ARSIEM tech stack

ARSIEM builds mostly with Python, JavaScript, Java, C++. Its stack also includes Kubernetes, AWS, ElasticSearch, Angular. Python is named in 16 of the 28 job postings ARSIEM published in the last 12 months (57%). Counted by Alion from the job postings of ARSIEM, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
96
Postings analysed
28
Open now
25
Modernity
82 /100
New in 6 months
8

What programming languages does ARSIEM use?

Python is named in 57% of job postings at ARSIEM, followed by JavaScript (18%), Java (14%), C++ (11%).

Python 16 57% required in 94% · 14 open now · since Jan 2022
JavaScript 5 18% required in 60% · 5 open now · since May 2026
Java 4 14% required in 100% · 4 open now · since Aug 2025
C++ 3 11% required in 100% · 3 open now · since Jan 2022
TypeScript 3 11% optional · 3 open now · since May 2026
Bash 1 4% required in 100% · since Jan 2022
Node JS 1 4% required in 100% · 1 open now · since Aug 2026
SQL 1 4% required in 100% · 1 open now · since Nov 2025

What frameworks and libraries does ARSIEM use?

Angular is named in 7% of job postings at ARSIEM, followed by Hadoop (7%), AutoGen (4%), CrewAI (4%).

Angular 2 7% required in 100% · 2 open now · since May 2026
Hadoop 2 7% required in 50% · 2 open now · since Jun 2026
AutoGen 1 4% required in 100% · 1 open now · since Jun 2026
CrewAI 1 4% required in 100% · 1 open now · since Jun 2026
Haystack 1 4% required in 100% · 1 open now · since Jun 2026
LangChain 1 4% required in 100% · 1 open now · since Jun 2026
LangGraph 1 4% required in 100% · 1 open now · since Jun 2026
LlamaIndex 1 4% required in 100% · 1 open now · since Jun 2026
Show all (14)
React.js1
RxJS1
Spring Boot1
Spring MVC1
Vue.js1
Selenium1

What databases does ARSIEM use?

ElasticSearch is named in 11% of job postings at ARSIEM, followed by Oracle (4%).

ElasticSearch 3 11% required in 100% · 3 open now · since May 2026
Oracle 1 4% required in 100% · 1 open now · since May 2026

What cloud and platforms does ARSIEM use?

Kubernetes is named in 32% of job postings at ARSIEM, followed by AWS (21%), Linux (18%), Spark (18%).

Kubernetes 9 32% required in 44% · 8 open now · since Nov 2025
AWS 6 21% required in 67% · 5 open now · since May 2026
Linux 5 18% required in 80% · 4 open now · since Jan 2023
Spark 5 18% optional · 5 open now · since Feb 2026
Splunk 4 14% required in 50% · 3 open now · since Jun 2026
GitLab 3 11% required in 100% · 3 open now · since Feb 2026
Unix 3 11% required in 100% · 2 open now · since Jan 2023
Windows 3 11% required in 100% · 3 open now · since Jan 2022
Show all (30)
Red Hat3
Amazon EKS2
OpenShift2
SIEM2
Airflow2
Rancher2
AWS Bedrock1
AWS Lambda1
Amazon EC21
Amazon S31
Amazon SageMaker1
Azure1
Hugging Face1
OpenAI1
Amazon CloudWatch1
Amazon Kinesis1
Apache Kafka1
Grafana1
NATS1
Prefect1
Ubuntu1
VMWare1

What developer tools does ARSIEM use?

Git is named in 25% of job postings at ARSIEM, followed by Docker (21%), pySpark (14%), Ansible (14%).

Git 7 25% required in 100% · 6 open now · since Mar 2026
Docker 6 21% required in 50% · 5 open now · since Nov 2025
pySpark 4 14% required in 100% · 4 open now · since Feb 2026
Ansible 4 14% required in 75% · 3 open now · since Nov 2025
Claude Code 3 11% optional · 2 open now · since Mar 2026
Podman 2 7% required in 100% · 2 open now · since Nov 2025
Wireshark 2 7% optional · 2 open now · since Jan 2022
Gradle 1 4% required in 100% · 1 open now · since May 2026
Show all (19)
GraphQL1
Maven1
Semantic Kernel1
Keycloak1
MinIO1
Model Context Protocol1
Nginx1
Prometheus1
Tcpdump1
Terraform1
Xilinx Vivado1

What AI and ML technologies does ARSIEM use?

LLM is named in 18% of job postings at ARSIEM, followed by Claude (4%).

LLM 5 18% required in 100% · 4 open now · since Mar 2026
Claude 1 4% optional · since May 2026

Which engineering practices does ARSIEM ask for?

CI/CD is named in 25% of job postings at ARSIEM, followed by Machine Learning (18%), RAG (18%), Fine-tuning (11%).

CI/CD 7 25% required in 57% · 6 open now · since Mar 2026
Machine Learning 5 18% required in 100% · 4 open now · since Feb 2026
RAG 5 18% required in 80% · 4 open now · since Mar 2026
Fine-tuning 3 11% required in 100% · 2 open now · since Mar 2026
Configuration Management 2 7% required in 100% · 2 open now · since Nov 2025
ETL/ELT 2 7% required in 100% · 2 open now · since Jun 2026
Incident Management 2 7% required in 100% · 2 open now · since Nov 2025
AI Agents 2 7% required in 50% · 2 open now · since Jun 2026
Show all (21)
Agentic Workflows1
DNS1
Function Calling1
IAM1
LLM Evaluation1
LLM Guardrails1
PKI1
Prompt Engineering1
TCP/IP1
Tool Use1
Wi-Fi1
Embeddings1
Human-in-the-Loop1

What does each ARSIEM team work with?

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

Backend

8 postings
Python7
Java4
GitLab3
pySpark3
AWS2
Angular2

AI/ML

7 postings
Python6
LLM5
Git3

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How much does ARSIEM pay by technology?

Median stated pay of the postings that name each technology, against the median of all ARSIEM postings with stated pay: $214k across 22 postings.

TechnologyPostings with payMedianvs company median
Python15$214k0%
Kubernetes6$213k−1%
JavaScript5$216k+1%
AWS5$214k0%
LLM5$214k0%

How is the ARSIEM 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
AirflowAug 2026
RancherAug 2026
SplunkJun 2026
ETL/ELTJun 2026
HadoopJun 2026
AI AgentsJun 2026
JavaScriptMay 2026
TypeScriptMay 2026
Not named for 6 months
Incident ManagementFeb 2026

How modern is the ARSIEM stack?

Cutting-edge AI adopter 82/100

ARSIEM scores 82 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: 2; legacy ones: 0.

How common is the ARSIEM stack in its industry?

Share of the 2,193 companies in the same industries, whose stack Alion knows, that use each technology.

Python60%
Kubernetes47%
AWS50%
JavaScript58%
LLM33%
Linux39%
Spark20%
Java41%
Splunk13%
C++18%

Questions about the ARSIEM tech stack

What programming languages does ARSIEM use?

The languages named in ARSIEM job postings are Python (57%), JavaScript (18%), Java (14%), C++ (11%), TypeScript (11%), as a share of the 28 postings of the last 12 months.

Does ARSIEM use Angular?

Yes. Angular is named in 2 of 28 job postings (7%) and required in 2 of them.

What cloud and platforms does ARSIEM use?

The cloud and platforms named in ARSIEM job postings are Kubernetes (9), AWS (6), Linux (5) (postings in brackets).

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

Backend postings at ARSIEM most often require Python (7), Java (4), GitLab (3), pySpark (3), out of 8 postings in the last 12 months.

Is the ARSIEM tech stack changing?

Yes. Airflow, Rancher, Splunk, ETL/ELT first appeared in ARSIEM job postings in the last six months.

How modern is the ARSIEM tech stack?

ARSIEM scores 82 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: 2; legacy ones: 0.

How does Alion know the ARSIEM tech stack?

Alion reads every job posting ARSIEM publishes and tags the technologies each one names. The figures on this page count the 28 postings of the last 12 months and were updated on Sep 28, 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, "ARSIEM tech stack: 96 technologies from 28 job postings", as of Sep 28, 2026. https://alion.io/company/arsiem/technologies

Licence: CC BY-SA 4.0JSON