Senior Frontend Software Engineer

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.

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.

Why Join PlayStation?At PlayStation, we don't just provide exceptional gaming experiences; we strive to be the most rewarding workplace in the industry. As a recognized leader in entertainment, we develop the PlayStation family of products, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and a range of acclaimed titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers our diverse workforce. If you have a passion for technology, innovation, and play, we invite you to explore our open positions and join our dynamic global team.PlayStation is a brand of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Position OverviewAs a Senior Frontend Software Engineer focusing on Social features, you will design and develop state-of-the-art functionalities for PlayStation across PS5, mobile, and various other platforms. Your extensive technical knowledge and experience will be essential in ensuring the success of our client applications. We seek an individual with a robust background in object-oriented development who is enthusiastic about client applications 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

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

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

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.

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.

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 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.

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.

Renesas Electronics Corporation seeks a Senior Software Development Engineer based in Los Angeles. This position centers on creating software that enables new electronic devices used in automotive, industrial, and consumer applications. Key responsibilities Design and build software solutions for next-generation electronics Collaborate with multidisciplinary engineering teams Apply technical expertise to projects that influence products across several industries This role offers the chance to work on technology that reaches a broad range of markets and end users.

Join our dynamic team at Apex Technology Inc. as a Senior Flight Software Engineer, where you will play a pivotal role in developing and optimizing cutting-edge flight software systems. Your expertise will contribute to innovative aerospace solutions that enhance performance and reliability in flight operations.

ABOUT USJoin Xsolla, a leading global commerce company dedicated to empowering game developers with innovative solutions to navigate the complexities of the gaming industry. Whether you're part of an indie team or a AAA studio, Xsolla partners with you to enhance funding, distribution, marketing, and monetization strategies for your games. We are passionate about the future of gaming and are committed to creating new opportunities for creators around the world. Based in Los Angeles, California, Xsolla proudly serves as the merchant of record for over 1,500 game developers, helping them connect with more players and expand their businesses. Discover a world of possibilities in gaming with Xsolla.For further insights, please visit xsolla.com.

Role overview Renesas Electronics Corporation seeks a Senior Software Development Engineer based in Los Angeles. This position centers on creating and delivering new software solutions that support the company’s next-generation products. Responsibilities include designing and developing software, as well as implementing features that enhance existing systems. The role requires close collaboration with colleagues from various departments to move technology forward and address complex challenges. Key responsibilities Design and develop new software for advanced product lines Enhance and maintain existing software systems Work cross-functionally with other teams to support technology initiatives Location This role is based in Los Angeles.

Join Reddit's Quality Engineering team as a Senior Software Engineer specializing in Android Test Engineering. In this role, you'll collaborate with cross-functional teams to create and enhance testing frameworks and tools that uphold the highest quality standards across our development processes. Your contributions will play a vital role in ensuring that all engineering teams at Reddit are equipped with the resources they need to deliver exceptional software experiences to our users.

Speechify seeks a Senior Software Engineer to join the Core Experiences team in Los Angeles, CA. This position centers on building and refining features that influence how people use and enjoy Speechify’s products. Key responsibilities Design and develop new product features aimed at improving user experience Work closely with teammates to address technical challenges Contribute to projects that directly affect how users interact with Speechify Location This role is based in Los Angeles, California.

Later stands at the forefront of influencer marketing, empowering brands to launch memorable campaigns with confidence. By leveraging authentic relationships with creators, unparalleled intelligence, and specialized guidance, Later alleviates the uncertainty associated with one of marketing’s most visible expenditures.Our platform, powered by advanced AI and over a decade of exclusive data—including billions of social interactions, impressions, and over $2.4 billion in verified influencer-driven purchases—enables teams to gain insights into effective strategies before they are implemented.By merging reliable insights with expert support, Later enables brands to select the ideal creators, manage comprehensive campaigns, and cultivate significant growth in awareness, engagement, and revenue. Trusted by leading enterprises such as Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance, ensuring that campaigns not only look impressive but also yield substantial results. Discover more at later.com.About the Role:The Senior Software Engineer will spearhead large-scale projects, deliver impactful features, and uphold high engineering standards. You will tackle complex challenges, collaborate with cross-functional teams, and mentor junior engineers while continuously refining our codebases and nurturing a culture of technical excellence. With robust expertise in modern software development and Agile methodologies, you will significantly influence our approach to building, scaling, and innovating—directly impacting product velocity and engineering culture.Your Responsibilities:Strategic LeadershipDefine, plan, and oversee the delivery of large-scale features and roadmap initiatives.Clarify and refine requirements among stakeholders in a dynamic environment.Navigate ambiguous requirements and competing priorities to deliver features that delight users.Contribute to long-term architectural planning and system design.Technical ExecutionLead technical problem-solving for intricate, cross-team challenges and production issues.Continuously improve code quality through code reviews and best practices.Collaborate with product managers and stakeholders to ensure alignment between technical solutions and business goals.

At Genius Sports, we are revolutionizing the sports experience for fans around the globe by leveraging cutting-edge technology and the highest quality live data. Discover more about us here. geniussports.com.The Role - Senior Software Engineer, Data PlatformWe are on the lookout for a Senior Data Platform Engineer to architect and expand our critical systems that form the backbone of our data ecosystem. In this influential position, you will spearhead the architecture and modernization of our data infrastructure, empowering teams across the organization to swiftly, reliably, and securely access and utilize data. You will lead substantial platform initiatives from conception to deployment, balance thoughtful architectural decisions, and collaborate closely with product and cross-functional teams to define engineering strategies.This role is perfect for someone with extensive experience in distributed systems, modern data lakehouse and streaming architectures, and large-scale data operations, who is also committed to mentorship, technical excellence, and creating systems with significant business impact.

CHAOS Industries is at the forefront of modern defense technology, creating advanced systems tailored to meet the challenges of today's world. Our innovative products, developed by leading U.S. military veterans and cutting-edge Silicon Valley experts, leverage Coherent Distributed Networks (CDN™) to enhance the capabilities of warfighters, commercial aviators, and border security teams. In a landscape where technological threats evolve rapidly, CHAOS Industries provides sophisticated sensing and detection solutions that offer a critical advantage: time.Founded in 2022, CHAOS Industries has successfully raised $1 billion in funding from prominent investors such as 8VC, Accel, and NEA. Our headquarters are located in Los Angeles, with additional offices in Washington, D.C., San Francisco, and London. To learn more, visit www.chaosinc.com.Role Overview:We are looking for a talented and driven Senior Guidance Software Engineer to join our Research and Development team. In this role, you will take charge of designing our guidance software for a revolutionary airframe design from the ground up. Additionally, you will have the opportunity to broaden your expertise across our diverse product lines.