CORE tech stack
CORE builds mostly with SQL, Python, Java, Go. Its stack also includes Bitbucket, PostgreSQL, Kubernetes, Redis. SQL is named in 7 of the 21 job postings CORE published in the last 12 months (33%). Counted by Alion from the job postings of CORE, updated Oct 3, 2026.
What programming languages does CORE use?
SQL is named in 33% of job postings at CORE, followed by Python (29%), Java (19%), Go (14%).
SQL
7 33%
Python
6 29%
Java
4 19%
Go
3 14%
Kotlin
3 14%
JavaScript
2 10%
Objective-C
2 10%
SPSS
2 10%
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What frameworks and libraries does CORE use?
Hadoop is named in 10% of job postings at CORE, followed by Hibernate (10%), Jest (10%), Jetpack Compose (10%).
Hadoop
2 10%
Hibernate
2 10%
Jest
2 10%
Jetpack Compose
2 10%
MSW
2 10%
MockK
2 10%
React Query
2 10%
React.js
2 10%
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What databases does CORE use?
PostgreSQL is named in 33% of job postings at CORE, followed by Redis (14%), OpenSearch (10%).
What cloud and platforms does CORE use?
Bitbucket is named in 33% of job postings at CORE, followed by Kubernetes (29%), Apache Kafka (29%), Grafana (19%).
Bitbucket
7 33%
Kubernetes
6 29%
Apache Kafka
6 29%
Grafana
4 19%
OpenShift
4 19%
Figma
3 14%
RabbitMQ
3 14%
GitLab
3 14%
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What developer tools does CORE use?
Git is named in 52% of job postings at CORE, followed by Jenkins (38%), Rest API (29%), Docker (19%).
Git
11 52%
Jenkins
8 38%
Rest API
6 29%
Docker
4 19%
Carthage
2 10%
CocoaPods
2 10%
ESLint
2 10%
Helm
2 10%
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What AI and ML technologies does CORE use?
ChatGPT is named in 5% of job postings at CORE, followed by Midjourney (5%).
ChatGPT
1 5%
Midjourney
1 5%
Which engineering practices does CORE ask for?
CI/CD is named in 33% of job postings at CORE, followed by SOAP (24%), MVVM (19%), Gitflow (19%).
CI/CD
7 33%
MVVM
4 19%
Gitflow
4 19%
AI Agents
2 10%
MVC
2 10%
Tokenization
2 10%
VIPER
2 10%
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What other technologies does CORE use?
Kotlin Coroutines is named in 10% of job postings at CORE.
Kotlin Coroutines
2 10%
What does each CORE team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsMobile
4 postingsAnalytics
4 postingsHow does your stack fit CORE?
How much does CORE pay by technology?
Median stated pay of the postings that name each technology, against the median of all CORE postings with stated pay: $31k across 21 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 7 | $31k | +2% |
| PostgreSQL | 7 | $29k | −4% |
| Bitbucket | 7 | $28k | −7% |
| Apache Kafka | 6 | $34k | +10% |
| Kubernetes | 6 | $30k | −1% |
| Python | 6 | $30k | −3% |
How modern is the CORE stack?
CORE scores 78 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: 2; legacy ones: 0.
How common is the CORE stack in its industry?
Share of the 1,768 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like CORE
Questions about the CORE tech stack
What programming languages does CORE use?
The languages named in CORE job postings are SQL (33%), Python (29%), Java (19%), Go (14%), Kotlin (14%), as a share of the 21 postings of the last 12 months.
Does CORE use Hadoop?
Yes. Hadoop is named in 2 of 21 job postings (10%) and required in 2 of them.
What cloud and platforms does CORE use?
The cloud and platforms named in CORE job postings are Bitbucket (7), Kubernetes (6), Apache Kafka (6) (postings in brackets).
What skills do you need for a Backend job at CORE?
Backend postings at CORE most often require Kubernetes (4), PostgreSQL (4), Docker (3), Go (3), out of 5 postings in the last 12 months.
Is the CORE tech stack changing?
No new technology has appeared in CORE job postings in the last six months.
How modern is the CORE tech stack?
CORE scores 78 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: 2; legacy ones: 0.
How does Alion know the CORE tech stack?
Alion reads every job posting CORE publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Oct 3, 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, "CORE tech stack: 83 technologies from 21 job postings", as of Oct 3, 2026. https://alion.io/company/core/technologies