Full-Stack Engineer

raydar; San Francisco, Northern (CA, KY); Hybrid; USD 200,000 - 250,000; Full time

Benefits offered by this job

Competitive equity

Relocation support

One-day virtual work trial

Job summary

raydar in San Francisco is seeking a Full-Stack Engineer to join a small, product-led team and own features across the frontend and backend. This on-site role emphasizes high agency, rapid delivery, and using AI fluently to boost speed and quality of work.

You will work closely with founders to shape an AI-native commerce platform, taking initiative on ambiguous problems and shipping high-impact features.

Qualifications

• 2+ years of professional experience as a full-stack software engineer.
• Experience across backend and frontend with end-to-end ownership of features.
• Experience at a venture-backed startup or other product-led, high-growth company.
• Practical fluency with AI development tools to scale or automate work.
• High agency with strong product sense and bias toward action.
• Clear communication and collaborative feedback style.
• Strong technical education or founder experience.

Responsibilities

• Build across the stack and own features from design through production launch.
• Treat the frontend as a product surface, improving UX beyond visuals.
• Design and extend backend systems, APIs, data flows, and integrations.
• Use AI tools as a core part of the development workflow.
• Ship quickly, learn from real users, and improve the product from feedback.
• Collaborate with founders and engineers on decisions and priorities.

Skills

Full-stack development

AI tools fluency

Product sense

Initiative

Strong communication

Tools

AI development tools

Job description

# Full-Stack Engineer* San Francisco, California, United States* Full-timeApply for this role## Compensation* $200K-$250K base salary.* Competitive equity.* A paid one-day virtual work trial during the interview process.## About the companyOur client is an early-stage AI-native commerce platform building a direct alternative to Shopify and the fragmented legacy commerce stack. The product bundles merchant tools into one system with an AI agent as the primary interface. Founded in 2025, the company has approximately 10 employees, more than 30,000 users, a substantial production codebase, and $7 million in funding.## The role and why it mattersYou will join a small, product-led engineering team and own meaningful parts of the platform across the front end and back end. This is a high-agency role for an engineer who wants broad responsibility, works quickly with real customer feedback, and uses AI fluently to increase the speed and quality of delivery.## What you'll do* **Build across the stack** and own features from technical design through production launch.* Treat the front end as a product surface by understanding user behavior and improving the experience, not only implementing designs.* **Design and extend backend systems**, APIs, data flows, and integrations that power an AI-native commerce platform.* **Use AI tools as** a core part of the development workflow to automate work and accelerate iteration.* Ship quickly, learn from real users, and improve the product based on direct feedback.* **Work closely** with the founders and engineering teammates to make product and technical decisions.* Take initiative on ambiguous problems without waiting for constant direction.## What we're looking for* 2 or more years of professional experience as a full-stack software engineer.* Strong ability across both backend and frontend development, with examples of features owned end to end.* Experience at a high-caliber engineering organization, preferably a venture-backed startup or another product-led, high-growth company.* Practical fluency with AI development tools and a track record of using them to scale or automate work.* High agency, strong product sense, and a bias toward action.* Clear communication and a collaborative approach to feedback and decision-making.* A strong technical education, founder experience, or another record of exceptional technical achievement.## Bonus points* Experience as a startup founder or early engineer.* Personal projects or products that demonstrate curiosity and ownership.* Experience with modern commerce, marketplace, or creator-economy products.* Experience building AI-native product experiences.* Company-paid relocation support, including travel to San Francisco.## Location and work model* Full-time and on-site in San Francisco.* Nontraditional startup hours; this is not a 9-to-5 position.* Candidates must already be in the San Francisco Bay Area or be willing to relocate.* Eligible visa transfers, including OPT and H-1B transfers, may be supported.