Software Engineer, Frontend

Location: Flexible, should be able to travel to the SF bay area frequently.

Death is our only foe.

Blueprint was founded by Bryan Johnson, who has the world’s best comprehensive biomarkers. He is quantitatively the healthiest person on the planet.

Blueprint is methodically built on science. Bryan freely shares his protocol, learnings and data with everyone to use. Blueprint has also developed a family of nutritional products to make the benefits of the Blueprint protocol affordable and available to all.

We’re a small, tight-knit team working to clean up the global food supply, provide healthy food to everyone, and build Don’t Die into the most influential ideology in the world. We move quickly, work efficiently, and enjoy an environment defined by competence.

We’re looking for a Frontend Engineer who loves to craft elegant, high-performance web experiences. You’ll be one of the early engineers shaping Blueprint’s digital experience, building interfaces that make complex biological and AI-driven insights simple, clear, and engaging.

You’ll collaborate closely with design, product, and backend teams to bring data to life through rich visualizations and intelligent interactions powered by LLMs and other AI models. This is a role for someone who thrives in a fast-moving, creative environment and takes pride in creating user experiences that feel as good as they look.

• Build and ship the first versions of Blueprint’s web experience using React, Type Script, and modern frameworks like Next.js.
• Work closely with product and design teams to translate ideas into fast, intuitive, and beautiful user interfaces.
• Integrate LLMs and AI-driven features into the frontend to create adaptive and personalized experiences.
• Ensure frontend performance, scalability, and security at every stage of development.
• Write clean, maintainable, and well-tested code and participate actively in code reviews.
• Collaborate with backend and data teams to design efficient APIs and data models.
• Contribute to the early architecture and design decisions that will shape Blueprint’s digital platform.

• 5+ years of experience building high-traffic or large-scale web applications.
• Strong proficiency in JavaScript (ES6+), Type Script, React, and ideally Next.js.
• Deep understanding of responsive design, modern frontend architecture, and performance optimization.
• Ability to take a project from concept to production with minimal oversight.
• Excellent communication skills and a collaborative mindset.
• Curiosity and excitement for working with AI models and LLMs to create next-generation user experiences.

• Experience integrating with APIs, LLM endpoints, or ML-powered services.
• Exposure to backend systems or CI/CD pipelines.
• Experience working in an early-stage startup or small, fast-moving team.
• A strong eye for design and detail.

Salary Range: $180,000–$250,000 + equity + benefits