ACI Worldwide
Payment Processing & Gateways · Financial Software & Embedded Finance

ACI Worldwide tech stack

ACI Worldwide builds mostly with Java, Python, SQL, JavaScript. Its stack also includes Azure, Kubernetes, Angular, Oracle. Azure is named in 35 of the 75 job postings ACI Worldwide published in the last 12 months (47%). Counted by Alion from the job postings of ACI Worldwide, updated Nov 12, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 12, 2026
Technologies in use
159
Postings analysed
75
Open now
49
Modernity
79 /100
New in 6 months
8

What programming languages does ACI Worldwide use?

Java is named in 36% of job postings at ACI Worldwide, followed by Python (31%), SQL (20%), JavaScript (17%).

Java 27 36% required in 74% · 19 open now · since May 2026
Python 23 31% required in 70% · 18 open now · since May 2026
SQL 15 20% required in 93% · 8 open now · since Jun 2026
JavaScript 13 17% required in 46% · 6 open now · since Mar 2026
PowerShell 12 16% required in 50% · 10 open now · since May 2026
TypeScript 12 16% required in 42% · 6 open now · since Mar 2026
Bash 7 9% required in 71% · 6 open now · since Sep 2026
COBOL 6 8% required in 100% · 6 open now · since Jun 2026
Show all (16)
Groovy4
C#2
JCL2
Perl2
C++1
Kotlin1
Node JS1
Go1

What frameworks and libraries does ACI Worldwide use?

Angular is named in 15% of job postings at ACI Worldwide, followed by Spring Boot (11%), Hibernate (4%), JUnit (3%).

Angular 11 15% required in 82% · 5 open now · since Mar 2026
Spring Boot 8 11% required in 88% · 3 open now · since May 2026
Hibernate 3 4% required in 100% · 1 open now · since Jul 2026
JUnit 2 3% required in 100% · 1 open now · since Jun 2026
OpenTelemetry 2 3% required in 100% · 1 open now · since Jun 2026
ASP.NET Core 1 1% required in 100% · 1 open now · since Jul 2026
CUDA 1 1% required in 100% · 1 open now · since Sep 2026
Cypress 1 1% required in 100% · since Aug 2026
Show all (20)
Entity Framework Core1
Micrometer1
Mockito1
NumPy1
Pact1
Playwright1
PyTorch1
RxJS1
Scikit-learn1
Selenium1
Spring MVC1
Testcontainers1

What databases does ACI Worldwide use?

Oracle is named in 12% of job postings at ACI Worldwide, followed by PostgreSQL (11%), Db2 (7%), Cassandra (4%).

Oracle 9 12% required in 100% · 4 open now · since May 2026
PostgreSQL 8 11% required in 88% · 6 open now · since May 2026
Db2 5 7% required in 80% · 3 open now · since Aug 2026
Cassandra 3 4% required in 67% · 2 open now · since Jun 2026
MS SQL 2 3% required in 100% · 1 open now · since Jul 2026
MySQL 1 1% required in 100% · 1 open now · since Jun 2026

What cloud and platforms does ACI Worldwide use?

Azure is named in 47% of job postings at ACI Worldwide, followed by Kubernetes (39%), AWS (24%), Linux (20%).

Azure 35 47% required in 91% · 26 open now · since May 2026
Kubernetes 29 39% required in 79% · 20 open now · since May 2026
AWS 18 24% required in 100% · 12 open now · since May 2026
Linux 15 20% required in 93% · 10 open now · since May 2026
OpenShift 11 15% required in 100% · 6 open now · since May 2026
GCP 10 13% required in 80% · 6 open now · since Jun 2026
Grafana 10 13% required in 70% · 6 open now · since Jul 2026
Azure AKS 8 11% required in 100% · 6 open now · since Jun 2026
Show all (41)
Azure DevOps8
Unix7
GitHub6
Power BI6
GitHub Actions5
Apache Kafka5
Windows5
Amazon EKS4
OpenAI4
Bitbucket4
Datadog4
Dynatrace4
VMWare4
NATS3
Tableau3
RabbitMQ3
Google GKE2
SIEM2
SonarQube2
Windows Server2
Active Directory1
Akamai1
Anthropic1
Docker Swarm1
GitLab1
GitLab CI1
LDAP1
Red Hat1
Istio1
Linkerd1
New Relic1
Sonatype Nexus IQ1

And 1 more, each named in fewer postings.

What developer tools does ACI Worldwide use?

Copilot is named in 21% of job postings at ACI Worldwide, followed by Terraform (20%), Docker (17%), Cursor (16%).

Copilot 16 21% required in 56% · 13 open now · since Jun 2026
Terraform 15 20% required in 80% · 11 open now · since Jun 2026
Docker 13 17% required in 69% · 8 open now · since May 2026
Cursor 12 16% required in 50% · 9 open now · since Jun 2026
Git 11 15% required in 91% · 10 open now · since Jun 2026
Jenkins 11 15% required in 82% · 10 open now · since Jun 2026
Ansible 11 15% required in 64% · 11 open now · since May 2026
Prometheus 8 11% required in 75% · 6 open now · since Jun 2026
Show all (40)
ArgoCD6
Gradle5
Microsoft Excel5
Bicep4
Helm4
HashiCorp Vault4
CloudFormation3
FluxCD3
Maven3
Consul3
Gerrit3
Gitea3
JFrog Artifactory3
Nagios3
OpenSSL3
Puppet3
Rest API3
Apache Tomcat2
Apache HTTP Server1
CircleCI1
Claude Code1
External Secrets1
Gatling1
GraphQL1
JMeter1
Locust1
Model Context Protocol1
Vault1
cert-manager1
k61
FortiGate1
Kyverno1

What AI and ML technologies does ACI Worldwide use?

Claude is named in 17% of job postings at ACI Worldwide, followed by LLM (7%), ChatGPT (4%).

Claude 13 17% required in 46% · 12 open now · since Jun 2026
LLM 5 7% required in 60% · 3 open now · since May 2026
ChatGPT 3 4% required in 67% · 3 open now · since Aug 2026

Which engineering practices does ACI Worldwide ask for?

CI/CD is named in 44% of job postings at ACI Worldwide, followed by Platform Engineering (16%), Configuration Management (13%), GitOps (11%).

CI/CD 33 44% required in 94% · 25 open now · since May 2026
Platform Engineering 12 16% required in 100% · 10 open now · since May 2026
Configuration Management 10 13% required in 90% · 8 open now · since May 2026
GitOps 8 11% required in 100% · 7 open now · since May 2026
AI Agents 6 8% required in 100% · 2 open now · since Jul 2026
Anomaly Detection 5 7% required in 80% · 5 open now · since May 2026
RAG 5 7% required in 80% · 3 open now · since Jul 2026
Incident Management 4 5% required in 100% · 4 open now · since Aug 2026
Show all (32)
Service Mesh4
Machine Learning3
Prompt Engineering3
SOAP3
FinOps3
AIOps2
Clean Architecture2
DNS2
Progressive Delivery2
Synthetic Data2
BGP1
DHCP1
Dependency Injection1
Error Budget1
OSPF1
PKI1
Rolling Update1
SLI/SLO/SLA1
Self-Healing1
TCP/IP1
Trunk-Based Development1
Twelve-Factor App1
VPN1
Embeddings1

What other technologies does ACI Worldwide use?

VSAM is named in 3% of job postings at ACI Worldwide.

VSAM 2 3% required in 100% · 2 open now · since Aug 2026

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

23 postings
Java14
Angular8
Kubernetes8
Azure7
SQL7
Oracle6

DevOps

16 postings
Azure14
Kubernetes11
Python9
Terraform9
Linux7
Jenkins6

Leadership

6 postings
AWS3
Azure3
Kubernetes2

Product

5 postings
Azure4
Azure DevOps4
Power BI3
SQL3
Tableau3

Data Science

4 postings
Python3
AWS2
Azure2
CloudFormation2
Datadog2
GCP2

Enterprise Apps

3 postings
COBOL3
Java2
Linux2

See the open roles

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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.

First appeared
ConsulOct 2026
GerritOct 2026
GiteaOct 2026
JFrog ArtifactoryOct 2026
NagiosOct 2026
OpenSSLOct 2026
PuppetOct 2026
AIOpsOct 2026
Rising
Python17% → 40%
Linux10% → 26%
Bash0% → 16%
Unix0% → 14%
Db20% → 12%
PowerShell10% → 19%
Power BI3% → 12%
ArgoCD3% → 12%
Falling
AWS38% → 14%
Cursor31% → 7%
JavaScript28% → 9%
Java48% → 30%
GCP24% → 7%
Spring Boot21% → 5%
Copilot31% → 16%
TypeScript24% → 9%

How modern is the ACI Worldwide stack?

Cutting-edge AI adopter 79/100

ACI Worldwide scores 79 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 2,019 companies in the same industries, whose stack Alion knows, that use each technology.

Azure34%
Kubernetes43%
Java37%
Python56%
AWS48%
Linux30%
SQL62%
Claude25%
JavaScript50%
PowerShell14%

What sets ACI Worldwide apart

COBOL4%
Db23%
Dynatrace4%
Groovy2%
Cassandra4%
NATS2%

Questions about the ACI Worldwide tech stack

What programming languages does ACI Worldwide use?

The languages named in ACI Worldwide job postings are Java (36%), Python (31%), SQL (20%), JavaScript (17%), PowerShell (16%), as a share of the 75 postings of the last 12 months.

Does ACI Worldwide use Angular?

Yes. Angular is named in 11 of 75 job postings (15%) and required in 9 of them.

What cloud and platforms does ACI Worldwide use?

The cloud and platforms named in ACI Worldwide job postings are Azure (35), Kubernetes (29), AWS (18) (postings in brackets).

What skills do you need for a Backend job at ACI Worldwide?

Backend postings at ACI Worldwide most often require Java (14), Angular (8), Kubernetes (8), Azure (7), out of 23 postings in the last 12 months.

Is the ACI Worldwide tech stack changing?

Yes. Consul, Gerrit, Gitea, JFrog Artifactory first appeared in ACI Worldwide job postings in the last six months.

How modern is the ACI Worldwide tech stack?

ACI Worldwide scores 79 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 75 postings of the last 12 months and were updated on Nov 12, 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: 159 technologies from 75 job postings", as of Nov 12, 2026. https://alion.io/company/aci-worldwide/technologies

Licence: CC BY-SA 4.0JSON