Caspar Health tech stack

Caspar Health builds mostly with Ruby, TypeScript, JavaScript, SQL. Its stack also includes Ruby on Rails, PostgreSQL, React.js, AWS. Ruby is named in 7 of the 9 job postings Caspar Health published in the last 12 months (78%). Counted by Alion from the job postings of Caspar Health, updated Oct 31, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 31, 2026
Technologies in use
20
Postings analysed
9
Open now
3
Modernity
84 /100
New in 6 months
7

What programming languages does Caspar Health use?

Ruby is named in 78% of job postings at Caspar Health, followed by TypeScript (56%), JavaScript (33%), SQL (22%).

Ruby 7 78% optional · 2 open now · since Mar 2026
TypeScript 5 56% required in 100% · 2 open now · since Mar 2026
JavaScript 3 33% optional · 1 open now · since Mar 2026
SQL 2 22% required in 100% · 1 open now · since Oct 2026
Node JS 1 11% required in 100% · 1 open now · since Mar 2026

What frameworks and libraries does Caspar Health use?

Ruby on Rails is named in 78% of job postings at Caspar Health, followed by React.js (33%), Cypress (11%), React Native (11%).

Ruby on Rails 7 78% required in 100% · 2 open now · since Mar 2026
React.js 3 33% required in 67% · 1 open now · since Mar 2026
Cypress 1 11% required in 100% · 1 open now · since Mar 2026
React Native 1 11% required in 100% · 1 open now · since Mar 2026
Redux 1 11% required in 100% · 1 open now · since Mar 2026
RxJS 1 11% required in 100% · 1 open now · since Mar 2026

What databases does Caspar Health use?

PostgreSQL is named in 44% of job postings at Caspar Health.

PostgreSQL 4 44% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does Caspar Health use?

AWS is named in 22% of job postings at Caspar Health.

AWS 2 22% required in 100% · 1 open now · since Oct 2026

What developer tools does Caspar Health use?

FHIR is named in 22% of job postings at Caspar Health, followed by HL7 (22%), Rest API (22%).

FHIR 2 22% required in 100% · 1 open now · since Oct 2026
HL7 2 22% required in 100% · 1 open now · since Oct 2026
Rest API 2 22% required in 100% · 1 open now · since Oct 2026

What AI and ML technologies does Caspar Health use?

LLM is named in 22% of job postings at Caspar Health.

LLM 2 22% required in 100% · since Oct 2026

Which engineering practices does Caspar Health ask for?

AI Agents is named in 33% of job postings at Caspar Health, followed by CI/CD (11%), State Management (11%).

AI Agents 3 33% required in 33% · 2 open now · since Mar 2026
CI/CD 1 11% required in 100% · 1 open now · since Mar 2026
State Management 1 11% required in 100% · 1 open now · since Mar 2026

What does each Caspar Health team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Backend

4 postings
PostgreSQL4
Ruby on Rails4
TypeScript4
AWS2
FHIR2
HL72

See the open roles

How does your stack fit Caspar Health?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

How is the Caspar Health 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.

First appeared
LLMOct 2026
AWSOct 2026
FHIROct 2026
HL7Oct 2026
Rest APIOct 2026
SQLOct 2026
PostgreSQLSep 2026

How modern is the Caspar Health stack?

Cutting-edge AI adopter 84/100

Caspar Health scores 84 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 Caspar Health stack in its industry?

Share of the 682 companies in the same industries, whose stack Alion knows, that use each technology.

Ruby6%
Ruby on Rails4%
TypeScript41%
PostgreSQL29%
JavaScript46%
React.js33%
AWS45%
LLM35%
SQL46%
Cypress5%

What sets Caspar Health apart

Ruby on Rails4%

Questions about the Caspar Health tech stack

What programming languages does Caspar Health use?

The languages named in Caspar Health job postings are Ruby (78%), TypeScript (56%), JavaScript (33%), SQL (22%), Node JS (11%), as a share of the 9 postings of the last 12 months.

Does Caspar Health use Ruby on Rails?

Yes. Ruby on Rails is named in 7 of 9 job postings (78%) and required in 7 of them.

What cloud and platforms does Caspar Health use?

The cloud and platforms named in Caspar Health job postings are AWS (2) (postings in brackets).

What skills do you need for a Backend job at Caspar Health?

Backend postings at Caspar Health most often require PostgreSQL (4), Ruby on Rails (4), TypeScript (4), AWS (2), out of 4 postings in the last 12 months.

Is the Caspar Health tech stack changing?

Yes. LLM, AWS, FHIR, HL7 first appeared in Caspar Health job postings in the last six months.

How modern is the Caspar Health tech stack?

Caspar Health scores 84 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 Caspar Health tech stack?

Alion reads every job posting Caspar Health publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Oct 31, 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, "Caspar Health tech stack: 20 technologies from 9 job postings", as of Oct 31, 2026. https://alion.io/company/caspar-health-2/technologies

Licence: CC BY-SA 4.0JSON