Diligent tech stack
Diligent builds mostly with JavaScript, TypeScript, SQL, Python. Its stack also includes AWS, React.js, Angular, PostgreSQL. AWS is named in 39 of the 83 job postings Diligent published in the last 12 months (47%). Counted by Alion from the job postings of Diligent, updated Nov 12, 2026.
What programming languages does Diligent use?
JavaScript is named in 30% of job postings at Diligent, followed by TypeScript (29%), SQL (28%), Python (23%).
JavaScript
25 30%
TypeScript
24 29%
SQL
23 28%
Python
19 23%
Node JS
14 17%
C#
3 4%
Java
2 2%
Ruby
2 2%
Show all (12)
What frameworks and libraries does Diligent use?
React.js is named in 16% of job postings at Diligent, followed by Angular (12%), LangChain (4%), Playwright (2%).
React.js
13 16%
Angular
10 12%
LangChain
3 4%
Playwright
2 2%
Ruby on Rails
2 2%
Scikit-learn
2 2%
Vue.js
2 2%
Alpine.js
1 1%
Show all (21)
What databases does Diligent use?
PostgreSQL is named in 11% of job postings at Diligent, followed by Snowflake (8%), DynamoDB (4%), ElasticSearch (2%).
PostgreSQL
9 11%
Snowflake
7 8%
DynamoDB
3 4%
ElasticSearch
2 2%
MS SQL
2 2%
OpenSearch
2 2%
MariaDB
1 1%
MySQL
1 1%
What cloud and platforms does Diligent use?
AWS is named in 47% of job postings at Diligent, followed by Azure (10%), GCP (6%), GitHub (6%).
AWS
39 47%
Azure
8 10%
GCP
5 6%
GitHub
5 6%
GitHub Actions
5 6%
.NET
3 4%
AWS Bedrock
3 4%
AWS Lambda
3 4%
Show all (29)
What developer tools does Diligent use?
Terraform is named in 17% of job postings at Diligent, followed by Docker (16%), Model Context Protocol (14%), Rest API (13%).
Terraform
14 17%
Docker
13 16%
Model Context Protocol
12 14%
Rest API
11 13%
Git
10 12%
AWS CDK
7 8%
Claude Code
5 6%
Show all (17)
What AI and ML technologies does Diligent use?
LLM is named in 23% of job postings at Diligent, followed by ChatGPT (2%), Claude (1%).
Which engineering practices does Diligent ask for?
CI/CD is named in 37% of job postings at Diligent, followed by AI Agents (23%), Prompt Engineering (17%), RAG (17%).
CI/CD
31 37%
AI Agents
19 23%
Prompt Engineering
14 17%
RAG
14 17%
Embeddings
8 10%
Show all (31)
What does each Diligent team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
23 postingsProduct
8 postingsSecurity
7 postingsAI/ML
4 postingsHow does your stack fit Diligent?
How is the Diligent 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 Diligent stack?
Diligent scores 87 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: 3; legacy ones: 0.
How common is the Diligent stack in its industry?
Share of the 584 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Diligent
Questions about the Diligent tech stack
What programming languages does Diligent use?
The languages named in Diligent job postings are JavaScript (30%), TypeScript (29%), SQL (28%), Python (23%), Node JS (17%), as a share of the 83 postings of the last 12 months.
Does Diligent use React.js?
Yes. React.js is named in 13 of 83 job postings (16%) and required in 13 of them.
What cloud and platforms does Diligent use?
The cloud and platforms named in Diligent job postings are AWS (39), Azure (8), GCP (5) (postings in brackets).
What skills do you need for a Backend job at Diligent?
Backend postings at Diligent most often require AWS (20), SQL (15), LLM (12), TypeScript (12), out of 23 postings in the last 12 months.
Is the Diligent tech stack changing?
Yes. CMMC, dbt, Scikit-learn, Fine-tuning first appeared in Diligent job postings in the last six months.
How modern is the Diligent tech stack?
Diligent scores 87 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: 3; legacy ones: 0.
How does Alion know the Diligent tech stack?
Alion reads every job posting Diligent publishes and tags the technologies each one names. The figures on this page count the 83 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, "Diligent tech stack: 121 technologies from 83 job postings", as of Nov 12, 2026. https://alion.io/company/diligentcorporation/technologies