デジタルマーケティング支援事業でのInfrastructure Engineer（Senior Level）の求人

＜Challenges that we face＞
● Large offline data import processes, with latency constraints.
● Near real-time processing of large datasets.
● Data analytics of even greater volumes of data.
● Processing bulk data through Machine Learning algorithms for clustering, and predictions.
● Processing hundreds of millions of user sessions annually, imposes a significant challenge with respect to the design of its data structures, architecture, and domain logic.
● Constantly think, PoC and implement new solutions to onboard new customers in the continuously evolving DX market.

＜As a Infrastructure Engineer - Senior Level, your mission is to＞
● Lead and improve Kubernetes and cloud resource management.
● Identify a potential problem of infrastructure, propose possible solutions, and resolve the problem with a plan.

● Use your experience to make our infrastructure more reliable and scalable.
● Analyze the industry developments, trends, and formulate more efficient processes.
● Provide advice on projects from the architectural perspective.
● Keep our technology stack up to date.
● Educate, coach and mentor the junior members.

＜Technologies that we use (for reference)＞
● Cloud: AWS, GCP (Managed by Terraform)
● Platform: Docker, Kubernetes (EKS)
● CI/CD: GitHub Actions, ArgoCD
● Monitoring System: Prometheus, Grafana, CloudWatch, PagerDuty, Kibana, Sentry, FullStory
● DB: Cassandra, MySQL (RDS), Redis (ElastiCache), PrestoDB (Athena), BigQuery
● Middleware: Kafka, RabbitMQ, AWS Glue, AWS Batch, AWS Lambda
● Data collect: Apache httpd, Nginx, Firebase, Treasure Data
● Server Side: Java (Spring Boot), Python (Django, FastAPI)
● Front End: Vue.js, TypeScript
● VCS: GitHub
● Communication: Slack, Zoom
● Project Management / Documentation: JIRA, esa, Confluence, Google Drive

If you want to implement high volume data processing solutions, join us!
We provide competitive salaries and benefits.

＜Your Skills and experience that we look for＞
● Experience leading the design, implementation and maintenance of scalable infrastructure in AWS/GCP with IaC (Terraform/CloudFormation).
● 2+ years of experience in Kubernetes administration on a large scale.
● Expertise in leveraging Automation / DevOps principles and able to apply best practices for infrastructure and software deployment.
● Mentoring junior developers in gaining experience and assuming DevOps　responsibilities.
● Intermediate English Level (listening, speaking, reading, and writing).

Value-added skills:

● Profound understanding of Kubernetes (operator development, cluster management, etc.).
● Build and optimize data processing architecture with AWS services (Glue, EMR, Athena, Lambda) or GCP (Firebase, Firestore, BigQuery).
● Experience in establishing a workflow for incident response.
● Experience in administration of Apache Kafka, Apache Cassandra, MySQL on a large scale.
● Experience in setup of monitoring tools with high availability: Prometheus, Grafana, ELK stack.
● Experience in Linux and Unix administration.
● Experience with Python or Java (or any other JVM Languages).
● Experience with Agile Scrum-based development process.
● Japanese language skills (listening, speaking, reading and writing).