C6 Bank tech stack
C6 Bank builds mostly with Python, SQL, Java, Kotlin. Its stack also includes AWS, PostgreSQL, Apache Kafka, Spring Boot. Python is named in 18 of the 50 job postings C6 Bank published in the last 12 months (36%). Counted by Alion from the job postings of C6 Bank, updated Sep 28, 2026.
What programming languages does C6 Bank use?
Python is named in 36% of job postings at C6 Bank, followed by SQL (34%), Java (30%), Kotlin (24%).
Python
18 36%
SQL
17 34%
Java
15 30%
Kotlin
12 24%
PowerShell
2 4%
Swift
2 4%
JavaScript
2 4%
Apex
1 2%
Show all (12)
What frameworks and libraries does C6 Bank use?
Spring Boot is named in 20% of job postings at C6 Bank, followed by Cypress (8%), Robot Framework (8%), Appium (6%).
Spring Boot
10 20%
Cypress
4 8%
Robot Framework
4 8%
Appium
3 6%
OpenTelemetry
2 4%
SwiftUI
2 4%
UIKit
2 4%
Combine
1 2%
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What databases does C6 Bank use?
PostgreSQL is named in 24% of job postings at C6 Bank, followed by BigQuery (8%), Google BigQuery (8%), DynamoDB (2%).
BigQuery 
What cloud and platforms does C6 Bank use?
AWS is named in 36% of job postings at C6 Bank, followed by Apache Kafka (22%), GCP (16%), Grafana (8%).
AWS
18 36%
Apache Kafka
11 22%
GCP
8 16%
Grafana
4 8%
Kubernetes
4 8%
Power BI
4 8%
Splunk
4 8%
Azure
3 6%
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What developer tools does C6 Bank use?
Terraform is named in 22% of job postings at C6 Bank, followed by CloudFormation (14%), Git (14%), JMeter (6%).
Terraform
11 22%
CloudFormation
7 14%
Git
7 14%
JMeter
3 6%
Locust
3 6%
Rest API
3 6%
Ansible
2 4%
ArgoCD
2 4%
Show all (19)
What AI and ML technologies does C6 Bank use?
Claude is named in 4% of job postings at C6 Bank, followed by ChatGPT (2%), Gemini (2%), Mixtral (2%).
Which engineering practices does C6 Bank ask for?
CI/CD is named in 34% of job postings at C6 Bank, followed by Platform Engineering (10%), FinOps (8%), Shift-Left (8%).
CI/CD
17 34%
Platform Engineering
5 10%
FinOps
4 8%
Shift-Left
4 8%
RAG
3 6%
SLI/SLO/SLA
3 6%
Clean Architecture
2 4%
Show all (31)
What other technologies does C6 Bank use?
Swift Concurrency is named in 2% of job postings at C6 Bank.
Swift Concurrency
1 2%
What does each C6 Bank team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
13 postingsBackend
10 postingsField & Service
4 postingsDevOps
4 postingsMobile
3 postingsHow does your stack fit C6 Bank?
How is the C6 Bank 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 C6 Bank stack?
C6 Bank 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: 5; legacy ones: 0.
Companies with a stack like C6 Bank
Questions about the C6 Bank tech stack
What programming languages does C6 Bank use?
The languages named in C6 Bank job postings are Python (36%), SQL (34%), Java (30%), Kotlin (24%), PowerShell (4%), as a share of the 50 postings of the last 12 months.
Does C6 Bank use Spring Boot?
Yes. Spring Boot is named in 10 of 50 job postings (20%) and required in 10 of them.
What cloud and platforms does C6 Bank use?
The cloud and platforms named in C6 Bank job postings are AWS (18), Apache Kafka (11), GCP (8) (postings in brackets).
What skills do you need for a Analytics job at C6 Bank?
Analytics postings at C6 Bank most often require SQL (10), Python (8), BigQuery (3), Google BigQuery (3), out of 13 postings in the last 12 months.
Is the C6 Bank tech stack changing?
Yes. ArgoCD, GitOps, Prometheus, Copilot first appeared in C6 Bank job postings in the last six months.
How modern is the C6 Bank tech stack?
C6 Bank 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: 5; legacy ones: 0.
How does Alion know the C6 Bank tech stack?
Alion reads every job posting C6 Bank publishes and tags the technologies each one names. The figures on this page count the 50 postings of the last 12 months and were updated on Sep 28, 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, "C6 Bank tech stack: 116 technologies from 50 job postings", as of Sep 28, 2026. https://alion.io/company/c6-bank/technologies