R3 tech stack
R3 builds mostly with Kotlin, TypeScript, Rust, Java. Its stack also includes Kubernetes, Anchor, Appium, GitHub Actions. Kotlin is named in 6 of the 8 job postings R3 published in the last 12 months (75%). Counted by Alion from the job postings of R3, updated Oct 14, 2026.
What programming languages does R3 use?
Kotlin is named in 75% of job postings at R3, followed by TypeScript (63%), Rust (50%), Java (50%).
What frameworks and libraries does R3 use?
Anchor is named in 38% of job postings at R3, followed by Appium (38%), Cucumber (38%), Cypress (38%).
Anchor
3 38%
Appium
3 38%
Cucumber
3 38%
Cypress
3 38%
Selenium
3 38%
Rest-Assured
2 25%
Web3.js
1 13%
Hibernate
1 13%
Show all (9)
What cloud and platforms does R3 use?
Kubernetes is named in 50% of job postings at R3, followed by GitHub Actions (25%), Postman (25%), Grafana (25%).
Kubernetes
4 50%
GitHub Actions
2 25%
Postman
2 25%
Grafana
2 25%
Kibana
2 25%
GitHub
1 13%
Azure
1 13%
What developer tools does R3 use?
SoapUI is named in 38% of job postings at R3, followed by Jenkins (25%), Docker (25%), Prometheus (25%).
SoapUI
3 38%
Jenkins
2 25%
Docker
2 25%
Prometheus
2 25%
Terraform
2 25%
Git
1 13%
Rest API
1 13%
Helm
1 13%
Show all (9)
Which engineering practices does R3 ask for?
DeFi is named in 63% of job postings at R3, followed by CI/CD (38%), PKI (25%), TCP/IP (25%).
What other technologies does R3 use?
Solana is named in 88% of job postings at R3, followed by Corda (50%), Ethereum (13%).
What does each R3 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
QA
3 postingsWeb3
3 postingsHow does your stack fit R3?
How modern is the R3 stack?
R3 scores 75 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: 0; legacy ones: 0.
How common is the R3 stack in its industry?
Share of the 215 companies in the same industries, whose stack Alion knows, that use each technology.
What sets R3 apart
Companies with a stack like R3
Questions about the R3 tech stack
What programming languages does R3 use?
The languages named in R3 job postings are Kotlin (75%), TypeScript (63%), Rust (50%), Java (50%), JavaScript (25%), as a share of the 8 postings of the last 12 months.
Does R3 use Anchor?
Yes. Anchor is named in 3 of 8 job postings (38%) and required in 3 of them.
What cloud and platforms does R3 use?
The cloud and platforms named in R3 job postings are Kubernetes (4), GitHub Actions (2), Postman (2) (postings in brackets).
What skills do you need for a QA job at R3?
QA postings at R3 most often require Appium (3), Cucumber (3), Cypress (3), Selenium (3), out of 3 postings in the last 12 months.
Is the R3 tech stack changing?
No new technology has appeared in R3 job postings in the last six months.
How modern is the R3 tech stack?
R3 scores 75 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: 0; legacy ones: 0.
How does Alion know the R3 tech stack?
Alion reads every job posting R3 publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 14, 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, "R3 tech stack: 41 technologies from 8 job postings", as of Oct 14, 2026. https://alion.io/company/r3/technologies