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NAB Tech Stack

Major Australian bank scaling fraud detection and digital banking platforms

Banking Melbourne, Victoria 10,001+ employees Public Company

NAB is a 10,000+ person Australian banking group actively modernizing its core systems. The tech stack reveals heavy investment in testing infrastructure (Karate, Cypress, Selenium, JUnit, TestBench tooling) and observability (Prometheus, Grafana, Elasticsearch), paired with Java/Spring Boot backend and Kafka event streaming—typical of large financial institutions mid-migration from monoliths to microservices. Active projects around fraud detection, microservice rationalization, and digital personalization, combined with finance and support departments dominating hiring, signal operational scaling and compliance-driven engineering work.

Tech Stack 109 technologies

Core StackPower BI Prometheus Grafana Elasticsearch Java JavaScript Cypress Python Selenium JUnit Kafka PostgreSQL AWS Docker Kubernetes Jenkins Ruby Scala Excel Harness Karate Cucumber TestNG Rest Assured Mockito Spring Boot WireMock Azure Perl JMeter+79 more

AdoptingBazel

What NAB Is Building

◆Challenges

Portfolio health
Sustainable growth across diversified portfolio
Reducing microservice duplication
Improving asset quality
Compliance requirements
Moving governance into code
Risk compliance controls
Reducing fraud
Customer advocacy
Ensuring integrity and accuracy of system data

▲Active Projects

Early warning and fraud detection system
Digital sales personalisation program
Automation-first governance controls
Evolve nabserv platform roadmap
In-life management analytics solution
Smarter banking options
Yearly business plans
Microservice rationalization
Rationalize microservice duplication
Business development strategy

Hiring Activity

Accelerating410 roles · 180 in 30d

Department

Finance

168

Support

81

Sales

44

Engineering

26

Ops

12

Data

11

Research

8

Security

8

Seniority

Junior

128

Senior

120

Mid

61

Manager

43

Lead

18

Director

13

Principal

8

VP

7

Notable leadership hires: Head of Business Lending, Associate Director, Head of Risk, Director, Audit Head

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About NAB

NAB (National Australia Bank) is Australia's largest retail and wholesale banking group, headquartered in Melbourne. The organization serves consumers and businesses across retail banking, lending, and financial products in Australia and New Zealand. With 10,000+ employees and 407 active job openings, hiring is accelerating across finance, support, and engineering functions. Core infrastructure spans AWS, Azure, Kubernetes, and PostgreSQL, with recent adoption of Bazel for build optimization. Current initiatives focus on early warning and fraud detection systems, digital sales personalization, microservice consolidation (addressing documented duplication), and automation-first governance controls—indicating a push toward both customer experience modernization and internal operational efficiency.

HeadquartersMelbourne, Victoria

Company Size10,001+ employees

Hiring MarketsAustralia, India, United States

Frequently Asked Questions

What is NAB's tech stack?

Java, Spring Boot, Kafka, PostgreSQL, AWS, Azure, Kubernetes, Docker, Prometheus, Grafana, Elasticsearch. Testing layer includes Karate, Cypress, Selenium, TestNG, JUnit. Recently adopting Bazel.