HeartFlow tech stack
HeartFlow builds mostly with Python, JavaScript, SQL, TypeScript. Its stack also includes AWS, Tableau, Amazon Redshift, Django. Python is named in 28 of the 55 job postings HeartFlow published in the last 12 months (51%). Counted by Alion from the job postings of HeartFlow, updated Nov 12, 2026.
What programming languages does HeartFlow use?
Python is named in 51% of job postings at HeartFlow, followed by JavaScript (15%), SQL (13%), TypeScript (13%).
C++ 
Show all (12)
What frameworks and libraries does HeartFlow use?
Django is named in 7% of job postings at HeartFlow, followed by Pact (7%), Playwright (7%), Rest-Assured (7%).
Django
4 7%
Pact
4 7%
Playwright
4 7%
Rest-Assured
4 7%
Selenium
4 7%
Statsmodels
3 5%
SQLAlchemy
3 5%
Angular
2 4%
Show all (17)
What databases does HeartFlow use?
Amazon Redshift is named in 7% of job postings at HeartFlow, followed by Amazon Aurora (5%), Memcached (5%), MySQL (5%).
Amazon Redshift
4 7%
Amazon Aurora
3 5%
Memcached
3 5%
MySQL
3 5%
PostgreSQL
3 5%
Redis
3 5%
Google BigQuery
1 2%
Snowflake
1 2%
What cloud and platforms does HeartFlow use?
AWS is named in 49% of job postings at HeartFlow, followed by Tableau (16%), Kubernetes (15%), GitHub Actions (13%).
AWS
27 49%
Tableau
9 16%
Kubernetes
8 15%
GitHub Actions
7 13%
AWS Lambda
4 7%
Amazon EKS
4 7%
Show all (23)
What developer tools does HeartFlow use?
HL7 is named in 15% of job postings at HeartFlow, followed by Terraform (15%), DICOM (13%), Copilot (13%).
Terraform
8 15%
Copilot
7 13%
Docker
5 9%
Gatling
4 7%
Show all (29)
What AI and ML technologies does HeartFlow use?
LLM is named in 16% of job postings at HeartFlow, followed by Claude (9%), ChatGPT (4%).
Which engineering practices does HeartFlow ask for?
CI/CD is named in 36% of job postings at HeartFlow, followed by Design Controls (16%), AI Agents (16%), IEC 62304 (15%).
CI/CD
20 36%
AI Agents
9 16%
Show all (32)
What does each HeartFlow team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
7 postingsBackend
6 postingsData Science
5 postingsAnalytics
5 postingsQA
5 postingsHow does your stack fit HeartFlow?
How much does HeartFlow pay by technology?
Median stated pay of the postings that name each technology, against the median of all HeartFlow postings with stated pay: $215k across 42 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 24 | $215k | 0% |
| Python | 22 | $215k | 0% |
| JavaScript | 8 | $205k | −5% |
| LLM | 7 | $215k | 0% |
| TypeScript | 7 | $205k | −5% |
| Kubernetes | 7 | $200k | −7% |
| GitHub Actions | 7 | $200k | −7% |
| C++ | 6 | $190k | −12% |
| Tableau | 6 | $178k | −17% |
How is the HeartFlow 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 HeartFlow stack?
HeartFlow scores 81 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: 3; legacy ones: 0.
How common is the HeartFlow stack in its industry?
Share of the 519 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HeartFlow apart
Companies with a stack like HeartFlow
Questions about the HeartFlow tech stack
What programming languages does HeartFlow use?
The languages named in HeartFlow job postings are Python (51%), JavaScript (15%), SQL (13%), TypeScript (13%), C++ (11%), as a share of the 55 postings of the last 12 months.
Does HeartFlow use Django?
Yes. Django is named in 4 of 55 job postings (7%) and required in 4 of them.
What cloud and platforms does HeartFlow use?
The cloud and platforms named in HeartFlow job postings are AWS (27), Tableau (9), Kubernetes (8) (postings in brackets).
What skills do you need for a Industrial Engineering job at HeartFlow?
Industrial Engineering postings at HeartFlow most often require DICOM (2), FHIR (2), HL7 (2), out of 7 postings in the last 12 months.
Is the HeartFlow tech stack changing?
Yes. ChatGPT, Linux, Bash, Git first appeared in HeartFlow job postings in the last six months.
How modern is the HeartFlow tech stack?
HeartFlow scores 81 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: 3; legacy ones: 0.
How does Alion know the HeartFlow tech stack?
Alion reads every job posting HeartFlow publishes and tags the technologies each one names. The figures on this page count the 55 postings of the last 12 months and were updated on Nov 12, 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, "HeartFlow tech stack: 124 technologies from 55 job postings", as of Nov 12, 2026. https://alion.io/company/heartflow/technologies