TransUnion tech stack
TransUnion builds mostly with SQL, Python, Java, JavaScript. Its stack also includes GCP, AWS, Google BigQuery, Hadoop. SQL is named in 94 of the 247 job postings TransUnion published in the last 12 months (38%). Counted by Alion from the job postings of TransUnion, updated Sep 27, 2026.
What programming languages does TransUnion use?
SQL is named in 38% of job postings at TransUnion, followed by Python (31%), Java (17%), JavaScript (11%).
C# 
SAS Show all (21)
What frameworks and libraries does TransUnion use?
Hadoop is named in 8% of job postings at TransUnion, followed by Spring Boot (4%), Vue.js (3%), Angular (3%).
Hadoop
19 8%
Spring Boot
10 4%
Vue.js
7 3%
Angular
7 3%
React.js
7 3%
ASP.NET Core
6 2%
JUnit
4 2%
Spring Framework
4 2%
Show all (47)
And 7 more, each named in fewer postings.
What databases does TransUnion use?
Google BigQuery is named in 8% of job postings at TransUnion, followed by PostgreSQL (7%), BigQuery (5%), MySQL (3%).
Google BigQuery
19 8%
PostgreSQL
17 7%
BigQuery
13 5%
MySQL
7 3%
Snowflake
7 3%
MS SQL
6 2%
Oracle
5 2%
Cassandra
3 1%
Show all (22)
What cloud and platforms does TransUnion use?
GCP is named in 27% of job postings at TransUnion, followed by AWS (24%), Kubernetes (15%), Azure (14%).
GCP
66 27%
AWS
60 24%
Kubernetes
37 15%
Azure
34 14%
Spark
30 12%
Power BI
27 11%
Tableau
15 6%
Show all (73)
And 33 more, each named in fewer postings.
What developer tools does TransUnion use?
Microsoft Excel is named in 21% of job postings at TransUnion, followed by Git (11%), Docker (10%), Terraform (8%).
Git
28 11%
Docker
25 10%
Terraform
19 8%
Rest API
18 7%
Jenkins
13 5%
Prometheus
11 4%
Copilot
8 3%
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And 11 more, each named in fewer postings.
What AI and ML technologies does TransUnion use?
LLM is named in 5% of job postings at TransUnion, followed by Claude (1%), Falcon (<1%), Llama (<1%).
Which engineering practices does TransUnion ask for?
CI/CD is named in 23% of job postings at TransUnion, followed by Machine Learning (13%), ETL/ELT (8%), Platform Engineering (6%).
CI/CD
56 23%
Platform Engineering
16 6%
Incident Management
14 6%
AI Agents
13 5%
SLI/SLO/SLA
11 4%
Show all (50)
And 10 more, each named in fewer postings.
What does each TransUnion team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
43 postingsBackend
36 postingsFinance
27 postingsDevOps
19 postingsData Science
18 postingsProduct
17 postingsHow does your stack fit TransUnion?
How much does TransUnion pay by technology?
Median stated pay of the postings that name each technology, against the median of all TransUnion postings with stated pay: $182k across 75 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 23 | $141k | −22% |
| Python | 21 | $150k | −18% |
| AWS | 19 | $188k | +3% |
| GCP | 16 | $188k | +3% |
| Kubernetes | 12 | $188k | +3% |
| Java | 11 | $141k | −22% |
| Linux | 10 | $155k | −15% |
| Azure | 7 | $238k | +30% |
| LLM | 7 | $188k | +3% |
| Spark | 7 | $131k | −28% |
How is the TransUnion 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 TransUnion stack?
TransUnion 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: 6; legacy ones: 0.
How common is the TransUnion stack in its industry?
Share of the 153 companies in the same industries, whose stack Alion knows, that use each technology.
What sets TransUnion apart
Companies with a stack like TransUnion
Questions about the TransUnion tech stack
What programming languages does TransUnion use?
The languages named in TransUnion job postings are SQL (38%), Python (31%), Java (17%), JavaScript (11%), C# (6%), as a share of the 247 postings of the last 12 months.
Does TransUnion use Hadoop?
Yes. Hadoop is named in 19 of 247 job postings (8%) and required in 14 of them.
What cloud and platforms does TransUnion use?
The cloud and platforms named in TransUnion job postings are GCP (66), AWS (60), Kubernetes (37) (postings in brackets).
What skills do you need for a Analytics job at TransUnion?
Analytics postings at TransUnion most often require SQL (30), Python (18), Power BI (9), Microsoft Excel (8), out of 43 postings in the last 12 months.
Is the TransUnion tech stack changing?
Yes. Spring Security, SonarQube, Spring Cloud, Testcontainers first appeared in TransUnion job postings in the last six months.
How modern is the TransUnion tech stack?
TransUnion 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: 6; legacy ones: 0.
How does Alion know the TransUnion tech stack?
Alion reads every job posting TransUnion publishes and tags the technologies each one names. The figures on this page count the 247 postings of the last 12 months and were updated on Sep 27, 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, "TransUnion tech stack: 270 technologies from 247 job postings", as of Sep 27, 2026. https://alion.io/company/transunion/technologies