Senior Fullstack Software Engineer

Embrace the Future of Commerce with Whatnot!Whatnot stands as the largest livestream shopping platform across North America and Europe, allowing you to buy, sell, and explore items you cherish. From trading cards to fashion, electronics, or live plants, our sellers are establishing successful enterprises across a myriad of categories. We are pioneering live commerce at an unprecedented scale in the West, without a blueprint to guide us. Our team is at the forefront of shaping a groundbreaking industry.Operating as a remote co-located team, we are guided by our core values and are anchored in various hubs throughout the US, UK, Ireland, Poland, Germany, and Australia. We prioritize agility, maintaining close connections with our users, and focusing on impactful work.Recognized as one of the fastest-growing marketplaces, we were recently honored as the #1 Best Startup Employer in America by Forbes. Stay updated with the latest from Whatnot through our news and engineering blogs, and join us in empowering anyone to turn their passion into a thriving business while fostering community through commerce. Role OverviewThe Trust and Risk teams at Whatnot are dedicated to developing systems that establish clear expectations, promote positive behavior, and resolve issues in a fair and efficient manner. By integrating proactive detection with transparent enforcement strategies, we ensure that Whatnot remains a secure and reliable platform for both buyers and sellers.Our focus areas include:Policy Enforcement and Dispute Resolution: Crafting systems that articulate clear behavioral expectations, identify and address policy violations, and efficiently resolve disputes.Intelligent Detection and Prevention: Utilizing machine learning, behavioral analysis, and real-time interventions to anticipate evolving abuse patterns and safeguard both buyers and sellers.Continuous Improvement: Implementing feedback loops and monitoring systems as managed assets to ensure ongoing quality assurance and enhance our systems.

At Databricks, we are passionate about empowering data teams to tackle the world's most challenging issues, ranging from security threat detection to groundbreaking cancer treatment development. Our mission is to create and manage the premier data and AI infrastructure platform, allowing our clients to concentrate on the high-impact challenges central to their goals. As a trusted partner for our clients, Databricks is committed to building the most reliable Data and AI platform globally. The Trust & Safety team plays a pivotal role in this endeavor, focusing on Security Foundation Engineering to safeguard our platform and our customers from ever-evolving threats. We are actively seeking a Senior Engineering Manager to lead this critical area and establish the blueprint for integrating security across every layer of our platform.

Join Read AI:At Read AI, we are transforming teamwork by infusing intelligence into every conversation. Our innovative platform enhances productivity across meetings, messages, and emails, enabling teams to work more efficiently and with greater concentration. We integrate seamlessly with leading tools like Zoom, Microsoft Teams, Google Meet, Slack, and others, ensuring teams remain synchronized, whether in the same location or separated by time zones.With a solid backing of $81 million from prestigious investors including Smash Capital, Madrona, and Goodwater Capital, Read AI is on an exciting growth trajectory. If you are passionate about shaping the future of AI-driven collaboration and eager to make a significant impact at a rapidly evolving startup, we want to hear from you!Your Role:We are looking for a Fullstack Software Engineer to join our dynamic team at Read AI. In this position, you will design, build, and maintain scalable web and desktop applications, handling both frontend and backend systems. You will work closely with product managers, designers, and fellow engineers to create top-notch user experiences and robust backend services that power our AI-based platform.

Join our dynamic team at Plaid as a Senior Fullstack Software Engineer, where you will contribute to innovative projects and help shape the future of financial technology. You will be responsible for developing and implementing scalable software solutions that enhance user experience and drive company growth.

Join Our TeamAt Lightning AI, we are the creators of PyTorch Lightning. Established in 2019, we have developed a comprehensive platform for crafting, training, and deploying AI systems, designed to seamlessly transition ideas from research to production.Our merger with Voltage Park, an innovative neocloud and AI Factory, enhances Lightning AI by integrating developer-first software with cost-effective, large-scale computing solutions. Our platform empowers teams to perform experimentation, training, and production inference while incorporating security, observability, and control.We cater to solo researchers, startups, and large enterprises alike. With a global presence that includes offices in New York City, San Francisco, Seattle, and London, we are supported by esteemed investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our Core ValuesMove Fast: We prioritize speed and precision by breaking down large challenges into manageable tasks.Focus: Our team collaborates to deliver precise features by concentrating on one goal at a time.Balance: We uphold a healthy work-life balance, ensuring sustained performance through adequate rest and recovery.Craftsmanship: Innovation stems from excellence, and we take pride in our attention to detail and mastery of our craft.Minimal: We drive innovation through simplicity, eliminating complexity and focusing on what truly matters.Your RoleWe are seeking a Fullstack Engineer to contribute to the development and scaling of the Lightning AI platform, encompassing frontend, CLI, API, billing, security, and integrations.We desire a proactive individual who can take ownership of key features and lead development from conception to release while collaborating with a highly skilled team of engineers, product managers, and designers. In this role, you will focus on delivering high-quality solutions quickly and iteratively.This is your chance to create groundbreaking technology that will revolutionize the machine learning ecosystem!This position is hybrid, based in our Redmond, Washington office, requiring in-office attendance two days per week. The salary range for this role is $120,000 - $250,000.

About BRINC:BRINC is at the forefront of transforming public safety through groundbreaking technology and a suite of life-saving tools. Our journey began with the innovation of drones and ruggedized throw phones, enabling access to hazardous areas and facilitating communication to de-escalate critical situations. We have since evolved to create and implement 911 response networks, deploying drones to emergency calls to provide vital real-time visual data, thereby enhancing safety measures and enabling effective responses. Our advanced solutions are trusted by over 600 public safety agencies across the United States, and we have successfully raised over $150 million from prominent investors, including Index Ventures, Motorola Solutions, and industry leaders like Sam Altman and Dylan Field. At BRINC, we are dedicated to attracting top-tier talent to support our mission of empowering first responders to save lives.About this Role:We are looking for Senior or Principal Fullstack Software Engineers to join our team and spearhead the development and implementation of innovative technologies that enhance public safety. In this role, you will have the opportunity to define new products, guide them through to customer deployment, and continuously improve them based on user feedback. Your work will involve collaboration with various engineering disciplines within BRINC to create market-leading products. Our flagship LiveOps product is central to BRINC’s mission and our Drone as First Responder (DFR) initiative, aiming to revolutionize public safety with high-performance software designed for critical, high-stakes environments. As a Cloud Native team, we develop a comprehensive suite of web applications and tools that empower our pilots to deploy and manage their drone fleets from anywhere.We pride ourselves on being a close-knit team, seeking driven and collaborative engineers who possess a Founder’s mindset. Engaging our customers in an iterative development loop is crucial, making a strong focus on product development essential.

At StubHub, we are dedicated to revolutionizing the live event experience worldwide. Whether it's an individual's first concert or their hundredth game, we aim to provide unparalleled satisfaction from the moment they begin their ticket search until they enter the venue. We also prioritize our sellers, from fans listing a single ticket to promoters managing global stadium tours, ensuring that StubHub remains the most secure and user-friendly platform for offering tickets to millions of fans globally.We are on the lookout for talented Senior Software Engineers to innovate and develop cutting-edge technologies and sophisticated features that enhance how millions of users discover, engage with, and participate in live events globally. As a Senior Software Engineer, you will play a pivotal role in shaping the team’s commercial and product strategy. Your focus will be equally divided between understanding user needs and applying solid commercial judgment alongside technical expertise. Our Senior Software Engineers are vital to our success, so we expect you to take initiative and show enthusiasm in tackling challenges. StubHub is committed to fostering an inclusive and outstanding workplace where you will also act as a mentor and advocate for your teammates, exemplifying leadership qualities. Location: Hybrid (3 days in office/2 days remote) – Aliso Viejo, CA or New York, NY or Seattle, WA About the Team:The Supply team is dedicated to simplifying the experience for our large-ticket sellers by facilitating effortless onboarding and management of their inventory throughout the entire event lifecycle. We empower sellers to minimize operational burdens and maximize revenue through intelligent automation, streamlined workflows, and reliable, fast experiences. Our work includes designing and managing enterprise-grade, high-throughput systems that support core seller operations and handle extensive, dynamic datasets at scale. Our responsibilities cover various layers of the technology stack, from robust back-end services to high-performance, user-oriented interfaces, guaranteeing that sellers can depend on a reliable end-to-end platform for their business operations.What You Will Do:Engage in the design, development, testing, deployment, and maintenance of impactful enhancements across both frontend and backend systems that support all of StubHub's platforms.

Read AI develops tools that add intelligence to team collaboration, helping groups stay productive across meetings, messaging, and email. The platform connects with Zoom, Microsoft Teams, Google Meet, and Slack, making it easier for teams to coordinate and move projects ahead from anywhere. With $81 million in backing from Smash Capital, Madrona, and Goodwater Capital, Read AI is expanding its impact on AI-powered teamwork. Role overview This Senior Fullstack Software Engineer position is based at Read AI’s Seattle headquarters. The role involves both hands-on feature development and shaping the technical direction of the product. The engineer will design scalable systems, establish coding standards, and help define the technical roadmap. The work spans complex backend logic and building responsive, reliable user experiences. Read AI values engineers who are comfortable with ambiguity, mentor others, and focus on building systems that stand the test of time. What you will do Architectural leadership: Design and implement scalable web applications and distributed systems across the stack. Technical excellence: Maintain high code quality through code reviews, automated tests, and clear documentation. System ownership: Take responsibility for major product areas from initial design through deployment and ongoing improvement. Cross-functional strategy: Collaborate with Product and Design to shape the roadmap, balancing technical feasibility and scalability. Performance and reliability: Address issues affecting application speed, database performance, and frontend rendering. Mentorship: Support mid-level and junior engineers, encouraging best practices and ongoing learning. DevOps culture: Improve CI/CD pipelines, observability, and infrastructure-as-code. Location This role is on-site at Read AI’s Seattle HQ. Learn more Find additional information at https://www.read.ai/.

Stanley 1913 has influenced how people eat and drink for more than 100 years, beginning with the original vacuum bottle. The company’s lineup, such as the Quencher™ series, blends functional design with a sense of style, making these products part of daily habits and active lifestyles. The Stanley team values creativity, careful craftsmanship, and choices that support sustainability. These principles guide product development and business decisions, aiming to reduce environmental impact while maintaining quality and utility. Learn more about Stanley 1913’s history and product range at www.stanley1913.com.

Join our dynamic team at Collabera as a User Experience Designer! We are seeking a talented individual who is passionate about creating engaging and intuitive user experiences. As a UX Designer, you will collaborate closely with product managers, developers, and stakeholders to design user-centered solutions that enhance the usability and accessibility of our products.Your role will involve conducting user research, creating wireframes and prototypes, and performing usability testing to inform design decisions. You will have the opportunity to shape the user experience of cutting-edge technologies in an innovative environment.

As the Member Experience Manager at Industrious in Seattle, you will play a pivotal role in shaping the experiences of our members. You will lead initiatives that foster community engagement, enhance member satisfaction, and drive operational excellence. Your innovative mindset and passion for customer service will be key in delivering personalized experiences that resonate with our diverse clientele.

Join Coffman Engineers, Inc. as a Senior Structural Engineer in Seattle, where your expertise in structural engineering will contribute to innovative projects across various sectors. We are seeking a candidate with over 10 years of experience who is ready to take on challenging projects and mentor junior engineers. You will collaborate with a dynamic team to deliver high-quality engineering solutions that meet our clients’ needs.

Join Prosidian Consulting as an HRSM Customer Experience Designer in Seattle, WA, where you will play a key role in enhancing user experiences within HR Service Management. Collaborate with cross-functional teams to design innovative solutions that meet client needs and improve service delivery.

Headway is working to make mental healthcare accessible for everyone. Many in the United States face treatable mental health conditions, but high costs and insurance barriers keep care out of reach. Headway tackles these challenges by automating complex administrative tasks, credentialing, claims, and payments, so providers can focus on care, not paperwork. Today, over 70,000 providers in all 50 states use Headway’s software to manage their practices, supporting more than 1 million patients. The company continues to invest in tools for therapists, platforms to support growth, and improved ways for people to find the right therapist. Headway is building more than a billing solution; it is becoming a platform where real care happens. Backed by over $325 million in Series D funding from investors such as a16z, Accel, and GV, Headway is growing quickly and looking for leaders who want to make a meaningful impact in mental healthcare. About Headway Headway’s mission is to build a mental health care system that works for everyone. The technology makes it easier to find a provider, navigate insurance, and handle payments. Thousands of therapists use Headway to grow their practices, and more than 200,000 patients have found care through the platform. Headway is now one of the fastest-growing healthcare companies in the country. About the Patient Core Experience Team The Patient Core Experience team shapes how people find and connect with therapists on Headway. This group oversees the entire journey from initial search to the first sessions. Four engineering pods, Onboarding, Profiles + Checkout, Ranking + Relevance, and Activation, design and build systems that help patients match with the right providers. Headway operates a complex three-sided marketplace, serving patients, providers, and payers. The platform has evolved from a simple directory to a sophisticated matching system that considers communication styles, expertise, and patient feedback to create better therapeutic matches. Matching quality is central to positive therapeutic outcomes. The team is committed to connecting patients with the right providers. Fast delivery and continuous learning are balanced with a deep commitment to patient trust. Solutions are built for the entire marketplace: patients, providers, and payers. Machine learning is used to improve matching and system performance.

At Databricks, we harness the power of a cutting-edge platform utilized by a diverse spectrum of users, including data scientists, engineers, analysts, business leaders, and developers. Our mission is to empower these individuals with exceptional content that is timely, contextual, and precise, enabling them to achieve their objectives efficiently. By doing so, we foster quicker adoption rates, reduce support costs, and enhance overall customer satisfaction. To achieve this goal, we are shifting our perspective to view content as an integral part of the product.We are seeking a Staff Product Manager to spearhead our Content Experience strategy. In this pivotal role, you will oversee how users discover, learn from, and engage with content across various formats, including documentation, in-product assistance, and AI-driven guidance. You will play a key role in shaping the future of content at Databricks, elevating it to a first-class product experience and seamlessly integrating content development into our product lifecycle.

Veterinary Emergency Group seeks a Customer Experience Coordinator for its Seattle, WA location. This position supports both clients and the veterinary team, working to ensure each visit runs smoothly and feels welcoming from start to finish. Key responsibilities Respond to customer questions and concerns with empathy and professionalism Coordinate appointments and manage scheduling tasks Help maintain clear communication between clients and veterinary staff What matters here Strong communication skills Empathy for people and animals alike Professionalism in every interaction Comfort working in a busy environment This role is a good fit for those who care about animal well-being and find satisfaction in helping others. The Seattle team values warmth, reliability, and a steady presence during each shift.

At Amperity, we are at the forefront of innovation, leveraging artificial intelligence to assist the world's foremost brands in crafting personalized customer experiences that foster loyalty and drive growth. Our AI-driven Customer Data Cloud, powered by our multi-patented technology, empowers over 400 global brands, including Alaska Airlines, Wyndham Hotels & Resorts, and DICK'S Sporting Goods, to transform customer data into a strategic advantage. We simplify and accelerate the unlocking of customer data's full potential. AI is not just a feature; it is embedded in our DNA and integral to our operations—from advanced identity resolution and predictive analytics to enhancing internal workflows and decision-making. Our team thrives in a culture of curiosity, collaboration, and transparency, where every individual can share their insights, learn, and progress. We invite talented individuals from diverse backgrounds to join us in eliminating data bottlenecks, amplifying business impact, and extending the possibilities of AI for some of the most innovative companies worldwide. With offices in Seattle, New York City, London, and Melbourne, you will be part of a rapidly expanding team addressing pivotal challenges at the intersection of AI, data, and customer experience. If you're ready to make a significant impact, we look forward to connecting with you.

About Us:At Grow Therapy, our mission is to be the trusted ally for therapists expanding their practices while ensuring patients can access exceptional care. Utilizing advanced technology, we operate a three-sided marketplace that empowers healthcare providers, enhances insurance payors, and serves patients effectively. In light of the rising levels of depression and anxiety, our commitment to accessibility has never been more crucial. Since our inception in February 2021, we have supported over 10,000 therapists and reached hundreds of thousands of clients nationwide. With over $178 million raised from reputable investors like Sequoia Capital and Transformation Capital, we are poised for significant growth. About the Role:As a Senior User Experience Researcher at Grow, you will play a pivotal role in shaping products that enhance mental health and overall well-being. We believe that meaningful research is essential for creating experiences that are not only user-friendly but also genuinely beneficial and centered around human needs.We seek an experienced User Experience Researcher who is adept at utilizing both qualitative and quantitative methods and thrives in fast-paced, ambiguous environments. You will collaborate closely with Product, Design, and Business teams to uncover insights that will guide strategy, inform design decisions, and improve user experiences.This opportunity is perfect for someone passionate about understanding user behavior, intrigued by the intersection of technology and mental health, and driven to advocate for users in impactful ways.What You’ll DoDesign and implement comprehensive research initiatives employing a variety of methodologies including interviews, usability testing, surveys, focus groups, and field studies.Collaborate with product and business teams to develop and prioritize research agendas.Conduct studies that reveal user behaviors and needs, ultimately enhancing product experiences.

Join our dedicated team at tvg-medullallc as a Patient Experience Coordinator in the vibrant South Lake Union area of Seattle. In this role, you will play a crucial part in enhancing the patient experience by coordinating various aspects of clinical operations. You will work closely with healthcare professionals to ensure that our patients receive the highest level of care and support throughout their journey.