Keisuke Taniguchi

□ Development and operation of data infrastructure (2023/06/16 ~ current)

- Building a DevOps culture. Organizational setup such as delegation of authority.
- Establishing an environment where developers can build CI/CD on their own.
- To advance the Infrastructure as Code (IaC) for the data infrastructure, I shared knowledge about Terraform and facilitated its implementation.
- Proposal and implementation of operational improvements.
- Designing, developing, and operating the data infrastructure to make the operation easy.
- Lead migration project from a technical perspective

Technologies used: AWS / Terraform / Databricks / dbt / Python / Spark

AWS: S3 / Athena / Glue / Lambda / Step Functions / CodePipeline / CodeBuild / CodeCommit / EventBridge..etc

□ OSS Contribution
- terraform-provider-databricks
- terraform-provider-aws
- dbt-databricks

https://github.com/case-k-git/oss-contribution

□ Development and operation of data infrastructure (2020/03 ~ 2022/04)
- Development and operation of a company-wide real-time data infrastructure
- Infrastructure design and development of Redash
- Replacement of the legacy company-wide common data infrastructure
- Operation of the log collection infrastructure
- Data linkage of on-premises, AWS, GCP, and external systems both batch and streaming job
- Implementation of data governance and confidential information management mechanisms
- Cost optimization and operational improvements and automation for the data infrastructure

Technologies used: AWS / GCP / Java / Go / Python / Ruby / Embulk / fluentd / Digdag / Terraform / CircleCI / GitHub Actions / MySQL / PostgreSQL / SQL Server / Swagger

□ Development and operation of delivery infrastructure (2020/03~ 2020/06, 2022/04 ~ 2023/05)
- Development and operation of the delivery infrastructure
- Development and operation of the data collaboration infrastructure for delivery
- Operational improvements and automation

Technologies used: AWS / GCP / JBoss Data Grid / Spring / Ruby on Rails / Firebase / LINE＠ / MPSE / Java / Go / Python / Ruby / Embulk / Digdag / Terraform / CircleCI / GitHub Actions / PostgreSQL / SQL Server / Datadog / Swagger

AWS：OpsWorks / S3 / ECS / EC2 / ALB / Fargate / Lambda / Cloud Formation / Transit Gateway / Direct Connect / Aurora / EC2 Image Builder / CloudWatch / Kinesis / ElastiCache

GCP：BIgQuery / Cloud Pub/Sub / Cloud Dataflow / Cloud Functions / Cloud Datastore/ Cloud SQL / GCS / GKE / GCE / Cloud Run / SharedVPC / Firebase / Cloud Logging / Cloud Monitoring

◻︎OSS Contribution
- embulk-output-bigquery
- fluent-plugin-gcloud-pubsub-custom
- beam
- redash

https://github.com/case-k-git/oss-contribution

□ Development of a signage planning system utilizing location information (2017 06 ~ 2020 02)
- Analyzer geo location data and create signage delivery segments using location information
- Design of anomaly detection logic included in ad requests (RTB)
- Support for purchase evaluation of data
- Lead project and manage development team member
- Performance tuning of planning system

Technologies used: BigQuery / Jupyter Notebook / Machine Learning / React / Node.js / Postgres / Python / CartoDB

□ Application development (2016 06 ~ 2017 05)
Development of iOS/Android apps for group companies
Technologies used: Firebase / Realm/ MySQL / Laravel /Android / Swift / PHP