Software Engineering Intern, BillionToOne
$25 per hour
2-3 days a week in office (Menlo Park, CA)
Precision diagnostics for disease detection
Be an early applicant
Precision diagnostics for disease detection
501-1000 employees
Be an early applicant
$25 per hour
2-3 days a week in office (Menlo Park, CA)
501-1000 employees
Company mission
To make molecular diagnostics more accurate, efficient, and accessible.
Role
Who you are
- Currently enrolled in a Bachelor's or Master's degree program in Computer Science or related field
- Demonstrated programming experience with Python through coursework or projects
- Basic understanding of databases (SQL) and web development concepts
- Strong problem-solving skills and eagerness to learn
- Clear written and verbal communication skills
- Available for full-time summer internship (10-12 weeks)
- Excited about working in-person with our team in Menlo Park (2-3 days/week)
- Passionately curious about the fields of healthcare and biotechnology
Desirable
- Previous project experience (personal, academic, or hackathon projects)
- Familiarity with any web framework (Django, Flask, etc.)
- Basic understanding of version control (Git)
- Experience working with LLMs (GPT, Claude, etc.)
- Experience working with REST APIs
- Basic understanding of cloud services concepts
- Experience with prompt engineering or LLM application development
What the job involves
- We are seeking a passionate and motivated Software Engineering Intern to join our dynamic engineering team for a summer internship program
- As an intern, you'll work alongside experienced engineers, clinicians, and computational biologists across multiple product lines, contributing to meaningful projects that help scale personalized genomic medicine to millions of patients
- This is an excellent opportunity to gain hands-on experience in healthcare technology while making a real impact on patient care
- Write clean, well-documented code following team standards and best practices
- Participate in code reviews and contribute to technical discussions
- Create and maintain comprehensive test suites for your code
- Document your work and contribute to technical documentation
- Present your projects and findings to the team
Our take
BillionToOne is a precision diagnostics company. Its proprietary molecular counting platform (Quantitative Counting Templates) accurately counts DNA molecules at the single-count level, which has the ability to significantly improve disease detection. While initially focused on prenatal screening and oncological liquid biopsies, the company’s QTC technology is highly scalable and has the ability to make vast improvements to a range of disease detection verticals.
The company’s funding efforts - most notably a 2025 IPO - will enable it to focus on further development and commercialisation of its noninvasive prenatal screening test and oncology products. However, it will need to maintain a strategic outlook, prioritising areas with higher testing frequencies to maximise patient benefit and balance test development costs.
BillionToOne has an important role to play in improving healthcare equity. As more promising peer-reviewed research studies are conducted and providers increase confidence in the company’s tests, BillionToOne has significant growth potential.
Freddie
Company Specialist at Welcome to the Jungle
Insights
32% employee growth in 12 months
Company
Funding (last 2 of 5 rounds)
Jan 2026
$30m
SERIES C
Dec 2022
$5m
SERIES B
Total funding: $73.3m
Company benefits
- Suite of benefit plans
- Paid Medical, Pregnancy, Parental and Family Leaves
- Retirement savings program with Company contribution
- Generous equity package
- Free daily on-site lunches provided from top eateries
- Latest and greatest hardware (laptop, lab equipment, facilities)
- Free on-site EV charging (compatible with all EVs, including Tesla!)
- Working with a team of ‘rockstars’ who bring out the best in everyone
- The ability to indirectly or directly change the lives of hundreds of thousand patients
- Open, transparent culture that includes weekly Town Hall meetings
Company HQ
Menlo Park, CA
Leadership
Oguzhan Atay, PhD
(Co-Founder & CEO)Former Graduate Fellow at Stanford University (Department of Biology). They also spent time as a Researcher at the University of Oxford.
David Tsao
(Co-Founder & CTO)Former Technical Staff Member at Groupon and Software Engineer at Adku. They also worked as an Engineering Intern at Northrop Grumman Aerospace Systems.
Salary benchmarks
We don't have enough data yet to provide salary benchmarks for this role.
Submit your salary to help other candidates with crowdsourced salary estimates.
Share this job
View 13 more jobs at BillionToOne