Full Stack Software Engineer at Slate | Washington, DC

Join HHAeXchange, a pioneering technology platform dedicated to enhancing home and community-based care since 2008. Our mission is to empower individuals who are aging or living with disabilities, ensuring they thrive within their homes and communities. We are passionate about revolutionizing the healthcare landscape by creating an integrated homecare ecosystem that seamlessly connects patients, caregivers, home care provider agencies, and payers. We are seeking an enthusiastic Full Stack Engineer ready to accelerate their growth, embrace big ideas, and develop impactful products that improve the lives of thousands of caregivers and families. In this role, you will engage with the entire tech stack—from user-friendly frontends to robust backend services—utilizing cutting-edge technologies such as Go, Angular, PostgreSQL, Redis, SQS, Kubernetes, and GenAI tools. This position serves as a springboard for innovative and motivated builders who thrive on tackling complex challenges alongside a skilled team of experienced engineers. If you are at the beginning of your career and eager to make a significant impact, this is your opportunity to deliver code that transforms lives, learn from inspiring mentors, and play a vital role in healthcare innovation. You should embrace a dynamic, startup-like culture within a small but powerful team that promotes rapid iteration through thoughtful decision-making. To succeed in this role, candidates must effectively fulfill each essential job duty. Accommodations may be provided to enable individuals with disabilities to perform essential functions.

Staff Full Stack EngineerAbout Pay-iAt Pay-i, we are tackling one of the most significant challenges in enterprise AI: demonstrating the ROI of Generative AI investments. With global spending on Generative AI projected to reach $600 billion by 2028, a staggering 72% of CIOs cite measurement and forecasting as their primary obstacle, and only 13% of business leaders report substantial enterprise-level benefits from Generative AI. Our unique platform converts every model call, prompt, and agent interaction into CFO-grade metrics, enabling enterprises to gain financial clarity, identify successful use cases, optimize costs, and demonstrate impact.Founded by former Microsoft executives with over 20 years of experience each, Pay-i is a seed-stage startup supported by five venture capital firms and C-suite angels from industry giants like Microsoft, Twilio, and Zoom. If you are eager to contribute to products that fundamentally transform how enterprises scale their AI initiatives, we invite you to help us launch the definitive system of record for Generative AI ROI.The OpportunityAs a Staff Full Stack Engineer at Pay-i, you will be a vital member of our team, collaborating closely with fellow Full Stack Engineers to craft our customer’s front-end experience. This role offers an exceptional opportunity to innovate and experiment alongside a seasoned team of GenAI leaders who value customer feedback.What You'll DoAre you passionate about developing groundbreaking products that address critical financial challenges in leveraging Generative AI? As our Staff Full Stack Engineer, your contributions will be instrumental in our mission. You will shape the user experience across our dashboards, websites, and products, while establishing a strong foundation for our future growth.Core Responsibilities:Collaborate with Pay-i's front-end and back-end engineers to swiftly deliver both prototype and production-quality productsDesign high-quality, enjoyable user experiences by creating interfaces that are intuitive, performant, and reliableMaintain high graphic standards and ensure brand consistency across all customer interactionsApply responsive design principles to guarantee seamless display on various devices and screen sizesRefactor existing code to enhance performance, structure, and readabilityUtilize state management libraries and patterns (e.g., Redux, Context API) to efficiently manage application state

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.

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.

Aledade seeks a Full-Stack Analytics Engineer II to help turn healthcare data into practical insights. This position is based in Washington DC and focuses on building analytics tools that support healthcare providers in making informed decisions for better patient care. Role overview This role combines front-end and back-end development to create analytics solutions. The work centers on designing and implementing systems that make complex healthcare data accessible and useful for providers. Key responsibilities Develop and maintain analytics applications using both front-end and back-end technologies Transform raw healthcare data into clear, actionable reports and dashboards Support healthcare teams by delivering tools that help improve patient outcomes Location This role is based in Washington DC.

Join our dynamic team at Accenture Federal Services as a Full Stack Software Engineer. In this role, you will leverage your expertise in both front-end and back-end development to create innovative software solutions that meet the needs of our clients. You will be responsible for designing, developing, and maintaining robust applications, ensuring high performance and responsiveness.As a Full Stack Software Engineer, you will collaborate with cross-functional teams to gather requirements and transform them into technical specifications. Your contributions will directly impact the efficiency and effectiveness of our projects, helping us deliver top-notch services to federal clients.

The ideal candidate is encouraged to work from any of our offices (Silver Spring, NYC, SF, Miami, Denver) 1-2x weekly.ABOUT ROCKET MONEY At Rocket Money, our mission is to significantly enhance the financial well-being of millions. We provide our members with a profound understanding of their finances along with a range of valuable services designed to save time and money, ultimately empowering them on their financial journey.ABOUT THE TEAM The Core team plays a critical role in enabling all engineering teams at Rocket Money to operate efficiently by ensuring that our foundational systems are reliable and easy to build upon. We are responsible for the evolution of platforms and services that are central to our product and company operations, including:Authentication (registration, login, account access, and user lifecycle workflows)Data Privacy and Trust Systems (handling privacy requests, user deletions, and secure management of sensitive data)AI Enablement (providing shared AI infrastructure and tools that other teams use to create exceptional product experiences)Internal Tooling (developing admin tools, operational systems, and data integrations to enhance the effectiveness of our operations and engineering teams)We prioritize accuracy, resilience, and creating the most straightforward pathways for our teams. If you are passionate about building high-impact systems that others rely on, we would love to hear from you.IN THIS ROLE, YOU'LL:Develop and manage Core services and platforms that underpin essential systems like authentication, data privacy workflows, AI capabilities, and internal tools.Take ownership of projects from inception to completion: defining problems, designing solutions, implementing changes, launching, and ensuring ongoing reliability.Collaborate closely with product engineers, data teams, and operations colleagues to create systems that are safe, scalable, and user-friendly.

About HelionHelion is a pioneering fusion energy company located in Everett, WA, dedicated to the ambitious mission of constructing the world's first fusion power plant. Our goal is to facilitate a future powered by limitless clean energy, ensuring reliable and affordable electricity for all.Founded in 2013, Helion has successfully secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, Capricorn Investment Group, as well as new partners like SoftBank and Lightspeed, propelling our innovative endeavors forward. Our latest prototype, Trenta, has achieved remarkable milestones, completing 10,000 high-power pulses and reaching plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next prototype, on the journey toward realizing the world's first fusion power plant.This is a critical moment to join Helion, where you will confront real-world challenges alongside a team that values urgency, thoroughness, accountability, and a commitment to transparency—principles vital to achieving unprecedented energy solutions. Together, we will reshape the future of energy, because the world cannot afford to wait.Your ResponsibilitiesAs a Senior Full Stack Software Engineer, you will be responsible for designing, developing, and operating secure, dependable, scalable, and user-friendly full-stack applications that enhance processes across mechanical and electrical engineering, supply chain, inventory management, manufacturing, and finance. You will integrate these applications with our internal data platform and external systems, playing a high-impact role within a cross-functional team dedicated to business-critical applications that amplify the effectiveness of various departments throughout the organization.Your Key Contributions Will Include:Designing and developing front-end interfaces, APIs, workflows, database architectures, and caching strategies.Operating as a part-time product manager and UX designer, gaining insights into user interactions and workflow processes.Monitoring and continuously enhancing system performance and reliability using leading observability tools.Collaborating with software engineers, data analysts, scientists, engineering teams, business leaders, and vendors to comprehend feature and data requirements and deliver effective solutions.Staying updated on emerging technologies while recommending proven solutions that align with strategic objectives.Participating in on-call rotations to uphold our service-level agreements and prevent interruptions in round-the-clock production schedules.

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

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.

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.

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.

At Anduril Industries, we're revolutionizing defense technology to enhance the capabilities of the U.S. and allied military forces. Our mission is to integrate the innovative expertise and advanced technologies from the 21st century's most dynamic companies into the defense sector. By leveraging our proprietary Lattice OS, an AI-driven operating system, we create a real-time, 3D command and control ecosystem, transforming how military systems are conceived and delivered. As we navigate a new era of strategic competition, we are dedicated to deploying leading-edge autonomy, AI, computer vision, sensor fusion, and networking technologies to the battlefield at unprecedented speeds.ABOUT THE ROLEWe are on the lookout for a talented Full Stack Security Software Engineer to spearhead the development of innovative security tools aimed at fortifying our product suite and identifying potential cybersecurity vulnerabilities within embedded Linux systems and Android devices. The ideal candidate is proficient across the full technology stack, from crafting Linux eBPF programs to developing robust cloud backends and everything in between.KEY RESPONSIBILITIESArchitect and create cybersecurity tools tailored for embedded Linux and Android environments.Develop and manage backend services utilizing REST APIs on cloud platforms.Design intuitive front-end interfaces using React and TypeScript.Oversee cloud infrastructure management employing Terraform and/or AWS CDK.Collaborate with multidisciplinary teams to assess security requirements and implement effective solutions.Conduct thorough code reviews to ensure compliance with security best practices.Keep abreast of emerging security threats and innovative technologies.

About Sobek AISobek AI is at the forefront of creating a secure infrastructure for life sciences innovation and intergovernmental emergency response. With backing of over $10M in grants and funding, we collaborate with internationally recognized organizations to enhance mission-critical, distributed workflows using AI, all while safeguarding intellectual property and sensitive public health data.The RoleWe are seeking a talented Full-Stack Engineer to take ownership of product surfaces from start to finish. This role is high-impact and allows for significant ownership, focusing on transforming complex generative AI workflows into reliable software solutions.What You’ll DoOwn features across the stack: Bring ideas to life from conception to production, including UX flows, React/TypeScript UI, well-defined Python/TypeScript APIs/services, and oversee production rollout and performance measurements.Build intuitive, data-rich interfaces: Create tables, complex forms, document views, and comparisons that are accessible and responsive, tailored for modern generative AI workflows.Design and operate services: Develop clear REST/gRPC/streaming endpoints, model data using SQL/NoSQL and vector stores, implement queues/caches as necessary, and enhance with tracing and metrics.AI orchestration: Improve orchestration to effectively manage multi-LLM workflows with appropriate controls for cost, latency, and security/auditability.Ship quickly and iterate: Prototype, launch behind feature flags, gather feedback and telemetry, and refine based on user input.Collaborate deeply: Work alongside engineers across the stack to translate real-world needs into dependable software solutions.Be a force multiplier: Facilitate reviews and architectural decision records across frontend and backend to establish scalable patterns.About You3+ years of full-time software engineering experience.You have successfully owned and delivered full-stack software in production—from UI (experience with React/TypeScript is a plus) to backend services (experience with Python or Node.js is a plus)—and are familiar with deployment pipelines in product environments where both quality and speed are crucial.You are comfortable designing API contracts (paging, errors, retries) and debugging end-to-end with logs and traces.You can reason about concurrency and understand how to ensure reliability in distributed systems.

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.

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.

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.

Join us as a Senior Full Stack Developer I to play a pivotal role in a high-profile, AI-driven financial compliance program for the Department of War. This essential initiative is focused on modernizing compliance and audit workflows for over 180 systems. You will be responsible for architecting and securing the deployment infrastructure that supports AI-assisted compliance validation, semantic search, and enterprise governance within restricted Department of War environments.This position offers a hybrid work model, with a preference for candidates based in the D.C. metro area who can participate in in-person meetings as necessary.At MetroStar, we believe that exceptional technology services are built from the ground up by amazing individuals. For over two decades, we have cultivated a legacy of assembling the brightest teams. Our commitment to our people is unwavering, as we are driven by a mission that emphasizes a passion for our people and a dedication to our customers.If you see yourself contributing to our mission and helping us achieve our goals, we encourage you to explore the details of this opportunity below!