Workday tech stack
Workday builds mostly with Python, SQL, Java, JavaScript. Its stack also includes AWS, GCP, MS SQL, FastAPI. Python is named in 28 of the 43 job postings Workday published in the last 12 months (65%). Counted by Alion from the job postings of Workday, updated Oct 16, 2026.
What programming languages does Workday use?
Python is named in 65% of job postings at Workday, followed by SQL (26%), Java (16%), JavaScript (14%).
Python
28 65%
SQL
11 26%
Java
7 16%
JavaScript
6 14%
Node JS
3 7%
C++
3 7%
PowerShell
2 5%
TypeScript
2 5%
Show all (12)
What frameworks and libraries does Workday use?
FastAPI is named in 12% of job postings at Workday, followed by Pandas (12%), NumPy (9%), Transformers (9%).
FastAPI
5 12%
Pandas
5 12%
NumPy
4 9%
Transformers
4 9%
Flask
4 9%
OpenTelemetry
4 9%
Django
3 7%
LangChain
3 7%
Show all (29)
What databases does Workday use?
MS SQL is named in 14% of job postings at Workday, followed by PostgreSQL (9%), Snowflake (9%), Delta Lake (9%).
MS SQL
6 14%
PostgreSQL
4 9%
Snowflake
4 9%
Delta Lake
4 9%
Amazon Redshift
3 7%
MySQL
3 7%
Redis
2 5%
DynamoDB
2 5%
Show all (13)
What cloud and platforms does Workday use?
AWS is named in 58% of job postings at Workday, followed by GCP (33%), Kubernetes (30%), Azure (26%).
AWS
25 58%
GCP
14 33%
Kubernetes
13 30%
Azure
11 26%
GitHub Actions
8 19%
AWS Lambda
8 19%
Amazon EC2
7 16%
Show all (39)
What developer tools does Workday use?
Terraform is named in 37% of job postings at Workday, followed by Docker (21%), Ansible (19%), Model Context Protocol (14%).
Terraform
16 37%
Docker
9 21%
Ansible
8 19%
Model Context Protocol
6 14%
Prometheus
6 14%
ArgoCD
5 12%
Helm
4 9%
Pulumi
4 9%
Show all (37)
What AI and ML technologies does Workday use?
LLM is named in 12% of job postings at Workday, followed by Llama (7%), Mistral (5%), ChatGPT (2%).
Which engineering practices does Workday ask for?
CI/CD is named in 30% of job postings at Workday, followed by Platform Engineering (16%), NLP (14%), ETL/ELT (12%).
CI/CD
13 30%
Platform Engineering
7 16%
NLP
6 14%
Prompt Engineering
4 9%
AI Agents
4 9%
Fine-tuning
3 7%
Show all (27)
What does each Workday team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
15 postingsDevOps
10 postingsData Science
5 postingsAI/ML
3 postingsHow does your stack fit Workday?
How is the Workday 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 Workday stack?
Workday scores 82 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.
Companies with a stack like Workday
Questions about the Workday tech stack
What programming languages does Workday use?
The languages named in Workday job postings are Python (65%), SQL (26%), Java (16%), JavaScript (14%), Node JS (7%), as a share of the 43 postings of the last 12 months.
Does Workday use FastAPI?
Yes. FastAPI is named in 5 of 43 job postings (12%) and required in 5 of them.
What cloud and platforms does Workday use?
The cloud and platforms named in Workday job postings are AWS (25), GCP (14), Kubernetes (13) (postings in brackets).
What skills do you need for a Backend job at Workday?
Backend postings at Workday most often require Python (7), AWS (6), GitHub Actions (4), Java (4), out of 15 postings in the last 12 months.
Is the Workday tech stack changing?
Yes. TypeScript, PyTorch, TensorFlow, Pandas first appeared in Workday job postings in the last six months.
How modern is the Workday tech stack?
Workday scores 82 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 Workday tech stack?
Alion reads every job posting Workday 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 Oct 16, 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, "Workday tech stack: 163 technologies from 43 job postings", as of Oct 16, 2026. https://alion.io/company/myworkdayjobs-impl/technologies