Caliza tech stack

Caliza builds mostly with Kotlin, SQL, Java, Python. Its stack also includes Spring Boot, OpenAI, RabbitMQ, PostgreSQL. Claude is named in 8 of the 17 job postings Caliza published in the last 12 months (47%). Counted by Alion from the job postings of Caliza, updated Oct 16, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 16, 2026
Technologies in use
30
Postings analysed
17
Open now
17
Modernity
76 /100
New in 6 months
7

What programming languages does Caliza use?

Kotlin is named in 18% of job postings at Caliza, followed by SQL (18%), Java (18%), Python (6%).

Kotlin 3 18% required in 100% · 3 open now · since Oct 2026
SQL 3 18% required in 100% · 3 open now · since May 2026
Java 3 18% required in 67% · 3 open now · since Oct 2026
Python 1 6% required in 100% · 1 open now · since Oct 2026
TypeScript 1 6% required in 100% · 1 open now · since Oct 2026

What frameworks and libraries does Caliza use?

Spring Boot is named in 18% of job postings at Caliza, followed by Redux Toolkit (6%), React.js (6%), Redux (6%).

Spring Boot 3 18% required in 67% · 3 open now · since Oct 2026
Redux Toolkit 1 6% required in 100% · 1 open now · since Oct 2026
React.js 1 6% optional · 1 open now · since Oct 2026
Redux 1 6% optional · 1 open now · since Oct 2026

What databases does Caliza use?

PostgreSQL is named in 12% of job postings at Caliza.

PostgreSQL 2 12% required in 100% · 2 open now · since Oct 2026

What cloud and platforms does Caliza use?

OpenAI is named in 12% of job postings at Caliza, followed by RabbitMQ (12%), AWS (6%), GitHub Actions (6%).

OpenAI 2 12% required in 100% · 2 open now · since May 2026
RabbitMQ 2 12% required in 50% · 2 open now · since Oct 2026
AWS 1 6% required in 100% · 1 open now · since Oct 2026
GitHub Actions 1 6% required in 100% · 1 open now · since Oct 2026
Kubernetes 1 6% required in 100% · 1 open now · since Oct 2026
New Relic 1 6% required in 100% · 1 open now · since Oct 2026

What developer tools does Caliza use?

AWS CDK is named in 6% of job postings at Caliza, followed by Helm (6%), Kong (6%), Rest API (6%).

AWS CDK 1 6% required in 100% · 1 open now · since Oct 2026
Helm 1 6% required in 100% · 1 open now · since Oct 2026
Kong 1 6% required in 100% · 1 open now · since Oct 2026
Rest API 1 6% required in 100% · 1 open now · since May 2026
Terraform 1 6% required in 100% · 1 open now · since Oct 2026
WebSockets 1 6% required in 100% · 1 open now · since Oct 2026
kubectl 1 6% required in 100% · 1 open now · since Oct 2026
Keycloak 1 6% optional · 1 open now · since Oct 2026

What AI and ML technologies does Caliza use?

Claude is named in 47% of job postings at Caliza.

Claude 8 47% required in 13% · 8 open now · since May 2026

Which engineering practices does Caliza ask for?

AI Agents is named in 88% of job postings at Caliza, followed by CI/CD (6%), SLI/SLO/SLA (6%), State Management (6%).

AI Agents 15 88% required in 100% · 15 open now · since Oct 2026
CI/CD 1 6% required in 100% · 1 open now · since Oct 2026
SLI/SLO/SLA 1 6% required in 100% · 1 open now · since Oct 2026
State Management 1 6% required in 100% · 1 open now · since Oct 2026

What other technologies does Caliza use?

Abstract is named in 47% of job postings at Caliza.

Abstract 8 47% required in 100% · 8 open now · since Oct 2026

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How is the Caliza 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
KotlinOct 2026
JavaOct 2026
Spring BootOct 2026
PostgreSQLOct 2026
RabbitMQOct 2026
AI AgentsOct 2026
AbstractOct 2026

How modern is the Caliza stack?

Cutting-edge AI adopter 76/100

Caliza scores 76 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 Caliza stack in its industry?

Share of the 1,414 companies in the same industries, whose stack Alion knows, that use each technology.

Claude28%
Java39%
Kotlin17%
SQL63%
Spring Boot19%
OpenAI11%
PostgreSQL43%
RabbitMQ16%
AWS51%
GitHub Actions19%

Questions about the Caliza tech stack

What programming languages does Caliza use?

The languages named in Caliza job postings are Kotlin (18%), SQL (18%), Java (18%), Python (6%), TypeScript (6%), as a share of the 17 postings of the last 12 months.

Does Caliza use Spring Boot?

Yes. Spring Boot is named in 3 of 17 job postings (18%) and required in 2 of them.

What cloud and platforms does Caliza use?

The cloud and platforms named in Caliza job postings are OpenAI (2), RabbitMQ (2), AWS (1) (postings in brackets).

Is the Caliza tech stack changing?

Yes. Kotlin, Java, Spring Boot, PostgreSQL first appeared in Caliza job postings in the last six months.

How modern is the Caliza tech stack?

Caliza scores 76 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 Caliza tech stack?

Alion reads every job posting Caliza publishes and tags the technologies each one names. The figures on this page count the 17 postings of the last 12 months and were updated on Oct 16, 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, "Caliza tech stack: 30 technologies from 17 job postings", as of Oct 16, 2026. https://alion.io/company/caliza/technologies

Licence: CC BY-SA 4.0JSON