SonarSource tech stack
SonarSource builds mostly with Python, Java, JavaScript, C#. Its stack also includes SonarQube, AWS, OpenSearch, Amazon Aurora. SonarQube is named in 48 of the 86 job postings SonarSource published in the last 12 months (56%). Counted by Alion from the job postings of SonarSource, updated Sep 27, 2026.
What programming languages does SonarSource use?
Python is named in 28% of job postings at SonarSource, followed by Java (21%), JavaScript (10%), C# (8%).
C# 
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What frameworks and libraries does SonarSource use?
Transformers is named in 6% of job postings at SonarSource, followed by React.js (3%), AutoGen (1%), CrewAI (1%).
Transformers
5 6%
React.js
3 3%
AutoGen
1 1%
CrewAI
1 1%
LangChain
1 1%
Micronaut
1 1%
PyTorch
1 1%
Scikit-learn
1 1%
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What databases does SonarSource use?
OpenSearch is named in 7% of job postings at SonarSource, followed by Amazon Aurora (6%), PostgreSQL (2%), Pinecone (1%).
OpenSearch
6 7%
Amazon Aurora
5 6%
PostgreSQL
2 2%
Pinecone
1 1%
Weaviate
1 1%
Amazon Redshift
1 1%
DynamoDB
1 1%
What cloud and platforms does SonarSource use?
SonarQube is named in 56% of job postings at SonarSource, followed by AWS (30%), Azure (14%), GitHub (9%).
SonarQube
48 56%
AWS
26 30%
Azure
12 14%
GitHub
8 9%
GCP
5 6%
Kubernetes
5 6%
Tableau
4 5%
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What developer tools does SonarSource use?
Copilot is named in 42% of job postings at SonarSource, followed by OpenAI Codex (41%), Claude Code (38%), Cursor (38%).
Copilot
36 42%
Claude Code
33 38%
Cursor
33 38%
Git
10 12%
Terraform
8 9%
Docker
6 7%
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What AI and ML technologies does SonarSource use?
LLM is named in 17% of job postings at SonarSource, followed by Claude (14%), Gemini (10%), PEFT (7%).
Which engineering practices does SonarSource ask for?
AI Agents is named in 64% of job postings at SonarSource, followed by CI/CD (20%), Platform Engineering (13%), IAM (9%).
AI Agents
55 64%
CI/CD
17 20%
Platform Engineering
11 13%
Fine-tuning
8 9%
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What does each SonarSource team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Sales
11 postingsAI/ML
9 postingsBackend
8 postingsLeadership
6 postingsProduct
6 postingsSolutions
6 postingsHow does your stack fit SonarSource?
How much does SonarSource pay by technology?
Median stated pay of the postings that name each technology, against the median of all SonarSource postings with stated pay: $185k across 14 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SonarQube | 11 | $184k | 0% |
| LLM | 7 | $190k | +3% |
| Python | 5 | $185k | 0% |
How is the SonarSource 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 SonarSource stack?
SonarSource scores 84 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 common is the SonarSource stack in its industry?
Share of the 271 companies in the same industries, whose stack Alion knows, that use each technology.
What sets SonarSource apart
Companies with a stack like SonarSource
Questions about the SonarSource tech stack
What programming languages does SonarSource use?
The languages named in SonarSource job postings are Python (28%), Java (21%), JavaScript (10%), C# (8%), SQL (8%), as a share of the 86 postings of the last 12 months.
Does SonarSource use Transformers?
Yes. Transformers is named in 5 of 86 job postings (6%) and required in 2 of them.
What cloud and platforms does SonarSource use?
The cloud and platforms named in SonarSource job postings are SonarQube (48), AWS (26), Azure (12) (postings in brackets).
What skills do you need for a Sales job at SonarSource?
Sales postings at SonarSource most often require Tableau (4), Git (2), out of 11 postings in the last 12 months.
Is the SonarSource tech stack changing?
Yes. LLM Evaluation, LLM Guardrails, SOAP, Transformers first appeared in SonarSource job postings in the last six months.
How modern is the SonarSource tech stack?
SonarSource scores 84 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 SonarSource tech stack?
Alion reads every job posting SonarSource publishes and tags the technologies each one names. The figures on this page count the 86 postings of the last 12 months and were updated on Sep 27, 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, "SonarSource tech stack: 122 technologies from 86 job postings", as of Sep 27, 2026. https://alion.io/company/sonar/technologies