Rakuten Rewards tech stack
Rakuten Rewards builds mostly with SQL, Python, Java, JavaScript. Its stack also includes Apache Kafka, GitHub, Snowflake, MySQL. SQL is named in 6 of the 21 job postings Rakuten Rewards published in the last 12 months (29%). Counted by Alion from the job postings of Rakuten Rewards, updated Nov 10, 2026.
What programming languages does Rakuten Rewards use?
SQL is named in 29% of job postings at Rakuten Rewards, followed by Python (29%), Java (24%), JavaScript (14%).
SQL
6 29%
Python
6 29%
Java
5 24%
JavaScript
3 14%
Kotlin
2 10%
TypeScript
2 10%
Node JS
1 5%
Objective-C
1 5%
Show all (10)
What frameworks and libraries does Rakuten Rewards use?
JUnit is named in 10% of job postings at Rakuten Rewards, followed by CryptoKit (5%), Dagger (5%), Espresso (5%).
JUnit
2 10%
CryptoKit
1 5%
Dagger
1 5%
Espresso
1 5%
Hilt
1 5%
Jetpack Compose
1 5%
LangChain
1 5%
LocalAuthentication
1 5%
Show all (23)
What databases does Rakuten Rewards use?
Snowflake is named in 14% of job postings at Rakuten Rewards, followed by MySQL (10%), PostgreSQL (10%), Redis (10%).
Snowflake
3 14%
MySQL
2 10%
PostgreSQL
2 10%
Redis
2 10%
MariaDB
1 5%
Amazon Neptune
1 5%
Amazon Redshift
1 5%
Google BigQuery
1 5%
Show all (9)
What cloud and platforms does Rakuten Rewards use?
Apache Kafka is named in 19% of job postings at Rakuten Rewards, followed by GitHub (19%), Tableau (19%), AWS (14%).
Apache Kafka
4 19%
GitHub
4 19%
Tableau
4 19%
AWS
3 14%
Azure
3 14%
Figma
3 14%
GitHub Actions
3 14%
Kubernetes
3 14%
Show all (21)
What developer tools does Rakuten Rewards use?
Microsoft Excel is named in 14% of job postings at Rakuten Rewards, followed by Claude Code (14%), Docker (14%), Git (10%).
Claude Code
3 14%
Docker
3 14%
Git
2 10%
Jenkins
2 10%
Rest API
2 10%
Copilot
1 5%
Cursor
1 5%
Show all (14)
What AI and ML technologies does Rakuten Rewards use?
Claude is named in 19% of job postings at Rakuten Rewards, followed by LLM (14%), ChatGPT (5%), GPT-4 (5%).
Which engineering practices does Rakuten Rewards ask for?
CI/CD is named in 24% of job postings at Rakuten Rewards, followed by Machine Learning (24%), A/B Testing (14%), AI Agents (14%).
CI/CD
5 24%
AI Agents
3 14%
MVVM
2 10%
Anomaly Detection
1 5%
Clean Architecture
1 5%
Show all (18)
What other technologies does Rakuten Rewards use?
Kotlin Coroutines is named in 5% of job postings at Rakuten Rewards.
Kotlin Coroutines
1 5%
What does each Rakuten Rewards team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Finance
4 postingsBackend
3 postingsDesign
3 postingsHow does your stack fit Rakuten Rewards?
How much does Rakuten Rewards pay by technology?
Median stated pay of the postings that name each technology, against the median of all Rakuten Rewards postings with stated pay: $164k across 18 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 6 | $164k | 0% |
| Python | 6 | $124k | −24% |
How is the Rakuten Rewards 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 Rewards stack?
Rakuten Rewards scores 85 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: 4; legacy ones: 0.
How common is the Rakuten Rewards stack in its industry?
Share of the 197 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Rakuten Rewards
Questions about the Rakuten Rewards tech stack
What programming languages does Rakuten Rewards use?
The languages named in Rakuten Rewards job postings are SQL (29%), Python (29%), Java (24%), JavaScript (14%), Kotlin (10%), as a share of the 21 postings of the last 12 months.
Does Rakuten Rewards use JUnit?
Yes. JUnit is named in 2 of 21 job postings (10%) and required in 2 of them.
What cloud and platforms does Rakuten Rewards use?
The cloud and platforms named in Rakuten Rewards job postings are Apache Kafka (4), GitHub (4), Tableau (4) (postings in brackets).
What skills do you need for a Finance job at Rakuten Rewards?
Finance postings at Rakuten Rewards most often require Microsoft Excel (3), Tableau (2), out of 4 postings in the last 12 months.
Is the Rakuten Rewards tech stack changing?
Yes. MySQL, PostgreSQL, Redis, AI Agents first appeared in Rakuten Rewards job postings in the last six months.
How modern is the Rakuten Rewards tech stack?
Rakuten Rewards scores 85 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: 4; legacy ones: 0.
How does Alion know the Rakuten Rewards tech stack?
Alion reads every job posting Rakuten Rewards 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 Nov 10, 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 Rewards tech stack: 100 technologies from 21 job postings", as of Nov 10, 2026. https://alion.io/company/rakuten-group/technologies