Rakuten tech stack
Rakuten builds mostly with Java, JavaScript, TypeScript, SQL. Its stack also includes AWS, Kubernetes, Spring Boot, React.js. Java is named in 12 of the 18 job postings Rakuten published in the last 12 months (67%). Counted by Alion from the job postings of Rakuten, updated Sep 28, 2026.
What programming languages does Rakuten use?
Java is named in 67% of job postings at Rakuten, followed by JavaScript (28%), TypeScript (22%), SQL (22%).
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What frameworks and libraries does Rakuten use?
Spring Boot is named in 28% of job postings at Rakuten, followed by React.js (28%), Hibernate (17%), Angular (17%).
Spring Boot
5 28%
React.js
5 28%
Hibernate
3 17%
Angular
3 17%
Django
2 11%
Flask
2 11%
Next.js
2 11%
TestNG
2 11%
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What databases does Rakuten use?
MySQL is named in 11% of job postings at Rakuten, followed by Amazon Aurora (6%), ElasticSearch (6%), MariaDB (6%).
What cloud and platforms does Rakuten use?
AWS is named in 56% of job postings at Rakuten, followed by Kubernetes (56%), Azure (44%), GCP (33%).
AWS
10 56%
Kubernetes
10 56%
Azure
8 44%
GCP
6 33%
Grafana
4 22%
GitLab
3 17%
GitLab CI
3 17%
Apache Kafka
2 11%
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What developer tools does Rakuten use?
Docker is named in 44% of job postings at Rakuten, followed by Jenkins (39%), Prometheus (28%), Git (22%).
Docker
8 44%
Jenkins
7 39%
Prometheus
5 28%
Git
4 22%
Rest API
2 11%
Gradle
2 11%
Claude Code
2 11%
Cursor
2 11%
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What AI and ML technologies does Rakuten use?
Claude is named in 11% of job postings at Rakuten, followed by Gemini (6%), LLM (6%).
Which engineering practices does Rakuten ask for?
CI/CD is named in 72% of job postings at Rakuten, followed by FinOps (11%), Platform Engineering (11%), A/B Testing (6%).
CI/CD
13 72%
FinOps
2 11%
Platform Engineering
2 11%
AIOps
1 6%
Anomaly Detection
1 6%
Dependency Injection
1 6%
Hallucination
1 6%
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What does each Rakuten team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
8 postingsHow does your stack fit Rakuten?
How modern is the Rakuten stack?
Rakuten scores 82 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: 3; legacy ones: 0.
How common is the Rakuten stack in its industry?
Share of the 349 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Rakuten apart
Companies with a stack like Rakuten
Questions about the Rakuten tech stack
What programming languages does Rakuten use?
The languages named in Rakuten job postings are Java (67%), JavaScript (28%), TypeScript (22%), SQL (22%), Go (17%), as a share of the 18 postings of the last 12 months.
Does Rakuten use Spring Boot?
Yes. Spring Boot is named in 5 of 18 job postings (28%) and required in 5 of them.
What cloud and platforms does Rakuten use?
The cloud and platforms named in Rakuten job postings are AWS (10), Kubernetes (10), Azure (8) (postings in brackets).
What skills do you need for a Backend job at Rakuten?
Backend postings at Rakuten most often require Java (7), AWS (5), Spring Boot (5), Azure (4), out of 8 postings in the last 12 months.
Is the Rakuten tech stack changing?
No new technology has appeared in Rakuten job postings in the last six months.
How modern is the Rakuten tech stack?
Rakuten scores 82 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: 3; legacy ones: 0.
How does Alion know the Rakuten tech stack?
Alion reads every job posting Rakuten publishes and tags the technologies each one names. The figures on this page count the 18 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, "Rakuten tech stack: 100 technologies from 18 job postings", as of Sep 28, 2026. https://alion.io/company/rakuten/technologies