Rakuten
Digital Banks & Neobanks · Mobile Networks

Rakuten tech stack

Rakuten builds mostly with SQL, Python, Java, JavaScript. Its stack also includes GCP, AWS, MySQL, Redis. SQL is named in 105 of the 335 job postings Rakuten published in the last 12 months (31%). Counted by Alion from the job postings of Rakuten, updated Nov 10, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 10, 2026
Technologies in use
304
Postings analysed
335
Open now
276
Modernity
79 /100
New in 6 months
8

What programming languages does Rakuten use?

SQL is named in 31% of job postings at Rakuten, followed by Python (27%), Java (17%), JavaScript (14%).

SQL 105 31% required in 99% · 87 open now · since Apr 2026
Python 91 27% required in 98% · 78 open now · since Feb 2026
Java 56 17% required in 73% · 41 open now · since Apr 2026
JavaScript 46 14% required in 78% · 33 open now · since Oct 2025
TypeScript 16 5% required in 81% · 8 open now · since Oct 2025
PHP 15 4% required in 87% · 14 open now · since Jun 2026
Go 11 3% required in 82% · 8 open now · since Jun 2026
Node JS 7 2% required in 43% · 4 open now · since Apr 2026
Show all (25)
ABAP6
PowerShell4
Apex4
Bash3
Groovy3
Kotlin3
COBOL2
Ruby2
Sass2
C#2
C++1
Haskell1
Perl1
Rust1
SPSS1
Scala1
Swift1

What frameworks and libraries does Rakuten use?

Spring Boot is named in 4% of job postings at Rakuten, followed by React.js (4%), JUnit (3%), Spring Framework (2%).

Spring Boot 15 4% required in 100% · 10 open now · since Jun 2026
React.js 14 4% required in 71% · 7 open now · since Oct 2025
JUnit 9 3% required in 78% · 4 open now · since Jun 2026
Spring Framework 7 2% required in 86% · 5 open now · since Apr 2026
Angular 6 2% required in 50% · 2 open now · since Apr 2026
Hadoop 6 2% required in 33% · 2 open now · since Jul 2026
Vue.js 5 1% required in 100% · 4 open now · since Oct 2025
LangChain 4 1% required in 100% · 1 open now · since Jul 2026
Show all (52)
Next.js4
Playwright4
Flink3
LangGraph3
PyTorch3
Scikit-learn3
Selenium3
Spring Cloud3
Appium2
Cypress2
NumPy2
Svelte2
Tailwind CSS2
TensorFlow2
AutoGen1
CUDA1
Catalyst1
CodeIgniter1
CrewAI1
DeepSpeed1
FSDP1
Flask1
Hypothesis1
Jest1
Keras1
Laravel1
LlamaIndex1
Material UI1
Megatron-LM1
Micronaut1
NCCL1
Nuxt.js1

And 12 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%), Google BigQuery (6%), Oracle (4%).

MySQL 29 9% required in 83% · 24 open now · since May 2026
Redis 21 6% required in 67% · 15 open now · since May 2026
Google BigQuery 19 6% required in 100% · 11 open now · since Jun 2026
Oracle 15 4% required in 100% · 13 open now · since May 2026
MariaDB 10 3% required in 90% · 7 open now · since May 2026
Cassandra 9 3% required in 67% · 4 open now · since May 2026
Couchbase 8 2% required in 63% · 4 open now · since May 2026
PostgreSQL 7 2% required in 100% · 6 open now · since May 2026
Show all (25)
ElasticSearch7
Snowflake4
Presto4
Amazon Aurora3
ClickHouse3
Delta Lake2
Teradata2
Aerospike1
Apache Iceberg1
DuckDB1
Google Cloud Spanner1
MS SQL1
Memcached1
TiDB1
YugabyteDB1
Dgraph1
DynamoDB1

What cloud and platforms does Rakuten use?

GCP is named in 20% of job postings at Rakuten, followed by AWS (16%), Azure (15%), Kubernetes (15%).

GCP 66 20% required in 92% · 51 open now · since Feb 2026
AWS 53 16% required in 92% · 47 open now · since Feb 2026
Azure 49 15% required in 92% · 41 open now · since Apr 2026
Kubernetes 49 15% required in 90% · 39 open now · since Apr 2026
Linux 39 12% required in 95% · 33 open now · since Feb 2026
Tableau 33 10% required in 91% · 27 open now · since May 2026
Apache Kafka 25 7% required in 80% · 17 open now · since Jun 2026
Domo 22 7% required in 95% · 20 open now · since May 2026
Show all (73)
Grafana20
Windows15
Figma13
Looker12
GitHub Actions11
Spark11
Databricks10
Unix10
Power BI10
Kibana9
RabbitMQ9
MicroStrategy8
GitHub7
Active Directory6
Datadog6
GitLab CI6
SIEM6
PagerDuty6
Bitbucket5
VMWare5
SonarQube5
Airflow4
Microsoft Entra ID4
SAP BTP4
SAP Fiori4
Vertex AI4
Windows Server4
Google Cloud Run3
Langfuse3
Okta3
vLLM3
API Gateway2

And 33 more, each named in fewer postings.

What developer tools does Rakuten use?

Docker is named in 12% of job postings at Rakuten, followed by Jenkins (11%), Microsoft Excel (7%), Git (7%).

Docker 39 12% required in 90% · 31 open now · since Apr 2026
Jenkins 37 11% required in 89% · 24 open now · since Oct 2025
Microsoft Excel 25 7% required in 100% · 22 open now · since Apr 2026
Git 25 7% required in 88% · 18 open now · since Oct 2025
Terraform 21 6% required in 100% · 15 open now · since May 2026
Prometheus 16 5% required in 88% · 12 open now · since Apr 2026
Claude Code 15 4% required in 100% · 10 open now · since Apr 2026
Ansible 14 4% required in 100% · 9 open now · since Apr 2026
Show all (66)
Copilot13
Rest API9
Cursor7
Adobe Photoshop6
Nginx6
Apache Tomcat5
GraphQL5
Model Context Protocol5
Apache HTTP Server5
Gradle5
Adobe XD4
Logstash4
dbt4
Chef3
CircleCI3
Google ADK3
Maven3
Sketch3
Vite3
Webpack3
Helm3
ArgoCD2
Gatling2
HashiCorp Vault2
Kong2
Locust2
gRPC2
k62
A2A1
Adobe Illustrator1
Alteryx1
Argo Workflows1

And 26 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%).

LLM 26 8% required in 100% · 19 open now · since Jun 2026
ChatGPT 5 1% required in 100% · 4 open now · since Jun 2026
Claude 5 1% required in 100% · 4 open now · since Jun 2026
LoRA 1 <1% required in 100% · 1 open now · since Aug 2026
PEFT 1 <1% optional · 1 open now · since Aug 2026

Which engineering practices does Rakuten ask for?

CI/CD is named in 19% of job postings at Rakuten, followed by Machine Learning (14%), AI Agents (7%), A/B Testing (6%).

CI/CD 64 19% required in 92% · 44 open now · since Apr 2026
Machine Learning 46 14% required in 100% · 42 open now · since Apr 2026
AI Agents 25 7% required in 100% · 20 open now · since Jan 2026
A/B Testing 20 6% required in 100% · 15 open now · since Jul 2026
Incident Management 15 4% required in 100% · 14 open now · since May 2026
IAM 10 3% required in 100% · 8 open now · since May 2026
TCP/IP 10 3% required in 100% · 6 open now · since Jun 2026
ETL/ELT 10 3% required in 80% · 8 open now · since Apr 2026
Show all (58)
FinOps9
Prompt Engineering9
Wi-Fi9
RAG8
SLI/SLO/SLA8
DNS6
Platform Engineering6
VPN6
Recommender Systems5
Configuration Management4
Function Calling4
Semantic Search4
AIOps3
Anomaly Detection3
Chaos Engineering3
GitOps3
Hallucination3
Material Design3
SRE3
Self-Healing3
NLP3
DHCP2
Fine-tuning2
LLM Guardrails2
Master Data Management2
Structured Outputs2
Agentic Workflows1
BGP1
Blue-Green Deployment1
CSS Modules1
Chain-of-Thought1
Computer Vision1

And 18 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.

Backend

29 postings
Kubernetes16
Docker15
Java14
Jenkins14
MySQL12
Spring Boot12

Product

28 postings
SQL12
LLM4
Tableau3
Claude2
Claude Code2
Looker2

DevOps

27 postings
GCP15
Azure14
Python14
Kubernetes13
AWS12
Linux11

Marketing

24 postings
SQL16
Python6
Tableau5
JavaScript4
Domo3
Teradata2

Sales

24 postings
SQL8
Python6
Microsoft Excel5
Domo3
Cassandra2
Couchbase2

Management

23 postings
Domo3
Java3
ChatGPT2
Docker2
Kubernetes2
Linux2

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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.

First appeared
AirflowOct 2026
Azure DevOpsSep 2026
Delta LakeSep 2026
FirebaseSep 2026
SvelteSep 2026
Tailwind CSSSep 2026
KotlinSep 2026
GatlingSep 2026
Rising
AWS8% → 19%
Java10% → 20%
Linux4% → 14%
GCP13% → 22%
Azure8% → 17%
Docker5% → 14%
Kubernetes10% → 17%
JavaScript10% → 15%
Falling
Tableau14% → 8%
LLM11% → 7%
Domo10% → 6%
Incident Management7% → 4%
Spring Boot7% → 4%
Cassandra5% → 2%
PostgreSQL4% → 1%
Wi-Fi4% → 2%
Not named for 6 months
MuleSoftApr 2026

How modern is the Rakuten stack?

Cutting-edge AI adopter 79/100

Rakuten scores 79 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 common is the Rakuten stack in its industry?

Share of the 2,220 companies in the same industries, whose stack Alion knows, that use each technology.

SQL55%
Python51%
GCP29%
Java29%
AWS41%
Azure28%
Kubernetes35%
JavaScript47%
Linux28%
Tableau18%

What sets Rakuten apart

Domo1%
MariaDB4%
Couchbase1%
MicroStrategy1%
Spring Framework4%
ABAP2%
PagerDuty2%
Bitbucket4%
SonarQube4%
Apex4%

Questions about the Rakuten tech stack

What programming languages does Rakuten use?

The languages named in Rakuten job postings are SQL (31%), Python (27%), Java (17%), JavaScript (14%), TypeScript (5%), as a share of the 335 postings of the last 12 months.

Does Rakuten use Spring Boot?

Yes. Spring Boot is named in 15 of 335 job postings (4%) and required in 15 of them.

What cloud and platforms does Rakuten use?

The cloud and platforms named in Rakuten job postings are GCP (66), AWS (53), Azure (49) (postings in brackets).

What skills do you need for a Backend job at Rakuten?

Backend postings at Rakuten most often require Kubernetes (16), Docker (15), Java (14), Jenkins (14), out of 29 postings in the last 12 months.

Is the Rakuten tech stack changing?

Yes. Airflow, Azure DevOps, Delta Lake, Firebase first appeared in Rakuten job postings in the last six months.

How modern is the Rakuten tech stack?

Rakuten scores 79 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 335 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 tech stack: 304 technologies from 335 job postings", as of Nov 10, 2026. https://alion.io/company/rakuten-5/technologies

Licence: CC BY-SA 4.0JSON