Senior Frontend Software Engineer - Social

At StubHub, we are dedicated to transforming the live event experience worldwide. Whether attending a first concert or a hundredth show, we ensure our customers are delighted from the moment they search for a ticket until they enter the venue. This commitment extends to our sellers, from fans listing a single ticket to promoters of major tours, making StubHub the ultimate platform for safely and conveniently offering tickets to millions of global fans.Join the Open Distribution TeamWe are a newly established segment within StubHub’s Product and Technology division, focused on innovating partner inventory synchronization. As a Software Engineer II (Frontend) on the Content Right Holder Tooling team, you will spearhead the development of sleek, user-centric frontend experiences utilizing TypeScript and React. Your contributions will help create tools that our partners depend on daily. You will also play a key role in integrating AI-driven user experiences, leveraging intelligent automation, insights, and agent-driven workflows directly into our user interface, employing technologies like large language models, OpenAI, and Claude.Location: Hybrid (3 days in office/2 days remote) – Century City, CA

Join Hadrian - Shaping the Future of ManufacturingAt Hadrian, we are revolutionizing the aerospace and defense sectors by creating autonomous factories that enable the manufacturing of rockets, satellites, jets, and ships up to 10 times faster and at half the cost. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are transforming how America produces its most essential components.With a recent influx of $260 million in Series C funding, we are poised to accelerate our mission. We are launching a state-of-the-art Factory in Mesa, Arizona, spanning 270,000 square feet and creating 350 immediate job opportunities. Additionally, we are establishing a new headquarters to accommodate thousands of future hires, unveiling Hadrian Maritime for naval production, and introducing a Factory-as-a-Service model that provides complete systems rather than just individual components.Hadrian collaborates with startups, Tier 1 and Tier 2 suppliers, and major defense contractors in the realms of space, shipbuilding, and aviation to enhance production capabilities, cut costs, and expedite delivery on mission-critical projects. Supported by leading investors such as Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly expanding team is dedicated to reindustrializing American manufacturing for the 21st century and beyond!Your RoleAs a Frontend Software Engineer, you will have the opportunity to collaborate with various internal products and teams. You will work on:Flow, our FactoryOS platform that encompasses a diverse range of applications designed to model, manage, and automate our intricate network of factories.Copilot, a suite of manufacturing automation tools that streamline essential factory processes like quoting, CAM programming, and CMM programming.Factory Automation, where you will help develop robotic cells and the software that governs them.This role offers ample opportunities for those passionate about redefining manufacturing software to make a significant impact.Your ResponsibilitiesDesign, architect, and deploy vital applications across various product lines.Collaborate with manufacturing and software experts during product discovery to identify needs and enhancements.Work alongside a talented team of engineers and operators to bring innovative solutions to life.

At StubHub, we're on a transformative journey to elevate the live event experience on a global stage. Whether it's your first concert or your hundredth game, our mission is to ensure you are delighted from the moment you seek a ticket to the instant you step through the venue gates. We extend the same commitment to our sellers, whether they are individual fans selling a single ticket or promoters orchestrating a worldwide stadium tour. Our goal is to make StubHub the safest, most convenient platform for millions of fans browsing our services worldwide.Open Distribution is an innovative sector within StubHub's Product and Technology organization, dedicated to pioneering the future of partner inventory synchronization. As a Software Development Engineer II (Backend) on the Content Right Holder Tooling team, you will play a pivotal role in creating AI-driven core services, APIs, data flows, and distributed systems aimed at fostering automation and intelligent workflows utilizing OpenAI and Claude.Location: Hybrid (3 days in office, 2 days remote) – Century City, CA Your Responsibilities:Develop Backend and Agentic AI ServicesDesign and enhance backend services and agentic systems that streamline content right holder workflows, automation, and intelligent decision-making.Facilitate AI-Powered Workflows - Integrate AI capabilities like automated validation, diagnostics, recommendations, and guided workflows via backend services and supporting APIs.Continuous Platform ImprovementEngage with Distributed and Data-Driven Systems - Contribute to services managing data ingestion, synchronization, and processing at scale, prioritizing accuracy and resilience.Translate Product Requirements into Functional Systems - Turn product ideas into operational systems, collaborating across frontend and backend to deliver cohesive features.Ensure System Reliability and Operability - Develop systems that are observable, debuggable, and resilient, while enhancing platform performance in real-world scenarios.

Zoo is building a modern hardware design toolkit aimed at reshaping the mechanical CAD industry. Founded in 2021 and backed by Embedded Ventures, the company operates from Los Angeles, California, with both local and remote team members. The team is focused on delivering advanced infrastructure and tools for hardware creators, addressing gaps in current CAD solutions. Role overview This Senior Frontend Software Engineer role centers on developing and refining Zoo Design Studio, an open-source CAD modeling application. The product uses a DSL-driven approach, combining a traditional CAD UI for code generation and editing with real-time 3D scene streaming from a remote graphics engine. The position involves close work with backend systems, especially integrating UI features that modify DSL code, trigger executions using Rust/Wasm, and interact with the backend through a WebSocket API. What you will do Develop and enhance the frontend of the modeling application, with a strong focus on performance and user experience Work closely with backend developers to ensure features are integrated smoothly Who thrives here Curious individuals who enjoy learning and exploring new approaches People who keep the user experience at the center of their work Engineers comfortable working independently and asynchronously, while also contributing as collaborative team members Requirements Significant experience building high-performance, scalable web applications Deep expertise in frontend performance optimization Ability to contribute to both frontend feature development and integration with backend APIs Learn more about the project: Zoo Design Studio on GitHub.

Why Choose PlayStation?At PlayStation, we believe in creating an exceptional environment for our employees, making it not just the Best Place to Play, but also the Best Place to Work. We are a global leader in entertainment, known for our innovative products and services including the PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and acclaimed titles from PlayStation Studios.We pride ourselves on fostering an inclusive workplace that champions diversity. We invite those who are passionate about technology, innovation, and gaming to explore our opportunities and join our expanding global team.As a subsidiary of the Sony Group Corporation, PlayStation is committed to excellence.Position Overview: Software Engineer II (Frontend) - SocialLocation: Los Angeles, CA (Must be willing to relocate to the Los Angeles, Orange County, or San Diego area)In the role of Software Engineer II, you will be instrumental in designing and developing engaging solutions for PlayStation features across various platforms including PS5 and mobile. You will leverage your technical expertise and experience to deliver high-quality implementations, driven by a passion for front-end development and web technologies.

Join our client, a pioneer in revolutionizing control systems for the world's most essential hardware across sectors such as aerospace, automotive, energy, and advanced manufacturing. Their innovative software platform integrates an intuitive command and control interface, a tailored programming language for hardware management, and a high-performance runtime environment. This empowers engineers to swiftly, reliably, and safely develop, test, and implement mission-critical systems.We are looking for a Frontend Software Engineer to create, enhance, and maintain user interfaces that empower hardware operators to function more efficiently and safely. Your contributions will directly enhance testing processes and improve the overall product experience.In this position, you will introduce new functionalities to boost system reliability, performance, and maintainability. You'll work closely with operators to transform real-world operational requirements into user-friendly software that supports complex hardware systems.Your ResponsibilitiesCraft and develop sleek, dependable user interfaces utilizing ReactEmphasize usability, safety, and minimizing operator cognitive loadFacilitate a long-term vision enabling operators to effortlessly manage multiple operations, vehicles, and sitesCreate tools, frameworks, and workflows that streamline the software stack and lessen ongoing maintenanceMaintain rigorous engineering standards and best practices throughout the systemAnalyze intricate technical challenges and develop scalable, robust solutionsCollaborate directly with operators to observe real-world applications and gather insightsEngage in continuous learning and contribute across both frontend and backend systemsRequired Skills3+ years of hands-on experience with React and TypeScriptSolid grasp of React hooks, context, and performance enhancement techniquesExpertise in real-time data visualization and high-frequency data updatesSkilled in modern CSS (CSS-in-JS, CSS variables, responsive design)Experienced in unit and end-to-end testing (Vitest/Jest, Playwright/Cypress)Familiarity with WebSocket-based frameworksPreferred SkillsBackground in scientific or industrial data visualizationUnderstanding of WebSocket technologies

About Us At Otter, we are redefining the restaurant experience in the digital age. While traditional restaurateurs thrived on their love for food and people, we acknowledge that today's successful digital restaurateurs must also embrace technology. Our mission is to empower restaurants worldwide—from global giants like Chick-fil-A and KFC to beloved local brands—to excel in online food delivery. Our innovative software solutions enhance sales, minimize order errors, and streamline delivery operations. Your Role Architect and develop state-of-the-art React applications utilizing WebSockets, Server-Sent Events (SSE), and GraphQL subscriptions. Collaborate on enhancing our courier mobile applications built with React Native. Guide the technical design of complex features and systems from inception to production deployment. Take ownership of projects, ensuring successful execution, sound technical decisions, and cross-departmental collaboration. Boost frontend reliability, performance, and scalability within a high-demand, real-time environment. Lead debugging efforts, incident management, and performance analysis for frontend systems. Mentor junior engineers, fostering a culture of excellence in frontend development across the team. Qualifications Minimum of 7 years in software engineering with a focus on frontend technologies. Extensive experience with TypeScript and modern web application frameworks. Thorough understanding of client networking, asynchronous programming, performance tuning, caching mechanisms, and client-side state management. Proficient in integrating with both GraphQL and REST APIs. Demonstrated capability to spearhead technical projects and influence architectural decisions and best practices. Experience in mentoring junior engineers and promoting team growth. Adaptability to thrive in a dynamic environment as our product and team progress. Preferred Skills Experience in building or managing delivery, logistics, or real-time systems at scale. Full-stack development experience with a grasp of backend trade-offs and system architecture. A history of enhancing developer productivity through tools, design patterns, or process optimizations. Familiarity with contemporary frontend architecture standards, including performance, security, and user experience considerations.

About Rebuild Manufacturing and Reflow Rebuild Manufacturing is launching Reflow, an AI-driven platform built for hardware product development. Reflow connects the many tools that hardware teams use, keeps track of every project detail, and helps coordinate changes across disciplines. The goal: eliminate missed change requests and overlooked context that slow down engineering work. Backed by a leader in engineering and manufacturing, Reflow offers a chance to shape a product that replaces outdated spreadsheets and status meetings for hardware teams. Role Overview: Senior Frontend Engineer This Senior Frontend Engineer role focuses on building and refining the user experience for Reflow. The position is hands-on and central to the team’s success. The engineer will write code daily, guide frontend architecture, and help grow the design system as the product evolves. Location options include Greater Boston, MA; Los Angeles, CA; or Seattle, WA. What You Will Do Build production-ready React applications using TypeScript Create and maintain a shared component library Design interfaces for structured engineering data, requirements with traceability, phase/gate tracking, dependency graphs, task boards with discipline tags, and version-controlled project plans Develop interfaces for AI agent interactions, including streaming chat, proactive coordination alerts, and AI-generated status summaries and deliverables (such as proposals, SOWs, and reports) Implement portfolio-level dashboards for engineering leaders and executives to visualize cross-project cost, schedule, and risk Write well-tested code using unit and end-to-end tests Work closely with backend engineers for API integration and client SDK usage Contribute to frontend architecture discussions and help expand the design system Who We’re Looking For Experience deploying production React applications Strong opinions on component architecture and design systems Familiarity with AI coding tools such as Cursor, Copilot, or Claude Interest in building interfaces that are fast, intuitive, and enjoyable Comfort working closely with hardware and software teams to design tools for structured engineering artifacts and real-time project insights

Capsule is revolutionizing video editing with our intuitive, AI-driven platform tailored for dynamic teams. As a rapidly growing Series A startup, we are founded by seasoned entrepreneurs who have successfully developed creative platforms that engage hundreds of millions of users. Our journey is supported by elite investors behind notable names like Webflow, Figma, Slack, and Replit.In less than a year, over 100 enterprise teams, including industry leaders such as HubSpot, ServiceNow, and Instacart, have adopted Capsule to streamline the production of high-quality, brand-aligned video content at scale.We are seeking a Senior Frontend Engineer to play a pivotal role in shaping the future of our web-based video editing solution. You will be an integral part of our engineering culture and product strategy, collaborating closely with design and product teams in a zero-ego, high-ownership work environment.

Join our innovative team in a hybrid work environment where most US-based roles can be performed remotely.Our Mission:We strive to connect individuals with their next significant opportunity.About Us:At ZipRecruiter, we are a premier online employment marketplace. Utilizing cutting-edge AI-driven smart matching technology, we connect millions of businesses and job seekers through our innovative mobile, web, and email services. Our partnerships with top job boards further enhance our service offerings, and our job search app is the highest-rated on both iOS and Android.Role Overview:We are on the lookout for an experienced Senior Software Engineer specializing in Site Reliability. In this pivotal role, you will collaborate with product-focused engineering teams to provide robust infrastructure, advanced tools, and architectural designs essential for the rapid and sustainable scaling of our services.As part of our SRE team, you will significantly influence engineering methodologies across the organization. Your expertise will help us create streamlined pathways toward best practices, establish safeguards against potential pitfalls, and minimize operational toil. The ideal candidate will possess a comprehensive understanding of both immediate product goals and long-term scalability objectives, along with the technical acumen to design systems that harmonize these priorities.Key Responsibilities:Architect, implement, and troubleshoot large-scale fault-tolerant distributed systems.Develop and maintain a diverse suite of tools and frameworks around our Kubernetes clusters.Design, implement, and optimize a complex and efficient CI/CD infrastructure.

At StubHub, we are on a transformative journey to elevate the live event experience globally. Whether it's an individual's first time attending an event or their hundredth, we are dedicated to providing an exceptional journey from ticket discovery to entry. Our platform aims to be the go-to solution for fans and sellers alike, ensuring a secure and convenient way to connect with millions of other fans worldwide.StubHub is in search of a passionate Software Engineer II to innovate and develop state-of-the-art technologies and intricate features. As a key player in our engineering team, you will face significant, complex challenges, where your creativity and problem-solving skills will shine as you develop impactful technical solutions. We value initiative and enthusiasm, and you will have the opportunity to engage in diverse projects that meet business needs throughout your career with us. The ideal candidates are those who display versatility, a growth mindset, a willingness to learn, and an eagerness to tackle new challenges across the organization. Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA About the team: The Consumer Experience (CX) team is dedicated to creating a seamless product experience for fans seeking to discover, purchase, and sell tickets for their favorite live events through our web and mobile platforms. This team plays a crucial role in fulfilling StubHub’s mission to become the premier platform for accessing live events by designing enjoyable and effective product experiences used daily by millions. We are committed to understanding our users’ needs and delivering both short-term and long-term feature innovations that enhance their experience. Our global fan base requires us to deliver a localized experience that feels personalized for individuals in over 60 regions and 30 languages. We believe that diverse perspectives and transparency in impact foster the best innovations, which is why our cross-functional team of specialists in product, design, engineering, and data collaborates closely with equal input in the ideation process.

Join StubHub, where we are dedicated to transforming the live event experience on a global level. Whether it's a customer's first concert or their hundredth sporting event, we aim to provide unparalleled service from the moment they search for a ticket until they enter the venue. We also prioritize our sellers, ensuring that whether a fan is listing a single ticket or a promoter is managing a worldwide stadium tour, StubHub remains the safest and most user-friendly platform for ticket offerings.The Fulfillment team is committed to ensuring the authenticity of every ticket delivered. We are responsible for the entire post-purchase process, which includes barcode integrations, mobile wallet functionality, partner API connections, inventory management, monitoring, and incident response. Our goal is to achieve zero fulfillment errors, providing a smooth experience for both fans and sellers.As a Software Engineer II, you will develop comprehensive post-purchase flows and partner integrations that enhance our reliability and deliver measurable business outcomes on a grand scale.

About Us:At Endless Commerce, we are revolutionizing the multi-channel commerce landscape with a sophisticated platform designed to enhance order management, fulfillment, and integrations for businesses of all sizes. Our cutting-edge solutions empower brands to refine their operations using modern technology and a robust, scalable architecture. We are a dynamic team committed to developing reliable, elegant, and efficient software utilizing tools such as Ruby on Rails, Sidekiq, PostgreSQL, Redis, and Heroku. Our mission is to provide seamless, high-performance experiences that promote success for our clients.Your Role:As a Senior Front-End Software Engineer, you will be instrumental in crafting the user interface of our platform and enhancing the overall user experience. You will be tasked with developing high-quality, scalable, and interactive front-end solutions, addressing technical challenges, and driving significant improvements. Collaborating closely with back-end engineers, designers, and stakeholders, you will influence the platform’s architecture and help ensure a flawless user experience. Your contributions will enable us to deliver state-of-the-art e-commerce solutions to our clients.Key Responsibilities:Develop, test, and maintain front-end features using TypeScript, Next.js, and RailsJS.Collaborate with designers and back-end engineers to create an intuitive and cohesive user interface.Ensure the platform is scalable, high-performing, and adheres to quality standards.Monitor production systems, troubleshoot issues, and implement enhancements.Optimize performance for front-end applications to improve user experience.Mentor junior engineers and foster a culture of learning and technical excellence.Write clean, maintainable code while adhering to software development best practices.

At StubHub, we are dedicated to transforming the live event experience on a global scale. From the moment a fan seeks a ticket to when they enter the venue, we strive to provide exceptional service. Our platform is a trusted space for sellers, whether they are fans selling a single ticket or promoters of large-scale tours, ensuring convenience and safety for millions of users worldwide.We are on a journey to reconstruct the global marketplace for live experiences, integrating AI into our processes for discovery, personalization, pricing, and conversion. We seek a proactive and product-oriented Software Engineer II who is eager to take ownership across the entire technology stack and make a significant impact on the experiences of millions of fans.This role is not confined to just front-end or back-end tasks; it is for engineers who seek to wield influence. Candidates should be adept at navigating between UI, APIs, services, experimentation frameworks, and data-driven iterations to deliver meaningful product enhancements rapidly.Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CAAbout the Team:The Consumer Experience team manages the most vital aspects of StubHub, including:Event discovery and searchPersonalization and recommendationsMerchandising and pricing surfacesConversion and checkout flowsWeb and mobile user experienceWe foster a dynamic environment where talent thrives, encouraging engineers to influence product direction, conduct experiments, and drive business metrics. Our rapid deployment cycles, comprehensive measurement, and agile iteration are central to our approach.Your Responsibilities:Design and develop high-scale consumer features used by millions.Take ownership of projects from initial concept to deployment.Collaborate across front-end and back-end systems to achieve complete solutions.Implement A/B testing and iterate based on actual user data.Incorporate AI-powered features into user-facing product workflows.Engage closely with product, design, and data teams to drive results.

Join Hadrian in Shaping the Future of ManufacturingAt Hadrian, we are on a mission to revolutionize the aerospace and defense manufacturing landscape through our state-of-the-art autonomous factories. Our innovative approach enables companies to manufacture rockets, satellites, jets, and ships at speeds up to 10 times faster and at costs reduced by half. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are redefining the production of America's most essential components.Recently, we secured a $260 million Series C funding to expedite our vision. We are thrilled to open a new state-of-the-art Factory in Mesa, Arizona—a sprawling 270,000 square foot facility that will create 350 immediate job opportunities. Furthermore, we are establishing a new headquarters to accommodate thousands of hires in the future, launching Hadrian Maritime to support naval production, and introducing our Factory-as-a-Service model for delivering holistic systems instead of mere parts.We collaborate with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across industries such as space, shipbuilding, and aviation to enhance production, drive down costs, and expedite delivery of mission-critical initiatives. Backed by prominent investors like Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly expanding team is united by a singular goal: to modernize American manufacturing for the 21st century and beyond!Your RoleAs a Backend Software Engineer, you will engage with multiple internal products and teams:Flow is our flagship FactoryOS platform, housing applications that model, manage, and automate an intricate web of factories.Copilot offers a suite of automation products that enhance or expedite crucial factory processes, including quoting, CAM programming, and CMM programming.Factory Automation is responsible for creating robotic solutions for our factories along with the software that powers them.Prospective candidates will find diverse opportunities to innovate within our extensive backend services and applications, particularly in redefining manufacturing software, from distributed systems to automation infrastructures.Key ResponsibilitiesDesign, architect, implement, and deploy critical backend services across various product lines.Develop and maintain robust, scalable, and high-performance APIs and systems tailored for a complex production environment.Collaborate with manufacturing and software experts during product discovery to determine essential features and improvements.

Join Freeform Future Corp as a Senior Embedded Software Engineer! In this role, you'll be at the forefront of developing innovative software solutions for embedded systems. Collaborate with a talented team to design, implement, and optimize software that powers our cutting-edge products. Your expertise will be essential in driving the success of our projects, ensuring high performance and reliability.

The aerospace industry faces a critical demand for innovative spacecraft solutions. With the recent surge in launch vehicles and decreasing costs to orbit, a growing number of companies are entering the space sector, necessitating advanced commercial spacecraft platforms, known as satellite buses. These satellite buses are essential for carrying payloads into space and are designed for optimal performance during launches.At Apex, we specialize in manufacturing these satellite buses at scale, leveraging cutting-edge technology in software, vertical integration, and hardware tailored for efficient manufacturing processes. Our spacecraft play a pivotal role in shaping the future of society, contributing to applications ranging from Earth observation to advanced communications.Join us on our mission to provide humanity with access to the galaxy beyond our planet!

At K2 Space Corporation, we are pioneering the development of the world's largest and most powerful satellites, enabling unprecedented performance across all orbits. With an impressive backing of $450 million from prestigious investors like Altimeter Capital, Redpoint Ventures, and Lightspeed Venture Partners, along with an additional $500 million in contracts from commercial and U.S. government clients, we are revolutionizing satellite manufacturing and operations.The advent of heavy-lift launch vehicles marks a transformative shift in the aerospace sector from mass constraints to mass abundance. This evolution necessitates a new category of spacecraft, designed to withstand extreme radiation environments and fully leverage today’s, and tomorrow’s, powerful rockets. K2 satellites provide unparalleled capabilities at a constellation scale across diverse orbits.With numerous launches scheduled through 2026 and 2027, we are committed to developing the solar system and advancing towards becoming a Kardashev Type II civilization. If you are an enthusiastic individual who thrives in a dynamic environment and is eager to contribute to the success of a groundbreaking Series C space startup, we encourage you to apply.Our enterprise software team is integral to K2 Space’s mission, developing the digital infrastructure that supports satellite design, manufacturing, and mission operations. We create tools that seamlessly connect engineering, production, and mission control, accelerating our hardware's journey from concept to orbit.

Join us at Oscar, where we are on a mission to redefine health insurance through technology! We are excited to invite talented Staff Software Engineers to become a part of our dynamic Engineering team. Founded in 2012, Oscar is pioneering a health insurance model centered around a comprehensive technology platform that prioritizes the needs of our members. We aim to create a health insurance experience that feels as supportive and caring as a family doctor. Role Overview We are looking for Staff Software Engineers with a fullstack focus (leaning towards frontend) to collaborate with various teams across our Engineering organization. In this pivotal role, you will spearhead technical initiatives aimed at developing dependable and maintainable applications, infrastructure, and user interfaces that streamline interactions with the healthcare system for both our members and providers. You will report to a leader within the Engineering Organization (Associate Director or higher). Work Location: This position is based in our Los Angeles office, requiring a hybrid work schedule with three in-office workdays per week. Thursdays are mandatory in-office days for team meetings and events, while the other two office days offer flexibility to accommodate your schedule. #LI-Hybrid Compensation Transparency: The base salary for this role ranges from $192,000 to $252,000 per year. Additionally, you will have access to employee benefits, participation in Oscar's unlimited vacation program, potential company equity grants, and annual performance bonuses.