Deloitte tech stack
Deloitte builds mostly with Python, SQL, Apex, C#. Its stack also includes Azure, GCP, Snowflake, Google BigQuery. Python is named in 12 of the 29 job postings Deloitte published in the last 12 months (41%). Counted by Alion from the job postings of Deloitte, updated Sep 28, 2026.
What programming languages does Deloitte use?
Python is named in 41% of job postings at Deloitte, followed by SQL (21%), Apex (17%), C# (7%).
C# 
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What databases does Deloitte use?
Snowflake is named in 10% of job postings at Deloitte, followed by Google BigQuery (7%), BigQuery (3%).
BigQuery What cloud and platforms does Deloitte use?
Azure is named in 41% of job postings at Deloitte, followed by GCP (41%), AWS (38%), MuleSoft (17%).
Azure
12 41%
GCP
12 41%
AWS
11 38%
Databricks
3 10%
Power BI
3 10%
AWS Lambda
2 7%
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What developer tools does Deloitte use?
Microsoft Excel is named in 24% of job postings at Deloitte, followed by Informatica (14%), Ansible (7%), CloudFormation (7%).
Ansible
2 7%
CloudFormation
2 7%
Copilot
2 7%
Docker
2 7%
Terraform
2 7%
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What AI and ML technologies does Deloitte use?
LLM is named in 21% of job postings at Deloitte.
LLM
6 21%
Which engineering practices does Deloitte ask for?
ETL/ELT is named in 24% of job postings at Deloitte, followed by CI/CD (17%), RAG (17%), Fine-tuning (10%).
CI/CD
5 17%
RAG
5 17%
Fine-tuning
3 10%
Prompt Engineering
3 10%
AI Agents
2 7%
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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 postingsSolutions
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 443 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Deloitte
Credence Blue Cross and Blue Shield
59 shared technologies
TTEC Digital
53 shared technologies
MiniMed
54 shared technologies
Lingaro
51 shared technologies
ansrsource
55 shared technologies
United Airlines
54 shared technologies
Luka & Bramer Group
53 shared technologies
Huntington Bancshares
55 shared technologies
Questions about the Deloitte tech stack
What programming languages does Deloitte use?
The languages named in Deloitte job postings are Python (41%), SQL (21%), Apex (17%), C# (7%), Java (7%), as a share of the 29 postings of the last 12 months.
Does Deloitte use Azure?
Yes. Azure is named in 12 of 29 job postings (41%) 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), GCP (12), AWS (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. Copilot, Machine Learning, Vertex AI, Fine-tuning 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 29 postings of the last 12 months and were updated on Sep 28, 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: 60 technologies from 29 job postings", as of Sep 28, 2026. https://alion.io/company/deloitte/technologies