Senior Software Engineer

23andMe’s Core Engineering team is looking to hire a Senior Software Engineer to join our Pub team. This is the team responsible for building and optimizing our public-facing website (pubsite) and core user-facing flows, which are the primary drivers of our consumer business. 

You will be responsible for building both the ‘client-side’ and ‘server-side’ of our web applications, translating company and customer needs into functional and appealing interactive experiences that drive growth. You'll work across our full stack, from our core Python/Django platform to our modern Next.js (React)-based pubsite and headless CMS.

You'll lead by example, guide the design of compelling new features, and contribute innovative solutions to challenging engineering problems to make those features real and performant. Join our growing team and enjoy a collaborative environment with small project teams working on a variety of tasks. 

Who We Are

We are a group of individuals passionate about genetic discovery. 23andMe Research Institute is a nonprofit medical research organization that enables people everywhere to access their genetic information, learn about themselves, and participate in the world's largest crowdsourced research initiative. The Institute aims to be the world's most significant contributor to scientific advancement, uniting people with the common goal of improving health and deepening our understanding of DNA — the code of life.

What You'll Do

• Deliver secure, high-quality, and testable full-stack code on time.
• Collaborate closely with product, design, and marketing teams on the strategic vision for our consumer-facing roadmap.
• Design and build delightful and engaging consumer-facing experiences, optimizing our marketing and e-commerce funnels.
• Thoughtfully decompose functional and technical requirements into clean architectures and designs for both server-side (Python/Django) and client-side (React/Next.js) applications.
• Design, build, and maintain our headless CMS (WordPress) integration and our modern pubsite.
• Implement and analyze A/B tests to drive growth and improve user experience.
• Optimize applications for maximum speed, scalability, and technical SEO.
• Design and build robust APIs for cloud applications.
• Drive technical excellence through code and design reviews.
• Evolve and improve existing backend and frontend systems to support our ambitious product roadmap.
• Mentor other engineers and become an important part of our engineering culture.

What You'll Bring

• BS in Engineering or a related field with a minimum of 6 years of real-world, industry experience building, delivering, and maintaining production-quality code.
• Proven experience as a Full-Stack developer, with strong proficiency in both a backend language (like Python) and a modern frontend framework (React preferred).
• Hands-on experience with Python-based web frameworks (Django preferred).
• Hands-on experience with JavaScript/React (Next.js is a strong plus).
• Strong knowledge of HTML, CSS, cross-browser compatibility, and accessibility.
• A solid understanding of the entire web development process (design, development, deployment).
• Understanding of web security and cryptography concepts.
• Experience with marketing funnel optimization, A/B testing (e.g., Optimizely), and technical SEO principles.
• Familiarity with headless CMS (like WordPress) is a plus.
• A team player attitude with comfort operating in a highly collaborative environment.
• Passion for scalable high-quality software and excellent user experiences.
• Willingness to learn, lead, mentor, and take responsibility.

Tools we use and teach

• AWS services
• Python / Django
• JavaScript / React / Next.js
• HTML / CSS
• Headless CMS (WordPress)
• A/B Testing tools (Optimizely)

About Us

23andMe, headquartered in California, is a leading consumer genetics and research company. The company’s mission is to help people access, understand, and benefit from the human genome. 23andMe has pioneered direct access to genetic information as the only company with multiple FDA authorizations for genetic health risk reports. The company has created the world’s largest crowdsourced platform for genetic research, with 80 percent of its customers electing to participate. 23andMe research participants consent to research conducted by 23andMe which is overseen by an independent third-party Institutional Review Board (IRB) regulated under the 'Common Rule' (45 CFR part 46). More information is available at www.23andme.com/research.

At 23andMe, we value a diverse, inclusive workforce and we provide equal employment opportunity for all applicants and employees. All qualified applicants for employment will be considered without regard to an individual’s race, color, sex, gender identity, gender expression, religion, age, national origin or ancestry, citizenship, physical or mental disability, medical condition, family care status, marital status, domestic partner status, sexual orientation, genetic information, military or veteran status, or any other basis protected by federal, state or local laws.  If you are unable to submit your application because of incompatible assistive technology or a disability, please contact us at accommodations-ext@23andme.com. 23andMe will reasonably accommodate qualified individuals with disabilities to the extent required by applicable law.

Please note: 23andMe does not accept agency resumes and we are not responsible for any fees related to unsolicited resumes. Thank you.