Technology Stack
Introducing the tech stacks that are used by each team and for each service at Mercari.
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 July 1st 2022
| Category | Technology Stack |
|---|---|
| Programming Languages/ Library etc. | Web Frontend HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright, Vue.js, Nuxt, Jest |
| Android Kotlin, Gradle Kotlin DSL, Jetpack Compose, Dagger2, RxJava, Kotlin Coroutines, Protocol Buffers, JUnit, Espresso, Java |
|
| iOS SwiftUI, Combine, Swift, ReactiveSwift, Cocoapods, Carthage, Bazel, UIKit, Xcodegen, Objective-C |
|
| Backend Go, PHP, gRPC, Java, Scala, GraphQL, Python, TypeScript, Node.js, NestJS |
|
| DataPlatform Python, Java, Scala |
|
| Other gRPC, GraphQL, Bazel |
|
| Infrastructure | Google Cloud Platform, Amazon Web Services |
| Middleware | NGINX, Cloud Pub/Sub, Memorystore for Redis, Hashicorp Vault, Apache Spark, Apache Flink, Cloud Functions, AWS Lambda, Kafka, Debezium, Polyaxon, Neo4j, Unleash |
| Database | Cloud Spanner, MySQL, Cloud SQL(MySQL, PostgreSQL), Datastore, BigTable, Firestore [Storage] Google Cloud Storage, Amazon S3 |
| Monitoring | Datadog, Mackerel, PagerDuty, Kibana, Cloud Monitoring, Sentry, Crashlytics |
| Data analytics | BigQuery, Looker, Superset, Data Studio, Cloud Logging, Splunk Cloud |
| Environment setup | Docker, Terraform, Spinnaker, Cloud Build, Ansible, Bazel, CUE |
| Container Orchestration | Kubernetes, Cloud Run |
| CI | CircleCI, GitHub Actions, Cloud Build |
| Machine learning Library | Kubeflow, scikit-learn, TensorFlow, PyTorch, LightGBM, Optuna, PyTorch Lightning, ONNX, Vertex AI, Feature Store(FEAST), Neo4j, networkx, Python |
| Search Engine | Elasticsearch, Apache Solr, Elastic Search Cloud |
| Workflow Engine | Apache Airflow, DigDag, Argo Workflows, Dataflow, Cloud Workflows |
| Code Management | GitHub, Gerrit |
| Test automation tools | JavaScript, Go, gRPC, GitHub, CircleCI, Cypress, Postman |