Full-Stack Engineer (Front-End Spike)
About HUDHUD is building infrastructure to create RL training data and evals for frontier AI agents, as well as a marketplace to sell these to frontier labs through the HUD marketplace. Our platform is used by frontier labs, Fortune 500 companies, and startups. We've raised $15M from top VCs and were YC W25.About the roleWe're looking for a full-stack engineer who spikes in front-end to build a polished user experiences for a high-performing product.ResponsibilitiesBuild and ship end-to-end product features across frontend and backend, with a strong emphasis on user experienceTranslate product and design requirements into high-quality, intuitive user interfaces with strong attention to detailOptimize applications for performance, responsiveness, and cross-browser compatibilityDevelop and maintain backend services and APIs that power core product functionalityTalk directly with customers, understand their workflows, and turn messy real world feedback into product improvements ExperienceYou may be a good fit if you have:Strong experience owning products end-to-end and working across the stackEvidence of rapid learning and adaptability in technical environments (e.g., programming competitions)A portfolio of shipped products, side projects, or live demos that demonstrate your frontend craftsmanshipStartup experience in early-stage technology companies with ability to work independently in fast-paced environmentsFamiliarity with current AI tools and LLM capabilitiesStrong communication skills for remote collaboration across time zonesStrong candidates may also have:A standout portfolio showcasing exceptional UI/UX work, interaction design, or creative engineeringExperience with reinforcement learning, post-training, or model training workflowsFamiliarity with product analytics tools and experimentation (e.g., A/B testing) We prioritize technical aptitude and learning potential over years of experience. Motivated candidates are encouraged to apply even if they don't meet all criteria. Team & company detailsTeam Size: ~15 people currently, mostly full-time in-person, but some remote.Our team: Our team includes 4 International Olympiad medalists (IOI, ILO, IPhO), serial AI startup founders, and researchers with publications at ICLR, NeurIPS, etc.Company stage: We have 8 figures in funding and high revenue growth. We're scaling profitably and quickly to meet very strong demand.LogisticsEmployment: Full-time.Location: On-site in the San Francisco Bay Area.Visa Sponsorship: We provide support for relocation and visas for strong full-time candidates to the US.Timeline: Applications are rolling. The process is 2 technical interviews and a 1-week work trial. What we offerCompetitive compensation100% covered top-of-the-line medical, dental, and vision from Blue Shield of CALunch and dinner when you're in the officeCompany-wide holiday break (Christmas Eve to New Year's Day) on top of PTO and paid holidaysOther perks including an Equinox membership, 401k, and commuter benefitsUnlimited* access to tokens for ChatGPT, Claude Code, Cursor, etc. *By unlimited, we mean no one on our token usage leaderboard has ever hit a limit. So we have no idea what the limit is.