Calliere tech stack

Calliere builds mostly with Python, JavaScript, TypeScript, SQL. Its stack also includes AWS, Azure, React.js, Angular. Python is named in 13 of the 27 job postings Calliere published in the last 12 months (48%). Counted by Alion from the job postings of Calliere, updated Oct 15, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 15, 2026
Technologies in use
80
Postings analysed
27
Open now
27
Modernity
77 /100
New in 6 months
8

What programming languages does Calliere use?

Python is named in 48% of job postings at Calliere, followed by JavaScript (44%), TypeScript (30%), SQL (22%).

Python 13 48% required in 92% · 13 open now · since Feb 2026
JavaScript 12 44% required in 67% · 12 open now · since Jul 2026
TypeScript 8 30% required in 63% · 8 open now · since Jul 2026
SQL 6 22% required in 100% · 6 open now · since Feb 2026
C# 5 19% required in 80% · 5 open now · since Jul 2026
Go 4 15% required in 75% · 4 open now · since Feb 2026
Java 4 15% required in 75% · 4 open now · since Feb 2026
Node JS 4 15% required in 75% · 4 open now · since Jul 2026
Show all (14)
C++2
Kotlin2
PHP1
Scala1
R1
Ruby1

What frameworks and libraries does Calliere use?

React.js is named in 26% of job postings at Calliere, followed by Angular (11%), ASP.NET Core (7%), Bootstrap (7%).

React.js 7 26% required in 86% · 7 open now · since Jul 2026
Angular 3 11% required in 67% · 3 open now · since Jul 2026
ASP.NET Core 2 7% required in 100% · 2 open now · since Jul 2026
Bootstrap 2 7% required in 50% · 2 open now · since Jul 2026
Django 1 4% required in 100% · 1 open now · since Jun 2026
Entity Framework Core 1 4% required in 100% · 1 open now · since Aug 2026
FastAPI 1 4% required in 100% · 1 open now · since Oct 2026
Flask 1 4% required in 100% · 1 open now · since Jun 2026
Show all (15)
JQuery1
Next.js1
Plotly1
Shiny1
Vue.js1
LangChain1
LlamaIndex1

What databases does Calliere use?

PostgreSQL is named in 7% of job postings at Calliere, followed by Amazon DocumentDB (4%), Snowflake (4%), Redis (4%).

PostgreSQL 2 7% required in 100% · 2 open now · since Mar 2026
Amazon DocumentDB 1 4% required in 100% · 1 open now · since Jul 2026
Snowflake 1 4% required in 100% · 1 open now · since Sep 2026
Redis 1 4% optional · 1 open now · since Aug 2026

What cloud and platforms does Calliere use?

AWS is named in 30% of job postings at Calliere, followed by Azure (26%), Kubernetes (19%), GCP (11%).

AWS 8 30% required in 75% · 8 open now · since Feb 2026
Azure 7 26% required in 100% · 7 open now · since Feb 2026
Kubernetes 5 19% required in 60% · 5 open now · since Mar 2026
GCP 3 11% required in 67% · 3 open now · since Feb 2026
Linux 2 7% required in 100% · 2 open now · since Apr 2026
Apache Kafka 2 7% required in 50% · 2 open now · since Jun 2026
Amazon ECS 2 7% optional · 2 open now · since Jun 2026
.NET 1 4% required in 100% · 1 open now · since Jul 2026
Show all (20)
Azure DevOps1
Microsoft Fabric1
Power BI1
Spark1
Unix1
AWS Lambda1
Amazon S31
Docker Swarm1
GitHub1
MLFlow1
RabbitMQ1
Windows Server1

What developer tools does Calliere use?

GraphQL is named in 11% of job postings at Calliere, followed by Rest API (11%), Copilot (7%), Terraform (7%).

GraphQL 3 11% required in 67% · 3 open now · since Jul 2026
Rest API 3 11% required in 67% · 3 open now · since Jul 2026
Copilot 2 7% required in 100% · 2 open now · since Jun 2026
Terraform 2 7% required in 50% · 2 open now · since Jun 2026
Docker 2 7% optional · 2 open now · since Jul 2026
Git 2 7% optional · 2 open now · since Jul 2026
Claude Code 1 4% required in 100% · 1 open now · since Jul 2026
Pulumi 1 4% required in 100% · 1 open now · since Jul 2026
Show all (9)
Semantic Kernel1

What AI and ML technologies does Calliere use?

LLM is named in 19% of job postings at Calliere.

LLM 5 19% required in 40% · 5 open now · since Jun 2026

Which engineering practices does Calliere ask for?

CI/CD is named in 26% of job postings at Calliere, followed by AI Agents (11%), Platform Engineering (11%), Clean Architecture (7%).

CI/CD 7 26% required in 86% · 7 open now · since Mar 2026
AI Agents 3 11% required in 100% · 3 open now · since Jun 2026
Platform Engineering 3 11% required in 100% · 3 open now · since Jul 2026
Clean Architecture 2 7% required in 100% · 2 open now · since Jun 2026
ETL/ELT 2 7% required in 100% · 2 open now · since Apr 2026
LLM Guardrails 2 7% required in 100% · 2 open now · since Aug 2026
Time Series Forecasting 2 7% required in 100% · 2 open now · since Jun 2026
RAG 2 7% required in 50% · 2 open now · since Jul 2026
Show all (17)
Embeddings2
Anomaly Detection1
Machine Learning1
Shift-Left1
Function Calling1
PKI1
Prompt Engineering1
Structured Outputs1
Tool Use1

What does each Calliere team work with?

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

Backend

17 postings
Python7
JavaScript6
SQL6
Azure5
React.js5
AWS4

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How is the Calliere 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
EmbeddingsAug 2026
LLM GuardrailsAug 2026
C++Aug 2026
KotlinAug 2026
RAGJul 2026
Platform EngineeringJul 2026
AngularJul 2026
DockerJul 2026
Rising
Python33% → 62%
Java0% → 23%
TypeScript25% → 38%
Falling
AI Agents25% → 0%
SQL25% → 8%
Kubernetes25% → 8%

How modern is the Calliere stack?

Cutting-edge AI adopter 77/100

Calliere scores 77 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 Calliere stack in its industry?

Share of the 343 companies in the same industries, whose stack Alion knows, that use each technology.

Python46%
JavaScript32%
AWS33%
TypeScript24%
Azure35%
React.js21%
SQL43%
C#22%
Kubernetes28%
LLM26%

Questions about the Calliere tech stack

What programming languages does Calliere use?

The languages named in Calliere job postings are Python (48%), JavaScript (44%), TypeScript (30%), SQL (22%), C# (19%), as a share of the 27 postings of the last 12 months.

Does Calliere use React.js?

Yes. React.js is named in 7 of 27 job postings (26%) and required in 6 of them.

What cloud and platforms does Calliere use?

The cloud and platforms named in Calliere job postings are AWS (8), Azure (7), Kubernetes (5) (postings in brackets).

What skills do you need for a Backend job at Calliere?

Backend postings at Calliere most often require Python (7), JavaScript (6), SQL (6), Azure (5), out of 17 postings in the last 12 months.

Is the Calliere tech stack changing?

Yes. Embeddings, LLM Guardrails, C++, Kotlin first appeared in Calliere job postings in the last six months.

How modern is the Calliere tech stack?

Calliere scores 77 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 Calliere tech stack?

Alion reads every job posting Calliere publishes and tags the technologies each one names. The figures on this page count the 27 postings of the last 12 months and were updated on Oct 15, 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, "Calliere tech stack: 80 technologies from 27 job postings", as of Oct 15, 2026. https://alion.io/company/callieregroup/technologies

Licence: CC BY-SA 4.0JSON