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BillionToOne
The genetic testing platform detecting and measuring disease.
Last verified August 17, 2026 · Updated daily
Open roles at BillionToOne
Nothing live right now. We re-check BillionToOne daily and this page updates the moment they post.
Want their roles the day they go up, before the job boards index them?
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A role stays uncontested for about four days. Here's the window — and where we put you in it.
From $9/month, cancel any time.
Watching BillionToOne
0 applicantsRole spotted & verified
1You get the alert
1You've applied
~8Hits the job boards
250+Working at BillionToOne
Founded in , BillionToOne is The genetic testing platform detecting and measuring disease.. They're now 200+ people. For a Healthcare, Diagnostics company this size, the reality is structured teams, established process, and a hiring bar set by an internal rubric.
The majority of roles are in Menlo Park, CA, USA.
How to actually get hired at BillionToOne
Why applying the normal way doesn't work
Applications to BillionToOne number in the thousands. Referrals and internal moves fill most roles. The portal is necessary but not sufficient.
Who to contact at BillionToOne
No verified contact route for BillionToOne yet. Based on size (200+) and sector (Healthcare, Diagnostics), a recruiter or hiring manager is likely the decision-maker, but treat this as a model.
What BillionToOne screens for
relevant experience and ability to operate autonomously
A tailored CV beats a generic one. Use BillionToOne's job description language to clear filters.
Mistakes that kill BillionToOne applications
Generic CVs stand out at a 200+-person company — and not in a good way. Fastest path to rejection.
Skip 'I'm looking for...' — start with is growing and your specific angle on solving it.
Applying and waiting = silence. Follow up at day five — it roughly doubles your odds of a reply.
Applying to BillionToOne? Get the contact, not the form.
The BillionToOne interview process
5 stages · 21 days typical · take-home: no · modelled from similar companies
We don't yet have verified candidate reports for BillionToOne. What follows is the typical process for a 200+-person Healthcare, Diagnostics company — treat it as a model, not confirmed detail.
Interview stages
Recruiter Screen
Phone · 30 min
Initial qualification
Recruiter
Hiring Manager Screen
Video call · 45 min
Role fit and team alignment
Hiring manager
Technical Interview
Video call · 60 min
Technical skills assessment
Senior IC or tech lead
Panel Interview
Video or in-person · 90 min
Cross-functional assessment
Multiple team members
Executive/Final Round
In-person preferred · 45 min
Culture and leadership alignment
VP or Director
BillionToOne interview timeline
Timeline: ~ days. That's faster than the Healthcare, Diagnostics median (25 days at 200+ people).
Interviewed at BillionToOne?
Tell us how it went — stages, questions, timeline. Takes 90 seconds and it's how this page stays accurate for the next person.
Submit your BillionToOne interview experience →BillionToOne jobs, frequently asked questions
Is BillionToOne hiring right now?
We aren't tracking any live BillionToOne vacancies today. We re-check daily and this page updates as soon as a role appears.
How do I apply for a job at BillionToOne?
Apply via the links above. For tips, read our guide on how to get hired at BillionToOne.
Does BillionToOne respond to cold emails?
Response rate data for BillionToOne not yet confirmed.
Who is the hiring manager at BillionToOne?
At this size, hiring is usually run by a recruiter or hiring manager.
What ATS does BillionToOne use?
BillionToOne uses Greenhouse.
How competitive is it to get hired at BillionToOne?
Typical applicant count for Healthcare, Diagnostics roles (200+ people): 300-500 in two weeks. Apply fast.
How many rounds is the BillionToOne interview?
5 stages: Recruiter Screen, Hiring Manager Screen, Technical Interview, Panel Interview, Executive/Final Round.
Is the BillionToOne interview hard?
Expect relevant experience and culture fit, not algorithm trivia. Candidates report Final Round as the toughest stage.
Does BillionToOne give a take-home task?
No, BillionToOne does not include a take-home stage.
How long does BillionToOne take to get back to you?
Around 21 days across the full process.
What should I prepare for the BillionToOne interview?
relevant experience and culture fit is the priority. Show you can work autonomously — that matters more than algorithms at 200+ people.
Where is BillionToOne based?
BillionToOne is headquartered in Menlo Park, CA, USA.
Get BillionToOne roles before they're posted
A role stays uncontested for about four days. Here's the window — and where we put you in it.
From $9/month, cancel any time.
Watching BillionToOne
0 applicantsRole spotted & verified
1You get the alert
1You've applied
~8Hits the job boards
250+