Frontend Technical Lead at Onyx | San Francisco

Position OverviewJoin Onyx, a leading open-source project with a vibrant community of over 300,000 users, contributing to a platform that has garnered more than 13,000 stars on GitHub. As a Fullstack Engineer, you will have the chance to make a significant impact in a project that has the potential to reach millions globally. Your ContributionAs one of the early team members, you will be instrumental in defining our core product. Help us establish Onyx as the premier “GenAI for work” application worldwide. This role is based in our San Francisco office.Your responsibilities will include:Designing a user-friendly interface for our GenAI Chat, Enterprise Search, Agents, and Admin features.Enhancing backend functionalities and APIs to support our growing needs.Refining the search pipeline for better flexibility and quality, developing a semantic understanding of customer organizations, and improving permission and access controls.Implementing cutting-edge NLP techniques, such as LLM-based Knowledge Graphs and StructRAG, to broaden the system’s question-answering capabilities (AI/deep learning experience is not mandatory).Taking ownership of the entire development lifecycle of new features, from ideation to deployment.Collaborating closely with founders and the team to influence product direction and contribute to our engineering strategy. Success Factors1-5 years of practical software engineering experience in developing real-world applications.Proficiency in Typescript, React, NextJS, Python, and relational databases (Postgres).A passion for working in a dynamic startup environment with minimal processes.Strong communication skills and the ability to work collaboratively with both teammates and external stakeholders.⭐ Additional AdvantagesFamiliarity with Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), and both on-premise and cloud deployments.An interest or experience in AI technologies (NLP, Deep Learning, GenAI) and information retrieval.Background as a founder or early engineer at a seed or series-A startup.

About the RoleJoin Onyx, an esteemed open-source project that has captivated hundreds of thousands of users. With over 10,000 stars and a vibrant community of over 3,000 members on platforms like Slack and Discord, your contributions could impact millions in the future. Your ImpactAs a Machine Learning Engineer at Onyx, you will play a pivotal role in enhancing our knowledge layer on top of Large Language Models (LLMs). You will tackle complex challenges such as multi-hop question answering, needle-in-haystack retrieval, and advanced Retrieval-Augmented Generation (RAG) techniques. Key ResponsibilitiesDesign and implement knowledge graphs based on LLMs, exploring advanced RAG methods and cutting-edge information retrieval algorithms.Enhance user experience through innovative features like feedback learning, personalized search, and Subject Matter Expert (SME) suggestions.Develop a semantic understanding of organizational priorities to improve Onyx's answering capabilities.Manage projects from initial conception through validation to production deployment.Collaborate closely with our Founders and Head of AI to shape product direction and contribute to our AI/ML strategy. Success Criteria3+ years of experience in AI/ML engineering, focusing on real-world applications.In-depth expertise with PyTorch/TensorFlow, natural language processing (NLP) models, and standard machine learning algorithms.Stay current with advancements in open-source and proprietary LLMs, RAG, and agent frameworks.Strong software engineering skills, capable of building backend features using web frameworks, ORMs, and relational databases.Excellent communication skills, with the ability to collaborate effectively across teams.⭐ Bonus SkillsFamiliarity with full-stack technologies, including TypeScript, React, Next.js, Python, and PostgreSQL.Passion for writing technical blogs to position Onyx as a leader in the field.

The RoleAs the Frontend Tech Lead Manager at ComfyUI, you will play a pivotal role in shaping our user interface while leading a talented team of frontend engineers. Your responsibilities will encompass owning the architecture and development of our core UI, ensuring that ComfyUI’s interfaces are efficient, reliable, and user-centric. While you will maintain a technically hands-on approach where beneficial, your primary focus will be on architectural design, technical direction, and team leadership. In essence, you will be instrumental in defining the future of ComfyUI’s frontend experience, guiding everything from the prototyping of innovative ideas to the delivery of polished releases.What You’ll DoLead Frontend Architecture: Spearhead the design and development of ComfyUI’s core frontend systems from inception. Establish a long-term vision for how our interface is structured and evolves.Technical Leadership: Actively contribute to crucial technical and product decisions within the leadership and engineering teams. Facilitate architectural discussions and ensure cohesive alignment across the stack.Mentorship & Team Growth: Mentor and manage frontend engineers, cultivating a high-performance team and a robust engineering culture. Participate in recruitment, hiring, and onboarding processes for new members.Establish Best Practices: Develop and enforce best practices for frontend code quality, testing, performance, and maintainability. Oversee the evolution and enhancement of our CI/CD and automated testing processes to ensure our frontend remains resilient as we scale.Cross-Functional Collaboration: Collaborate extensively with Product, Design, Backend, and AI/ML teams to refine the end-to-end user experience. Transform complex requirements into elegant interfaces and link the frontend to our generative AI pipelines.Project Planning & Execution: Manage project execution through timeline setting, task prioritization, and ensuring timely delivery of frontend milestones while balancing immediate goals with long-term technical health.Prototyping & Iteration: Rapidly develop and iterate on UI features to explore new concepts, validate user flows, and deliver a refined end-user experience. Transition product ideas into functional prototypes and enhance them into production-ready features.Stay Current: Stay abreast of the latest frontend technologies and trends. Assess new tools, libraries, or methodologies (such as advancements in Vue.js, TypeScript, Vite/Nx, or UI frameworks) to keep ComfyUI’s frontend modern and scalable.Quality & Optimization: Identify and resolve frontend performance issues and optimize the user experience.

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.

OverviewAt mat3ra, we are on the lookout for innovative and experienced Senior Engineers to tackle complex challenges that intersect materials science, artificial intelligence, and software development. Join us in creating a cutting-edge software framework aimed at designing and discovering advanced materials and chemicals. Explore our codebase and connect with our dynamic team on GitHub.Your work will concentrate on: (1) crafting 3D and 2D design applications tailored for nanoscale materials and chemistry, (2) organizing data derived from models and experimental validations, and (3) delivering exceptional user experiences for our platform’s initial user base.As we expand, successful candidates will have opportunities to step into leadership roles. This position is full-time and permanent.

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.

About WatershedWatershed is a pioneering enterprise sustainability platform that empowers organizations to effectively manage climate and ESG data. Renowned companies such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens utilize Watershed to generate audit-ready metrics for both voluntary and regulatory reporting, including CSRD, while driving genuine decarbonization efforts. We are in search of passionate team members who are eager to contribute to product development, thrive in a mission-driven startup environment, and play an integral role in shaping our dynamic team culture.With offices located in San Francisco, New York, Denver, London, Paris, Berlin, Sydney, and Mexico City, along with remote team members across the US and Europe, we invite you to explore the opportunity to join our innovative team!The RoleWe are seeking a highly skilled Technical Accounting Lead to take ownership of some of the most intricate and judgment-intensive areas of our financial statements. In this pivotal role, you will not only reference guidance but also architect the strategic framework, craft comprehensive memos, and operationalize key accounting standards for our high-growth software business, all within a rapidly evolving market and regulatory environment.You will act as the primary technical accounting authority at Watershed, serving as the subject matter expert on critical topics such as Revenue Recognition (ASC 606), Capitalized Commissions (ASC 340-40), and Internally Developed Software (ASC 350-40). In addition to your technical expertise, you will actively engage in month-end close processes, audit preparation, execution, and financial statement reporting, collaborating closely with finance teams and other departments throughout the company.This position is ideally based in one of our hubs in San Francisco or New York City, but we are open to considering remote candidates within the US as well.

About KiddomKiddom is an innovative educational platform dedicated to fostering student equity and growth by seamlessly integrating high-quality instructional materials with engaging digital learning. Our comprehensive curriculum management tools empower schools and districts to take charge of their curriculum, creating customized learning experiences that align with the distinct needs and aspirations of local communities. By providing robust insights for teachers and leaders, Kiddom drives continuous improvement in instructional decisions, school programming, and professional development.We are on a mission to revolutionize education through the power of technology. Our goal is to create a holistic platform that supports educators and learners alike with state-of-the-art tools and data-driven insights. We are seeking a skilled Staff Software Engineer to join our team and spearhead the architecture and development of scalable, frontend-focused solutions.As a Lead Software Engineer - Frontend at Kiddom, you will be instrumental in designing and delivering comprehensive product features with a strong focus on frontend architecture. Your role will involve scoping, building, and optimizing product features and addressing complex challenges at scale. You will work collaboratively with other senior engineers, select the most suitable tools and technologies, and implement robust, production-grade software solutions.Note: Please complete the application questions in full. Failure to do so will result in automatic disqualification.

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.

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.).

About the RoleJoin Onyx, where we are revolutionizing the intersection of generative AI and the modern workplace. Our mission is to unlock company-specific knowledge and make AI truly beneficial in professional settings. With an impressive roster of customers utilizing Onyx daily and a surge of interest from renowned brands, we're poised for significant growth.As our inaugural Account Executive, you'll play a pivotal role in shaping our go-to-market (GTM) strategy. Your contributions will extend beyond sales; you'll refine our sales playbook and influence our expansion strategies. This position presents a genuine pathway to advancing into sales leadership as we scale.Your ImpactYou will spearhead our GTM initiatives, engaging across the entire sales funnel while collaborating closely with our founders and technical teams. This role is designed for a proactive individual who thrives in dynamic environments and seeks to establish effective sales practices within a startup.Key ResponsibilitiesOwn the Full Sales Cycle: Conduct discovery calls, deliver product demonstrations, engage in pricing discussions, manage proof-of-concepts (POCs), and finalize deals.Generate Pipeline: Work with inbound leads while creatively building pipeline through outbound prospecting efforts.Navigate Complex Deals: Collaborate with prospects to manage security reviews, legal adjustments, and procurement processes.Collaborate Cross-Functionally: Work alongside engineering and product teams to ensure a seamless POC experience and customer transition.Refine Our Sales Playbook: Track sales pipeline, update CRM systems, generate forecasts, and document our most effective sales strategies.

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.

Join Fable Security as a Frontend EngineerIn today's digital landscape, AI-driven threats and human errors are the leading risks to enterprise security. At Fable, we understand that cybercriminals exploit human behavior rather than just systems. With human errors accounting for 70% of security breaches, we aim to transform individuals from targets into a robust line of defense.Fable offers a unique human risk platform that actively influences employee behavior. Our platform is designed for simplicity and scalability, integrating complex employee data to identify risky behaviors and deliver timely, relevant interventions directly to users in their work environment.Backed by prominent investors like Redpoint Ventures and Greylock Partners, and founded by innovators from Abnormal Security, we are addressing a critical challenge in the cybersecurity sector within a multi-billion-dollar market. Our diverse team includes alumni from leading institutions such as Meta, Twitter, and Stanford, and we are on a rapid growth trajectory, offering a pivotal opportunity to shape the future of security.

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.

About LayerIn the past ten years, a dynamic ecosystem of software tools tailored for small and medium-sized businesses (SMBs) has flourished, assisting them in managing various aspects of their operations. From payments to payroll, businesses have seen significant advancements; however, accounting solutions have not kept pace. Many small business owners continue to grapple with disjointed, generic accounting software and the high costs of bookkeepers.At Layer, we are revolutionizing accounting software and bookkeeping by integrating them into the everyday tools that SMBs rely on. Our platform empowers software companies to swiftly deploy modern accounting solutions and bookkeeping services to their SMB clientele, eliminating reliance on outdated accounting systems or costly bookkeepers.The RoleWe are seeking engineers who aspire to build not just a superior product but also a thriving team and company culture. This requires a blend of broad technical expertise across our technology stack, alongside less common skills such as:Thinking innovatively from foundational principles while aligning with customer needs.Demonstrating curiosity about both technical and business challenges.Skillfully managing competing priorities and trade-offs in relation to company goals.Exhibiting a strong sense of ownership over product and team decisions.Fostering a supportive environment that enhances the strengths of team members.We believe that exceptional early-stage engineers often possess some common experiences, such as:2+ years of experience with dynamic software teams.Experience navigating the ups and downs of developing new products from inception.A proven track record of leadership growth within teams.That said, we deeply value individuals who take the initiative to tackle problems and pursue opportunities they are passionate about, so we welcome those who may not fit the exact profile to reach out.Our Tech StackWe do not prioritize candidates based solely on their familiarity with our technology stack. One of the advantages of hiring exceptional engineers is our confidence in their ability to adapt quickly, with support from the team. However, we want every candidate to be excited about the tools and environment they will encounter on day one.API language: KotlinEmbedded components: ...

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.

Why join usAt Brex, we are revolutionizing the way businesses manage their finances with our AI-driven spend platform. Our integrated solutions, including corporate cards, banking, and global payments, empower companies to spend confidently. From startups to large enterprises like DoorDash, Flexport, and Compass, thousands of organizations utilize Brex to enhance their spending control, cut costs, and improve operational efficiency on a global scale.Joining Brex means pushing boundaries, challenging conventional thinking, and collaborating with some of the most talented individuals in the industry. We are dedicated to fostering a diverse and inclusive team culture, where your potential is only limited by your aspirations. We provide you with the tools and support necessary to advance your career.Engineering at BrexEngineering at Brex focuses on developing robust systems designed for scalability and precision. Our teams encompass Software, Data, Security, and IT, operating with a high level of autonomy and collaborative spirit. We tackle complex technical challenges, take ownership of our outcomes, and strive for excellence in every aspect, from architecture to deployment. Here, engineering is treated as a craft, and builders emerge as leaders.What you’ll doAs an Intermediate Frontend Engineer, you will engage with the entire Brex stack, developing and maintaining innovative products and features, while creating tools to facilitate the scaling of Brex. This role offers the chance to learn and push the boundaries of delivering an exceptional financial software experience that enables companies to thrive. You will be encouraged to adopt a data-driven approach, think creatively, and contribute to Brex's expansion into new markets. We seek individuals who are not only passionate about product development but also eager to lead multifaceted projects with numerous components. In this position, you’ll directly impact our business and help shape our long-term technical roadmap with a focus on quality.Where you’ll workThis position is based in our San Francisco office. We embrace a hybrid work model that combines the vibrant energy of in-office collaboration with the flexibility of remote work. Currently, we require employees to be in the office a minimum of three coordinated days a week: Mondays, Wednesdays, and Thursdays. Additionally, we offer the possibility of up to four weeks of fully remote work each year!ResponsibilitiesCollaborate with engineers across the organization to develop new features and products.Work closely with...

Join Our Exciting Journey! As a Frontend Engineer at Loft Orbital, you will engage in various innovative projects, focusing on enhancing the user interface of Cockpit, our state-of-the-art satellite operations software. Your role will empower end-users by providing them with advanced satellite management tools. You will collaborate closely with your fellow Frontend Engineering team members and engage with the broader Software team to drive impactful solutions.

Join us as a Founding Designer at Onyx in vibrant San Francisco, CA, where you will play a pivotal role in shaping our digital landscape. Your primary responsibility will involve designing innovative websites and digital user interfaces that embody our company's design vision, delivering exceptional user-centered experiences across various products and platforms.You will engage in the entire design process—from ideation through testing to implementation—ensuring that interfaces are optimized based on user feedback and business objectives. Your mission is to enhance usability and drive user engagement.You will also be responsible for developing scalable design systems that maintain consistency, efficiency, compatibility, and accessibility throughout our digital assets. By crafting and maintaining cohesive brand identity elements and graphics, you will ensure alignment with our business goals and enhance user engagement.Collaboration is key—work closely with product, engineering, marketing, and other teams to ensure high-quality and cohesive design execution across our customer-facing digital platforms.