Rakuten tech stack
Rakuten builds mostly with SQL, Python, JavaScript, Java. Its stack also includes GCP, AWS, MySQL, Redis. SQL is named in 80 of the 280 job postings Rakuten published in the last 12 months (29%). Counted by Alion from the job postings of Rakuten, updated Sep 26, 2026.
What programming languages does Rakuten use?
SQL is named in 29% of job postings at Rakuten, followed by Python (24%), JavaScript (15%), Java (15%).
SQL
80 29%
Python
68 24%
JavaScript
43 15%
Java
42 15%
TypeScript
14 5%
PHP
12 4%
Go
8 3%
Node JS
7 3%
Show all (22)
What frameworks and libraries does Rakuten use?
PoC Library is named in 5% of job postings at Rakuten, followed by React.js (5%), Spring Boot (4%), Spring Framework (3%).
React.js
13 5%
Spring Boot
12 4%
Spring Framework
7 3%
JUnit
7 3%
Hadoop
6 2%
Angular
5 2%
Commander.js
4 1%
Show all (48)
And 8 more, each named in fewer postings.
What databases does Rakuten use?
MySQL is named in 9% of job postings at Rakuten, followed by Redis (6%), BigQuery (5%), Google BigQuery (5%).
MySQL
25 9%
Redis
16 6%
BigQuery
13 5%
Google BigQuery
13 5%
Oracle
13 5%
Cassandra
10 4%
MariaDB
8 3%
PostgreSQL
6 2%
Show all (22)
What cloud and platforms does Rakuten use?
GCP is named in 18% of job postings at Rakuten, followed by AWS (15%), Azure (14%), Kubernetes (12%).
GCP
50 18%
AWS
42 15%
Azure
38 14%
Kubernetes
34 12%
Tableau
28 10%
Apache Kafka
18 6%
Show all (63)
And 23 more, each named in fewer postings.
What developer tools does Rakuten use?
Jenkins is named in 11% of job postings at Rakuten, followed by Docker (10%), Microsoft Excel (8%), Git (6%).
Jenkins
30 11%
Docker
28 10%
Git
17 6%
Terraform
15 5%
Claude Code
12 4%
Ansible
11 4%
Prometheus
10 4%
Show all (58)
And 18 more, each named in fewer postings.
What AI and ML technologies does Rakuten use?
LLM is named in 8% of job postings at Rakuten, followed by ChatGPT (1%), Claude (1%), LoRA (<1%).
Which engineering practices does Rakuten ask for?
CI/CD is named in 17% of job postings at Rakuten, followed by Machine Learning (13%), AI Agents (6%), A/B Testing (5%).
CI/CD
48 17%
AI Agents
18 6%
Incident Management
9 3%
Prompt Engineering
8 3%
Show all (57)
And 17 more, each named in fewer postings.
What does each Rakuten team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Management
24 postingsSales
24 postingsMarketing
22 postingsDevOps
21 postingsProduct
20 postingsBackend
20 postingsHow does your stack fit Rakuten?
How is the Rakuten 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 Rakuten stack?
Rakuten scores 80 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 Rakuten
Questions about the Rakuten tech stack
What programming languages does Rakuten use?
The languages named in Rakuten job postings are SQL (29%), Python (24%), JavaScript (15%), Java (15%), TypeScript (5%), as a share of the 280 postings of the last 12 months.
Does Rakuten use PoC Library?
Yes. PoC Library is named in 13 of 280 job postings (5%) and required in 13 of them.
What cloud and platforms does Rakuten use?
The cloud and platforms named in Rakuten job postings are GCP (50), AWS (42), Azure (38) (postings in brackets).
What skills do you need for a Management job at Rakuten?
Management postings at Rakuten most often require SQL (6), Python (4), Domo (3), Java (3), out of 24 postings in the last 12 months.
Is the Rakuten tech stack changing?
Yes. Kotlin, Master Data Management, ArgoCD, Helm first appeared in Rakuten job postings in the last six months.
How modern is the Rakuten tech stack?
Rakuten scores 80 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 Rakuten tech stack?
Alion reads every job posting Rakuten publishes and tags the technologies each one names. The figures on this page count the 280 postings of the last 12 months and were updated on Sep 26, 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: 275 technologies from 280 job postings", as of Sep 26, 2026. https://alion.io/company/rakuten-5/technologies