Propel tech stack
Propel builds mostly with Python, JavaScript, TypeScript, Go. Its stack also includes PassKit, AWS, PostgreSQL, Redis. PassKit is named in 5 of the 8 job postings Propel published in the last 12 months (63%). Counted by Alion from the job postings of Propel, updated Oct 14, 2026.
What programming languages does Propel use?
Python is named in 50% of job postings at Propel, followed by JavaScript (38%), TypeScript (38%), Go (13%).
What frameworks and libraries does Propel use?
PassKit is named in 63% of job postings at Propel, followed by Flask (38%), Vue.js (38%).
What databases does Propel use?
PostgreSQL is named in 38% of job postings at Propel, followed by Redis (38%), Snowflake (25%).
What cloud and platforms does Propel use?
AWS is named in 50% of job postings at Propel, followed by Datadog (13%), Figma (13%), GitHub (13%).
AWS
4 50%
Datadog
1 13%
Figma
1 13%
GitHub
1 13%
GitHub Actions
1 13%
Kubernetes
1 13%
What developer tools does Propel use?
Helm is named in 13% of job postings at Propel, followed by Terraform (13%), Prometheus (13%), Sealed Secrets (13%).
What AI and ML technologies does Propel use?
Claude is named in 13% of job postings at Propel.
Claude
1 13%
Which engineering practices does Propel ask for?
A/B Testing is named in 13% of job postings at Propel, followed by CI/CD (13%), Platform Engineering (13%).
What does each Propel team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Propel?
How is the Propel 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 Propel stack?
Propel 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: 1; legacy ones: 0.
How common is the Propel stack in its industry?
Share of the 136 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Propel apart
Companies with a stack like Propel
Questions about the Propel tech stack
What programming languages does Propel use?
The languages named in Propel job postings are Python (50%), JavaScript (38%), TypeScript (38%), Go (13%), SQL (13%), as a share of the 8 postings of the last 12 months.
Does Propel use PassKit?
Yes. PassKit is named in 5 of 8 job postings (63%) and required in 5 of them.
What cloud and platforms does Propel use?
The cloud and platforms named in Propel job postings are AWS (4), Datadog (1), Figma (1) (postings in brackets).
What skills do you need for a Backend job at Propel?
Backend postings at Propel most often require AWS (3), Flask (3), JavaScript (3), PassKit (3), out of 3 postings in the last 12 months.
Is the Propel tech stack changing?
Yes. PassKit, Flask, PostgreSQL, Redis first appeared in Propel job postings in the last six months.
How modern is the Propel tech stack?
Propel 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: 1; legacy ones: 0.
How does Alion know the Propel tech stack?
Alion reads every job posting Propel publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 14, 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, "Propel tech stack: 26 technologies from 8 job postings", as of Oct 14, 2026. https://alion.io/company/propel-app/technologies