Mercari group’s Technology
What tech stacks do Mercari group’s engineering organization work with? At Mercari group, we choose the most relevant and optimal technologies for our services and products, and design team structures in ways that encourage independent decision making.
*Latest as of June 1st 2026
| Category | Technology Stack |
|---|---|
| Programming Languages/ Library etc. | Web Frontend HTML, CSS, TypeScript, React, Next.js, Apollo Client, Playwright, Vue.js, Jest, Vitest, Jotai, Panda.css |
| Android Kotlin, Gradle Kotlin DSL, Jetpack Compose, Hilt, Kotlin Coroutines, JUnit, Espresso |
|
| iOS Swift, SwiftUI, Bazel |
|
| Backend Go, Python |
|
| Machine learning Python, scikit-learn, PyTorch, PyTorch Lightning, ONNX, Triton |
|
| Others Protocol Buffer (gPRC), GraphQL |
|
| Code Management | GitHub |
| Containerization & Orchestration | Docker, Kubernetes |
| DevOps | GitHub Actions, Terraform, Argo Workflows, Linear |
| Data Analytics/Platform | BigQuery, DBT, GCP Looker, GCP Dataproc, Dataform, Dataflow/Apache Beam, Airflow |
| Database | Google Cloud Spanner, Google Cloud SQL(MySQL), Google Cloud SQL(MySQL/PostgreSQL), Memorystore for Valkey, Memorystore for Redis, TiDB, AlloyDB |
| Infrastructure | Google Cloud Platform, Amazon Web Services |
| Middleware | Atlas, Cloud Pub/Sub, Istio |
| Monitoring | Datadog, Firebase, PagerDuty, GCP Cloud Monitoring |
| Search Engine | Elasticsearch |
| Security | GitHub Dependatbot, GitHub CodeQL, Google Secret Manager, Trivy, Opal |
| Workflow Engine | n8n, Argo |
| General Tools | Memorystore for Memcached, Sourcegraph, Postman |
| AI Tools | Claude Code, Gemini, GitHub Copilot, Cursor |