Staff Frontend Engineer - Sponsored Results (SPO)

About Zocdoc Zocdoc is on a mission to put patients first. The current healthcare system often makes it difficult for people to find the care they need, outdated insurance directories, long wait times, and unexpected bills are still common. Zocdoc aims to change this by building a healthcare marketplace that makes it easier to find and book both in-person an…

Our MissionAt Zocdoc, we believe that healthcare should empower patients, not hinder them. Unfortunately, many patients find themselves navigating outdated insurance directories, enduring long hold times, and facing unexpected bills, all while trying to access essential care. This is unacceptable in any consumer industry, and we aim to change the game in healthcare. Our goal at Zocdoc is to empower patients with the leading healthcare marketplace, enabling them to easily find and book both in-person and virtual care across all 50 states, covering over 200 specialties and more than 12,000 insurance plans. By giving patients the freedom to choose their healthcare providers, we are transforming the healthcare landscape into one where businesses compete for their trust and loyalty, ultimately improving quality while driving down costs. With 18 years of innovation under our belt, we are proud to lead the industry, yet we know this is just the beginning. If you are passionate about tackling significant challenges alongside a team of motivated, collaborative professionals, we encourage you to continue reading. Your Impact on our MissionAs a Staff Software Engineer on our Sponsored Results (SPO) team, you will be pivotal in scaling and enhancing one of Zocdoc's primary growth engines. You will collaborate closely with product managers, designers, data scientists, and infrastructure teams to modernize the systems that underpin our Sponsored Results platform. This includes refactoring backend services and APIs for improved scalability and reliability, optimizing data pipelines to consolidate modeling logic, and enhancing the SPO provider product experience through high-performance, end-to-end engineering. Your contributions will significantly influence how providers connect with patients by streamlining platform efficiency, enhancing spending effectiveness, and building user trust, all while establishing the technical benchmark for system design, code quality, and cross-functional collaboration to ensure the Sponsored Results platform is positioned for sustainable innovation and growth.We encourage candidates to apply for only one Staff Software Engineer position at Zocdoc, as we will assess your profile for the most fitting opportunity.

Join Crosby as a Staff Frontend Engineer, where you will lead the development of innovative web applications that enhance user experiences. Collaborate with cross-functional teams to design, implement, and maintain scalable software solutions. Your role will involve mentoring junior developers, conducting code reviews, and ensuring best practices in frontend development.

Join our dynamic team at Privy, a leading provider of innovative solutions for businesses, as a Staff Frontend Engineer. In this role, you will work closely with cross-functional teams to develop and enhance our frontend applications, ensuring a seamless user experience. You will leverage modern frameworks and technologies to create responsive and high-performance web applications that meet our users' needs.

The Squarespace Domains Growth team is seeking an experienced Frontend Staff Software Engineer to spearhead significant initiatives and formulate the technical strategy for our platforms. We cater to millions of Domains customers—an inspiring community of dreamers, entrepreneurs, and professional users eager to establish their online identities. In this role, you will be instrumental in developing products that have a direct and measurable impact on our users' success.As a key member of the Domains Growth organization, you will contribute to building essential capabilities within the domain space. This includes creating Front Site Landing Pages for Squarespace Domains, optimizing domain search functionalities, exploring reseller opportunities, crafting pricing strategies, and enhancing cross-sell and conversion processes for both premium and expired domains. You will closely collaborate with engineering, product management, and design teams to construct systems that drive revenue growth, customer acquisition, and conversion rates. This is a hybrid role, requiring you to work from our New York City office three days a week, reporting directly to the Domains Growth Engineering Manager.

About the CompanyAt Made, our mission is to empower homeowners by saving them time, money, and reducing stress. We have introduced the Made Card, a credit card tailored specifically for homeowners, offering unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a personalized home management platform where users can oversee home systems and appliances, stay proactive on maintenance, and access assistance—from AI-powered insights to on-site services—exactly when they need it.Our partnerships with major national players in the residential homeownership sector, including mortgage lenders and home service providers, integrate Made into crucial moments of the homeowner journey. This enables us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team brings extensive experience in fintech, mortgages, and credit cards from Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are building a financial and engagement platform tailored for the next generation of homeowners, centered around their needs and redefining the concept of feeling at home.

About HyphaHypha is an innovative AI-driven platform that is revolutionizing asset management throughout its entire lifecycle—covering acquisition, management, and exit strategies. With a specialized focus on healthcare facilities and multifamily real estate, we are transforming the industry through three fundamental pillars:Observability: Delivering real-time insights into asset performance, deal progression, and market dynamics for all stakeholders involved.Intelligence: Facilitating AI-enhanced optimization across multiple dimensions, including risk assessments, tax strategies, and performance benchmarking.Orchestration: Establishing seamless workflows and a unified source of truth to eradicate inefficiencies.Role OverviewIn the capacity of a Senior / Staff Frontend Engineer at Hypha, you will take ownership of the user experience layer of our platform. You will create interfaces that allow users to navigate through intricate financial data, AI-extracted entities, document viewers, dashboards, and conversational search functionalities. Collaborating closely with product and design teams, you will convert intricate workflows into interfaces that are intuitive, swift, and user-friendly.This position emphasizes both the art of frontend development and the architecture behind it. You will lead the charge in developing high-quality user interfaces, influence interaction patterns across our platform, and make critical decisions regarding component architecture, performance, state management, and frontend scalability. Your objective is to simplify complex data and AI-driven workflows while defining standards and systems that maintain frontend speed, cohesiveness, and maintainability as Hypha continues to grow.This opportunity is tailored for senior and staff-level frontend engineers with extensive experience in crafting polished, high-performance product experiences and shaping frontend architecture in a production environment. Compensation will be commensurate with experience, technical expertise, and scope of responsibility.

Role Overview StubHub Inc. is hiring a Senior Fullstack Software Engineer focused on Sponsored Listings. This position is based in New York, NY. What You Will Do Design, build, and improve fullstack applications that support Sponsored Listings on the StubHub platform. Work closely with teams across product, design, and engineering to deliver features that improve user experience and engagement. Contribute ideas and solutions that help connect fans to live events more effectively. Team and Impact This role partners with cross-functional groups to deliver solutions aligned with business goals. The work directly supports StubHub’s mission to connect fans with live events.

About UsBaton Corporation is at the forefront of technology innovation, developing and maintaining the complete tech stack behind pump.fun, the leading memecoin launchpad in operation today. Our systems are engineered for low latency, high throughput, and resilience under continuous load—precision is critical to our success.Your RoleIn the position of Senior Staff Frontend Engineer, you will take a hands-on approach while guiding the technical vision of our frontend platform. You will tackle complex frontend challenges, including performance under real-world conditions, scalability in architecture, and ensuring accuracy in intricate, stateful systems.Design and enhance large-scale frontend systems using React and Next.js that cater to hundreds of thousands, expanding eventually to millions of users.Develop and steer long-term frontend architecture strategies while actively contributing to pivotal components of the system.Take ownership of performance, reliability, and accuracy across essential user interactions, encompassing rendering performance, state management, caching, and data synchronization.Lead the architecture of frontend systems capable of managing real-time updates, blockchain state transitions, and high-frequency interactions without compromising user experience.Establish scalable patterns and abstractions to facilitate rapid iteration of products without increasing systemic complexity.Drive architectural decisions in collaboration with backend and Solana engineers, defining clear client-server boundaries and data contracts.Proactively identify scaling bottlenecks and redesign systems in anticipation of constraints.Oversee multi-quarter frontend projects from inception through design to deployment, monitoring, and subsequent iterations.Enhance engineering standards by implementing thorough design reviews, performance evaluations, testing protocols, and ensuring operational readiness.Boost developer productivity by refining tools, build systems, CI/CD processes, observability, and frontend infrastructure.Act as a technical leader during critical launches or incidents impacting core user flows.

About GigaGiga has recently secured a significant $61 million in Series A funding and boasts a roster of esteemed clients, including DoorDash. We are on a mission to revolutionize customer experience with our next-generation AI agents that can comprehend emotions, resolve issues in real-time, and scale efficiently across prominent enterprises worldwide.This is a pivotal moment for Giga as we aspire to elevate our status to the leading AI platform for enterprise automation, driven by our voice superintelligence. To reach these ambitious goals, we are in search of exceptional engineers to join our team.The impact of our work touches millions of lives daily, and our engineers are empowered to make substantial contributions. This is a unique opportunity to join a company with visionary founders that has achieved commercial success and is on track to become a generational enterprise.Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga develops AI agents that are trusted by the largest B2C companies globally. Industry leaders like DoorDash rely on Giga for managing their most complex support and operational workflows across voice, chat, and email. If this aligns with your aspirations, we encourage you to apply!The RoleWe are seeking a Frontend Infrastructure Engineer to create the tools and systems that will enhance the productivity of our frontend engineers. Your primary users will be internal engineers rather than end customers; you will focus on developing design systems, developer tooling, and foundational abstractions that empower the rest of the engineering team.This position is distinct from product engineering roles that focus on delivering features directly to customers. You will engage in frontend API design, ensure code quality infrastructure, and construct reusable components that provide a superior user experience. If you have experience on a design systems team, frontend platform team, or developer experience team in a larger organization, this role will resonate with you.What You'll Work OnHere are a few examples of projects you may tackle:Design System: Create and maintain a component library with clear APIs, consistent patterns, and comprehensive documentation.Developer Tooling: Develop CLIs, build tools, and automation processes that accelerate frontend development cycles.

Join the Innovative Team at FLORAAt FLORA, we empower the new creative class with cutting-edge tools that redefine creative expression. Our intelligent canvas integrates advanced AI models to facilitate professional-grade craftsmanship. Backed by $52 million in funding from top-tier investors like Redpoint Ventures and Menlo Ventures, we are a dynamic team of around 20 dedicated to serving a diverse clientele, including renowned brands like Pentagram, Lionsgate, and Nike.About the PositionWe are in search of a Staff Product Engineer who will take ownership of essential elements of FLORA's product. As a technical leader, you will influence our frontend systems, focusing on canvas rendering, intricate workflow interactions, and the media layer crucial for image and video editing.We need a candidate who is passionate about their craft, delivers polished work swiftly, and continuously enhances it until it stands out. You will have significant influence over the technical direction and the opportunity to shape the future of our product engineering team.In This Role, You Will:Create canvas and workflow systems that simplify complexity, enabling users to effortlessly manage intricate, multi-step pipelines.Enhance our media control layer to expand image and video editing functionalities.Deliver high-performance, visually stunning UI that meets the expectations of creative professionals.Make architectural decisions throughout our frontend stack (Next.js, Zustand, React Flow, Convex, Vercel).Implement features that encompass the entire stack.Ideal Candidates Will Have:7+ years of experience developing web applications, with a proven track record of delivering polished products at scale.5+ years of extensive experience with React and TypeScript, possessing strong views on component architecture, state management, and performance optimization.Hands-on experience in creating high-performance, visually appealing web applications.Experience in building successful products from the ground up.Demonstrated technical leadership skills: guiding direction, making architectural choices, and uplifting fellow engineers.Exceptional Candidates Might Also Possess:Experience with AI-driven applications.Familiarity with specialized web media APIs: WebGL (@react-three/fiber), WebGPU, WebCodecs, or WebAssembly.

About GeminiFounded in 2014 by Cameron and Tyler Winklevoss, Gemini is a pioneering global platform in cryptocurrency and Web3, dedicated to delivering a suite of user-friendly, secure, and dependable crypto solutions for both individuals and institutions in over 70 countries. Our mission is to usher in a new era of financial, creative, and personal freedom by granting trusted access to the decentralized future. We envision a world where cryptocurrencies redefine the global financial landscape, enhancing choice, independence, and opportunity for all. By bridging traditional finance with the burgeoning cryptoeconomy, we aim to create a more open, equitable, and secure financial system. As a publicly traded company, Gemini is uniquely positioned to amplify this vision with expanded scale and influence.The Trading Systems DepartmentThe Role: Staff Software Engineer (Frontend)As a Staff Frontend Engineer at Gemini, you will collaborate with a dynamic cross-functional team of web, mobile, and backend engineers to tackle complex challenges that will shape the future of the digital asset ecosystem. Your contributions will directly enhance our customer experience, setting us apart as a leader in the industry and helping to build an unparalleled crypto exchange. If you are passionate about solving technical challenges that impact our customers and clients, we invite you to connect with us.This position requires in-person attendance at our New York City office twice a week.

About the RoleAt Sigma, we are revolutionizing the way organizations operate by providing a robust platform built on modern data architecture. Our engineering team is expanding, and we are seeking passionate engineers who thrive on tackling complex challenges and delivering powerful solutions across our technology stack. Join a skilled team dedicated to making data accessible to all users effortlessly.Your ResponsibilitiesCraft sophisticated and responsive user interfaces utilizing cutting-edge front-end technologies, taking ownership of significant product components from conception through launch.Collaborate closely with product management, UX design, and backend development teams to create innovative features that enhance our product experience and simplify usability for non-technical users.Apply your front-end development expertise to create unique visualizations for both structured and unstructured data while developing techniques to enhance application performance and interactivity.Utilize modern front-end frameworks such as React, GraphQL, TypeScript, and Node.js.Required QualificationsOver 10 years of experience in developing and maintaining high-quality software solutions.A keen eye for design and a strong commitment to building exceptional products that deliver outstanding user experiences.Proficiency in balancing functionality with delivery speed to maximize customer value while iterating based on feedback and strategic priorities.A collaborative spirit with a desire to enjoy work while taking pride in ownership of your contributions.A strong sense of craftsmanship and an intellectual curiosity to tackle various challenges at Sigma.Solid foundation in computer science principles.Preferred Qualifications (and skills you'll gain!)Experience in developing software capabilities for analyzing large-scale data-driven web applications.Previous experience within a rapidly growing organization, addressing technical challenges to facilitate ongoing success.

Who We AreBaton Corporation is a pioneering development firm responsible for crafting and managing the comprehensive technology infrastructure behind pump.fun, recognized as the largest memecoin launchpad currently operational. Our systems are designed with low latency and high throughput, functioning under continuous load where precision is paramount.What You’ll DoIn the role of Staff Frontend Engineer, you will take ownership of designing and advancing significant components of our frontend architecture. This is a hands-on position with high impact, concentrating on creating fast, reliable, and maintainable user-facing systems that perform under real-world conditions.Architect and enhance large-scale frontend systems utilizing React and Next.js, catering to hundreds of thousands of users.Ensure performance, reliability, and accuracy across vital user flows, focusing on rendering performance, state management, and data fetching.Develop frontend abstractions and design patterns that evolve with increasing team and product complexity.Collaborate closely with backend and Solana engineers to establish clean and efficient client-server boundaries.Lead complex frontend projects from technical design through implementation, deployment, and iterative improvements.Uphold high standards for code quality, testing, and operational readiness throughout the frontend codebase.Mentor and support fellow frontend engineers through design reviews, collaborative work, and hands-on guidance.

About ClayAt Clay, our mission is to empower organizations to transform their growth aspirations into tangible successes.We believe that growth is a creative endeavor rather than a mere formula. Identifying and engaging your ideal customers necessitates innovative thinking and ongoing refinement. In a landscape where AI accelerates execution and makes strategies easily replicable, creativity stands as the ultimate differentiator. We proudly support a diverse array of clients — including Anthropic, Notion, Google, and Ramp — in their market journeys through unique data insights, signals, and AI-driven research.In 2025, we achieved a remarkable milestone of $100M in revenue and secured a $100M Series C at a $5B valuation, supported by top-tier investors such as Sequoia, CapitalG, and First Round. Our commitment to our stakeholders is evident as we completed our second employee tender offer and initiated a community equity round for our customers, agency partners, and club members.Here are some key insights about our organization:Our community comprises over 11,000 customers, 150+ integration partners, 125+ agencies, 50+ Clay clubs, and 30,000 members on Slack.Our unique culture fosters creativity both in and outside of work. Our team is comprised of DJs, activists, writers, clowns, marathon runners, skydivers, psychedelic therapists, social workers, and much more.All employees have access to complimentary sessions with world-class coaches specializing in creativity, management, and other fields.Our operating principles — including negative maintenance and non-attached action — inform our workflow. Discover more about them here.For more insights about our company, check out our feature in the New York Times.

Senior Frontend EngineerLocation: New YorkOn-site | Full-timeCompensation: CompetitiveJoin our client, a leading technology development firm at the forefront of digital asset innovation. This organization is renowned for constructing and managing the essential infrastructure that powers the world's busiest digital asset launchpads. Their systems are designed for low latency, high throughput, and the capability to handle extensive concurrent loads. In this critical environment, technical precision is vital; the frontend systems must maintain resilience and performance amidst hundreds of thousands of active users.We are seeking a Senior Frontend Engineer to spearhead the design and evolution of large-scale frontend architecture. This role is hands-on and high-impact, concentrating on the development of fast, reliable, and maintainable user-facing systems. The selected candidate will be part of an elite team in a fast-paced environment where high expectations and immediate results are the norm.Key ResponsibilitiesSystem Architecture: Design and enhance large-scale frontend systems using React and Next.js, ensuring performance and scalability for a vast global audience.Performance & Reliability: Own the performance, reliability, and correctness across critical user flows, including rendering optimization, complex state management, and efficient data fetching.Pattern Design: Create frontend abstractions and architectural patterns that effectively scale with increasing product complexity.Boundary Definition: Collaborate with backend and Solana engineers to define efficient client-server interfaces and data synchronization strategies.End-to-End Leadership: Manage complex frontend projects from initial design to implementation, deployment, and iterative improvements.Quality & Standards: Uphold high standards for code quality, thorough testing, and operational readiness across the frontend codebase.Mentorship: Provide mentorship and support to other frontend engineers through design reviews, pairing, and direct technical guidance.Interview ProcessRecruiter / HR Call: Initial screening to discuss professional background and cultural fit.Technical Interview: In-depth assessment of frontend architecture, React internals, and performance optimization techniques.Final Interview: Comprehensive discussion focusing on strategic vision, leadership skills, and role expectations.

Join us as a Founding Frontend Engineer at Meridian, where you will design and develop high-performance, visually captivating applications that power the future of agentic platforms.Your ResponsibilitiesTransform conceptual wireframes into outstanding user interfaces.Utilize advanced CSS techniques to create pixel-perfect and sophisticated user experiences.Enhance front-end code for optimal smoothness and responsiveness in interactions.Collaborate closely with designers and engineers to bring innovative ideas to fruition with speed and accuracy.Play a key role in shaping our product’s core architecture and establishing front-end best practices.Your Profile‍Proficient in React, Next.js, and TypeScript, with a solid grasp of state management and performance optimization.Extensive experience with Tailwind CSS or SASS/SCSS, crafting refined and visually appealing UIs.Demonstrated ability to architect and scale complex Next.js applications, leveraging features such as App Router, SSR, SSG, and ISR.Familiarity with fetch management libraries like react-query or equivalents.Hands-on experience with CSS animations, transitions, and layout techniques for creating fluid, engaging interfaces.A robust portfolio showcasing exemplary front-end development work.A strong eye for design, detail, and user experience, ensuring seamless interactions.Thrives in a fast-paced, high-performance startup environment, rapidly iterating on new ideas.

About ForaFora is a revolutionary travel agency, designed to empower passionate individuals to establish successful advisory businesses. We aim to modernize the $100B+ travel agency sector by integrating cutting-edge technology, data insights, and community support, enabling thousands of entrepreneurs to thrive on our platform. Our comprehensive business-in-a-box solution equips travel advisors with state-of-the-art tools, tailored training, a vibrant community, and exclusive industry partnerships. Our mission is clear: to help the next generation of travel entrepreneurs transform their passion for travel into a rewarding career, whether full-time or part-time. We believe that anyone, from experienced professionals to aspiring advisors, can create a venture that is both profitable and fulfilling.Founded in 2021 by experienced entrepreneurs, Fora has seen significant growth, expanding to a dedicated team of over 200 full-time employees based in downtown New York City. In 2025, we proudly announced our $60 million Series B and C funding rounds, spearheaded by Thrive Capital and Insight Partners, with contributions from previous investors such as Forerunner and Heartcore Capital. Our accolades include being named a LinkedIn Top Startup 2024, Fast Company’s Most Innovative Companies in 2023 and 2025, and Built In’s Best Places to Work in 2025.We are on a mission to create the first truly integrated platform for all travel needs—leveraging the best of human expertise and technology to revolutionize how people plan and book their travel.About The RoleWe are seeking a highly experienced Senior/Staff Frontend Engineer to join our team as we continue to enhance Fora’s products and infrastructure. In this pivotal role, you will be instrumental in shaping the Advisor Experience, which is the core of the Fora Platform. Collaborating closely with Product and Design teams, the Sr. Frontend Engineer will develop our public-facing website, content and supplier systems, internal administrative tools, and external integrations. The ideal candidate will resonate with our mission and brand, be excited about our innovative solutions, and possess a strong passion for creating high-quality software.

Join Thread AI as a Frontend Software EngineerAt Thread AI, we are dedicated to revolutionizing the way enterprises and public sector agencies harness the power of AI through our innovative AI-native workflow orchestration engine. We are expanding our dynamic team and seek passionate individuals to contribute to our mission of simplifying infrastructure and maximizing AI potential.Based in the vibrant city of New York, our team comprises AI, product, and engineering professionals with extensive experience in crafting and implementing sophisticated workflows and infrastructure solutions.Our Engineering CultureWe pride ourselves on being a tight-knit, dedicated technical team that encompasses engineering, research, design, product development, and operations. Our philosophy revolves around the belief that a compact, collaborative team can innovate and deliver superior products more effectively than larger, hierarchical organizations.Role OverviewWe are on the lookout for a seasoned frontend engineer who thrives in a collaborative and iterative environment. You will play a vital role in delivering our technology to users worldwide, ensuring safe and reliable deployment. We value curious and creative individuals who excel at problem-solving and are eager to contribute in a fast-paced, ownership-driven atmosphere. Additionally, we seek team members who prioritize meaningful interactions among developers, subject matter experts, technology, and the community.

Harvey is looking for a Frontend Platform Engineer in New York to help shape how users interact with our platform. This position centers on building web applications that combine strong visual design with practical functionality. Role overview This role focuses on improving the user experience across our platform. The work involves developing features that make the product both attractive and easy to use. Every change made in this role has a direct effect on how customers engage with Harvey's offerings. What you will do Develop web applications with a focus on both design and usability Enhance the overall experience for users interacting with the platform Work on projects that influence the look and feel of customer-facing features