Staff Software Engineer Frontend jobs in San Francisco – Browse 5,783 openings on RoboApply Jobs

Staff Software Engineer Frontend jobs in San Francisco

Open roles matching “Staff Software Engineer Frontend” with location signals for San Francisco. 5,783 active listings on RoboApply Jobs.

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Full-time|On-site|San Francisco

About Ivo Inc. Ivo Inc. builds AI-powered tools for legal teams. The engineering group has launched projects such as: An AI agent that integrates with MS Word to improve document editing (2023) Shifting from traditional embedding models to agentic Retrieval-Augmented Generation (RAG) (2023) Applying large-scale language models for legal fact extraction (2024) Developing a legal assistant for searching extensive contract databases (2024) Clustering legal documents by lineage (2025) Automating deviation analysis to reveal hidden risks in contract databases (2025) Linking contracts and amendments to create composite timelines for clients (2025) Role Overview: Staff Software Engineer - Frontend This role shapes the user interface and overall experience for Ivo's AI-native legal platform. The Staff Frontend Engineer focuses on building fast, collaborative, and intuitive web applications that connect directly with LLM-powered agents. What You Will Do Develop a real-time, collaborative interface enhanced by AI features Write performant and maintainable frontend code Build components that interact with large language model agents Work closely with designers and legal professionals to improve the product for legal teams Our Mission Most businesses depend on in-house legal teams, where lawyers often face overwhelming workloads and tight deadlines. Historically, few tools have existed to help them. Ivo’s platform uses large language models to automate repetitive legal work, aiming to restore work-life balance for legal professionals. The company maintains an 85% trial win rate, even in a competitive market. The team is committed to making a real difference in the legal field. Location San Francisco

Apr 14, 2026
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companyHarvey logo
Full-Time|On-site|San Francisco

Why Join Harvey?At Harvey, we are revolutionizing the landscape of legal and professional services — not just incrementally, but through a comprehensive transformation. By harnessing cutting-edge agentic AI, a robust enterprise platform, and profound industry expertise, we are redefining how critical knowledge work is performed for generations to come.This is an exceptional opportunity to contribute to the creation of a transformative company at a pivotal moment. With over 1,000 customers across 58 countries, a solid product-market fit, and outstanding investor backing, we are rapidly scaling and pioneering a new category in real-time. The challenges are ambitious, the standards are high, and the potential for personal, professional, and financial growth is unparalleled.Our team consists of talented, driven, and passionate individuals dedicated to our mission. We work swiftly, with intensity, and take genuine ownership of the issues we face — from initial concepts to enduring outcomes. We maintain close connections with our customers — from leadership to engineers — collaborating to address real challenges with urgency and care. If you flourish in uncertainty, strive for excellence, and wish to shape the future of work alongside a team that elevates the standard, we encourage you to join us in building something great.At Harvey, we are crafting the future of professional services today — and we are just getting started.Role OverviewAs a Staff Software Engineer specializing in Frontend Development at Harvey, you will take the lead on engineering initiatives that shape the user experience across our diverse product suite: Assistant, Vault, Workflows, and our integrations with Microsoft Word and Outlook. You will also spearhead frontend engineering for innovative products currently in development at Harvey. Our team is composed of highly skilled, motivated, and empathetic engineers. We ensure that everything we create meets high standards — from design and architecture to code and communication. If this aligns with your ethos, this role could be an excellent fit for you.This position is based in San Francisco, CA, with a hybrid work model available, and we offer relocation assistance to new hires.What You'll DoDesign and develop new user interfaces for legal professionals and organizations to collaborate effectively with AI.Lead the development of comprehensive UI features for Assistant, Vault, Workflows, our Word/Outlook add-ins, and upcoming Harvey products — managing everything from project scoping and design reviews to implementation, launch, and continuous improvement.Create polished, high-performance interfaces using React and TypeScript, enhanced with TailwindCSS, ensuring seamless interactions, efficient state management, and robust error handling.Architect reusable components and design patterns to streamline development processes and enhance product quality.

Aug 22, 2025
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companyApiphany logo
Full-time|$150K/yr - $300K/yr|On-site|San Francisco

About ApiphanyApiphany stands at the forefront of foundational AI technology for physical product development. Our mission is to empower innovators in industries such as automotive, aerospace, medtech, and energy to convert vast amounts of unstructured technical data into real-time, actionable insights. Supported by prominent investors from Markforged, Databricks, GM, and Character, we are dedicated to changing the landscape of engineering decision-making, transforming complexity into clarity for the world's leading manufacturers.Our sophisticated models are tailored to address the intricacies of engineering and manufacturing, comprehending principles of physics, design specifications, and program constraints. We are a tight-knit team of elite builders from top universities including Stanford, Berkeley, MIT, UW, and CMU, alongside industry leaders from GM, Ford, and Genesis Therapeutics. Our passion lies in revolutionizing hard-tech and collaboratively establishing a category-defining enterprise.About the RoleAs a Senior / Staff Frontend Engineer at Apiphany, you will play a crucial role in designing, building, and enhancing our state-of-the-art web application. You will be tasked with implementing high-quality UI components, developing the next generation of data visualization, ensuring optimal performance, and upholding best practices in frontend development.Your contributions will also include shaping the long-term frontend strategy, mentoring team members, and establishing engineering practices that will support the company's growth. You will work closely with design, backend, and machine learning engineers to transform massive data streams into intuitive and actionable insights for users, ensuring a seamless experience.

Oct 23, 2025
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companyIvo logo
Full-time|On-site|San Francisco, California

Join the Engineering Crew at IvoAt Ivo, our engineers are the architects of innovation. As pioneers in the legal tech sphere, we have introduced:• An AI agent that seamlessly integrates with MS Word for effortless editing [2023]• Revolutionary embedding models that enhance agentic retrieval-augmented generation [2023]• Cutting-edge large-scale legal fact extraction tools powered by LLMs [2024]• An intuitive legal assistant for precise contract database searches [2024]• Innovative clustering techniques for legal documents [2025]• Advanced deviation analysis to uncover hidden risks in contracts [2025]• Merging contracts with amendments for seamless time series tracking [2025]Your RoleAs a Senior/Staff Frontend Software Engineer, you will create delightful user experiences through your expertise in frontend technologies.Your responsibilities will include:• Designing real-time, collaborative interfaces infused with AI capabilities• Writing high-performance UI code that stands out• Crafting frontend components that work harmoniously with LLM-powered agents• Collaborating with a diverse team, including designers and lawyers, to transform legal workflows in the age of AIOur MissionEvery major business has a legal team, and these lawyers are often overwhelmed by 80-hour work weeks and tight deadlines. Until recently, technology has offered little relief.At Ivo, we harness the potential of LLMs to restore balance to the lives of these legal professionals. Our goal is to develop an AI-native platform that alleviates legal burdens. Users love our software – with an impressive 85% trial win rate, we are making a tangible difference in the industry, and we are just beginning.

Mar 5, 2026
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companySigma Computing logo
Full-time|$200K/yr - $270K/yr|On-site|San Francisco, CA

Role Overview Sigma Computing builds a high-performance platform focused on modern data architecture. The engineering team is growing and looking for a Staff Software Engineer - Frontend in San Francisco, CA. This role centers on developing features that make data accessible and usable for a wide range of users. What You Will Do Design and build responsive user interfaces using current front-end technologies. Take ownership of major product components from early concept through launch. Work closely with product managers, UX designers, and backend engineers to introduce new features and technologies that improve the product and simplify the experience for users without technical backgrounds. Apply expertise in front-end development to create visualizations for structured and unstructured data. Develop methods to boost application performance and interactivity. Work with modern frontend frameworks, including React, GraphQL, TypeScript, and Node.js.

Apr 25, 2026
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company
Full-time|On-site|San Francisco Office

About UsAt 3Y Health, we are revolutionizing the healthcare landscape with our innovative AI-driven software designed to empower healthcare providers. Our mission is to streamline the staggering administrative complexities that consume 40% of the industry's revenue. Our comprehensive platform opens doors for clinician entrepreneurs, providing the tools they need to establish, manage, and expand their private practices. By integrating cutting-edge AI and automation, we help practitioners reclaim their valuable time, cultivate successful businesses, and enhance the quality of care in their communities. With over $200M in funding from prestigious investors such as Founders Fund, General Catalyst, Softbank, and 8VC, we are poised for significant growth.About the RoleWe are on the lookout for a talented Frontend Engineer to join our dynamic team, focused on crafting intuitive and high-performance user interfaces that resonate with our providers. The ideal candidate is a product-oriented engineer with extensive expertise in modern frontend technologies (React, TypeScript) and a keen eye for design and user interaction. You value clean, modular code and thrive in collaborative environments with design and product teams to bring sophisticated user experiences to fruition. Candidates with light full-stack capabilities who can tackle backend adjustments to facilitate team progress will be given special consideration. We are particularly interested in individuals who have experience as a founding engineer or entrepreneur, and who possess a strong inclination towards ownership, agility, and continuous improvement.As a Frontend Engineer, you will play a crucial role in shaping frontend architecture decisions and collaborating across engineering, design, and product teams. Your responsibilities will include delivering scalable, modular UI components, collaborating on product development, and enhancing the user experience of our AI-first platform.ResponsibilitiesDevelop and maintain reusable, performant, and accessible frontend components utilizing React and TypeScript.Work closely with designers to create stunning, user-centered experiences.Ensure high UX standards and continually seek improvements in usability.Collaborate with backend engineers to define API interfaces and implement backend logic when necessary.Guide frontend architectural decisions and advocate for best practices in code modularity and maintainability.Engage in code reviews, technical discussions, and team rituals.Adopt a founder’s mindset—proactive, product-focused, and ready to take ownership.

Aug 19, 2025
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companyWeave logo
Full-time|$200K/yr - $250K/yr|On-site|San Francisco Bay Area, CA

Why Weave ExistsAt Weave, we are revolutionizing the way therapeutic knowledge is captured, transformed, and communicated throughout the drug development process. Our mission is to empower human experts with cutting-edge AI tools, ensuring drugs reach patients swiftly, safely, and cost-effectively.The Weave Platform optimizes regulatory workflows from inception to completion, seamlessly integrating AI into every phase. Collaborating with our clients, Weave is crafting the ultimate AI toolkit for the entire therapeutic lifecycle.Your Role & MissionWe are in search of a Lead Staff Frontend Engineer to spearhead the technical direction of our frontend platform. This high-impact role involves defining the architecture, establishing engineering standards, and constructing the foundational systems upon which the engineering team will build. You will balance hands-on technical work, cross-team collaboration, and elevating our software development practices.In this role, you will identify key technical challenges, foster alignment on solutions, and ensure our architectural decisions support scalable growth. We prioritize creating simple, well-tested, and reliable systems over pursuing the latest frameworks.What You'll OwnTechnical Leadership & ArchitectureDefine and refine the frontend architecture for our platform, weighing immediate velocity against long-term maintainability.Establish engineering standards, design patterns, and best practices throughout the frontend codebase.Drive the technical strategy and roadmap for frontend infrastructure, architecture, developer tooling, and experience.Be the go-to technical decision-maker for high-stakes, ambiguous problems, documenting your rationale.Foundational SystemsDesign and build the core systems that product engineers rely on: component libraries, shared abstractions, performance infrastructure, and testing frameworks.Oversee the architecture of our document editor experience, including real-time collaboration, conflict resolution, and extensibility.Enhance frontend build, deployment, and observability tools to maintain team speed and confidence.Cross-Team ImpactCollaborate with Product, Design, and backend engineering to formulate technical solutions for complex product challenges.Mentor and guide junior engineers, fostering a culture of knowledge-sharing and continuous improvement.

Apr 2, 2026
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companySim logo
Full-time|On-site|San Francisco

About SimSim is at the forefront of creating the premier platform for AI agents, empowering developers and enterprises to visually design, deploy, and oversee high-performing agents that streamline workflows globally. Our vision is clear: AI agents will revolutionize how the world operates, and Sim is the key to making that a reality. With backing from renowned investors such as Standard Capital, Paul Graham, Perplexity, SV Angel, and Y Combinator, we have embraced open-source principles from our inception.Based in San Francisco, we are a dynamic, agile team that collaborates in person daily. With over 70,000 developers leveraging Sim, your contributions reach real users quickly and significantly. We value ownership, excellence, and the ambition of our builders as they shape the future from the ground up.Role OverviewAs a Frontend Software Engineer at Sim, you will be pivotal in developing our agent-building canvas and frontend platform. You will design intuitive user experiences, create robust and high-performance UI components, and help shape how thousands of developers utilize Sim. Collaborating with engineering, product, and design teams, you will take features from concept to production, directly influencing our product’s design, performance, and developer experience.Your ResponsibilitiesDesign and develop essential frontend systems focusing on visual, interactive experiences that enable users to create and manage AI agents.Lead the rollout of new features, UI components, and real-time interactions within a Next.js monorepo.Ensure the frontend experience is efficient, refined, and enjoyable at scale.Establish standards for front-end code, UI architecture, and design systems.Work closely with engineering, design, and product teams to create seamless developer workflows.Enhance our custom component library and expand our existing design system.Rapidly prototype and iterate, delivering impactful improvements daily.What We SeekExtensive experience with React and TypeScript.Strong understanding of UI/UX design principles and developer experience.Demonstrated capability to build sophisticated, interactive frontend applications (e.g., canvas editors, visual builders, collaborative tools).Knowledge of frontend performance, animations, and real-time systems (e.g., WebSockets, CRDTs).A proactive approach to problem-solving and a passion for technology.

Mar 6, 2026
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company
Full-time|On-site|San Francisco

About Resolve AIAt Resolve AI, we revolutionize software maintenance and production troubleshooting by developing an autonomous AI Production Engineer capable of diagnosing and resolving intricate system issues from start to finish.Our visionary founders, Spiros Xanthos and Mayank Agarwal, were instrumental in creating OpenTelemetry and have successfully led Splunk Observability, achieving two lucrative exits to Splunk and VMware.We are proud to have secured over $150 million in funding from elite investors such as Lightspeed, Greylock, and Unusual Ventures, alongside notable individual supporters including Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford).What You Will Be DoingOwn Frontend Design and ImplementationTake charge of delivering an exceptional user experience across Resolve AI's product suite by developing engaging, intuitive, and high-performance interfaces utilizing TypeScript, React, and cutting-edge frontend technologies.Shape Product VisionTransform complex AI capabilities and systems into user-friendly features that empower engineers to seamlessly interact with our AI agent, simplifying powerful workflows.Maintain High Standards of PerformanceCraft scalable frontend architectures that are not only maintainable but also responsive and performant, especially for data-rich visualizations and real-time applications.Collaborate with Users in MindEngage closely with backend engineers, designers, and product managers to drive product discussions and advocate for user-centric solutions that address genuine pain points.Rapid and Responsible IterationQuickly prototype new features and integrate user feedback through tight development cycles, ensuring UI quality through comprehensive testing, accessibility standards, and component reuse.Your Qualifications5+ years of software development experienceExpertise in TypeScript and React, with a strong understanding of modern frontend frameworks and tooling.Proven track record of designing and implementing scalable frontend systems.

May 2, 2025
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companyMidstream logo
Full-time|Remote|San Francisco

Join our dynamic team at Midstream as a Frontend Software Engineer. In this role, you will leverage your technical expertise to design and implement innovative web applications that enhance user experience. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

Mar 18, 2026
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companybuildwithfern logo
Full-time|On-site|New York City or San Francisco

About FernAt Fern, we empower software companies to deliver exceptional API experiences. Our clientele includes renowned firms like Nvidia, Square, and Twilio, alongside innovative AI startups such as ElevenLabs and OpenRouter.As we look to the future, the majority of API integrations will be handled by AI agents. These agents require clearly defined schemas, structured endpoints, deterministic contracts, and concise documentation that can seamlessly integrate into their workflows.Our team, comprised of top-tier talent from Google, Palantir, Amazon, and Uber, thrives in a dynamic environment in Williamsburg, Brooklyn. With our recent acquisition by Postman, we now have access to 40 million users and 98% of the Fortune 500, while retaining our agile startup ethos.About the RoleAs a Frontend Software Engineer at Fern, you will create the interfaces that shape how developers and agents interact with APIs.Craft Exceptional Developer Interfaces: Develop sleek, responsive web experiences utilizing TypeScript and Next.js. Design documentation, dashboards, and tools that simplify complex API interactions.Focus on Performance and Quality: Deliver frontend solutions that are fast, dependable, and visually stunning. You will take ownership of architectural choices and the finer details that elevate our products. Discover how we leverage Vercel and Next.js for efficient multi-tenancy and expedited development cycles.Engage with Customers: Collaborate directly with API teams from industry giants like Nvidia, Twilio, and Square. You will troubleshoot real-world production challenges, refine APIs based on user insights, and implement enhancements swiftly.

May 23, 2025
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company
Full-time|On-site|San Francisco

The Role:Join us as a dynamic Frontend Tech Lead at f2-ai, where you'll take the helm in crafting our cutting-edge, AI-driven enterprise UI platform. This is a unique opportunity for an innovative engineer who enjoys building robust systems from the ground up and is eager to influence our technical direction while writing production-level code.Key Responsibilities:UI System Development: Design and implement foundational frontend features, actively coding and delivering essential React/TypeScript components.Frontend Architecture Leadership: Shape the technical vision and roadmap for our React-based UI platform, ensuring swift iterations and effective scaling of user experiences.Performance, Security, and Accessibility: Create high-performance, responsive interfaces that comply with SOC 2 and accessibility standards, emphasizing maintainability and cost-effectiveness.AI Integration: Collaborate with the team to incorporate intelligent features, data visualizations, and interactive tools that reveal AI-driven insights.Engineering Excellence: Establish and maintain coding standards, component libraries, and review processes; mentor fellow engineers to cultivate a culture of reliable, test-driven development.Collaborative Partnerships: Work closely with product, design, backend teams, and enterprise clients to translate requirements into elegant UI solutions.Qualifications:Proven Technical Leadership: 7+ years of experience in building and scaling mission-critical frontend systems using TypeScript and React, with a demonstrated capability to architect solutions from scratch.API Design Proficiency: Extensive experience in designing and utilizing RESTful and GraphQL APIs, including state management and effective data-fetching techniques.Results-Oriented Mindset: You excel in environments where you take ownership of features from start to finish, iterate quickly, and deliver production-ready UI solutions.Familiarity with Styling Solutions: Experience with CSS-in-JS methodologies (e.g., Styled Components, Emotion) or utility-first frameworks like Tailwind.

Sep 15, 2025
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company
Full-time|On-site|San Francisco

About Ivo Inc. Engineering Ivo Inc. builds AI-powered tools that reshape how legal teams work. The engineering group drives projects such as: An AI agent for MS Word that assists with document editing (2023) Agentic Retrieval-Augmented Generation (RAG) using imprecise embeddings models (2023) Large-scale legal fact extraction with LLMs (2024) An AI legal assistant for navigating complex contract databases (2024) Clustering legal documents by lineage (2025) Deviation analysis to uncover risks in contract repositories (2025) Tools for merging contracts and amendments into composite documents (2025) Role Overview: Frontend Software Engineer The Frontend Software Engineer will help shape user experiences for Ivo’s AI-driven legal platform. This role focuses on building intuitive interfaces and collaborating across disciplines to rethink legal workflows. Key Responsibilities Develop real-time, collaborative interfaces using AI capabilities Write efficient, high-performance UI code Create frontend components that integrate with LLM-based agents Work closely with designers, legal specialists, and engineers to improve legal processes Our Mission Many corporate legal teams face long hours and heavy workloads. Ivo’s mission is to ease that burden by automating tedious legal tasks with LLMs. Our AI-native platform has earned strong feedback, including an 85% trial win rate, and is making a difference for attorneys. The journey is just beginning. What Sets Ivo Apart Ivo’s engineers focus on practical solutions and thoughtful product development. Those who care deeply about software quality and want to see their work have real impact will find a strong sense of purpose here. Location San Francisco

Apr 14, 2026
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companyFlow Engineering logo
Full-time|On-site|San Francisco

About Flow EngineeringFlow Engineering is an innovative AI-driven requirements platform that simplifies complex engineering tasks, enhancing clarity, collaboration, and verifiability. We are transforming the landscape of hardware development by integrating elite engineering talent with AI agents, enabling rapid design, iteration, and deployment.Role OverviewWe are seeking a talented Staff Frontend Software Engineer to take charge of key user experiences within Flow. You will lead the creation of AI-enhanced workflows, ensuring they are seamlessly integrated into a user-friendly interface. Collaborating with design, product, infrastructure, and AI engineering teams, you will simplify complex systems engineering concepts to enhance usability.Key ResponsibilitiesTake ownership of significant user-facing components in Flow v3, including interactive requirements views, collaboration features, and AI-assisted workflows.Develop high-quality, accessible user interfaces using modern frontend frameworks and a component-based approach.Incorporate AI features into the platform in intuitive and beneficial ways for engineers.Collaborate with design and product teams to quickly iterate on interaction patterns, prototypes, and new workflows.Contribute to shaping frontend architecture, design systems, and performance enhancements as the application and user base grow.About YouOver 8 years of experience developing dynamic, data-intensive web applications with modern frontend frameworks.Proficient in React (or similar) and TypeScript, including component architecture, state management, and testing methodologies.A user-centric mindset: you consider user journeys, edge cases, and clarity over mere screen design.Able to work closely with design and product teams, providing and receiving constructive feedback throughout development cycles.Willing to occasionally engage with backend processes (e.g., API refinement, integration) to ensure comprehensive feature delivery.Our Technology StackReact and TypeScript as our core frontend technologies.Utilization of utility-first CSS frameworks like Tailwind for styling.

Mar 11, 2026
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companySierra logo
Full-time|On-site|San Francisco, CA

About UsAt Sierra, we are revolutionizing how businesses engage with their customers by leveraging the power of AI to create more personalized and meaningful experiences. Though we are primarily an in-person company based in the heart of San Francisco, our presence is expanding globally with offices in Atlanta, New York, London, France, Singapore, and Japan.Our core values—Trust, Customer Obsession, Craftsmanship, Intensity, and Family—shape our culture and guide our decisions. These principles are integral to our mission and the way we operate as a team.Our visionary co-founders, Bret Taylor and Clay Bavor, bring extensive experience from their previous roles at OpenAI, Salesforce, Facebook, and Google, where they have driven groundbreaking innovations in technology.Your Role:Lead Frontend Development Across Key Platforms: You will take ownership of the frontend experience across our core product and marketing channels, ensuring an integrated and polished user experience. This includes developing features for our web application and collaborating on our website to maintain consistency in branding and high-quality user engagement.Drive Design System and UI Component Initiatives: You will architect, build, and sustain a scalable design system and a library of reusable components that empower our engineering and design teams. Your work will foster consistency and excellence across our products, collaborating closely with designers to establish guidelines for rapid development of visually stunning and cohesive user interfaces.Create Exceptional User Experiences: Collaborate with our design team to transform Figma designs into flawless user interfaces with meticulous attention to detail. You will refine UI patterns, ensuring every aspect from typography to animations is thoughtfully executed, resulting in an elegant and intuitive interface that resonates with users.

Jun 4, 2025
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companyHive logo
Full-time|On-site|San Francisco

Join Hive as a Frontend Software Engineer and play a pivotal role in developing cutting-edge user interfaces for our innovative data and enterprise products. Collaborate closely with designers, product owners, and fellow engineers to build engaging web applications using advanced technologies like React, Redux, Webpack, and ES6. Work in a dynamic, fast-paced environment where your technical acumen and design insights will directly influence product features. Enjoy autonomy as you iterate quickly and contribute to the future of AI-driven solutions.

Jan 15, 2021
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companyHive logo
Full-time|On-site|San Francisco

Join Hive as a Senior Frontend Software Engineer!At Hive, we are at the forefront of cloud-based AI solutions, dedicated to revolutionizing the way organizations understand, search, and generate content. Trusted by some of the world's most innovative companies, we empower developers with a suite of top-tier, pre-trained AI models, handling billions of customer API requests each month. Our robust software applications, fueled by proprietary AI models and datasets, are paving the way for groundbreaking use cases in content moderation, brand protection, sponsorship measurement, and context-based advertising.With over $120M raised from esteemed investors such as General Catalyst, 8VC, Glynn Capital, Bain & Company, and Visa Ventures, Hive is proud to employ a diverse team of over 250 talented individuals across our offices in San Francisco, Seattle, and Delhi. If you're ready to shape the future of AI, we want to hear from you!About the RoleAs a Senior Frontend Software Engineer, you will play a pivotal role in developing our Hive Data and Hive Enterprise products. Collaborating closely with designers, product owners, and fellow engineers, you will create innovative user interfaces that define our platforms. Utilizing the latest web technologies, including React, Redux, Webpack, and ES6, you will deliver exceptional user experiences. Given our small, agile team, you will have the opportunity to iterate rapidly and make impactful software design decisions regarding product features. We seek candidates with a strong technical foundation who are passionate about frontend technologies and thrive in a dynamic, fast-paced environment.

Nov 23, 2021
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companySide Inc. logo
Full-time|On-site|San Francisco, California

Side Inc. builds technology that helps real estate professionals launch and manage their own boutique firms. The company’s platform takes care of legal, regulatory, and operational details, so agents can focus on selling homes and growing their businesses. As a Brokerage-as-a-Service provider, Side streamlines daily operations for real estate entrepreneurs. The platform is designed to improve efficiency, support client relationships, and make it easier for agents to run independent brokerages. Side is headquartered in San Francisco and has secured over $300 million in funding from major venture capital firms. The team includes experienced real estate professionals and engineers who work together to support agents as they build their businesses. Side is known for its rapid growth and ongoing innovation in the real estate sector.

Apr 27, 2026
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companyLassie logo
Full-time|On-site|San Francisco, CA

At Lassie, we are revolutionizing the healthcare industry with our AI-driven solutions designed for medical practices.With over a million health practices spending more than $100 billion annually on administrative staff, the demand for efficient solutions has never been greater. The ongoing effects of COVID-19 have left many offices understaffed, leading to frustrated patients dealing with unanswered calls and confusing bills.We envision a future where AI seamlessly manages the operations of medical offices, handling administrative tasks and serving as the interface for patient interactions.Founded by Steijn Pelle, who propelled Robinhood and Coinbase to substantial revenue milestones, and Frédéric Renken, a former engineer and product pioneer at Superhuman, we are infusing consumer product expertise into healthcare and transforming the way doctors and patients engage.About the RoleWe are seeking a design-oriented Senior Frontend Software Engineer to develop a robust control plane for our powerful AI agents that manage billing and medical records. Your work will impact real patients and practices, as you create interfaces that inspire trust and ease of use.Emphasizing a consumer-friendly approach to healthcare software, we prioritize elegance and meticulous attention to detail. Your contributions will encompass various aspects including onboarding, human-in-the-loop review, and tools that empower practice owners to gain insights into their operations.You Are a Great Fit If You…Pursue excellence and are willing to refine your work until it achieves greatnessTake pride in crafting software that is fast and intuitiveSeek to maximize your impact through automation and effective processesPossess strong foundations in JavaScript and browser APIsShare our belief that healthcare software should be as delightful as consumer applicationsSome of Our Notable AchievementsDeveloped a synchronization engine utilizing encrypted SQLite in the browser, facilitating 100ms response times for healthcare payments and patient ledgersImplemented systems that significantly reduce the paperwork burden by thousands of hours each month

Dec 12, 2025
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companyJulius logo
Full-time|On-site|San Francisco, CA

Compensation: Competitive base salary with significant equity options.Benefits: Comprehensive health and dental insurance, gym reimbursement, and daily team lunches.At Julius, we are pioneering an applied AI lab focused on developing coding agents. Our mission is to empower one billion individuals to become software creators, starting with innovative data science and analysis applications.Currently, our team has successfully executed 1 million lines of code every 36 hours, catering to over 1 million users while generating more than 3 million data visualizations.Our compact technical team comprises professionals with backgrounds from top companies such as Uber, Microsoft, and Facebook. We are generating revenue and are proudly supported by prominent investors, including AI Grant and founders from Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, Dropbox, as well as researchers from OpenAI and Google DeepMind.Creating intuitive and high-performance user interfaces is essential for ensuring that Julius remains user-friendly for our vast audience. Our interface encompasses various components such as tool utilization, multi-step reasoning, code generation, execution, file management, and more. In this role, you will have the opportunity to define and build experiences across these elements as we expand toward our future objectives.

Jun 5, 2025

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