SonarSource tech stack
SonarSource builds mostly with Python, Java, JavaScript, SQL. Its stack also includes SonarQube, AWS, OpenSearch, Amazon Aurora. SonarQube is named in 54 of the 111 job postings SonarSource published in the last 12 months (49%). Counted by Alion from the job postings of SonarSource, updated Nov 10, 2026.
What programming languages does SonarSource use?
Python is named in 29% of job postings at SonarSource, followed by Java (21%), JavaScript (13%), SQL (10%).
C# 
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What frameworks and libraries does SonarSource use?
Transformers is named in 5% of job postings at SonarSource, followed by React.js (3%), AutoGen (1%), CrewAI (1%).
Transformers
5 5%
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 6% of job postings at SonarSource, followed by Amazon Aurora (5%), PostgreSQL (3%), DynamoDB (2%).
OpenSearch
7 6%
Amazon Aurora
5 5%
PostgreSQL
3 3%
DynamoDB
2 2%
Google BigQuery
1 1%
Pinecone
1 1%
Snowflake
1 1%
Weaviate
1 1%
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What cloud and platforms does SonarSource use?
SonarQube is named in 49% of job postings at SonarSource, followed by AWS (28%), Azure (13%), GitHub (8%).
SonarQube
54 49%
AWS
31 28%
Azure
14 13%
GitHub
9 8%
GCP
7 6%
Tableau
6 5%
Bitbucket
6 5%
Kubernetes
6 5%
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What developer tools does SonarSource use?
OpenAI Codex is named in 38% of job postings at SonarSource, followed by Copilot (38%), Claude Code (34%), Cursor (34%).
Copilot
42 38%
Claude Code
38 34%
Cursor
38 34%
Terraform
11 10%
Git
10 9%
Docker
8 7%
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What AI and ML technologies does SonarSource use?
Claude is named in 16% of job postings at SonarSource, followed by LLM (14%), Gemini (8%), PEFT (5%).
Which engineering practices does SonarSource ask for?
AI Agents is named in 56% of job postings at SonarSource, followed by CI/CD (19%), Platform Engineering (12%), IAM (10%).
AI Agents
62 56%
CI/CD
21 19%
Platform Engineering
13 12%
Fine-tuning
8 7%
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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.
AI/ML
12 postingsBackend
12 postingsSales
11 postingsLeadership
7 postingsSecurity
7 postingsSolutions
7 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: $183k across 16 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SonarQube | 11 | $180k | −2% |
| LLM | 7 | $187k | +3% |
| Python | 6 | $183k | 0% |
| GitHub | 5 | $193k | +6% |
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 85 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: 7; legacy ones: 0.
How common is the SonarSource stack in its industry?
Share of the 598 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 (29%), Java (21%), JavaScript (13%), SQL (10%), C# (7%), as a share of the 111 postings of the last 12 months.
Does SonarSource use Transformers?
Yes. Transformers is named in 5 of 111 job postings (5%) and required in 2 of them.
What cloud and platforms does SonarSource use?
The cloud and platforms named in SonarSource job postings are SonarQube (54), AWS (31), Azure (14) (postings in brackets).
What skills do you need for a AI/ML job at SonarSource?
AI/ML postings at SonarSource most often require Python (12), LLM (8), Java (7), C# (6), out of 12 postings in the last 12 months.
Is the SonarSource tech stack changing?
Yes. ChatGPT, Microsoft Entra ID, ETL/ELT, LLM Evaluation first appeared in SonarSource job postings in the last six months.
How modern is the SonarSource tech stack?
SonarSource scores 85 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: 7; 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 111 postings of the last 12 months and were updated on Nov 10, 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: 134 technologies from 111 job postings", as of Nov 10, 2026. https://alion.io/company/sonar/technologies