Legion tech stack
Legion builds mostly with Bash, Python, Go, Perl. Its stack also includes AWS, Amazon EKS, Amazon Aurora, ElasticSearch. Bash is named in 2 of the 4 job postings Legion published in the last 12 months (50%). Counted by Alion from the job postings of Legion, updated Oct 18, 2026.
What programming languages does Legion use?
Bash is named in 50% of job postings at Legion, followed by Python (50%), Go (25%), Perl (25%).
What databases does Legion use?
Amazon Aurora is named in 25% of job postings at Legion, followed by ElasticSearch (25%), MySQL (25%).
What cloud and platforms does Legion use?
AWS is named in 50% of job postings at Legion, followed by Amazon EKS (50%), CentOS Stream (50%), Kubernetes (50%).
AWS
2 50%
Amazon EKS
2 50%
CentOS Stream
2 50%
Kubernetes
2 50%
Ubuntu
2 50%
AWS Lambda
1 25%
Show all (16)
What developer tools does Legion use?
Terraform is named in 50% of job postings at Legion, followed by Ansible (25%), Chef (25%), CloudFormation (25%).
Terraform
2 50%
Ansible
1 25%
Chef
1 25%
CloudFormation
1 25%
Docker
1 25%
Git
1 25%
Jenkins
1 25%
Logstash
1 25%
Show all (13)
What AI and ML technologies does Legion use?
LLM is named in 25% of job postings at Legion.
LLM
1 25%
Which engineering practices does Legion ask for?
AI Agents is named in 75% of job postings at Legion, followed by CI/CD (50%), Agentic Workflows (25%), Configuration Management (25%).
AI Agents
3 75%
CI/CD
2 50%
Configuration Management
1 25%
Incident Management
1 25%
Show all (9)
How does your stack fit Legion?
How modern is the Legion stack?
Legion scores 72 out of 100 (Modern). 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 Legion stack in its industry?
Share of the 599 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Legion
The American Legion
47 shared technologies
Qube Research & Technologies
38 shared technologies
LexisNexis Risk Solutions
39 shared technologies
Markon Solutions
40 shared technologies
Nasdaq
41 shared technologies
Cerebras Systems
41 shared technologies
Swift
38 shared technologies
AST SpaceMobile
39 shared technologies
Questions about the Legion tech stack
What programming languages does Legion use?
The languages named in Legion job postings are Bash (50%), Python (50%), Go (25%), Perl (25%), as a share of the 4 postings of the last 12 months.
Does Legion use AWS?
Yes. AWS is named in 2 of 4 job postings (50%) and required in 2 of them.
What cloud and platforms does Legion use?
The cloud and platforms named in Legion job postings are AWS (2), Amazon EKS (2), CentOS Stream (2) (postings in brackets).
Is the Legion tech stack changing?
No new technology has appeared in Legion job postings in the last six months.
How modern is the Legion tech stack?
Legion scores 72 out of 100 (Modern). 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 Legion tech stack?
Alion reads every job posting Legion publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 18, 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, "Legion tech stack: 46 technologies from 4 job postings", as of Oct 18, 2026. https://alion.io/company/legion-3/technologies