data moving reliably, even when networks are unreliable or unavailable. Developers use Ditto’s peer-to-peer synchronization engine to power real-time applications for places where connectivity is a challenge: stadiums, aircraft, and remote military bases. Trusted by organizations such as Chick-fil-A, Delta Airli…

Apr 19, 2026
Apply
Plaid Inc. logo
Full-time|On-site|Seattle, WA

Join our innovative team at Plaid as a Senior Backend Software Engineer. In this role, you will be responsible for developing scalable backend systems that empower our users and partners. Your expertise in backend development will help us enhance our platform's capabilities and deliver exceptional user experiences.

Mar 2, 2026
Apply
Aircall logo
Full-time|On-site|Seattle Office

Join Aircall as a Senior Backend Software Engineer and play a pivotal role in shaping our backend systems. You will be responsible for designing and implementing scalable, reliable, and high-performance software solutions. Collaborate with cross-functional teams to develop innovative solutions that meet our customers' needs.

Mar 26, 2026
Apply
Read AI logo
Full-time|$160K/yr - $180K/yr|On-site|Read AI - Seattle HQ

About the Role:Join our dynamic Mobile Team at Read AI, where we harness cutting-edge technology to capture and process valuable audio data that fuels our innovative applications. Our mission is to provide smarter, real-time insights across various use cases, enhancing engagement and productivity for thousands of users daily. We thrive in an environment of creativity, collaboration, and technical excellence, focusing on versatile mobile experiences that make a difference.Our iOS and Android applications empower users to capture audio effortlessly and receive AI-generated transcripts and summaries in real time, ensuring that they remain engaged and present during conversations. As we expand the ways in which users interact with Read AI, we are dedicated to creating a seamless cross-device experience, allowing users to record, view, and access Read AI wherever they are.We are on the lookout for a talented iOS/Android Software Engineer to spearhead the development of our mobile applications and contribute to the future of Read AI. This role is crucial in scaling high-performance, AI-driven experiences to reach a wider audience. If you are passionate about building fast, reliable mobile products that make a real-world impact through AI, we want to hear from you!

Jan 7, 2026
Apply
Truveta logo
Internship|$20/hr - $20/hr|Hybrid|Seattle, WA

Join Us as an Agentic AI Software Testing Intern – Intelligence Platform (IPA)At Truveta, we are pioneering the world's first health provider-led data platform with a vision to Save Lives with Data. Our mission is to empower researchers to accelerate the discovery of cures, enable clinicians to excel in their expertise, and assist families in making informed healthcare decisions. Achieving this ambitious vision requires a dynamic team of talented individuals who possess a unique blend of healthcare, software, and big data expertise, and who are aligned with our company values.This internship is located in the Greater Seattle area, and we expect interns to work from our office multiple days a week. #LI-hybridWho We Are Looking For:Truveta is rapidly assembling a talented and diverse team to address complex health and technical challenges. We are in search of problem solvers, passionate collaborators, and individuals ready to take initiative while making a meaningful impact. If you are eager to engage in purposeful work and grow your skills, we invite you to apply!

Mar 25, 2026
Apply
Anduril Industries logo
Full-time|On-site|Seattle, Washington, United States

Join Anduril Industries as a Senior Software Engineer specializing in game development. In this pivotal role, you will contribute to the design and implementation of cutting-edge gaming technologies that drive our innovative defense solutions. Collaborate with a talented team of engineers and artists to create immersive and interactive experiences that push the boundaries of gaming.

Apr 13, 2026
Apply
Ditto logo
Full-time|Remote|Remote (Atlanta, Austin, San Francisco, Seattle)

About Ditto Ditto builds technology for data mobility at the edge, helping developers create real-time applications that keep working even when networks are unreliable or disconnected. Our peer-to-peer sync engine keeps devices in sync and data accurate, whether in a stadium, on an airplane, or at a remote military site. With over $145 million in funding, Ditto is trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military. Our technology supports critical operations in aviation, retail, travel, hospitality, and defense. As a growing startup with a global team, Ditto values diversity and inclusion to solve complex connectivity problems worldwide. Role Overview: Senior Software Engineer, Forward Deployed Engineering This role is remote and open to candidates in Atlanta, Austin, San Francisco, or Seattle. Forward Deployed Engineers (FDEs) at Ditto work directly with major customers to implement our technology in the field. FDEs help users solve complex, real-world problems by integrating Ditto’s software into their operational environments. This hands-on work accelerates how quickly customers see value from our products. FDEs also act as a bridge between users and Ditto’s product engineering team, sharing technical feedback and feature requests based on firsthand experience. The role suits engineers who enjoy tackling tough problems, adapting quickly, and staying calm under pressure. What You Will Do Integrate with Military Avionics Data Buses: Lead on-site integration of Ditto’s solutions with airborne and ground platforms by building data ingestion and translation layers for MIL-STD-1553 and ARINC 429 avionics buses. Implement Tactical Datalink Interfaces: Design and deploy software interfaces to interpret, convert, and manage messages from tactical datalinks, including Link 16 and Situational Awareness Data Link (SADL), supporting reliable machine-to-machine communication in demanding settings. Enable Cursor-on-Target (CoT) Data Flows: Build and maintain CoT event pipelines that move platform sensor data into the C5ISR ecosystem, ensuring timely and relevant data delivery. Real-Time Problem Solving: Serve as the main technical support in the field, quickly diagnosing and resolving software, protocol, and integration issues as they arise.

Apr 17, 2026
Apply
Anduril Industries logo
Full-time|$220K/yr - $292K/yr|On-site|Seattle, Washington, United States

This Senior Manager, Software Engineering - Game Development position is based in Seattle, Washington. The role centers on leading a team responsible for building interfaces that power complex, mission-critical defense systems. The team’s work directly supports visualization and simulation efforts, ensuring high reliability and strong performance in demanding environments. Team focus The Carbon team at Anduril develops a custom, high-performance game engine used for defense visualization and simulation. Their responsibilities include designing and maintaining graphics infrastructure, rendering systems, and core engine technology. The team balances the demands of AAA game engine development with the security and reliability standards required for national defense. Products like Sand Table rely on this group’s work to deliver accurate, real-time scenarios. What you will do Lead and mentor: Manage and support a group of more than five software engineers. Guide hiring, performance management, and career development. Foster a collaborative, high-performing culture. Drive technical strategy: Collaborate with product managers and stakeholders to set the technical vision and define the roadmap for the team. Role impact This role shapes both the technical direction and team culture, ensuring delivery of software that meets the performance and reliability needs of defense visualization and simulation. The Senior Manager will help set priorities, support rapid iteration, and uphold rigorous standards for quality and security.

Apr 27, 2026
Apply
HackerOne logo
Full-time|On-site|Seattle

Join HackerOne as a Senior Software Engineer on our cutting-edge AI Platform team. In this role, you will be pivotal in designing and developing innovative AI solutions that enhance our security platform. We are looking for a skilled engineer who thrives in a collaborative environment and is passionate about leveraging technology to solve complex challenges in cybersecurity.

Mar 16, 2026
Apply
dev2 logo
Full-time|On-site|Seattle

We are seeking a talented and experienced Senior Software Engineer to join our dynamic team at dev2. In this role, you will leverage your expertise in software development to design and implement innovative solutions that enhance our product offerings and drive business success.As a Senior Software Engineer, you will be responsible for:Developing high-quality software solutions using modern programming languages and frameworks.Collaborating with cross-functional teams to define, design, and ship new features.Mentoring junior engineers and sharing best practices to foster a culture of continuous improvement.Debugging and optimizing existing code to improve performance and maintainability.Participating in code reviews and ensuring adherence to development standards.

Dec 11, 2023
Apply
SoFi logo
Full-time|On-site|WA - Seattle

Join SoFi as a Senior Software Engineer in our Protect team, where you will lead innovative projects that enhance our platform's security and user experience. You will collaborate with cross-functional teams to design, develop, and implement software solutions that protect our users' data and provide a seamless experience.

Mar 12, 2026
Apply
Axon Enterprise, Inc. logo
Full-time|$168.8K/yr - $270K/yr|On-site|Seattle, Washington, United States

Join Axon and be a Force for Good.At Axon, our mission is to Protect Life. We are pioneers tackling society's most pressing safety and justice challenges through our innovative ecosystem of devices and cloud-based software. Our collaborative environment fosters open communication and the pursuit of diverse perspectives from customers, communities, and one another.Life at Axon is dynamic, rewarding, and impactful. Here, you will own your projects and drive significant change while continuously growing with a company dedicated to making a difference.Your ImpactThe Justice and Corrections team is dedicated to developing new solutions that enhance efficiency, accountability, and equity within the Criminal Justice and Corrections systems, ultimately leading to improved outcomes for all stakeholders. As a Staff Software Engineer on this team, you will assist prosecutors, public defenders, and corrections officers in managing their significant workloads, alleviating challenges for both victims and the accused by ensuring fair and effective administration of justice. Your contributions will have a profound impact on communities by enhancing these vital societal systems.Leveraging your expertise in constructing large-scale cloud services, you will collaborate with fellow Staff and Senior Engineers to guide the technical vision of our team. Your robust system design capabilities will empower you to adopt a comprehensive approach in ensuring our products achieve exceptional standards for fault tolerance, scalability, and performance. Your commitment to customer satisfaction will drive you to partner with product and design teams to envision and implement innovative solutions to critical customer challenges.With a high standard of excellence, you will adeptly guide teams in making technical decisions that produce highly reliable systems. As a force multiplier, you will nurture and mentor the next generation of engineering leaders, fostering an inclusive and open culture that encourages candid discussions and minimizes bureaucratic obstacles. You exemplify our core value of Join Forces and have no tolerance for non-collaborative attitudes.As a seasoned technical contributor, your passion for technology keeps you informed about the latest trends, frameworks, and tools. In your role as a technical leader, you will advise senior management (Director/Senior Director/Vice President) on the technical strategy for the broader department, balancing business and engineering priorities to identify the right long-term initiatives and investments.

Mar 27, 2026
Apply
HackerOne logo
Full-time|On-site|Seattle

Join HackerOne as a Senior Software Engineer on our Platform team, where you will help build and enhance our cutting-edge security platform. In this pivotal role, you'll contribute to the development of robust systems that empower organizations to manage their security vulnerabilities effectively.Your expertise will be crucial in driving platform improvements, optimizing performance, and ensuring a seamless user experience. Collaborate with cross-functional teams to design, implement, and maintain scalable software solutions that meet the needs of our customers.

Mar 26, 2026
Apply
Compass logo
Full-time|$176K/yr - $196.1K/yr|On-site|Seattle

Compass creates technology for residential real estate agents, sellers, and buyers. Since 2012, the company has built an end-to-end platform designed to make real estate transactions smoother for everyone involved. Role overview The Senior Software Engineer II will help expand important areas of the Compass platform, including search, authorization, and transaction management. The work centers on microservices architecture and has a direct impact on products that shape the customer experience. What you will do Design and build backend services and features using a microservices approach Lead technical projects in core platform areas like search and transaction management Work closely with engineers and stakeholders to deliver reliable, scalable solutions Help evolve Compass’s engineering standards and practices Location This role is based in Seattle.

Apr 22, 2026
Apply
Docker logo
FullTime|On-site|Seattle, WA

At Docker, our mission is to simplify app development, allowing developers to concentrate on what truly matters. Our globally distributed, remote-first team is united by a shared passion for innovative solutions and exceptional developer experiences. With a robust user base of over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and executing applications—trusted by both startups and Fortune 100 companies. We're in a phase of rapid growth and eager to welcome new talent who share our vision!We are on the lookout for an accomplished Senior Principal Engineer to act as the technical architect and visionary for our Bridge organization—the essential platform that underpins accounts, billing, data management, developer tools, and enterprise governance across all Docker products. This pivotal individual contributor role is charged with defining and driving the technical strategy that will facilitate Docker's evolution from a suite of individual products to a cohesive enterprise platform, ready to support our next growth phase.In this capacity, you will formulate comprehensive technical plans that resonate across multiple engineering teams, make critical architectural choices that have a significant impact on Docker's entire product suite, and lead cross-company initiatives that directly influence revenue generation. Collaborating at the intersection of Accounts, Billing, Data, Platform Infrastructure, Developer Tools, and Enterprise Governance, you will ensure that these foundational systems operate seamlessly to support Docker's transformative business model, transitioning from seat-based to usage-based pricing, expanding into AI and security solutions, and scaling our enterprise customer base from tens of thousands to hundreds of thousands.The ideal candidate will possess a unique blend of deep technical expertise across various domains and the business insight necessary to translate Docker's commercial objectives into actionable platform capabilities. You will be recognized as the go-to expert on platform architecture across Docker, advising executives on critical technical decisions and ensuring that product teams can rapidly launch enterprise-ready features, supported by a robust underlying platform.

Dec 19, 2025
Apply
dev2 logo
Full-time|On-site|Seattle

Join dev2 as the Director of Engineering - Interface Development, where you'll lead innovative projects that enhance user experiences through cutting-edge interface technologies. We are looking for a visionary leader who can foster collaboration among cross-functional teams and drive the engineering efforts to create highly efficient and scalable systems.

Dec 11, 2023
Apply
Anduril Industries logo
Full-time|$166K/yr - $220K/yr|On-site|Costa Mesa, California, United States; Seattle, Washington, United States; Washington, District of Columbia, United States

At Anduril Industries, our mission is to revolutionize the defense technology landscape by leveraging cutting-edge innovation to enhance military capabilities for the United States and its allies. By integrating advanced technologies and modern business practices from the forefront of industry, we are reshaping the design, development, and deployment of military systems. Our systems are driven by Lattice OS, an artificial intelligence-powered platform that synthesizes vast data streams into a dynamic, real-time 3D command and control environment. In an era marked by strategic competition, we are dedicated to delivering next-gen autonomy, artificial intelligence, computer vision, sensor fusion, and networking technologies to military applications in a matter of months, not years.ABOUT THE TEAMThe Air Dominance & Strike team at Anduril is at the forefront of developing innovative aerial and multi-domain robotic systems. We take pioneering products such as Fury, an unmanned fighter jet, and Barracuda, an air-breathing cruise missile, from conceptualization to operational readiness. Our team is also involved in advancing Lattice for Mission Autonomy, Anduril’s flagship software platform that empowers fleets of Fury, Barracuda, and other robotic systems to seamlessly collaborate across varied missions. We work closely with specialized teams in Perception, Motion Planning, Hardware, and Test Engineering to tackle some of the most complex challenges faced by our clients. We are seeking passionate software engineers and roboticists eager to contribute to the development of a robust autonomy software stack encompassing computer vision, motion planning, SLAM, controls, estimation, and secure communications.

May 1, 2026
Apply
Comtech LLC logo
Full-time|On-site|Seattle

We are seeking a skilled Software Development Manager to lead our dynamic development team at Comtech LLC. In this role, you will be responsible for overseeing the design, development, and implementation of software solutions that drive our business forward. You will collaborate with cross-functional teams to ensure the delivery of high-quality products while mentoring and guiding team members in their professional growth.

Oct 26, 2016
Apply
BRINC logo
Full-time|On-site|Seattle, WA

About BRINC:At BRINC, we are revolutionizing public safety through an innovative suite of life-saving technologies. Our journey began with the creation of drones and ruggedized throw phones, specifically designed to navigate hazardous environments and facilitate communication for de-escalating critical situations. Today, we have expanded our focus to include the development and deployment of advanced 911 response networks, where drones are dispatched to emergency calls to provide real-time visual data, greatly enhancing safety and enabling effective responses. Our state-of-the-art solutions are currently utilized by over 600 public safety agencies across the United States, and we have successfully raised over $150 million from esteemed investors such as Index Ventures, Motorola Solutions, Sam Altman, Dylan Field, Mike Volpe, Alexandr Wang, among others. At BRINC, we are dedicated to attracting the finest talent globally to support our mission of empowering first responders to save lives.About this Role:We are on the lookout for a Senior or Principal Backend Software Engineer who will take charge of critical components of our software systems, actively contributing to the design, development, and optimization of our technology stack. In this role, you will collaborate closely with cross-functional teams, utilizing your technical expertise to deliver high-quality and scalable software solutions. This is a thrilling opportunity to be part of a dynamic startup environment and to make a substantial impact on the company's trajectory.Key Responsibilities:Drive the development of a scalable backend platform that underpins our global real-time services.Ensure that our platform remains secure, reliable, and high-performing.Construct and enhance our platform infrastructure and development tools.Rapidly prototype new projects and ideas to meet the needs of our customers and internal stakeholders.Collaborate with cross-functional hardware and autonomy teams to address challenges such as streaming and presenting live drone data in formats accessible to non-technical users.Qualifications:Bachelor's, Master's, or PhD in Computer Science or a related field, with 5+ years of experience in delivering high-quality code and developing robust infrastructure. Note - we are open to candidates for mid-career, senior, and principal positions.Proven experience in building backend platforms, from infrastructure to API level (bonus points for experience in real-time data platforms, scalable microservice architectures, and handling security and encryption requirements).Familiarity with modern cloud infrastructure (AWS, GCP, Azure, etc.) is highly desirable.

Aug 15, 2025
Apply
Brex logo
Full-time|$192K/yr - $240K/yr|Hybrid|Seattle, Washington, United States

Why join usAt Brex, we are pioneering a new era in financial management with our AI-driven spend platform. Our mission is to empower businesses with confidence through integrated corporate cards, banking solutions, and global payments, alongside innovative software for streamlined travel and expense management. We proudly serve tens of thousands of clients, from agile startups to major enterprises, including DoorDash, Flexport, and Compass. Our platform enables proactive spend control, cost reduction, and enhanced efficiency across the globe.Joining Brex means pushing your boundaries, challenging conventional wisdom, and collaborating with some of the most innovative minds in the industry. We are dedicated to fostering a diverse team and an inclusive culture, believing that your potential should only be limited by your ambitions. We provide the tools, resources, and support you need to advance your career.AI at BrexOur AI Engineering team at Brex is transforming how businesses manage their finances by embedding intelligent, autonomous systems directly into our platform. We develop AI agents that not only provide insights but also take actionable steps, optimizing spending, managing workflows, and making real-time decisions for our clients. By seamlessly integrating proprietary financial data with our product and platform infrastructure, we simplify complex financial operations into efficient, automated experiences, establishing a new standard in modern finance.Your RoleAs a Senior Software Engineer, you will take charge of Brex's simulation and validation platform for our AI-driven products. Your primary objective is clear: ensure that every AI interface at Brex undergoes rigorous testing under demanding, realistic conditions, enabling our teams to deploy solutions with confidence.You will develop a system that leverages synthetic data and scenario generation in a recursive self-improvement loop. Product teams will depend on this system to identify regressions before they reach our customers, validate new features safely, and continuously enhance prompts and agent behavior. The platform will operate in isolated, ephemeral environments closely resembling production to ensure reliability.This role is not about research; it's about rigorously testing real products, creatively breaking them, and driving the organization towards improvement.Work EnvironmentThis position is based in our Seattle office, where we embrace a hybrid work culture that combines the vibrancy and connection of in-office collaboration with the flexibility of remote work. Team members are required to be in the office three days a week (Monday, Wednesday, and Thursday), with the option for up to four weeks of fully remote work each year!

Mar 2, 2026

Sign in to browse more jobs

Create account — see all 870 results

Tailoring 0 resumes

We'll move completed jobs to Ready to Apply automatically.