Walmart tech stack
Walmart builds mostly with Python, SQL, Java, Scala. Its stack also includes Spark, Tableau, TensorFlow, Scikit-learn. Python is named in 127 of the 298 job postings Walmart published in the last 12 months (43%). Counted by Alion from the job postings of Walmart, updated Sep 27, 2026.
What programming languages does Walmart use?
Python is named in 43% of job postings at Walmart, followed by SQL (38%), Java (23%), Scala (17%).
Python
127 43%
SQL
113 38%
Java
68 23%
Scala
52 17%
JavaScript
46 15%
C++
20 7%
TypeScript
15 5%
Node JS
15 5%
Show all (26)
What frameworks and libraries does Walmart use?
TensorFlow is named in 10% of job postings at Walmart, followed by Scikit-learn (9%), Spring Boot (9%), React.js (6%).
TensorFlow
31 10%
Scikit-learn
28 9%
Spring Boot
26 9%
React.js
18 6%
Matplotlib
11 4%
Hadoop
9 3%
PyTorch
8 3%
JUnit
7 2%
Show all (61)
And 21 more, each named in fewer postings.
What databases does Walmart use?
BigQuery is named in 8% of job postings at Walmart, followed by Google BigQuery (8%), Cassandra (4%), Azure Cosmos DB (4%).
BigQuery
25 8%
Google BigQuery
25 8%
Cassandra
12 4%
Azure Cosmos DB
11 4%
PostgreSQL
8 3%
MySQL
7 2%
ElasticSearch
5 2%
Redis
5 2%
Show all (29)
What cloud and platforms does Walmart use?
Spark is named in 20% of job postings at Walmart, followed by Tableau (17%), Power BI (14%), GCP (14%).
Spark
61 20%
Tableau
52 17%
Power BI
43 14%
GCP
42 14%
Azure
42 14%
Apache Kafka
37 12%
Kubernetes
34 11%
AWS
19 6%
Show all (57)
And 17 more, each named in fewer postings.
What developer tools does Walmart use?
Microsoft Excel is named in 10% of job postings at Walmart, followed by Rest API (8%), Git (6%), Docker (6%).
Rest API
24 8%
Git
19 6%
Docker
19 6%
Jenkins
16 5%
GraphQL
15 5%
pySpark
8 3%
Prometheus
8 3%
Show all (54)
And 14 more, each named in fewer postings.
What AI and ML technologies does Walmart use?
LLM is named in 6% of job postings at Walmart, followed by Claude (1%), ChatGPT (<1%), Core ML (<1%).
Which engineering practices does Walmart ask for?
CI/CD is named in 30% of job postings at Walmart, followed by Machine Learning (20%), AI Agents (10%), Incident Management (6%).
CI/CD
89 30%
AI Agents
29 10%
Incident Management
17 6%
Platform Engineering
17 6%
NLP
9 3%
Show all (65)
And 25 more, each named in fewer postings.
What other technologies does Walmart use?
Kotlin Coroutines is named in 1% of job postings at Walmart, followed by Swift Concurrency (1%), Corda (1%).
What does each Walmart team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
83 postingsAnalytics
41 postingsData Science
32 postingsProduct
20 postingsManagement
18 postingsOperations
18 postingsHow does your stack fit Walmart?
How much does Walmart pay by technology?
Median stated pay of the postings that name each technology, against the median of all Walmart postings with stated pay: $202k across 103 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 46 | $209k | +3% |
| Python | 43 | $216k | +7% |
| Tableau | 27 | $180k | −11% |
| Spark | 19 | $234k | +16% |
| GCP | 16 | $234k | +16% |
| Scala | 15 | $260k | +29% |
| Power BI | 15 | $180k | −11% |
| TensorFlow | 14 | $262k | +30% |
| Java | 14 | $227k | +12% |
| Azure | 13 | $234k | +16% |
How is the Walmart 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 Walmart stack?
Walmart 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: 5; legacy ones: 0.
How common is the Walmart stack in its industry?
Share of the 3,736 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Walmart apart
Companies with a stack like Walmart
Deutsche Telekom Digital Labs
194 shared technologies
JPMorganChase
283 shared technologies
The Infatuation
213 shared technologies
Royal Bank of Canada
222 shared technologies
CI&T
229 shared technologies
Citi
269 shared technologies
Visa
223 shared technologies
State Street
230 shared technologies
Questions about the Walmart tech stack
What programming languages does Walmart use?
The languages named in Walmart job postings are Python (43%), SQL (38%), Java (23%), Scala (17%), JavaScript (15%), as a share of the 298 postings of the last 12 months.
Does Walmart use TensorFlow?
Yes. TensorFlow is named in 31 of 298 job postings (10%) and required in 6 of them.
What cloud and platforms does Walmart use?
The cloud and platforms named in Walmart job postings are Spark (61), Tableau (52), Power BI (43) (postings in brackets).
What skills do you need for a Backend job at Walmart?
Backend postings at Walmart most often require Java (43), Python (32), Azure (28), Apache Kafka (26), out of 83 postings in the last 12 months.
Is the Walmart tech stack changing?
Yes. Hypothesis, JMeter, Keras, SOAP first appeared in Walmart job postings in the last six months.
How modern is the Walmart tech stack?
Walmart 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: 5; legacy ones: 0.
How does Alion know the Walmart tech stack?
Alion reads every job posting Walmart publishes and tags the technologies each one names. The figures on this page count the 298 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, "Walmart tech stack: 300 technologies from 298 job postings", as of Sep 27, 2026. https://alion.io/company/walmart/technologies