Senior Back End Software Engineer

Join Adora, a dynamic and rapidly expanding SaaS company based in Seattle and NYC, as we revolutionize a trillion-dollar industry. Our innovative platform empowers enterprise B2C brands to reclaim control from platform algorithms. Leveraging AI, our performance marketing solution offers Speed at Scale, enabling creative teams to stay ahead of the evolving demands from Meta and Google while achieving significant improvements in ROAS.We are on the lookout for a Senior Fullstack Engineer who prioritizes user experience over mere features. In this pivotal role, you will design and structure our customer-facing platform, gaining insights into marketers' workflows, and laying the technical groundwork that simplifies their tasks. This hands-on position involves daily coding and significantly influences the evolution of our entire system.Technology Stack: Python, MySQL, AWS, Big Query, React, TypeScript

We are seeking a highly skilled and experienced Lead Senior Staff Software Engineer specializing in front-end fundamentals to join our innovative team at The Trade Desk. In this role, you will lead the development of cutting-edge front-end solutions that enhance user experience and drive our product's success. You will collaborate closely with cross-functional teams, guiding junior engineers and fostering a culture of excellence in software development.

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.

Role overview Pearl Health is hiring a Senior Full Stack Software Engineer. This role focuses on building and improving web applications that support healthcare technology. The position can be based in Seattle, New York City, Boston, or fully remote. What you will do Develop web applications that are reliable and can scale as usage grows Work with teams across product, design, and engineering to create new features and solutions Contribute to both front-end and back-end codebases, helping projects move from early ideas to launch Find ways to improve user experience within Pearl Health's products Who succeeds in this role Experienced engineers comfortable working across the stack Those who enjoy collaborating with a variety of disciplines People who care about building technology that supports better healthcare outcomes

Aerostrat is seeking a Senior Full-Stack Software Engineer in Seattle. This position involves leading projects that influence the direction of our technology. The role calls for experience in both front-end and back-end development, with a focus on building applications that serve users effectively. Role overview As a Senior Full-Stack Software Engineer, you will work with teams across disciplines to design and implement scalable solutions. The position emphasizes collaboration and a commitment to refining our development processes. What you will do Lead and contribute to key software projects from concept to delivery Develop and maintain both front-end and back-end components Work closely with cross-functional teams to ensure applications meet user needs Help drive improvements in our engineering practices Requirements Strong background in full-stack development Experience building scalable web applications Ability to collaborate effectively with diverse teams

At NiCE, we redefine our boundaries, constantly pushing ourselves to achieve greater heights. We are driven by ambition, innovation, and a desire to excel. If you share our passion for excellence, we invite you to explore a career that ignites your potential.The Opportunity:As we expand our U.S.-based Research & Development team, we are in search of talented Senior Full Stack Software Engineers ready to elevate our offerings. This position is not for those who are content with the status quo. We are assembling a select group of elite full-stack engineers who integrate AI-assisted development as a fundamental aspect of their work, enabling them to surpass traditional development teams in delivering high-quality software rapidly and intelligently.In this role, you'll engage with a contemporary full-stack environment, contributing to NiCE’s innovative suite of AI-driven customer experience solutions. If you thrive in a dynamic product landscape and understand that the best code is the code that is deployed, this is the perfect team for you.Your Impact:Develop comprehensive features using a Node.js/TypeScript or Go backend alongside a React + TypeScript frontend, spanning from architecture to deployment.Drive AI-assisted development by utilizing tools like Claude Code and OpenAI Codex as integral components of your daily workflow, rather than an afterthought.Enhance the Software Development Life Cycle (SDLC) by creating and implementing AI-augmented development processes that effectively reduce cycle times, automate repetitive tasks, and enhance code quality.Establish team standards by sharing technical guidelines, fostering a culture of code reviews, and promoting best practices that shape the team's operations.Engage collaboratively with product managers, designers, and fellow engineers in a fast-paced, team-oriented environment where your contributions are valued.Take ownership of your projects from initial concept through to deployment, ensuring reliability, performance, and user satisfaction.

Why join usAt Brex, we are revolutionizing the way companies manage their spending with our AI-driven platform. Our integrated solutions encompass corporate cards, banking, and global payments, enhanced by user-friendly software for travel and expense management. Trusted by a diverse range of businesses, from startups to established enterprises like DoorDash, Flexport, and Compass, Brex empowers organizations to take control of their spending, optimize costs, and boost efficiency on a global scale.Joining Brex means pushing your boundaries, challenging conventional thinking, and collaborating with some of the brightest talents in the industry. We are dedicated to fostering a diverse workforce and an inclusive culture, believing that your potential is only limited by your ambition. We provide the necessary tools, resources, and support to help you elevate your career.Engineering at BrexEngineering at Brex focuses on building scalable systems with purpose and speed. Our teams, which include Software, Data, Security, and IT, operate with high autonomy and strong collaboration. We tackle challenging technical problems, take ownership of our results, and strive for excellence at every stage—from architecture to deployment. It’s a setting where engineering is an art, and builders evolve into leaders.Your RoleAs a Senior Full-Stack Software Engineer on the Task Workflows Platform team, you will develop and enhance the foundational infrastructure that drives core experiences across Brex. Your work will span our comprehensive suite of platforms, including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will play a critical role in advancing our task orchestration infrastructure, transitioning from a centralized model to specialized solutions tailored to distinct product domains.You'll face intricate full-stack challenges, designing scalable backend APIs and rule-evaluation engines for custom automations, all while creating intuitive frontend user experiences for our task interfaces and workflow builders. Additionally, you will contribute to shaping broader product experiences, utilizing AI to optimize user workflows and supporting the continuous enhancement of our productivity tools across web and mobile platforms.Work EnvironmentThis position is based in our Seattle office. We embrace a hybrid work model that blends the dynamic interaction of office life with the flexibility of remote work. Currently, we require at least three coordinated in-office days each week, specifically on Monday, Wednesday, and Thursday.

The Trade Desk is looking for a Senior Full Stack Software Engineer to join the Omnichannel division. This position centers on designing and building software that enhances user experiences across a range of platforms. Projects involve both web applications and integrated advertising technology. Key responsibilities Collaborate with engineering, product, and design teams to deliver applications for the omnichannel platform Develop and maintain software that integrates with The Trade Desk’s advertising technology stack Work on both front-end and back-end systems to support seamless user interactions Locations This role is open in Bellevue, Boston, Boulder, Chicago, Denver, Irvine, Los Angeles, New York, San Francisco, San Jose, Seattle, and Ventura.

About UsIntegrate is a pioneering software company headquartered in Seattle, dedicated to developing innovative program management solutions for cutting-edge technologies, including robotics, autonomous vehicles, and aerospace engineering. We streamline collaboration across organizations within the deep tech sector, allowing teams to work with external partners and stakeholders as effortlessly as they collaborate internally. Our goal is to transform the way businesses interact in the burgeoning deep tech landscape by minimizing communication barriers and reducing workload. Our SolutionCurrent software offerings often fall short of keeping pace with the intricate demands of hardware development in deep tech industries. At Integrate, we are crafting tailored software solutions that enhance clarity, efficiency, and communication among all stakeholders, thereby enabling teams to accelerate their innovation processes. About the RoleWe are in search of a Full Stack Engineer to join our team and contribute to the development and enhancement of Integrate’s product layer. This role encompasses the entire tech stack—from creating user interfaces using React to developing Go APIs and managing the integrations that connect them—positioning you at the heart of our product-user interface.Your initial focus will include developing features for our cross-domain solution workflows, optimizing the presentation of complex project data for users, and aiding in the development of our API and integration services. You will collaborate closely with product managers, designers, and backend engineers to deliver impactful solutions, prioritizing the quality and craftsmanship of your work.As a member of a small team, you will take full ownership of your projects. If you build it, you are responsible for its success.What You'll Work OnCreate and enhance React-based UI components that simplify complex workflow management for users.Design and maintain RESTful APIs and GraphQL interfaces in Go, catering to both internal and external users.Develop and refine data models in PostgreSQL, focusing on schema design, query optimization, and migration strategies.Contribute to our GraphQL integration layer, ensuring that resolvers are efficiently structured and performant.Build and sustain integration services in Go that seamlessly connect internal systems with external APIs, managing everything from interface design to error handling and observability.Implement and manage CI/CD pipelines using GitHub Actions, covering build, test, and deployment processes across various environments.Deliver clean, well-tested, and maintainable code throughout the tech stack, always striving to improve the existing codebase.Tech StackWe utilize React, Golang, GraphQL, REST, PostgreSQL, and GitHub Actions, with Tailwind CSS also being part of our development environment.

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.

At Anduril Industries, we are redefining the landscape of defense technology. Our mission is to revolutionize the capabilities of the U.S. and allied military forces through innovative technology. By integrating the expertise and cutting-edge solutions from some of the most progressive companies of the 21st century into the defense sector, we are transforming the design, construction, and marketing of military systems. Our advanced systems are powered by Lattice OS, an AI-driven operating system that seamlessly integrates multiple data streams into a real-time, 3D command and control center. As we navigate an era of strategic competition, Anduril is dedicated to delivering state-of-the-art autonomy, AI, computer vision, sensor fusion, and networking technology to military operations in a matter of months, not years.ABOUT THE ROLEWe are looking for a talented Full Stack Security Software Engineer to develop innovative security tools aimed at safeguarding our diverse range of products, including the detection of potential cybersecurity threats within embedded Linux systems and Android devices. The successful candidate will possess extensive skills in full-stack development, ranging from Linux eBPF programs to cloud backends and everything in between.KEY RESPONSIBILITIESDesign and develop cybersecurity tools specifically for embedded Linux and Android platforms.Build and maintain robust backend services utilizing REST APIs on cloud infrastructure.Create intuitive front-end applications using React and TypeScript.Manage cloud infrastructure efficiently with Terraform and/or AWS CDK.Collaborate with cross-functional teams to identify security requirements and implement effective solutions.Conduct code reviews to ensure compliance with security best practices.Stay abreast of emerging security threats and technologies.

Join finvari as a Senior or Staff Frontend/Full-Stack Engineer, where your expertise will help us shape innovative solutions that drive our mission forward. We are looking for a passionate engineer who thrives in a dynamic environment and is eager to contribute to cutting-edge projects.

Axon is seeking a Senior Full Stack Engineer to join the team in Seattle, WA. This position involves building and maintaining applications that advance law enforcement and public safety. The work spans both front-end and back-end development, with an emphasis on practical solutions and thoughtful design. Key responsibilities Develop and maintain scalable applications across the technology stack Collaborate with engineers, designers, and cross-functional teams to deliver reliable features Contribute to the design, implementation, and ongoing support of complex systems Help advance Axon's mission to protect life and reduce harm using technology Location This role is based in Seattle, Washington.

Superhuman embraces a vibrant hybrid working model for this position, allowing team members to enjoy focused work time coupled with in-person collaboration, fostering trust, innovation, and a robust team culture.About SuperhumanAs a part of Superhuman, Grammarly is committed to enhancing productivity through our innovative AI-powered platform. Our suite of applications integrates seamlessly with over 1 million tools and websites, empowering users to achieve their full potential. From Grammarly’s writing assistance to Coda’s collaborative workspaces, our products are designed to help over 40 million users, 50,000 organizations, and 3,000 educational institutions around the globe focus on what truly matters. Discover more at superhuman.com and explore our core values here.The OpportunityIn pursuit of our ambitious vision, we are seeking talented Full-Stack Software Engineers to join our engineering teams. As a Full-Stack Engineer at Superhuman, you will be instrumental in developing key components of our product, infrastructure, and features that enable millions to communicate more clearly and effectively every day. You’ll have the chance to work on both Front-End and Back-End projects, contributing to high-impact initiatives.Our engineers and researchers are encouraged to innovate and drive breakthroughs that directly shape our product roadmap. As we scale our technology, the complexity of our challenges increases, providing an exciting environment for growth. Learn more about our engineering insights on our technical blog.Superhuman is rapidly expanding, presenting opportunities for you to join a collaborative team, learn from seasoned professionals, and contribute to building innovative product offerings from inception. Our growing engineering organization offers ample opportunities for ownership and significant impact on user experience.As a Full-Stack Engineer, your responsibilities will include:Launching and deploying code within your first week, driving impactful features in your initial months.Building and maintaining production services with high call rates on the Back-End while creating engaging user interfaces on the Front-End.Aiming for high availability to serve both consumer and enterprise clients effectively.

Employee Applicant Privacy NoticeAbout Us:At SoFi, we are dedicated to shaping a brighter financial future. Our mission is to revolutionize the way individuals engage with personal finance. As a next-generation financial services company and national bank, we leverage innovative, mobile-first technology to empower millions of members in achieving their financial goals. The industry is undergoing a significant transformation, and we are proud to be at the forefront of this change. Join us in investing in your career and the financial landscape.The Opportunity:We are on the lookout for a Senior Full-Stack Software Engineer to join our dynamic team. SoFi is expanding its crypto product offerings, creating a new team focused on delivering exceptional crypto services for our members. With recent advancements paving the way for our return to the crypto space, we aim to develop secure, intuitive, and comprehensive solutions in crypto Investing, Transfers, Payments, Custody, and beyond.As a key member of our team, you will be involved in all aspects of development, including functional implementation, system architecture, bug resolution, and code health maintenance, while continuously evolving as an engineer. The ideal candidate is hands-on, possesses a strong sense of ownership, and is passionate about delivering quality. We excel in collaboration between Product, Design, and Engineering, allowing you to engage in the entire product lifecycle from ideation to deployment and ongoing enhancement.At SoFi, you will be part of a revolutionary finance company dedicated to helping our members achieve financial independence. Our commitment to being at the center of our members’ financial lives drives us to innovate continually and expand our product range across loans, wealth management, and insurance. With our impressive growth trajectory, we are eager to attract exceptional talent, starting with you.

Become a Force for Good with Axon.At Axon, our mission is to Protect Life. We tackle society’s most pressing safety and justice challenges with our innovative ecosystem of devices and cloud-based software. Like our products, we believe in the power of collaboration. We engage with honesty and empathy, embracing diverse perspectives from our customers, communities, and each other.Life at Axon is fast-paced, fulfilling, and impactful. You’ll take ownership of your work and drive meaningful change. Experience continuous growth while contributing to a mission that matters at a company that values your contributions.Your ImpactAs a Staff Full Stack Software Engineer, you will play a pivotal role in the development of Axon Records, a cloud-based records management system that revolutionizes how law enforcement agencies manage and access data. By enhancing report writing and approval workflows through structured data entry, real-time collaboration, and intelligent automation, our goal is to empower officers to spend more time serving their communities and less time on administrative tasks.We are looking for a dedicated engineer with extensive experience in building large-scale software applications. You should possess a strong interest in backend technologies while also being knowledgeable about frontend and mobile technologies. Your passion for nurturing scalable cloud-based systems and the engineering teams that support them will be crucial. You will introduce innovative concepts to our engineering architecture and help guide the evolution of our Records Management system as we scale.Join us in an exciting environment where your expertise, passion, and analytical skills will contribute to new solutions that enhance public safety and create a positive impact in the world.

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are not only reliable but also interpretable and steerable. Our goal is to ensure that AI serves the best interests of our users and society as a whole. Our rapidly expanding team consists of passionate researchers, engineers, policy experts, and business leaders, all collaborating to create beneficial AI systems.About the RoleWe are seeking skilled engineers with a strong foundation in full-stack development to join our Product Engineering organization. In this role, you will serve as a technical leader, taking comprehensive ownership of the user experience across various platforms, including Claude.ai, the Anthropic API, enterprise solutions, Claude Code, and mission-driven applications. You will work in partnership with engineering managers, product leaders, designers, and researchers to explore new model capabilities and redefine user experiences in the realm of large language models (LLMs). Your product-oriented mindset and commitment to technical excellence will be essential as you scale our services to millions of users globally, while fostering a genuine passion for the potential of AI.We have multiple teams actively hiring, and team placement will occur post-interview, taking into account your interests and experience alongside organizational needs. This flexible approach allows us to align talented engineers with backend product initiatives where they can make the most significant impact and achieve maximum growth.

About AnthropicAt Anthropic, we are dedicated to building AI systems that are reliable, interpretable, and steerable. Our goal is to ensure that AI is safe and advantageous for our users and society at large. We are a rapidly expanding team of devoted researchers, engineers, policy experts, and business leaders collaborating to develop beneficial AI systems.Role Overview:Join our Product Engineering team at Anthropic! We are seeking talented engineers proficient in full-stack development to help design, build, and deploy advanced capabilities across our current and future product offerings—from prototypes to production. Collaborate with product leaders, designers, and researchers to explore new model capabilities and redefine user experiences in the realm of Large Language Models (LLMs). You will be expected to possess a solid product intuition, enhance technical quality across the stack (including performance, accessibility, reliability, and developer experience), and scale your efforts to millions of users globally, all while being genuinely enthusiastic about the potential of AI.We are currently hiring for multiple teams. Team assignments will occur post-interview based on your interests and experience in conjunction with the needs of our organization. This flexible approach enables us to align skilled engineers with backend product initiatives where they can have the most substantial impact and growth opportunities.Your Responsibilities:Developer Experience: You will create products and tools—including consoles, SDKs, documentation, and observability features—that empower developers to confidently utilize Claude in their most critical applications. Our mission is to meet developers in their workflow and elevate their capabilities with our models and API. This involves fostering trust through excellent platform fundamentals, inspiring developers to enhance their utilization of Claude's features, and facilitating agentic development for both human and AI developers. Collaborate closely with teams across the platform organization to transform Claude's latest capabilities into tangible experiences that developers can easily adopt—from initial prompt to production agent.Beneficial Deployments: We are looking for experienced software engineers to join our Beneficial Deployments Engineering team. Your role will involve bringing Claude to communities that stand to benefit most from AI technology, including nonprofits, educational institutions, healthcare entities, life sciences researchers, and economic mobility initiatives worldwide.Enterprise Applications/End Users: You will...

About GalvanickGalvanick is at the forefront of cybersecurity, protecting the industrial sector from cyber threats. Our innovative detection platform safeguards critical Operational Technology (OT) systems from malicious actors and nation-states. Join a dynamic startup environment where passionate professionals strive to tackle the toughest challenges in cybersecurity, backed by notable investors including Founders Fund and Village Global.About the RoleWe are looking for a skilled Full Stack Engineer to enhance our team. You will be instrumental in developing user-friendly product experiences that prioritize the security of our nation's infrastructure and deliver meaningful value.Your responsibilities will include taking ownership of features from inception to launch, balancing technical limitations with user requirements and business objectives. You will quickly prototype to test ideas and iterate based on user feedback, data insights, and innovative thinking.This position is perfect for someone with a solid technical background and a keen understanding of product design. If you thrive on simplifying complexities and enjoy crafting solutions for users, we want to hear from you!What You Will Do* Lead the technical strategy for the platform's core backend and frontend components, ensuring they are scalable, reliable, and high-performing.* Take full ownership of deliverables from design through development and launch, continually evolving key microservices and customer-facing features.* Assess technical trade-offs while considering user experience, scalability, operability, and metrics.* Conduct end-to-end testing and maintain documentation. You will develop secure, scalable, and resilient applications that manage sensitive data.Who You Are* Proficient in full stack development across all application layers. Strong programming skills in both frontend and backend technologies are essential.