Westpac NZ tech stack
Westpac NZ builds mostly with Python, SQL, Java, PowerShell. Its stack also includes Linux, Splunk, Snowflake, Spring Boot. Python is named in 15 of the 44 job postings Westpac NZ published in the last 12 months (34%). Counted by Alion from the job postings of Westpac NZ, updated Nov 11, 2026.
What programming languages does Westpac NZ use?
Python is named in 34% of job postings at Westpac NZ, followed by SQL (25%), Java (20%), PowerShell (11%).
Python
15 34%
SQL
11 25%
Java
9 20%
PowerShell
5 11%
JavaScript
4 9%
SAS
4 9%
TypeScript
4 9%
C#
3 7%
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What frameworks and libraries does Westpac NZ use?
Spring Boot is named in 7% of job postings at Westpac NZ, followed by React.js (7%), ASP.NET Core (2%), Hadoop (2%).
Spring Boot
3 7%
React.js
3 7%
ASP.NET Core
1 2%
Hadoop
1 2%
Hibernate
1 2%
Playwright
1 2%
Redux
1 2%
Rest-Assured
1 2%
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What databases does Westpac NZ use?
Snowflake is named in 9% of job postings at Westpac NZ, followed by Db2 (5%), MS SQL (2%), Oracle (2%).
What cloud and platforms does Westpac NZ use?
Linux is named in 20% of job postings at Westpac NZ, followed by Splunk (20%), Dynatrace (18%), Kubernetes (18%).
Splunk
9 20%
Dynatrace
8 18%
Kubernetes
8 18%
Power BI
7 16%
Azure
7 16%
Azure DevOps
4 9%
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What developer tools does Westpac NZ use?
Jenkins is named in 16% of job postings at Westpac NZ, followed by Ansible (11%), Docker (11%), Terraform (11%).
Jenkins
7 16%
Ansible
5 11%
Docker
5 11%
Terraform
5 11%
Git
4 9%
Prometheus
4 9%
Chef
3 7%
Show all (25)
What AI and ML technologies does Westpac NZ use?
LLM is named in 5% of job postings at Westpac NZ.
LLM
2 5%
Which engineering practices does Westpac NZ ask for?
CI/CD is named in 45% of job postings at Westpac NZ, followed by Platform Engineering (16%), DNS (7%), AI Agents (7%).
CI/CD
20 45%
Platform Engineering
7 16%
AI Agents
3 7%
Service Mesh
2 5%
Show all (14)
What does each Westpac NZ team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
9 postingsDevOps
8 postingsAnalytics
5 postingsData Science
4 postingsSecurity
3 postingsHow does your stack fit Westpac NZ?
How modern is the Westpac NZ stack?
Westpac NZ 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: 1; legacy ones: 0.
How common is the Westpac NZ stack in its industry?
Share of the 943 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Westpac NZ
Questions about the Westpac NZ tech stack
What programming languages does Westpac NZ use?
The languages named in Westpac NZ job postings are Python (34%), SQL (25%), Java (20%), PowerShell (11%), JavaScript (9%), as a share of the 44 postings of the last 12 months.
Does Westpac NZ use Spring Boot?
Yes. Spring Boot is named in 3 of 44 job postings (7%) and required in 3 of them.
What cloud and platforms does Westpac NZ use?
The cloud and platforms named in Westpac NZ job postings are Linux (9), Splunk (9), Dynatrace (8) (postings in brackets).
What skills do you need for a Backend job at Westpac NZ?
Backend postings at Westpac NZ most often require Java (4), Dynatrace (3), Splunk (3), Spring Boot (3), out of 9 postings in the last 12 months.
Is the Westpac NZ tech stack changing?
No new technology has appeared in Westpac NZ job postings in the last six months.
How modern is the Westpac NZ tech stack?
Westpac NZ 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: 1; legacy ones: 0.
How does Alion know the Westpac NZ tech stack?
Alion reads every job posting Westpac NZ publishes and tags the technologies each one names. The figures on this page count the 44 postings of the last 12 months and were updated on Nov 11, 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, "Westpac NZ tech stack: 103 technologies from 44 job postings", as of Nov 11, 2026. https://alion.io/company/westpac-nz/technologies