Full-Stack Engineer, Front-End Spike

hud (YC W25)

Full-Stack Engineer building user experiences for a high-performing product at HUD. Focus on end-to-end product features across frontend and backend.

Posted 6/5/2026full-timeSan Francisco • California • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Build and ship end-to-end product features across frontend and backend, with a strong emphasis on user experience
Translate product and design requirements into high-quality, intuitive user interfaces with strong attention to detail
Optimize applications for performance, responsiveness, and cross-browser compatibility
Develop and maintain backend services and APIs that power core product functionality
Talk directly with customers, understand their workflows, and turn messy real world feedback into product improvements

Requirements

What you’ll need

Strong experience owning products end-to-end and working across the stack
Evidence 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 craftsmanship
Startup experience in early-stage technology companies with ability to work independently in fast-paced environments
Familiarity with current AI tools and LLM capabilities
Strong communication skills for remote collaboration across time zones
A standout portfolio showcasing exceptional UI/UX work, interaction design, or creative engineering
Experience with reinforcement learning, post-training, or model training workflows
Familiarity with product analytics tools and experimentation (e.g., A/B testing)

Benefits

Comp & perks

Competitive compensation
100% covered top-of-the-line medical, dental, and vision from Blue Shield of CA
Lunch and dinner when you’re in the office
Company-wide holiday break (Christmas Eve to New Year’s Day) on top of PTO and paid holidays
Other perks including an Equinox membership, 401k, and commuter benefits
Unlimited* 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.*

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

frontend developmentbackend developmentAPIsuser experienceperformance optimizationcross-browser compatibilityreinforcement learningmodel trainingA/B testinginteraction design

Soft Skills

strong communicationadaptabilityindependenceattention to detailcustomer engagementcollaborationproblem-solvingcreativityrapid learningwork ethic