Walmart tech stack
Walmart builds mostly with Python, SQL, Java, Scala. Its stack also includes Spark, GCP, TensorFlow, Google BigQuery. Python is named in 241 of the 532 job postings Walmart published in the last 12 months (45%). Counted by Alion from the job postings of Walmart, updated Nov 12, 2026.
What programming languages does Walmart use?
Python is named in 45% of job postings at Walmart, followed by SQL (39%), Java (23%), Scala (19%).
Python
241 45%
SQL
207 39%
Java
122 23%
Scala
103 19%
JavaScript
77 14%
C++
35 7%
TypeScript
27 5%
Rust
24 5%
Show all (27)
What frameworks and libraries does Walmart use?
TensorFlow is named in 12% of job postings at Walmart, followed by Scikit-learn (11%), Spring Boot (7%), React.js (6%).
TensorFlow
62 12%
Scikit-learn
56 11%
Spring Boot
38 7%
React.js
32 6%
Hadoop
29 5%
Matplotlib
27 5%
PyTorch
18 3%
Show all (96)
And 56 more, each named in fewer postings.
What databases does Walmart use?
Google BigQuery is named in 11% of job postings at Walmart, followed by Cassandra (4%), MySQL (3%), PostgreSQL (3%).
Google BigQuery
57 11%
Cassandra
19 4%
MySQL
15 3%
PostgreSQL
14 3%
Azure Cosmos DB
12 2%
Snowflake
9 2%
Azure SQL Database
8 2%
Redis
8 2%
Show all (31)
What cloud and platforms does Walmart use?
Spark is named in 24% of job postings at Walmart, followed by GCP (18%), Tableau (18%), Azure (17%).
Spark
127 24%
GCP
94 18%
Tableau
94 18%
Azure
89 17%
Power BI
80 15%
Apache Kafka
72 14%
Kubernetes
62 12%
AWS
34 6%
Show all (77)
And 37 more, each named in fewer postings.
What developer tools does Walmart use?
Rest API is named in 9% of job postings at Walmart, followed by Microsoft Excel (9%), Docker (7%), Git (7%).
Rest API
47 9%
Docker
38 7%
Git
36 7%
Jenkins
33 6%
GraphQL
23 4%
pySpark
17 3%
Maven
15 3%
Show all (72)
And 32 more, each named in fewer postings.
What AI and ML technologies does Walmart use?
LLM is named in 8% of job postings at Walmart, followed by ChatGPT (1%), BERT (1%), Claude (1%).
LLM
41 8%
ChatGPT
4 1%
BERT
4 1%
Claude
3 1%
Gemini
2 <1%
ControlNet
1 <1%
Core ML
1 <1%
EfficientNet
1 <1%
Show all (13)
Which engineering practices does Walmart ask for?
CI/CD is named in 32% of job postings at Walmart, followed by Machine Learning (23%), AI Agents (14%), ETL/ELT (8%).
CI/CD
171 32%
AI Agents
76 14%
Platform Engineering
39 7%
Incident Management
27 5%
NLP
19 4%
Show all (97)
And 57 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 CDS Views (<1%), 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
134 postingsData Science
87 postingsAnalytics
64 postingsProduct
38 postingsManagement
30 postingsLeadership
26 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 172 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 84 | $180k | −11% |
| Python | 83 | $216k | +7% |
| Tableau | 48 | $180k | −11% |
| Spark | 44 | $220k | +9% |
| Power BI | 33 | $180k | −11% |
| GCP | 31 | $220k | +9% |
| Scala | 30 | $220k | +9% |
| TensorFlow | 27 | $234k | +16% |
| Java | 27 | $220k | +9% |
| Azure | 25 | $220k | +9% |
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 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: 13; legacy ones: 0.
How common is the Walmart stack in its industry?
Share of the 1,698 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Walmart apart
Companies with a stack like Walmart
Questions about the Walmart tech stack
What programming languages does Walmart use?
The languages named in Walmart job postings are Python (45%), SQL (39%), Java (23%), Scala (19%), JavaScript (14%), as a share of the 532 postings of the last 12 months.
Does Walmart use TensorFlow?
Yes. TensorFlow is named in 62 of 532 job postings (12%) and required in 13 of them.
What cloud and platforms does Walmart use?
The cloud and platforms named in Walmart job postings are Spark (127), GCP (94), Tableau (94) (postings in brackets).
What skills do you need for a Backend job at Walmart?
Backend postings at Walmart most often require Java (65), Python (59), Azure (46), Apache Kafka (39), out of 134 postings in the last 12 months.
Is the Walmart tech stack changing?
Yes. Triton Inference Server, vLLM, FSDP, JAX first appeared in Walmart job postings in the last six months.
How modern is the Walmart tech stack?
Walmart 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: 13; 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 532 postings of the last 12 months and were updated on Nov 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, "Walmart tech stack: 417 technologies from 532 job postings", as of Nov 12, 2026. https://alion.io/company/walmart/technologies