Frontend Engineer At Lightning Ai San Francisco jobs in San Francisco – Browse 12,035 openings on RoboApply Jobs

Frontend Engineer At Lightning Ai San Francisco jobs in San Francisco

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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

Who We AreAt Lightning AI, we are the pioneers behind PyTorch Lightning, established in 2019. We create a comprehensive platform that facilitates the development, training, and deployment of AI systems, streamlining the journey from research to production.Following our merger with Voltage Park, an innovative neocloud and AI Factory, we combine cutting-edge software with scalable and cost-efficient computing resources. Our platform equips teams with the essential tools for experimentation, training, and production inference, all while prioritizing security, observability, and control.We cater to a diverse clientele that includes individual researchers, startups, and sizable enterprises. With a global presence, our offices are located in New York City, San Francisco, Seattle, and London, supported by renowned investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We embrace speed and precision, breaking down complex challenges into manageable steps.Focus: We achieve our goals one at a time, collaborating effectively to deliver high-quality features.Balance: We believe sustained performance comes from proper rest and recovery, promoting a healthy work-life balance.Craftsmanship: We take pride in our work and strive for excellence in every detail.Minimal: We prioritize simplicity in our innovations, focusing on what truly matters.What We’re Looking ForWe are seeking a talented Frontend Engineer to enhance and scale the user interface and frontend infrastructure of the Lightning AI platform. This individual will take ownership of key features, driving development from inception to deployment while collaborating with a highly skilled team of engineers, product managers, and designers. You will have the opportunity to build from proof of concept to release, with an emphasis on speed, quality, and iterative improvements.With over 10,000 organizations leveraging Lightning, you will play a vital role in shaping how AI is built and deployed globally.This is a hybrid role based in our San Francisco office, requiring in-office attendance for 2 days a week. The salary range for this position is $120,000 to $250,000.

Mar 17, 2026
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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

Who We AreLightning AI, the driving force behind PyTorch Lightning, was established in 2019. We have developed a comprehensive platform that streamlines the process of creating, training, and deploying AI systems, transforming innovative ideas from research to production with greater efficiency.Following our merger with Voltage Park, a leading neocloud and AI Factory, we are proud to combine cutting-edge developer-focused software with cost-effective, large-scale computational resources. Our platform provides teams with essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control.Our clients range from independent researchers to startups and large enterprises. Lightning AI has a global footprint, with offices in New York City, San Francisco, Seattle, and London, and is supported by prominent investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and precision, breaking down complex challenges into manageable steps.Focus: We tackle one goal at a time, working collaboratively to deliver features with accuracy.Balance: We believe sustained performance is rooted in rest and recovery, promoting a healthy work-life balance to optimize your performance.Craftsmanship: We value excellence and attention to detail, taking pride in honing our skills.Minimal: We embrace simplicity as a driver of innovation, eliminating unnecessary complexity through disciplined focus on what truly matters.What We're Looking ForWe are seeking a talented Backend Engineer to contribute to the development and scaling of the Lightning AI platform, encompassing frontend, CLI, API, billing, security, and integrations.The ideal candidate will take ownership of significant features and lead development efforts from conception to launch while collaborating with a highly skilled team of engineers, product managers, and designers. You will have the opportunity to advance groundbreaking technology that will reshape the machine-learning ecosystem!You will join the Blue Squad and report to our Director of Engineering. This is a hybrid position based in our Bay Area office, requiring in-office attendance two days per week.

Mar 17, 2026
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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|San Francisco, California, United States

About UsLightning AI is the driving force behind PyTorch Lightning, established in 2019. We are dedicated to creating an all-inclusive platform for developing, training, and deploying AI systems, aimed at facilitating the transition from research to production seamlessly.Our merger with Voltage Park, an innovative neocloud and AI Factory, allows Lightning AI to deliver developer-centric software alongside cost-effective, large-scale computational resources. We provide teams with the essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control are inherently integrated.We cater to individual researchers, startups, and large enterprises alike. With a global footprint, Lightning AI has offices in New York City, San Francisco, Seattle, and London, and is proudly supported by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our Core ValuesAct Swiftly: We prioritize speed and clarity, breaking down complex challenges into manageable steps.Concentration: We focus on one objective at a time, working collaboratively as a team to deliver features with precision.Equilibrium: We believe that sustained performance is achieved through rest and recovery, promoting a healthy work-life balance.Excellence: We innovate through mastery. Every detail matters, and we take pride in our craftsmanship.Simplicity: We drive our innovation through simplicity, eliminating unnecessary complexities and concentrating on what is truly essential.Position OverviewWe are seeking a Fullstack Engineer to enhance and scale the Lightning AI platform, covering everything from the frontend and CLI, to API, billing, security, and integrations.The ideal candidate will take ownership of key features and oversee development from conception to completion while collaborating with a highly skilled team of engineers, product managers, and designers. Here, you will transition from proof of concept to deployment, emphasizing speed, quality, and iterative improvement.This is your chance to create revolutionary technology that will reshape the machine learning landscape! This hybrid role is based in our San Francisco office, requiring in-office attendance 2 days per week. The salary range for this position is $120,000 to $250,000.

Mar 17, 2026
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companyLightning AI logo
Full-time|$180K/yr - $220K/yr|Hybrid|San Francisco, California, United States

Who We AreLightning AI is the innovative force behind PyTorch Lightning, established in 2019. We provide a comprehensive platform designed to simplify the development, training, and deployment of AI systems, facilitating a smoother transition from research to production.Our recent merger with Voltage Park, a leader in neocloud and AI technology, allows us to offer cutting-edge software combined with efficient large-scale computing solutions. We empower teams with the necessary tools for experimentation, training, and production inference, all while ensuring robust security, observability, and control.Serving researchers, startups, and large enterprises alike, Lightning AI is a global entity with offices in New York City, San Francisco, Seattle, and London. We are proudly backed by prominent investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.What We're Looking ForAs we grow, we seek a sharp, proactive, and business-savvy lawyer to join our dynamic legal team. You will play a pivotal role in managing our commercial contracting processes, collaborating across Finance, Engineering, Sales, and Security to ensure our legal strategies keep pace with our rapid innovation.This position is perfect for a high-achieving lawyer with a solid understanding of transactional principles who is eager to advance their career. While your primary responsibility will be overseeing the commercial contract lifecycle, you will also engage with broader legal challenges that arise within a fast-growing AI company.As a member of the Legal Team, you will report to our VP of Legal. This position offers a hybrid work environment, allowing for flexibility while fostering collaboration.

Feb 18, 2026
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company
Full-time|On-site|San Francisco Bay Area

Join Our Innovative Team at Retell AIRetell AI is at the forefront of revolutionizing the call center industry through advanced voice AI technology. In just 18 months since our inception, we have empowered thousands of businesses to optimize their sales, support, and logistics calls, which previously relied on large teams of human agents. Supported by prominent investors including Y Combinator and Alt Capital, we've achieved remarkable growth, scaling from $5 million to $36 million in annual recurring revenue (ARR) while expanding our talented team to 20 members.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform, transforming entire contact centers with AI. Unlike traditional automation that requires ongoing human oversight, we are building intelligent AI "workers" capable of functioning as frontline agents, quality assurance analysts, and managers, constantly enhancing customer interactions.If you are a passionate innovator eager to solve complex technical challenges and make a tangible impact at one of the fastest-growing voice AI startups, we invite you to join us in shaping the future.Ranked among the top 50 AI applications by a16z: a16z List4th on Brex's Fast-Growing Software Vendors of 2025: Brex BenchmarkFeatured as a leading startup on: Leanaileaderboard

Nov 17, 2025
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companyAirwallex logo
Full-time|On-site|US - San Francisco

Join Airwallex as a Senior Frontend Engineer, AIAt Airwallex, we redefine the landscape of global financial services. As the premier unified payments and financial platform for businesses around the globe, we harness our proprietary technology to empower over 200,000 organizations, including notable names like Brex, Rippling, Navan, Qantas, and SHEIN. Our fully integrated solutions support everything from business accounts and payments to spend management and embedded finance on a worldwide scale.Originating from Melbourne, our diverse team of over 2,000 talented professionals across 26 global offices is dedicated to innovating within the tech landscape. With a valuation of US$8 billion and investment backing from industry leaders such as T. Rowe Price, Visa, Mastercard, and Sequoia, we are at the forefront of establishing the future of global finance. If you are eager to tackle ambitious challenges and make a real impact, we invite you to join our team.What We Look ForWe seek builders with an entrepreneurial spirit who thrive on impactful work, rapid learning, and true ownership. You bring deep expertise and critical thinking skills, driven by our mission and operating principles. You are agile yet judicious, curious yet focused, and you approach decisions with analytical rigor while maintaining pace.You embody humility and collaboration, transforming innovative ideas into tangible products, and you’re committed to executing projects efficiently. Leveraging AI, you will enhance productivity and expedite solutions to complex problems. Here, you will confront significant, high-visibility challenges alongside exceptional colleagues, advancing your career as we revolutionize global banking.About Our TeamOur team is dedicated to developing AI solutions that alleviate financial burdens for startups worldwide. We are pioneering intelligent automation across payments, payroll, bookkeeping, and tax, allowing founders to concentrate on growth rather than finance management.Utilizing state-of-the-art AI tools, from prompt engineering to fine-tuned models, we adopt the best strategies for each challenge by prioritizing genuine founder pain points, ensuring accountability for customer outcomes, and delivering swiftly.Our compact, elite team is focused on building, led by experienced operators with a proven track record of deploying AI products at scale. In this role, you will tackle challenging technical issues with significant autonomy and a direct impact on customer experience.

Sep 4, 2025
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company
Full-time|On-site|San Francisco

About UsAt Amari AI, we're revolutionizing the logistics industry by transitioning global trade from outdated, manual workflows to innovative AI-driven solutions. Our advanced AI agents enhance human capabilities, automating labor-intensive tasks to expedite shipment processing with greater accuracy and efficiency.Having successfully navigated the initial product development phase, we have established a strong product-market fit and are experiencing exceptional growth, with over 100% month-over-month revenue increase. Backed by $5M in funding from First Round Capital and Pear VC, we're expanding our platform to serve a growing customer base with significant operational volume. Our highly skilled team hails from top tech companies like Google, LinkedIn, and Salesforce, as well as leading academic institutions and AI research facilities.The RoleWe are in search of a Senior Frontend Engineer who excels at the convergence of rapid execution and intricate systems design. In this pivotal role, you will spearhead the advancement of our AI-powered platform, transforming complex logistics workflows into seamless, high-performance user experiences.This position is crucial for a technical leader eager to connect sophisticated backend AI data with the human operators who depend on it. Your contributions will extend beyond merely delivering features; you will establish the architectural standards that will enable our team to accelerate its pace of innovation as we grow.What You’ll DoArchitect Scalable Systems: Design and oversee the transformation of our frontend architecture to facilitate real-time, data-intensive dashboards utilizing TypeScript, React, and Tailwind CSS.Design Human-in-the-Loop AI: Create user-friendly interfaces that clarify AI outputs and automated workflows, making them accessible and manageable for operational teams.Drive Velocity & Quality: Take full responsibility for the product lifecycle, from technical exploration and scoping to monitoring in production, ensuring a high shipping frequency without compromising reliability.Technical Leadership: Articulate the technical vision, mentor new team members, and cultivate an exceptional engineering culture.Complex Problem Solving: Address the unique challenges of global trade, ensuring our core services maintain robust uptime while managing unpredictable real-world document inputs.Who We’re Looking ForSenior Expertise: 6–8+ years of professional software engineering experience, demonstrating a successful track record in dynamic, high-growth environments.Technical Proficiency: Expertise in JavaScript frameworks, particularly React, along with experience in TypeScript and CSS frameworks.Problem Solver: Strong analytical skills with a passion for tackling challenging issues and implementing effective solutions.

Feb 18, 2026
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companycollate logo
Full-time|On-site|San Francisco

Join Collate as a Frontend Software EngineerAt Collate, we are revolutionizing the life sciences sector with our innovative AI document generation platform. Our mission is to expedite the delivery of life-saving innovations to patients by automating complex paperwork. As a seamless end-to-end solution, we support every stage of drug, diagnostic, and medical device development, from initial concept to market launch.Led by our visionary CEO, Surbhi Sarna, a former General Partner at Y Combinator, and our CTO, Nate Smith, a former Visiting Partner at Y Combinator, we have assembled a team of elite professionals with experience from top-tier companies like Google and Amazon. Our small team has garnered over $30M in seed funding from esteemed investors including Redpoint and First Round Capital, positioning us for rapid growth and impact in the healthcare field.As a Frontend Software Engineer, you will play a pivotal role in shaping the user experience at Collate. Your innovative contributions will translate complex AI technology into intuitive and user-friendly tools for doctors, patients, and researchers. Your work will directly influence the product experiences that are critical for improving patient outcomes.You will be working on a predominantly frontend-focused enterprise workflow application, ensuring the interface is clear, reliable, and trustworthy. This is a unique opportunity to design the intersection where transformative technology meets real-world users.Our Cutting-Edge Tech StackWe utilize modern technologies including TypeScript, React, and Tailwind CSS for our frontend development, creating a dynamic environment for innovation and collaboration.

Feb 25, 2025
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companyGiga logo
Full-time|On-site|San Francisco

About GigaGiga has successfully secured $61 million in Series A funding and boasts a diverse client portfolio that includes industry leaders like DoorDash. We are on a mission to revolutionize customer experiences by developing real-time AI agents capable of understanding emotions, resolving issues instantly, and scaling to meet the demands of the world's largest enterprises.This is a pivotal moment in our journey. While we have achieved significant milestones, our ambitions extend further. Our vision is to establish ourselves as the premier AI platform for enterprise automation, driven by our voice superintelligence. To bring this vision to life, we are on the lookout for exceptional engineers.The work we do impacts millions of users daily, and our engineers enjoy a high degree of autonomy, making a tangible impact. This is a unique opportunity to join a company with visionary founders, a proven track record of commercial success, and a clear trajectory towards becoming a generational powerhouse. Here are some highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipIf this mission resonates with you, we invite you to apply!Why Join Us in this Role?Momentum: Become part of a team recognized by both customers and investors.Ownership: Play a vital role in innovative projects that transform industries and shape the company's technical and product direction.Growth: Advance your skills alongside top-tier engineers and visionary founders.More About the RoleWe are searching for an experienced Senior Frontend Engineer with a strong background in creating functional and visually engaging user experiences. You will spearhead the design and development of our frontend applications that users interact with daily, collaborating closely with product managers, designers, and backend engineers.What You’ll DoOwn the Frontend: Quickly contribute to our products and lead the development of design systems.Craft Seamless UX: Develop responsive, accessible, and high-performance interfaces for enterprise users.

Oct 17, 2025
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companyPlaud Inc. logo
Full-time|$120K/yr - $190K/yr|On-site|San Francisco, CA

Join Us as a Frontend Engineer at PlaudPlaud Inc. is on a mission to create the world's most reliable AI work companion, enhancing productivity and performance through innovative note-taking solutions. With over 1,500,000 users globally since our inception in 2023, we strive to amplify human intelligence by developing next-generation interfaces that capture and utilize thoughts and ideas effectively.We are a Delaware-incorporated, San Francisco-based company that merges cutting-edge hardware and software to redefine human-AI collaboration. Our commitment to data security and privacy is reflected in our compliance with ISO 27001, ISO 27701, GDPR, SOC 2, HIPAA, and EN 18031 standards.Explore more about Plaud at www.plaud.ai and connect with us on Instagram, X, Facebook, LinkedIn, and YouTube.

Feb 2, 2026
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company
Full-time|On-site|San Francisco

Join a pioneering team of former Google engineers who have developed ground-breaking defensive technologies, such as Safe Browsing and reCAPTCHA. We are on a mission to confront an urgent challenge: combating the rising tide of adversarial AI attacks that threaten organizations globally.Operating in stealth mode, we are targeting a lucrative $5B+ market that is primed for innovation. Conventional detection methodologies are proving inadequate against the speed and sophistication of AI-driven assaults. Current adversaries are leveraging AI to engineer tailored, high-evasion attacks, leaving traditional systems vulnerable.Your Role:You will design a network of AI agents that are rapid, cost-effective, and precise, collaborating to identify and neutralize emerging threats. Your work will dive deep into real-time threat data, continuously evolving your agents in a fast-paced environment. These agents will function under an orchestration layer that fosters quick adaptation and learning.The Excitement of the ChallengeRapidly Evolving Models: The landscape changes daily; solutions that worked yesterday may be outdated today.Intelligent Adversaries: We are engaged in a real-time arms race against cunning, AI-enhanced attackers crafting sophisticated payloads.No Existing Playbook: We are forging new detection paradigms as swiftly as threats evolve. This high-stakes work places you in the heart of the action from day one.If you thrive on solving challenging problems with rapid feedback, this is your opportunity.Why We Are Positioned to SucceedExpansive Market: The market is vast at $5B and expanding quickly, while established players struggle to adapt.Proven Track Record: Our team has previously developed the foundational technology for Safe Browsing (serving over 5B users) and reCAPTCHA (protecting more than 5M websites) during our time at Google.Experienced Team: This is our third endeavor in creating a category-defining security enterprise, and we know how to scale our technology and our organization effectively.Deeply Integrated AI and Security: We embed AI from the outset rather than layering it on top.Top Talent: We hire only the highest achievers; many on our team were in the top 1% of engineers at Google. If you excelled in your previous role, you will fit right in.Agility: We prioritize speed and efficiency in everything we do.

Sep 10, 2025
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companyLightning AI logo
Full-time|$180K/yr - $220K/yr|Hybrid|San Francisco, California, United States

Who We AreAt Lightning AI, we are the driving force behind PyTorch Lightning. Established in 2019, our mission is to create a comprehensive platform that streamlines the development, training, and deployment of AI systems, transforming innovative ideas into production-ready applications with minimal friction.Following our merger with Voltage Park, a leader in neocloud and AI manufacturing, we empower teams with cutting-edge software and cost-effective, scalable computing resources. Our platform is equipped with built-in security, observability, and control, enabling researchers and organizations to experiment, train, and deploy with confidence.We cater to a diverse clientele, including independent researchers, startups, and large enterprises, operating globally from our offices in New York City, San Francisco, Seattle, and London. Our growth is backed by prominent investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We act swiftly and decisively, breaking down substantial challenges into manageable tasks.Focus: We prioritize one goal at a time, collaborating to deliver precise features.Balance: We believe that sustained performance stems from proper rest and recovery, ensuring a healthy work-life balance.Craftsmanship: Innovation through excellence is our mantra. Every detail is vital, and we take pride in mastering our craft.Minimal: Simplicity fuels our innovation. We strive to reduce complexity and concentrate on what genuinely matters.

Apr 7, 2026
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company
Full-time|On-site|San Francisco

About NomadicMLNomadicML is at the forefront of transforming video data into actionable insights. We harness the power of machine intelligence to unlock the potential of over 5 trillion miles driven annually in America. Our vision-language models (VLMs) are revolutionizing how industries leverage video content, enabling advancements in self-driving technology, robotics, and industrial automation.Founded by Mustafa Bal and Varun Krishnan, who previously collaborated at Harvard University, our team boasts experience from leading firms such as Snowflake, Lyft, Microsoft, Amazon, and IBM Research. With a passion for innovation, we deliver mission-critical AI systems that drive tangible impact.About the RoleWe are seeking a Frontend Engineer who thrives in a fast-paced environment and excels at turning visionary designs into user-friendly, production-ready interfaces. You will collaborate closely with our founding designer and backend/ML teams to innovate and implement new product features, ensuring that our applications are visually appealing, intuitive, and function seamlessly.The ideal candidate will be results-driven, adept with modern AI-powered development tools, and eager to experiment and iterate. If you have a passion for transforming abstract concepts into exquisite, functional software, we want to hear from you.

Jan 25, 2026
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companyLatent logo
Full-time|On-site|San Francisco

Frontend Software EngineerLocation: San Francisco, CAJoin us at Latent as we pioneer the future of AI-driven clinical systems, transcending the outdated Electronic Health Record (EHR) framework. Your innovative designs will empower healthcare providers and patients to intuitively access vital information, thereby enhancing treatment efficiency and overall patient care.Ideal Candidate ProfileWe seek a Frontend Engineer who is passionate about transforming complex backend and AI functionalities into clear and impactful user experiences. You will thrive in our dynamic, collaborative office environment and possess a keen desire to understand the intricate technical and healthcare landscapes that underpin our solutions.High Standards: You maintain exemplary standards for code quality and user experience.Domain Curiosity: You are eager to learn about new technologies and the complex healthcare regulations we navigate (e.g., Prior Authorizations).Bias for Action: You proactively tackle challenges and take initiative to solve problems without waiting for direction.Tool Proficiency: You are highly skilled with your tools, adept at using the command line and keyboard shortcuts.Key ResponsibilitiesAs a Frontend Engineer, you will be responsible for the user interface and frontend architecture of our primary product:UX Architecture: Design a robust and adaptable React ecosystem tailored for complex, mission-critical healthcare applications and user-centric AI tools.Intuitive Design: Create high-level UI/UX solutions that enable providers and operational teams to seamlessly access clinical data and AI-generated insights for workflows such as Prior Authorizations and Appeals.Frontline Impact: Develop interfaces that are essential for Patient Interaction workflows, ensuring clarity and efficiency in design.Collaboration: Collaborate closely with Full Stack and Backend Engineers to define interfaces and APIs that facilitate rapid product development and iteration.

Jan 16, 2026
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companyFlow Engineering logo
Full-time|On-site|San Francisco

About Flow EngineeringAt Flow Engineering, we are revolutionizing the complexities of hardware design with our AI-native requirements platform. Our innovative approach combines elite engineering talent with AI capabilities, enabling teams to design, iterate, and deliver projects more efficiently than ever before.Role OverviewWe are seeking a Senior Frontend Software Engineer who will be pivotal in shaping core user experiences within our platform. You will leverage AI-driven workflows to create a seamless, intuitive user interface that simplifies complex systems engineering concepts. Collaborating closely with design, product, infrastructure, and AI engineering teams, you will ensure that our product remains user-friendly and efficient.Your ResponsibilitiesLead the development of substantial user-facing features in Flow v3, including interactive views for requirements, collaboration processes, and AI-enhanced workflows.Create high-quality, accessible user interfaces utilizing a contemporary frontend framework and component system.Incorporate AI functionalities into the product in ways that are intuitive, interpretable, and beneficial for engineers.Collaborate with design and product teams to rapidly iterate on interaction patterns, prototypes, and new workflows.Contribute to defining frontend architecture, design systems, and performance enhancements as the application and user base grow.About YouYou possess over 5 years of experience in developing rich, data-intensive web applications using modern frontend frameworks.You have robust experience with React (or a similar framework) and TypeScript, including component design, state management, and testing methodologies.You adopt a product-oriented mindset, considering user journeys and edge cases beyond just individual screens.You are comfortable collaborating closely with design and product teams, providing and receiving feedback throughout the iteration process.You are open to occasionally working across the stack (e.g., refining APIs, integrating features) to deliver complete functionalities.Our Technology StackOur primary frontend stack includes React and TypeScript.We utilize Tailwind or a similar utility-first or component-driven styling approach.Integration with backend APIs and AI services is a critical aspect of our platform.

Jan 5, 2026
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companyPerplexity logo
Full-time|On-site|San Francisco

Join Perplexity as a Frontend Engineer specializing in Design Systems, where you will play a pivotal role in transforming the future of online search and interaction. In this innovative position, you will be at the forefront of developing cutting-edge AI products.Tech Stack: Tailwind | React | TypeScript | CSSKey ResponsibilitiesCollaborate with the design systems team to create an outstanding user interaction layer for all features, including both reusable components and foundational elements of generative UI.Enhance and refine the components that constitute the core of Perplexity's frontend.Continuously seek ways to elevate interaction quality, aesthetics, and team productivity.Essential QualificationsProven experience in building and maintaining user interface systems on a large scale.Solid coding fundamentals with some cross-stack development experience.Skilled at creating foundational systems for others to build upon.Hands-on experience with highly interactive React applications that utilize strongly typed code.Deep understanding of design and UI patterns applicable at scale.A genuine passion for prototyping, experimentation, and crafting accessible user experiences.Demonstrates an extreme ownership mentality.Takes pride in precision and attention to detail.At least 4 years of relevant industry experience.At Perplexity, AI is central to our mission. We expect all team members to effectively leverage AI in their roles. During the interview process, we will assess your thought process and decision-making abilities, which are crucial to our AI development. Please refrain from using AI tools unless instructed otherwise.

Nov 7, 2025
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company
Full-time|On-site|San Francisco

Important NoticeThis is a full-time, in-person position located in San Francisco (Presidio). We operate from our office five days a week.Candidates must be based in the Bay Area or willing to relocate prior to employment.We require authorization to work in the US, but we are open to O-1 visa sponsorship for outstanding candidates.Your RoleYou will take charge of the frontend aspect of Sauna, delivering interfaces that are seamless, user-friendly, and refined, even when the underlying processes are intricate.You will independently make product and design decisions, rapidly prototype, and implement solutions without being constrained by exhaustive specifications. You may sometimes work from existing designs or create new ones.Technology StackKey technologies include TypeScript, React, Next.js, Y.js, TipTap, and Cloudflare Workers.Who You AreMinimum Qualifications4+ years of experience in frontend engineering with a portfolio that impresses the founders. Show us complex and polished interfaces you've developed.Proficient in TypeScript and React — you are knowledgeable about reconciliation, optimizing renders, and understanding browser behavior.Strong product sense and design intuition — you can interpret a rough product vision, draft user interactions, and create solutions that resonate. You notice when transitions are slightly too slow or when user affordances are ambiguous.Decisive in design — you will need to take ownership of certain UX choices, produce simple designs when necessary, and find paths to overcome obstacles.Autonomous and humble — you do not wait for permission or perfect guidelines. You implement, gather feedback, and improve.Detail-oriented — you care about aspects like loading states, empty states, error messages, and keyboard shortcuts. The myriad small details that enhance software quality matter to you.Preferred Qualifications (not mandatory)Experience with Y.js, Automerge, or CRDTs for real-time collaboration.Familiarity with rich text editors (ProseMirror, TipTap, Slate).Developed interfaces for LLM-based tools (handling streaming responses, uncertainty management, progressive disclosure, etc.).

Nov 3, 2025
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company
Full-time|Hybrid|United States

Role OverviewLocation: San Francisco, CA or Remote (US) Work Model: In-office/RemoteAbout Effective AIAt Effective AI, we are pioneering the future of work by pushing the boundaries of artificial intelligence. We believe that the true potential of AI lies not in automating simple tasks, but in enhancing complex knowledge work that requires critical thinking and expertise. Our mission is to create advanced AI Teammates that excel in navigating intricate workflows and collaborating seamlessly with human professionals. We are initially focusing on the trillion-dollar U.S. Property & Casualty insurance sector, an area rich in data and complex processes, presenting an exciting challenge.Having secured $10 million in seed funding from esteemed investors such as Lightspeed Ventures and Valor Equity Partners, our team is based in San Francisco and thrives on close collaboration to tackle these daunting challenges.Your Role and ResponsibilitiesAs a Founding Frontend Engineer, you will be an integral member of our pioneering team, instrumental in crafting and developing our core product from its inception. You will explore the intersection of AI and human collaboration through data-intensive analytical projects tailored for insurance professionals.Key responsibilities include:Facilitating long-term task execution by establishing essential UX patterns for engaging with multi-turn, multi-tool AI systems.Empowering actuaries and underwriters to process thousands of documents simultaneously by providing them with coding tools and coding agents.Designing and implementing our frontend architecture using contemporary frameworks (React, TypeScript, Tailwind), with a strong emphasis on performance and maintainability.Hands-on involvement with our backend and core agentic platform, all developed in TypeScript.Collaborating closely with design, backend, and machine learning engineers to craft comprehensive user experiences.Rapidly prototyping and iterating on features while balancing speed and quality in a dynamic startup environment.Who You AreWe are in search of an innovative and driven creator eager to take on challenging problems.You possess a genuine passion for AI and thrive on solving ambiguous challenges through first principles thinking.You have extensive experience in developing production-ready web applications.

Dec 9, 2025
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companydatacurve logo
Full-time|On-site|San Francisco

Join us at datacurve as we revolutionize the developer experience through a gamified platform that inspires tens of thousands of coders to engage in thrilling software engineering challenges – all while advancing the frontiers of large language models (LLMs)!As a Senior Frontend Engineer, you will be a vital member of a dynamic and enthusiastic team committed to tackling complex technical challenges, crafting captivating gamification experiences, and laying the groundwork for a collaborative global developer community.Your ResponsibilitiesCreate and develop user-friendly, visually appealing, and engaging interfaces that attract developers.Work closely with product managers, designers, and backend engineers to create integrated gamified experiences and interactive coding challenges.Design scalable frontend architectures, ensuring maintainability, performance, and reliability as our platform expands.Promote frontend best practices, enhance code quality, and provide mentorship within the engineering team.Engage in continuous experimentation, iteration, and optimization of user experiences driven by analytics and user feedback.Your QualificationsOver 3 years of experience in developing scalable, high-performance frontend applications utilizing React and TypeScript.Expertise in crafting responsive, attractive user interfaces using Tailwind CSS.In-depth knowledge of data fetching, state management, and API integration using GraphQL.Demonstrated ability to design maintainable, modular frontend codebases and implement best practices.Experience in developing and maintaining reusable component libraries and frontend design systems.Familiarity with frontend testing frameworks and best practices (e.g., Vitest, React Testing Library, MSW).A strong passion for creating delightful user experiences and meticulous attention to detail in UI/UX design.A proactive approach to iterating quickly based on user feedback and analytical insights.Preferred QualificationsExperience with Relay for efficient GraphQL data management and client-side caching.Familiarity with frontend code generation tools and workflows (e.g., Plop).Understanding of modern CI/CD practices, including automated testing, linting, and deployment pipelines.

Oct 9, 2025
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companyHomeVision logo
Full-time|Hybrid|San Francisco

At HomeVision, we are revolutionizing the home valuation and appraisal industry by efficiently valuing a $40 trillion asset class. Our mission is to enhance equity and transparency within the US housing market. Backed by Initialized Capital, we are experiencing remarkable traction and revenue growth. We are on the lookout for a skilled Frontend Engineer to help us innovate our products and provide exceptional experiences for our customers.To thrive in this role, a strong empathy for our end users and a holistic understanding of product development are crucial.Key Responsibilities:You will be immersed in a cutting-edge React/Typescript and Golang stack, creating workflow automation solutions tailored for our primary users—home appraisal professionals. At HomeVision, our engineers have the autonomy to engage with the entire product lifecycle, from refining valuation models to enhancing customer onboarding and crafting intuitive frontend data visualizations that effectively communicate results.What You Bring to the Table:Extensive full-stack development experience across both backend and frontend technologies.Demonstrated proficiency in Unix/Linux environments and distributed systems.A knack for quickly learning and mastering new programming languages and technologies.Bonus Qualifications:Familiarity with technologies such as Go, Python, React/Typescript, Elasticsearch, and Docker.Experience in scientific and numerical computing (e.g., numpy, scipy, scikit-learn, tensorflow, pytorch, jupyter) is a plus.What We Offer:A competitive salary alongside a meaningful equity package.Comprehensive medical, dental, and vision coverage.401k plan.Generous parental leave policies.Flexible vacation policy.A high level of autonomy and ownership over your projects.Support for your professional development and aspirations through mentorship and collaboration.

Oct 2, 2025

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