HKEX tech stack
HKEX builds mostly with Java, Python, SQL, JavaScript. Its stack also includes Linux, Kubernetes, Spring Boot, React.js. Java is named in 28 of the 71 job postings HKEX published in the last 12 months (39%). Counted by Alion from the job postings of HKEX, updated Oct 12, 2026.
What programming languages does HKEX use?
Java is named in 39% of job postings at HKEX, followed by Python (37%), SQL (23%), JavaScript (15%).
Java
28 39%
Python
26 37%
SQL
16 23%
JavaScript
11 15%
C++
7 10%
PowerShell
4 6%
Scala
4 6%
Bash
3 4%
Show all (15)
What frameworks and libraries does HKEX use?
Spring Boot is named in 11% of job postings at HKEX, followed by React.js (8%), Selenium (7%), JUnit (4%).
Spring Boot
8 11%
React.js
6 8%
Selenium
5 7%
JUnit
3 4%
OpenTelemetry
2 3%
Dagster
1 1%
Flink
1 1%
Hibernate
1 1%
Show all (12)
What databases does HKEX use?
PostgreSQL is named in 6% of job postings at HKEX, followed by Redis (4%), Db2 (3%), Oracle (3%).
PostgreSQL
4 6%
Redis
3 4%
Db2
2 3%
Oracle
2 3%
Apache Doris
1 1%
Apache Iceberg
1 1%
ClickHouse
1 1%
Couchbase
1 1%
Show all (12)
What cloud and platforms does HKEX use?
Linux is named in 34% of job postings at HKEX, followed by Kubernetes (30%), Apache Kafka (23%), OpenShift (14%).
Kubernetes
21 30%
Apache Kafka
16 23%
OpenShift
10 14%
AWS
8 11%
Power BI
7 10%
Azure
7 10%
ActiveMQ
6 8%
Show all (40)
What developer tools does HKEX use?
Kong is named in 14% of job postings at HKEX, followed by Git (14%), Ansible (11%), Jenkins (11%).
Kong
10 14%
Git
10 14%
Ansible
8 11%
Jenkins
8 11%
Docker
7 10%
Terraform
6 8%
Helm
6 8%
Prometheus
6 8%
Show all (31)
Which engineering practices does HKEX ask for?
CI/CD is named in 34% of job postings at HKEX, followed by Incident Management (13%), DNS (8%), IAM (6%).
Show all (28)
What does each HKEX team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Leadership
16 postingsFinance
11 postingsDevOps
9 postingsAnalytics
9 postingsBackend
7 postingsManagement
6 postingsHow does your stack fit HKEX?
How is the HKEX 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 HKEX stack?
HKEX scores 71 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 HKEX stack in its industry?
Share of the 368 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HKEX apart
Companies with a stack like HKEX
Depository Trust & Clearing Corporation
110 shared technologies
Northern Trust
105 shared technologies
United Overseas Bank
101 shared technologies
Momentum Engineering
87 shared technologies
Scotiabank
109 shared technologies
Miratech
92 shared technologies
PNC Financial Services Group
101 shared technologies
Spektrum Group
87 shared technologies
Questions about the HKEX tech stack
What programming languages does HKEX use?
The languages named in HKEX job postings are Java (39%), Python (37%), SQL (23%), JavaScript (15%), C++ (10%), as a share of the 71 postings of the last 12 months.
Does HKEX use Spring Boot?
Yes. Spring Boot is named in 8 of 71 job postings (11%) and required in 6 of them.
What cloud and platforms does HKEX use?
The cloud and platforms named in HKEX job postings are Linux (24), Kubernetes (21), Apache Kafka (16) (postings in brackets).
What skills do you need for a Leadership job at HKEX?
Leadership postings at HKEX most often require Java (6), Kubernetes (6), Apache Kafka (5), Linux (5), out of 16 postings in the last 12 months.
Is the HKEX tech stack changing?
Yes. Splunk, SIEM, OpenStack, VMWare first appeared in HKEX job postings in the last six months.
How modern is the HKEX tech stack?
HKEX scores 71 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 HKEX tech stack?
Alion reads every job posting HKEX publishes and tags the technologies each one names. The figures on this page count the 71 postings of the last 12 months and were updated on Oct 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, "HKEX tech stack: 139 technologies from 71 job postings", as of Oct 12, 2026. https://alion.io/company/hkexgroup/technologies