ACI Worldwide tech stack
ACI Worldwide builds mostly with Java, Python, SQL, JavaScript. Its stack also includes Azure, Kubernetes, PostgreSQL, Angular. Azure is named in 22 of the 50 job postings ACI Worldwide published in the last 12 months (44%). Counted by Alion from the job postings of ACI Worldwide, updated Sep 27, 2026.
What programming languages does ACI Worldwide use?
Java is named in 34% of job postings at ACI Worldwide, followed by Python (26%), SQL (18%), JavaScript (18%).
Java
17 34%
Python
13 26%
SQL
9 18%
JavaScript
9 18%
PowerShell
9 18%
TypeScript
8 16%
COBOL
6 12%
Bash
3 6%
Show all (14)
What frameworks and libraries does ACI Worldwide use?
Angular is named in 14% of job postings at ACI Worldwide, followed by Spring Boot (12%), Hibernate (4%), OpenTelemetry (4%).
Angular
7 14%
Spring Boot
6 12%
Hibernate
2 4%
OpenTelemetry
2 4%
ASP.NET Core
1 2%
Cypress
1 2%
JUnit
1 2%
Show all (16)
What databases does ACI Worldwide use?
PostgreSQL is named in 14% of job postings at ACI Worldwide, followed by Oracle (12%), Cassandra (6%), Db2 (6%).
What cloud and platforms does ACI Worldwide use?
Azure is named in 44% of job postings at ACI Worldwide, followed by Kubernetes (38%), AWS (24%), Linux (18%).
Azure
22 44%
Kubernetes
19 38%
AWS
12 24%
OpenShift
8 16%
GCP
7 14%
Azure DevOps
6 12%
Azure AKS
5 10%
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What developer tools does ACI Worldwide use?
Copilot is named in 20% of job postings at ACI Worldwide, followed by Docker (18%), Cursor (18%), Terraform (16%).
Copilot
10 20%
Docker
9 18%
Cursor
9 18%
Terraform
8 16%
Git
7 14%
Jenkins
7 14%
Ansible
6 12%
Prometheus
4 8%
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What AI and ML technologies does ACI Worldwide use?
Claude is named in 18% of job postings at ACI Worldwide, followed by ChatGPT (6%), LLM (6%).
Which engineering practices does ACI Worldwide ask for?
CI/CD is named in 42% of job postings at ACI Worldwide, followed by AI Agents (14%), Configuration Management (12%), Platform Engineering (12%).
CI/CD
21 42%
AI Agents
7 14%
Configuration Management
6 12%
Platform Engineering
6 12%
GitOps
4 8%
Prompt Engineering
3 6%
RAG
3 6%
Show all (27)
What other technologies does ACI Worldwide use?
VSAM is named in 4% of job postings at ACI Worldwide.
What does each ACI Worldwide team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
16 postingsDevOps
10 postingsProduct
5 postingsEnterprise Apps
3 postingsData Science
3 postingsHow does your stack fit ACI Worldwide?
How is the ACI Worldwide 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 ACI Worldwide stack?
ACI Worldwide 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: 3; legacy ones: 0.
How common is the ACI Worldwide stack in its industry?
Share of the 719 companies in the same industries, whose stack Alion knows, that use each technology.
What sets ACI Worldwide apart
Companies with a stack like ACI Worldwide
Questions about the ACI Worldwide tech stack
What programming languages does ACI Worldwide use?
The languages named in ACI Worldwide job postings are Java (34%), Python (26%), SQL (18%), JavaScript (18%), PowerShell (18%), as a share of the 50 postings of the last 12 months.
Does ACI Worldwide use Angular?
Yes. Angular is named in 7 of 50 job postings (14%) and required in 7 of them.
What cloud and platforms does ACI Worldwide use?
The cloud and platforms named in ACI Worldwide job postings are Azure (22), Kubernetes (19), AWS (12) (postings in brackets).
What skills do you need for a Backend job at ACI Worldwide?
Backend postings at ACI Worldwide most often require Java (10), Angular (7), Kubernetes (7), Azure (5), out of 16 postings in the last 12 months.
Is the ACI Worldwide tech stack changing?
Yes. Perl, Bash, Incident Management, ChatGPT first appeared in ACI Worldwide job postings in the last six months.
How modern is the ACI Worldwide tech stack?
ACI Worldwide 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: 3; legacy ones: 0.
How does Alion know the ACI Worldwide tech stack?
Alion reads every job posting ACI Worldwide publishes and tags the technologies each one names. The figures on this page count the 50 postings of the last 12 months and were updated on Sep 27, 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, "ACI Worldwide tech stack: 138 technologies from 50 job postings", as of Sep 27, 2026. https://alion.io/company/aci-worldwide/technologies