Front End Software Engineer / Design Engineer - Health & Longevity Startup

Skyrocket Ventures, Inc.; San Francisco (CA); On-site; USD 220,000 - 250,000; Full time

Job summary

Skyrocket Ventures, Inc. is seeking a Front End Software Engineer / Design Engineer for a health and longevity startup based in San Francisco. All engineers work in the office five days a week in a fast-paced, high-performance environment.

You will design intuitive interfaces for member journeys, collaborate with product, design and clinical teams, create interactive prototypes, and own UI quality from prototype to release, with a salary of $220k–$250k plus equity.

Qualifications

• A portfolio of interfaces you have designed and built, demonstrating your personal contribution, technical decisions, and attention to detail.
• Expertise in React, TypeScript, HTML, CSS, and modern frontend development practices.
• Strong visual and interaction design judgment, including typography, hierarchy, spacing, and motion.
• The ability to explore ideas in Figma or code, explain your decisions, and work constructively through critique.
• Experience building production interfaces that handle real data, different screen sizes, accessibility needs, and edge cases.
• Demonstrated ability to own work independently from prototype through release, including testing and debugging code developed with AI tools.

Responsibilities

• Designing and building intuitive interfaces for core member journeys, from understanding health results to navigating ongoing care.
• Collaborating with product, design, and clinical teams to translate complex information into clear, accessible experiences.
• Creating interactive prototypes to explore ideas, test assumptions, and help the team choose a direction.
• Building and maintaining reusable components and interaction patterns that improve consistency across the product.
• Owning interface quality across responsive layouts, loading and error states, accessibility, and performance.
• Working with backend and mobile engineers to integrate real data, ship complete experiences, and improve them through feedback and product usage.

Skills

React

TypeScript

HTML

CSS

Frontend architecture

Accessibility

Figma prototyping

Code testing & debugging

AI-assisted debugging

Tools

Figma

VS Code

Job description

Front End Software Engineer / Design Engineer - Health & Longevity Startup

The position is based in the company’s office in San Francisco. All of the company’s engineers work in the office 5 days/week, and it seeks candidates who will be excited about working in a fast-paced, hard-working, high-performance environment where teammates are together in person.

The company is building a new healthcare system that involves diagnostics, preventative healthcare, fitness/performance/health optimization, AI, and longevity. The company's ambition is to build the future of health.

The company has about 60 employees and 15 engineers. It has raised a very large round of series B funding and has already achieved a $1 billion valuation. Revenues are growing very rapidly, and the company is now moving towards hyper growth.

The company will pay a salary of $220k-$250k, plus equity which could be very lucrative.

Job Responsibilities:

• Designing and building intuitive interfaces for core member journeys, from understanding health results to navigating ongoing care.
• Collaborating with product, design, and clinical teams to translate complex information into clear, accessible experiences.
• Creating interactive prototypes to explore ideas, test assumptions, and help the team choose a direction.
• Building and maintaining reusable components and interaction patterns that improve consistency across the product.
• Owning interface quality across responsive layouts, loading and error states, accessibility, and performance.
• Working with backend and mobile engineers to integrate real data, ship complete experiences, and improve them through feedback and product usage.

Qualifications:

• A portfolio of interfaces you have designed and built, demonstrating your personal contribution, technical decisions, and attention to detail.
• Expertise in React, TypeScript, HTML, CSS, and modern frontend development practices.
• Strong visual and interaction design judgment, including typography, hierarchy, spacing, and motion.
• The ability to explore ideas in Figma or code, explain your decisions, and work constructively through critique.
• Experience building production interfaces that handle real data, different screen sizes, accessibility needs, and edge cases.
• Demonstrated ability to own work independently from prototype through release, including testing and debugging code developed with AI tools.

Nice to have:

• Interest in healthcare, wellness, or longevity.
• Experience at an early-stage startup or as a founding engineer.