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Updated 2022-01-04
Activated 2022-01-04

Back end Engineer No Japanese required

  • Recruiter
  • Staff Level
  • Flextime System
  • Less Than 20 Hours of Overtime
  • Online Interview
  • Business Expansion
  • Overseas Business
  • New Business
  • Company Language is English
  • English Language Skills
  • Urgent Hiring
  • Experience Welcome
This posting is managed by: Cornerstone Recruitment Japan K.K.
Company Name
Job Type
Cornerstone Recruitment Japan K.K.
IT (PC, Web, Unix) - Back-End Engineer
IT (PC, Web, Unix) - Programmer
IT (PC, Web, Unix) - Web Application SE
Industry IT - Other
Location Asia Japan Tokyo


Multinational User Experience/Analytics SaaS company.

The company provides a service to clients which enables analysis of user behavior on client platforms (websites, mobile apps etc.), providing data that can later be used to create business plans and marketing strategy.

With over a billion users already analyzed, you will be part of a rapidly growing company and be able to challenge yourself.


Work on a successful flagship product that is strong locally and currently expanding overseas (APAC and US)

Work in a global environment with engineers from overseas

Fast-paced environment with continuously evolving technology and prototyping

Flexible work-style (remote work allowed even pre-Covid), flex time

Competitive salary


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 growing DX market.

As a Back End Engineer (Python), your mission is to:

Troubleshoot and enhance current back-end Python applications.

Analyze the industry developments, trends, and formulate more efficient processes.

Discover product issues by yourself and propose improvement measures.

Solve technical problems, and create a more seamless experience for users.

Actively participate in the tech reviews.

Educate, Coach and mentor the junior members.

Keep our technology stack up to date.

Have an interest in the design of the whole service and its issues.


2+ years of software development experience with Python and AWS.

Public cloud development and operation experience using Docker.

ETL development experience with public cloud especially AWS.

CI/CD construction and operation experience.

At least low-Intermediate Level English (listening, speaking, reading, and writing).

Having great communication skills and teamwork skills to work as a team.


Experience designing software architecture.

Experience designing schemas and SQL performance tuning for databases.

Using IaC experience such as Terraform, Cloudformation.

Container Orchestration experience such as Kubernetes.

Experience of data visualization or analysis with Redash (BI tool).

Software development experience with Java.

Experience with monitoring tools such as Grafana or Prometheus.

Experience with Agile Scrum-based development process.

Experience in team management.

Motivation to learn Japanese.

Technology stack (for your reference):

Server-Side: Java, Django

Front End: Vue.js, TypeScript

Data collect: Apache httpd, Nginx, Firebase, Treasure Data

DB: Cassandra, MySQL (RDS), Redis (ElastiCache), Presto(Athena), BigQuery

Middleware: RabbitMQ, Kafka, AWS Glue, AWS Batch, AWS Lambda

Cloud: AWS, GCP, Docker, Kubernetes (EKS), Terraform

VCS: GitHub

CI/CD: GitHub Actions, ArgoCD

Monitoring System: Kibana, Grafana, CloudWatch, PagerDuty, Sentry, FullStory

Communication: Slack, Zoom

Project Management / Documentation: JIRA, esa, Confluence, Google Drive
English Level Business Conversation Level (TOEIC 735-860)
Japanese Level None
Salary Depends on experience   
Other Salary
Social Insurance
Commuting/ Transportation Allowance
Education/ Training
Holidays Sick Leave
Paid Holidays
Five-Day Workweek

Please apply from here



Cornerstone Recruitment Japan K.K.

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Back end Engineer No Japanese required