Atlassian tech stack
Atlassian builds mostly with Python, Java, SQL, JavaScript. Its stack also includes AWS, GitHub, React.js, PostgreSQL. Python is named in 125 of the 369 job postings Atlassian published in the last 12 months (34%). Counted by Alion from the job postings of Atlassian, updated Nov 11, 2026.
What programming languages does Atlassian use?
Python is named in 34% of job postings at Atlassian, followed by Java (21%), SQL (18%), JavaScript (18%).
Python
125 34%
Java
79 21%
SQL
68 18%
JavaScript
66 18%
Kotlin
53 14%
Go
40 11%
TypeScript
36 10%
Scala
30 8%
Show all (17)
What frameworks and libraries does Atlassian use?
React.js is named in 11% of job postings at Atlassian, followed by Jest (5%), Mocha (5%), Vue.js (3%).
React.js
39 11%
Jest
19 5%
Mocha
17 5%
Vue.js
12 3%
Flink
12 3%
PyTorch
10 3%
Matplotlib
6 2%
TensorFlow
5 1%
Show all (42)
And 2 more, each named in fewer postings.
What databases does Atlassian use?
PostgreSQL is named in 7% of job postings at Atlassian, followed by DynamoDB (5%), Oracle (3%), Cassandra (3%).
PostgreSQL
25 7%
DynamoDB
19 5%
Oracle
11 3%
Cassandra
10 3%
StarRocks
6 2%
ElasticSearch
4 1%
Google BigQuery
4 1%
Amazon Redshift
3 1%
Show all (22)
What cloud and platforms does Atlassian use?
AWS is named in 27% of job postings at Atlassian, followed by GitHub (15%), GCP (14%), Databricks (9%).
AWS
100 27%
GitHub
54 15%
GCP
50 14%
Databricks
33 9%
Azure
33 9%
Spark
32 9%
Tableau
29 8%
Kubernetes
20 5%
Show all (48)
And 8 more, each named in fewer postings.
What developer tools does Atlassian use?
Rest API is named in 10% of job postings at Atlassian, followed by Model Context Protocol (7%), GraphQL (5%), Docker (5%).
Rest API
36 10%
Model Context Protocol
26 7%
GraphQL
20 5%
Docker
18 5%
Git
18 5%
Nginx
10 3%
npm
10 3%
Show all (28)
What AI and ML technologies does Atlassian use?
LLM is named in 13% of job postings at Atlassian, followed by ChatGPT (<1%), Claude (<1%), LoRA (<1%).
Which engineering practices does Atlassian ask for?
AI Agents is named in 22% of job postings at Atlassian, followed by Machine Learning (19%), CI/CD (18%), RAG (6%).
AI Agents
82 22%
CI/CD
66 18%
RAG
22 6%
Fine-tuning
19 5%
Platform Engineering
17 5%
Show all (55)
And 15 more, each named in fewer postings.
What does each Atlassian team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
79 postingsAI/ML
55 postingsSales
38 postingsSolutions
35 postingsLeadership
26 postingsData Science
19 postingsHow does your stack fit Atlassian?
How much does Atlassian pay by technology?
Median stated pay of the postings that name each technology, against the median of all Atlassian postings with stated pay: $235k across 30 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 14 | $230k | −2% |
| AWS | 10 | $235k | 0% |
| Java | 10 | $234k | −1% |
| SQL | 9 | $235k | 0% |
| LLM | 8 | $269k | +14% |
| GitHub | 6 | $296k | +26% |
| Databricks | 6 | $269k | +14% |
| Spark | 6 | $269k | +14% |
| Kotlin | 6 | $217k | −8% |
| PostgreSQL | 6 | $196k | −16% |
How is the Atlassian 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 Atlassian stack?
Atlassian scores 81 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: 5; legacy ones: 0.
How common is the Atlassian stack in its industry?
Share of the 604 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Atlassian apart
Atlassian products in its job postings
Postings at Atlassian name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Atlassian
Questions about the Atlassian tech stack
What programming languages does Atlassian use?
The languages named in Atlassian job postings are Python (34%), Java (21%), SQL (18%), JavaScript (18%), Kotlin (14%), as a share of the 369 postings of the last 12 months.
Does Atlassian use React.js?
Yes. React.js is named in 39 of 369 job postings (11%) and required in 39 of them.
What cloud and platforms does Atlassian use?
The cloud and platforms named in Atlassian job postings are AWS (100), GitHub (54), GCP (50) (postings in brackets).
What skills do you need for a Backend job at Atlassian?
Backend postings at Atlassian most often require Java (45), AWS (43), Python (38), Kotlin (36), out of 79 postings in the last 12 months.
Is the Atlassian tech stack changing?
Yes. Together AI, Computer Vision, AWS Fargate, Amazon CloudWatch first appeared in Atlassian job postings in the last six months.
How modern is the Atlassian tech stack?
Atlassian scores 81 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: 5; legacy ones: 0.
How does Alion know the Atlassian tech stack?
Alion reads every job posting Atlassian publishes and tags the technologies each one names. The figures on this page count the 369 postings of the last 12 months and were updated on Nov 11, 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, "Atlassian tech stack: 217 technologies from 369 job postings", as of Nov 11, 2026. https://alion.io/company/atlassian/technologies