ARSIEM tech stack
ARSIEM builds mostly with Python, Java, JavaScript, C++. Its stack also includes AWS, Kubernetes, ElasticSearch, React.js. Python is named in 31 of the 51 job postings ARSIEM published in the last 12 months (61%). Counted by Alion from the job postings of ARSIEM, updated Nov 13, 2026.
What programming languages does ARSIEM use?
Python is named in 61% of job postings at ARSIEM, followed by Java (20%), JavaScript (20%), C++ (12%).
Python
31 61%
Java
10 20%
JavaScript
10 20%
C++
6 12%
Bash
5 10%
SQL
4 8%
TypeScript
4 8%
Node JS
2 4%
Show all (11)
What frameworks and libraries does ARSIEM use?
React.js is named in 8% of job postings at ARSIEM, followed by Vue.js (8%), Angular (6%), Hadoop (6%).
React.js
4 8%
Vue.js
4 8%
Angular
3 6%
Hadoop
3 6%
Spring Boot
2 4%
AutoGen
1 2%
CrewAI
1 2%
Haystack
1 2%
Show all (17)
What databases does ARSIEM use?
ElasticSearch is named in 12% of job postings at ARSIEM, followed by MongoDB (6%), Oracle (4%), Amazon Redshift (2%).
ElasticSearch
6 12%
MongoDB
3 6%
Oracle
2 4%
Amazon Redshift
1 2%
Apache Solr
1 2%
HBase
1 2%
MySQL
1 2%
PostgreSQL
1 2%
What cloud and platforms does ARSIEM use?
AWS is named in 31% of job postings at ARSIEM, followed by Kubernetes (29%), Linux (22%), GitLab (12%).
AWS
16 31%
Kubernetes
15 29%
GitLab
6 12%
Splunk
6 12%
Spark
6 12%
Show all (43)
And 3 more, each named in fewer postings.
What developer tools does ARSIEM use?
Docker is named in 25% of job postings at ARSIEM, followed by Git (22%), Ansible (16%), pySpark (10%).
Docker
13 25%
Git
11 22%
Ansible
8 16%
pySpark
5 10%
Rest API
4 8%
Terraform
4 8%
Podman
4 8%
Claude Code
4 8%
Show all (31)
What AI and ML technologies does ARSIEM use?
LLM is named in 12% of job postings at ARSIEM, followed by Claude (2%).
Which engineering practices does ARSIEM ask for?
CI/CD is named in 25% of job postings at ARSIEM, followed by Machine Learning (12%), RAG (12%), ETL/ELT (8%).
Show all (21)
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
22 postingsAI/ML
7 postingsDevOps
5 postingsHow does your stack fit ARSIEM?
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 34 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 22 | $214k | 0% |
| AWS | 10 | $215k | 0% |
| Kubernetes | 9 | $214k | 0% |
| Java | 9 | $214k | 0% |
| JavaScript | 6 | $228k | +6% |
| LLM | 6 | $227k | +6% |
| C++ | 6 | $201k | −6% |
| Linux | 6 | $189k | −12% |
| GitLab | 5 | $214k | 0% |
| Spark | 5 | $214k | 0% |
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.
How modern is the ARSIEM stack?
ARSIEM scores 80 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 12,338 companies in the same industries, whose stack Alion knows, that use each technology.
What sets ARSIEM apart
Companies with a stack like ARSIEM
Cyber, Data Analytics & Engineering Services
105 shared technologies
Nightwing
127 shared technologies
GRVTY
127 shared technologies
Markon Solutions
107 shared technologies
Agile Defense
112 shared technologies
Mitsubishi UFJ Financial Group
126 shared technologies
Trend Micro
115 shared technologies
Parsons
127 shared technologies
Questions about the ARSIEM tech stack
What programming languages does ARSIEM use?
The languages named in ARSIEM job postings are Python (61%), Java (20%), JavaScript (20%), C++ (12%), Bash (10%), as a share of the 51 postings of the last 12 months.
Does ARSIEM use React.js?
Yes. React.js is named in 4 of 51 job postings (8%) and required in 1 of them.
What cloud and platforms does ARSIEM use?
The cloud and platforms named in ARSIEM job postings are AWS (16), Kubernetes (15), Linux (11) (postings in brackets).
What skills do you need for a Backend job at ARSIEM?
Backend postings at ARSIEM most often require Python (18), AWS (9), Java (8), Kubernetes (8), out of 22 postings in the last 12 months.
Is the ARSIEM tech stack changing?
Yes. MongoDB, Azure, Node JS, Airflow first appeared in ARSIEM job postings in the last six months.
How modern is the ARSIEM tech stack?
ARSIEM scores 80 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 51 postings of the last 12 months and were updated on Nov 13, 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: 133 technologies from 51 job postings", as of Nov 13, 2026. https://alion.io/company/arsiem/technologies