Jack Henry tech stack
Jack Henry builds mostly with SQL, C#, Go, JavaScript. Its stack also includes GCP, Azure, PostgreSQL, MS SQL. SQL is named in 37 of the 93 job postings Jack Henry published in the last 12 months (40%). Counted by Alion from the job postings of Jack Henry, updated Nov 11, 2026.
What programming languages does Jack Henry use?
SQL is named in 40% of job postings at Jack Henry, followed by C# (28%), Go (13%), JavaScript (13%).
SQL
37 40%
C#
26 28%
Go
12 13%
JavaScript
12 13%
PowerShell
9 10%
TypeScript
9 10%
Python
8 9%
Java
8 9%
Show all (16)
What frameworks and libraries does Jack Henry use?
OpenTelemetry is named in 5% of job postings at Jack Henry, followed by Angular (4%), Selenium (3%), Redux (1%).
OpenTelemetry
5 5%
Angular
4 4%
Selenium
3 3%
Redux
1 1%
Ionic
1 1%
JQuery
1 1%
Jetpack Compose
1 1%
Microsoft Orleans
1 1%
Show all (11)
What databases does Jack Henry use?
PostgreSQL is named in 8% of job postings at Jack Henry, followed by MS SQL (8%), MySQL (3%), Db2 (3%).
PostgreSQL
7 8%
MS SQL
7 8%
MySQL
3 3%
Db2
3 3%
Google BigQuery
2 2%
Google Cloud Spanner
2 2%
Oracle
1 1%
Apache Hudi
1 1%
Show all (11)
What cloud and platforms does Jack Henry use?
GCP is named in 33% of job postings at Jack Henry, followed by Azure (30%), AWS (20%), Kubernetes (16%).
GCP
31 33%
Azure
28 30%
AWS
19 20%
Kubernetes
15 16%
.NET
9 10%
GitHub
8 9%
GitHub Actions
6 6%
Show all (35)
What developer tools does Jack Henry use?
Terraform is named in 13% of job postings at Jack Henry, followed by Rest API (9%), Docker (9%), Ansible (5%).
Terraform
12 13%
Rest API
8 9%
Docker
8 9%
Ansible
5 5%
Copilot
4 4%
Prometheus
4 4%
ArgoCD
3 3%
Show all (28)
What AI and ML technologies does Jack Henry use?
LLM is named in 3% of job postings at Jack Henry, followed by Gemini (1%).
Which engineering practices does Jack Henry ask for?
CI/CD is named in 15% of job postings at Jack Henry, followed by IAM (5%), GitOps (5%), Incident Management (5%).
CI/CD
14 15%
GitOps
5 5%
Incident Management
5 5%
AI Agents
5 5%
SLI/SLO/SLA
4 4%
Platform Engineering
2 2%
Show all (15)
What other technologies does Jack Henry use?
VSAM is named in 1% of job postings at Jack Henry, followed by Kotlin Coroutines (1%).
Kotlin Coroutines
1 1%
What does each Jack Henry team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
26 postingsDevOps
9 postingsSecurity
8 postingsAnalytics
7 postingsFinance
7 postingsHow does your stack fit Jack Henry?
How much does Jack Henry pay by technology?
Median stated pay of the postings that name each technology, against the median of all Jack Henry postings with stated pay: $100k across 28 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| C# | 12 | $108k | +8% |
| SQL | 9 | $100k | 0% |
| JavaScript | 6 | $99k | −1% |
| .NET | 5 | $100k | 0% |
| PHP | 5 | $100k | 0% |
How modern is the Jack Henry stack?
Jack Henry scores 78 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: 2; legacy ones: 0.
How common is the Jack Henry stack in its industry?
Share of the 1,717 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Jack Henry apart
Companies with a stack like Jack Henry
Questions about the Jack Henry tech stack
What programming languages does Jack Henry use?
The languages named in Jack Henry job postings are SQL (40%), C# (28%), Go (13%), JavaScript (13%), PowerShell (10%), as a share of the 93 postings of the last 12 months.
Does Jack Henry use OpenTelemetry?
Yes. OpenTelemetry is named in 5 of 93 job postings (5%) and required in 2 of them.
What cloud and platforms does Jack Henry use?
The cloud and platforms named in Jack Henry job postings are GCP (31), Azure (28), AWS (19) (postings in brackets).
What skills do you need for a Backend job at Jack Henry?
Backend postings at Jack Henry most often require C# (13), SQL (10), Go (6), Java (4), out of 26 postings in the last 12 months.
Is the Jack Henry tech stack changing?
No new technology has appeared in Jack Henry job postings in the last six months.
How modern is the Jack Henry tech stack?
Jack Henry scores 78 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: 2; legacy ones: 0.
How does Alion know the Jack Henry tech stack?
Alion reads every job posting Jack Henry publishes and tags the technologies each one names. The figures on this page count the 93 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, "Jack Henry tech stack: 120 technologies from 93 job postings", as of Nov 11, 2026. https://alion.io/company/jack-henry/technologies