Founding Frontend Engineer
2 weeks ago
Job Description: Founding Frontend Engineer (Staff) Job Summary Variant is seeking a Founding Frontend Engineer to own and shape the frontend of our platform. This is a Senior II / Staff-level role based in San Francisco, CA. We are well-capitalized, backed by top investors, and focused on building software that blends engineering excellence with design creativity. Key Details Location: San Francisco, CA (On-site, 5 days a week) Employment Type: Full-time Salary Range: $180K - $230K Equity: 0.10% - 1.25% Visa Sponsorship: Available Tech Stack: React, Next.js, Browser APIs, DOM Responsibilities Own the frontend development of the platform. Design and implement performant, pixel-perfect components. Collaborate closely with design-focused teammates to deliver world-class UX. Balance quality with speed in a fast-paced startup environment. Contribute beyond frontend when needed, as a T-shaped engineer. Ship end-to-end features with minimal bureaucracy. Requirements 610 years of software engineering experience, with strong focus on frontend. Expertise in modern frameworks such as React, Next.js, Svelte, etc. Deep understanding of the DOM, browser internals, and performance optimization. Proven zero-to-one experience building products end-to-end. Background at early-stage startups, YC founders, or top-tier tech companies. Portfolio, open-source contributions, or shipped impactful products. Strong communication skills, with the ability to disagree and follow through on commitments. Required Skills: • Next.JS • Creativity • Balance • Salary • React • Features • Components • Communication Skills • Optimization • Software • Design • Engineering • Communication
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Founding Engineer, Frontend
7 days ago
San Francisco, United States CENNA Systems Inc. Full timeAbout the RoleAs a Founding Frontend Engineer at Cenna, you will lead the creation of intuitive, high-performance user interfaces for our agentic services platform. Your work will define the user experience, ensuring our AI-powered products are accessible, responsive, and visually compelling.ResponsibilitiesDesign and build responsive, user-friendly...
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Founding Frontend Engineer
4 weeks ago
San Francisco, United States Together for Talent Full timeFounding Frontend Engineer | AI-Empowered Unified Company Memory Location: San Francisco, CA Salary: $150-300k DOE + Equity We are a growing software start-up on a mission to create a groundbreaking AI teammate that captures a company's context, goals, and culture, empowering startups to scale without losing their essence. Backend by leading venture capital...
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Founding Frontend Engineer
4 weeks ago
San Francisco, United States DRH Search Full timeWe're assisting a profitable startup with their search for a founding frontend engineer. Their product is an AI platform that automates software testing. The role will work onsite in their SF office. What you'll do: Own the entire product frontend, including the NextJS cloud app and the upcoming local app Craft novel UI paradigms that give users the...
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Founding Senior Engineer
3 weeks ago
San Francisco, United States VAPI Full timeThis range is provided by Vapi. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range $100,000.00/yr - $220,000.00/yr Company Overview Apple Intelligence and Google Gemini are about to onboard 4 billion people to voice assistants that actually talk like people. This marks a new beginning for voice...
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Founding Frontend Engineer
4 days ago
San Francisco, California, United States Staffingfolks Full time $200,000 - $250,000 per yearYou'll be our founding full-stack/frontend engineer, building the interface where advisors and AI collaborate. You'll have significant influence in defining our frontend architecture and technical approach as we figure out what this product needs to be.You'll build an interface where AI and advisor work together fluidly adapting to both in real-time,...
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Founding Frontend Engineer
2 weeks ago
San Francisco, United States Parsed Full timeWe’re building the post-training platform that makes AI deployments safe, transparent, and continuously improving by productising frontier LLM and interpretability research.At Parsed, we supercharge large language models with reinforcement learning, enabling them to adapt and improve continually in real-world use. Instead of static black boxes, our models...
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Frontend Engineer
2 weeks ago
San Francisco, United States Fabrion Full timeFrontend Engineer (with familiarity of full stack) (Founding Team)Location: San Francisco Bay AreaType: Full-TimeCompensation: Competitive salary + meaningful equity (founding tier)Backed by 8VC, we're building a world-class team to tackle one of the industry’s most critical infrastructure problems.OverviewWe’re building an AI-native data platform...
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Founding Frontend Engineer
2 days ago
San Francisco, California, United States Parsed Full time $150,000 - $250,000 per yearWe're building the post-training platform that makes AI deployments safe, transparent, and continuously improving by productising frontier LLM and interpretability research.At Parsed, we supercharge large language models with reinforcement learning, enabling them to adapt and improve continually in real-world use. Instead of static black boxes, our models...
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Founding Frontend Engineer
2 weeks ago
San Francisco, United States Nextradar Full timeVariant is code generation with creativity and taste. Instead of a confined conversation, you can generate endless designs from a single idea. Freely explore, discover directions you wouldn’t have thought of, and build better software as a result.We're well-capitalized and looking for a founding engineer to own the front end of Variant.The ideal...
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Founding Frontend/Design Engineer
2 weeks ago
San Francisco, United States Rebolt (YC W25) Full timeJoin to apply for the Founding Frontend/Design Engineer role at Rebolt (YC W25)Join to apply for the Founding Frontend/Design Engineer role at Rebolt (YC W25)Get AI-powered advice on this job and more exclusive features.This range is provided by Rebolt (YC W25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn...