Frontend Software Engineer

About OmniOmni is an innovative business intelligence and embedded analytics platform designed to empower customers to explore, comprehend, and leverage their data effectively. With our headquarters situated in the vibrant city of San Francisco and additional hubs located throughout EMEA and APAC, we proudly partner with esteemed investors such as ICONIQ Growth, Theory Ventures, First Round Capital, Redpoint Ventures, Google Ventures, Snowflake Ventures, and Databricks Ventures.About the RoleAs a Software Engineer focused on AI Frontend, you will play a pivotal role in developing user interfaces and functionalities for our AI-driven analytics service. This position offers you the unique opportunity to craft intelligent workflows and design AI-integrated tools that enhance user experiences.You will collaborate with a highly skilled team and possess the autonomy to prioritize tasks and tackle challenges independently or in conjunction with your colleagues. At Omni, all software engineers engage across our technology stack to address customer needs, whilst our engineering culture emphasizes rapid, iterative shipping without compromising on performance and quality.Recent projects include:Fully functional spreadsheets integrated within our BI platform.Development of an MCP server for Blobby, our AI chatbot capable of generating queries within the constraints of a semantic data model.Facilitating CSV uploads.Enabling data writing capabilities to Google Sheets.

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

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.

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.

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.

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

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.

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.

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.

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

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.

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.

Join LaunchDarkly as a Frontend Engineer focusing on AI Configurations, where you will play a crucial role in shaping the future of feature management. You will work closely with our innovative engineering team to develop scalable, user-friendly interfaces that enhance customer experience. Your expertise will help us build sophisticated tools that leverage artificial intelligence for dynamic configuration management.

Join Filevine, a pioneering Legal AI firm revolutionizing legal work with our cutting-edge Legal Operating Intelligence platform. We unite data, documents, workflows, and teams into a cohesive system that enhances clarity and consistency in modern legal practice.With our innovative Legal Operating Intelligence System (LOIS), we empower legal professionals to shift from reactive to proactive operations. LOIS comprehensively analyzes your data to uncover insights, automate complex processes, and provide the clarity needed to excel. Recognized by Deloitte and Inc. as a leader in technological innovation, Filevine is experiencing rapid growth and is proud to be a top player in the industry.Position Overview:We are seeking a talented Senior or Staff Frontend Engineer to take ownership of essential product features across our Word and web applications. In this role, you will establish high standards for user interface quality, influence architectural choices, and collaborate closely with design, backend, and AI engineering teams. Your contributions will directly impact the workflows of thousands of legal teams daily.This is an opportunity for individuals looking for significant ownership, rapid iteration cycles, and substantial influence within one of Filevine’s most technical and user-oriented product areas.

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.

About Ivo Inc. Ivo Inc. builds legal technology for the future of contract work. The engineering team has delivered several firsts in the industry, including: An AI agent that integrates with MS Word for streamlined document editing (2023) Migration from traditional embedding models to agentic RAG systems (2023) Large-scale legal fact extraction using large language models (2024) A legal assistant that searches extensive contract databases with accuracy (2024) Clustering related legal documents to improve workflow efficiency (2025) Automated deviation analysis to identify hidden risks in large contract sets (2025) Tools for merging contracts and amendments into composite contracts, changing how legal professionals work (2025) Role Overview: Senior Frontend Software Engineer This role focuses on building user experiences that legal professionals rely on every day. As a Senior Frontend Software Engineer, the work centers on creating interfaces that are both intuitive and powerful. What You Will Do Design a dynamic, real-time interface powered by AI Write efficient, high-performance UI code Develop frontend components that connect seamlessly with LLM-powered agents Work closely with designers, legal experts, and engineers to shape the future of legal technology Our Mission Legal teams often face long hours and repetitive contract reviews, with little help from traditional technology. Ivo aims to change that by building an AI-native platform that automates routine legal tasks. The platform is trusted by users and holds an 85% trial win rate, the highest in the market. The team is committed to making a real difference for legal professionals. Who Thrives Here Engineers who care deeply about code quality and want their work to matter Location San Francisco

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.

OverviewIn today's fast-evolving technological landscape, the educational experiences of both students and teachers are undergoing significant transformations. At Kira Learning, we are committed to leveraging innovative AI technologies to make top-tier teaching and learning accessible to all. As a Senior Software Engineer at Kira, you will spearhead groundbreaking projects, shaping products that enhance educational experiences globally.Kira is a dynamic startup backed by prestigious Venture Capital partners such as New Enterprise Associates (NEA), Andrew Ng’s AI Fund, and Primavera.This full-time role requires flexibility in work hours and availability outside of typical business times. Our offices are located in San Francisco, CA, and New York City, NY, and we expect employees to work in-person four days a week from one of these locations.

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.