About this opportunity
BillionToOne lists this Senior Software Engineer, Digital Experiences (Prenatal) opportunity in menlo park, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Senior Software Engineer, Prenatal
Software engineers at BillionToOne work in highly collaborative and interdisciplinary teams of clinicians, computational biologists, and other engineers to robustly scale personalized genomic medicine to millions of patients. If you have experience performing in a full life‑cycle development, love seeing your work positively affect your colleagues and patients, and thrive in a fast‑paced entrepreneurial environment, this could be a great opportunity for you. This role is hybrid (onsite 2‑3 days/week).
Projects You May Work On Include
Build a seamless digital experience so clinicians and patients across a diversity of care centers and socioeconomic status can have access to BillionToOne’s highly complex genetic testing
Help digitize laborious and error‑prone paper‑based workflows at busy OBGYN clinics
Enable better transfer of care through portable electronic medical records
Infuse joyful experiences into pregnancy
Technologies we use include: Python, Django, Postgres, React, Typescript, AWS, Salesforce, and emerging AI‑assisted coding environments (e.g., Cursor, GitHub Copilot, Claude Code).
Responsibilities
Build and maintain robust applications and systems using React, Typescript, Django, Postgres, and other libraries.
Collaborate with product design and product management to deliver delightful experiences for patients and providers.
Foster a knowledge‑sharing culture within the team, contributing to the growth and development of colleagues through mentorship and collaborative learning.
Demonstrate a creative and out‑of‑the‑box mindset, offering innovative solutions and approaches to complex technical challenges.
Prioritize quality by writing comprehensive unit tests and ensuring adequate test coverage across all components and modules.
Demonstrate a strong sense of ownership and take responsibility for end‑to‑end project delivery. The ideal candidate will thrive in an environment where they have the autonomy to make informed decisions and take the initiative to drive projects forward.
Champion engineering excellence through architectural best practices, code quality standards, and thoughtful code reviews that emphasize both functionality and security.
Apply a security and compliance mindset ensuring adherence to relevant regulations while implementing appropriate safeguards for sensitive patient information.
Confidently challenge ideas and assumptions from stakeholders when necessary, while at the same time, leverage their expertise and insights to improve the overall solution.
Requirements
5+ years of professional software development experience with a proven track record of delivering complex projects and adhering to best practices
Deep experience with modern frontend technologies, specifically with Typescript, React, and CSS‑in‑JS libraries
Have implemented frontend architecture best practices such as component systems, npm workspaces, Storybook, and Playwright testing
Experience with web frameworks such as Django
Familiarity with modern AI‑driven development practices and tools.
Excited about working in‑person with our team in Menlo Park
Nice‑to‑haves
Previous startup or entrepreneurial experience
Experience in driving products from zero to one
Familiarity with healthcare data and standards like FHIR and HL7
Interest in engaging with and applying LLMs
Benefits And Perks
Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
Open, transparent culture that includes weekly Town Hall meetings
The ability to indirectly or directly change the lives of hundreds of thousands patients
Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
Supplemental fertility benefits coverage
Retirement savings program including a 4% Company match
Increase paid time off with increased tenure
Latest and greatest hardware (laptop, lab equipment, facilities)
Daily on‑site lunches provided from top eateries
A variety of perks on campus (state of the art gym, restaurant)
Free on‑site EV charging (compatible with all EVs, including Tesla)
For this position, we offer a total compensation package of $297,321 per year, including a base pay range of $190,081 - $211,201 per year.
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Worksite address
menlo park, CA, 94029, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.