Dunnhumby tech stack
Dunnhumby builds mostly with Python, SQL, C#, JavaScript. Its stack also includes GCP, Azure, Hadoop, PostgreSQL. Python is named in 21 of the 43 job postings Dunnhumby published in the last 12 months (49%). Counted by Alion from the job postings of Dunnhumby, updated Nov 11, 2026.
What programming languages does Dunnhumby use?
Python is named in 49% of job postings at Dunnhumby, followed by SQL (40%), C# (26%), JavaScript (16%).
Python
21 49%
SQL
17 40%
C#
11 26%
JavaScript
7 16%
TypeScript
5 12%
Go
2 5%
Java
2 5%
PowerShell
1 2%
Show all (11)
What frameworks and libraries does Dunnhumby use?
Hadoop is named in 14% of job postings at Dunnhumby, followed by React.js (12%), ASP.NET Core (5%), PyTorch (5%).
Hadoop
6 14%
React.js
5 12%
ASP.NET Core
2 5%
PyTorch
2 5%
Transformers
2 5%
AutoGen
1 2%
CrewAI
1 2%
DSPy
1 2%
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What databases does Dunnhumby use?
PostgreSQL is named in 12% of job postings at Dunnhumby, followed by ElasticSearch (5%), Redis (5%), Couchbase (2%).
PostgreSQL
5 12%
ElasticSearch
2 5%
Redis
2 5%
Couchbase
1 2%
HBase
1 2%
Milvus
1 2%
MySQL
1 2%
Pinecone
1 2%
Show all (10)
What cloud and platforms does Dunnhumby use?
GCP is named in 47% of job postings at Dunnhumby, followed by Azure (44%), Spark (30%), Kubernetes (28%).
GCP
20 47%
Azure
19 44%
Spark
13 30%
Kubernetes
12 28%
.NET
8 19%
New Relic
8 19%
AWS
6 14%
GitLab
6 14%
Show all (45)
And 5 more, each named in fewer postings.
What developer tools does Dunnhumby use?
Docker is named in 21% of job postings at Dunnhumby, followed by Terraform (16%), pySpark (16%), Git (14%).
Docker
9 21%
Terraform
7 16%
pySpark
7 16%
Git
6 14%
Helm
6 14%
Rest API
5 12%
ArgoCD
5 12%
Crossplane
5 12%
Show all (28)
What AI and ML technologies does Dunnhumby use?
LLM is named in 5% of job postings at Dunnhumby, followed by BERT (2%), LoRA (2%), PEFT (2%).
Which engineering practices does Dunnhumby ask for?
CI/CD is named in 37% of job postings at Dunnhumby, followed by Machine Learning (23%), AI Agents (16%), GitOps (16%).
CI/CD
16 37%
AI Agents
7 16%
GitOps
7 16%
Incident Management
4 9%
Embeddings
4 9%
Fine-tuning
3 7%
Show all (34)
What does each Dunnhumby team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
13 postingsBackend
6 postingsAI/ML
4 postingsIndustrial Engineering
3 postingsHow does your stack fit Dunnhumby?
How is the Dunnhumby 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 Dunnhumby stack?
Dunnhumby scores 80 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: 1.
How common is the Dunnhumby stack in its industry?
Share of the 1,633 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Dunnhumby apart
Companies with a stack like Dunnhumby
Questions about the Dunnhumby tech stack
What programming languages does Dunnhumby use?
The languages named in Dunnhumby job postings are Python (49%), SQL (40%), C# (26%), JavaScript (16%), TypeScript (12%), as a share of the 43 postings of the last 12 months.
Does Dunnhumby use Hadoop?
Yes. Hadoop is named in 6 of 43 job postings (14%) and required in 6 of them.
What cloud and platforms does Dunnhumby use?
The cloud and platforms named in Dunnhumby job postings are GCP (20), Azure (19), Spark (13) (postings in brackets).
What skills do you need for a Data Science job at Dunnhumby?
Data Science postings at Dunnhumby most often require Python (13), SQL (10), Spark (10), Hadoop (6), out of 13 postings in the last 12 months.
Is the Dunnhumby tech stack changing?
Yes. RabbitMQ, Prometheus, Redis, Apache Kafka first appeared in Dunnhumby job postings in the last six months.
How modern is the Dunnhumby tech stack?
Dunnhumby scores 80 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: 1.
How does Alion know the Dunnhumby tech stack?
Alion reads every job posting Dunnhumby publishes and tags the technologies each one names. The figures on this page count the 43 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, "Dunnhumby tech stack: 162 technologies from 43 job postings", as of Nov 11, 2026. https://alion.io/company/dunnhumby/technologies