DUO tech stack
DUO builds mostly with Java, Bash, Python, ABAP. Its stack also includes Amazon S3, GitLab CI, SAP HANA, Spring Boot. Java is named in 3 of the 5 job postings DUO published in the last 12 months (60%). Counted by Alion from the job postings of DUO, updated Oct 13, 2026.
What programming languages does DUO use?
Java is named in 60% of job postings at DUO, followed by Bash (20%), Python (20%), ABAP (20%).
What frameworks and libraries does DUO use?
Spring Boot is named in 20% of job postings at DUO.
Spring Boot
1 20%
What cloud and platforms does DUO use?
Amazon S3 is named in 20% of job postings at DUO, followed by GitLab CI (20%), Kubernetes (20%), Linux (20%).
What developer tools does DUO use?
Git is named in 40% of job postings at DUO, followed by Ansible (20%), Jenkins (20%).
Which engineering practices does DUO ask for?
CI/CD is named in 40% of job postings at DUO, followed by Gitflow (20%), IAM (20%).
How does your stack fit DUO?
How modern is the DUO stack?
DUO scores 75 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: 0; legacy ones: 0.
How common is the DUO stack in its industry?
Share of the 702 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like DUO
Questions about the DUO tech stack
What programming languages does DUO use?
The languages named in DUO job postings are Java (60%), Bash (20%), Python (20%), ABAP (20%), as a share of the 5 postings of the last 12 months.
What cloud and platforms does DUO use?
The cloud and platforms named in DUO job postings are Amazon S3 (1), GitLab CI (1), Kubernetes (1) (postings in brackets).
Is the DUO tech stack changing?
No new technology has appeared in DUO job postings in the last six months.
How modern is the DUO tech stack?
DUO scores 75 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: 0; legacy ones: 0.
How does Alion know the DUO tech stack?
Alion reads every job posting DUO publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 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, "DUO tech stack: 17 technologies from 5 job postings", as of Oct 13, 2026. https://alion.io/company/duo-nl/technologies