Eleven tech stack
Eleven builds mostly with Java, Kotlin, Python, TypeScript. Its stack also includes AWS, Apache Kafka, OpenSearch, ElasticSearch. AWS is named in 2 of the 8 job postings Eleven published in the last 12 months (25%). Counted by Alion from the job postings of Eleven, updated Oct 31, 2026.
What programming languages does Eleven use?
Java is named in 13% of job postings at Eleven, followed by Kotlin (13%), Python (13%), TypeScript (13%).
What frameworks and libraries does Eleven use?
Playwright is named in 13% of job postings at Eleven, followed by Pytest (13%).
What databases does Eleven use?
OpenSearch is named in 25% of job postings at Eleven, followed by ElasticSearch (13%), Redis (13%).
What cloud and platforms does Eleven use?
AWS is named in 25% of job postings at Eleven, followed by Apache Kafka (25%), Kibana (25%), Linux (25%).
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What developer tools does Eleven use?
Altium Designer is named in 13% of job postings at Eleven, followed by Docker (13%), Git (13%), Logstash (13%).
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Which engineering practices does Eleven ask for?
CI/CD is named in 25% of job postings at Eleven, followed by Computer Vision (25%).
How does your stack fit Eleven?
How modern is the Eleven stack?
Eleven scores 74 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: 0; legacy ones: 0.
Companies with a stack like Eleven
Questions about the Eleven tech stack
What programming languages does Eleven use?
The languages named in Eleven job postings are Java (13%), Kotlin (13%), Python (13%), TypeScript (13%), as a share of the 8 postings of the last 12 months.
Does Eleven use AWS?
Yes. AWS is named in 2 of 8 job postings (25%) and required in 2 of them.
What cloud and platforms does Eleven use?
The cloud and platforms named in Eleven job postings are AWS (2), Apache Kafka (2), Kibana (2) (postings in brackets).
Is the Eleven tech stack changing?
No new technology has appeared in Eleven job postings in the last six months.
How modern is the Eleven tech stack?
Eleven scores 74 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: 0; legacy ones: 0.
How does Alion know the Eleven tech stack?
Alion reads every job posting Eleven publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 31, 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, "Eleven tech stack: 31 technologies from 8 job postings", as of Oct 31, 2026. https://alion.io/company/eleven-9/technologies
