BillionToOne tech stack
BillionToOne builds mostly with Python, TypeScript, JavaScript, SQL. Its stack also includes AWS, Amazon EC2, PostgreSQL, Django. Python is named in 6 of the 14 job postings BillionToOne published in the last 12 months (43%). Counted by Alion from the job postings of BillionToOne, updated Oct 1, 2026.
What programming languages does BillionToOne use?
Python is named in 43% of job postings at BillionToOne, followed by TypeScript (7%), JavaScript (7%), SQL (7%).
What frameworks and libraries does BillionToOne use?
Django is named in 7% of job postings at BillionToOne, followed by Playwright (7%), React.js (7%).
What databases does BillionToOne use?
PostgreSQL is named in 7% of job postings at BillionToOne.
PostgreSQL
1 7%
What cloud and platforms does BillionToOne use?
AWS is named in 14% of job postings at BillionToOne, followed by Amazon EC2 (7%), Amazon S3 (7%), Windows (7%).
What developer tools does BillionToOne use?
Microsoft Excel is named in 14% of job postings at BillionToOne, followed by SOPS (7%), Storybook (7%), npm (7%).
What AI and ML technologies does BillionToOne use?
ChatGPT is named in 7% of job postings at BillionToOne, followed by Claude (7%).
Which engineering practices does BillionToOne ask for?
A/B Testing is named in 7% of job postings at BillionToOne, followed by Machine Learning (7%), VPN (7%).
How does your stack fit BillionToOne?
How is the BillionToOne stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the BillionToOne stack?
BillionToOne scores 86 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How common is the BillionToOne stack in its industry?
Share of the 928 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like BillionToOne
Questions about the BillionToOne tech stack
What programming languages does BillionToOne use?
The languages named in BillionToOne job postings are Python (43%), TypeScript (7%), JavaScript (7%), SQL (7%), as a share of the 14 postings of the last 12 months.
Does BillionToOne use AWS?
Yes. AWS is named in 2 of 14 job postings (14%) and required in 1 of them.
What cloud and platforms does BillionToOne use?
The cloud and platforms named in BillionToOne job postings are AWS (2), Amazon EC2 (1), Amazon S3 (1) (postings in brackets).
Is the BillionToOne tech stack changing?
Yes. Microsoft Excel, Python, AWS first appeared in BillionToOne job postings in the last six months.
How modern is the BillionToOne tech stack?
BillionToOne scores 86 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How does Alion know the BillionToOne tech stack?
Alion reads every job posting BillionToOne publishes and tags the technologies each one names. The figures on this page count the 14 postings of the last 12 months and were updated on Oct 1, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "BillionToOne tech stack: 24 technologies from 14 job postings", as of Oct 1, 2026. https://alion.io/company/billiontoone/technologies