Deloitte tech stack
Deloitte builds mostly with Python, SQL, Apex, C#. Its stack also includes Azure, AWS, Google BigQuery, Snowflake. Python is named in 12 of the 33 job postings Deloitte published in the last 12 months (36%). Counted by Alion from the job postings of Deloitte, updated Oct 13, 2026.
What programming languages does Deloitte use?
Python is named in 36% of job postings at Deloitte, followed by SQL (18%), Apex (15%), C# (12%).
C# 
Show all (12)
What databases does Deloitte use?
Google BigQuery is named in 6% of job postings at Deloitte, followed by Snowflake (6%), BigQuery (3%).
BigQuery What cloud and platforms does Deloitte use?
Azure is named in 36% of job postings at Deloitte, followed by AWS (33%), GCP (33%), MuleSoft (15%).
Azure
12 36%
AWS
11 33%
GCP
11 33%
Power BI
3 9%
AWS Lambda
2 6%
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What developer tools does Deloitte use?
Microsoft Excel is named in 21% of job postings at Deloitte, followed by Informatica (12%), Ansible (6%), CloudFormation (6%).
Ansible
2 6%
CloudFormation
2 6%
Copilot
2 6%
Docker
2 6%
Terraform
2 6%
Show all (11)
What AI and ML technologies does Deloitte use?
LLM is named in 15% of job postings at Deloitte.
LLM
5 15%
Which engineering practices does Deloitte ask for?
CI/CD is named in 21% of job postings at Deloitte, followed by ETL/ELT (21%), RAG (12%), Fine-tuning (9%).
CI/CD
7 21%
RAG
4 12%
Fine-tuning
3 9%
Prompt Engineering
3 9%
Show all (11)
What does each Deloitte team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Early Careers
8 postingsEnterprise Apps
6 postingsDevOps
3 postingsAI/ML
3 postingsHow does your stack fit Deloitte?
How is the Deloitte 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 Deloitte stack?
Deloitte scores 75 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: 1; legacy ones: 0.
How common is the Deloitte stack in its industry?
Share of the 1,964 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Deloitte apart
Questions about the Deloitte tech stack
What programming languages does Deloitte use?
The languages named in Deloitte job postings are Python (36%), SQL (18%), Apex (15%), C# (12%), JavaScript (12%), as a share of the 33 postings of the last 12 months.
Does Deloitte use Azure?
Yes. Azure is named in 12 of 33 job postings (36%) and required in 12 of them.
What cloud and platforms does Deloitte use?
The cloud and platforms named in Deloitte job postings are Azure (12), AWS (11), GCP (11) (postings in brackets).
What skills do you need for a Early Careers job at Deloitte?
Early Careers postings at Deloitte most often require Python (4), AWS (3), Azure (3), GCP (3), out of 8 postings in the last 12 months.
Is the Deloitte tech stack changing?
Yes. TypeScript, Copilot, Machine Learning, Vertex AI first appeared in Deloitte job postings in the last six months.
How modern is the Deloitte tech stack?
Deloitte scores 75 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: 1; legacy ones: 0.
How does Alion know the Deloitte tech stack?
Alion reads every job posting Deloitte publishes and tags the technologies each one names. The figures on this page count the 33 postings of the last 12 months and were updated on Oct 13, 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, "Deloitte tech stack: 64 technologies from 33 job postings", as of Oct 13, 2026. https://alion.io/company/deloitte-dk/technologies