• Full-time

Publication date: 2025.03.12

社名非公開

Data Engineer – SaaS Infrastructure Development(13011)

  • R&D / Engineer /Technician (AI, Data)
  • Tokyo
  • Salary 6M~9M
【総合提案型データソリューション企業】データエンジニア *充実のオフィス環境(13011)
職種Position R&D / Engineer /Technician (AI, Data)
会社概要Company profile [Company Overview]
Established in April 2007, this tech company specializes in cloud and data center optimization as well as data utilization.
Our mission is to help businesses achieve their goals by providing comprehensive support for public cloud adoption, data center and hosting services, and data analytics and machine learning implementation — all aimed at accelerating digital transformation.
仕事内容Job description *This position is available only for people residing in Japan

■ Job Description
You will be responsible for developing a service that provides added value to customers by processing and analyzing customer data (AWS Cost and Usage Reports, commonly known as CUR) stored in Amazon S3.

Key Responsibilities
• Manage data pipelines using AWS Step Functions
• Add and modify state machines using Amazon States Language
• Build infrastructure for data pipelines
• Define various resources using AWS CloudFormation
• Implement Python-based processing programs for each task
• Primarily using the pandas library
• Integration with Amazon S3, Amazon Redshift, Amazon RDS, and AWS SDK for Python (Boto3)
• Refactor legacy code and maintain black-boxed code
• Data visualization and dashboard creation using BI tool (Looker)
• Define views and models with LookML and build dashboards
• Conduct code reviews for colleagues’ programs using GitHub pull requests

■ Development Environment
• Infrastructure: AWS Step Functions, AWS CloudFormation, AWS Lambda, Amazon ECS, Amazon EMR, Amazon S3, Amazon Redshift, Amazon RDS, Amazon ECR
• Languages: Python (main), PySpark (secondary)
• Package Management: poetry
• Static Analysis Tools: Ruff, mypy
• Code Management: GitHub
• Communication Tools: Slack, internal messaging platform

■ Comfortable Office Environment
Concept: “Second Home”
• Spacious 1600mm desk space per person
• Ergonomic Aeron chairs at all workstations
• Private partitions for improved focus
• In-house library with nearly 100 magazines and books
• Cafe space freely accessible to all employees
• On-site masseuse: Receive massages during working hours with a reservation
応募資格Requirement ■ Requirements
•3+ years of experience developing programs using Python or PySpark
•Experience in developing and operating data processing infrastructure
•Hands-on experience with version control tools such as Git
•Experience conducting code reviews
•Basic knowledge of databases and data warehouses (DB/DWH)
•Business-level or higher Japanese proficiency
(Equivalent to JLPT N2 or above; conversational ability is emphasised—official certification not required)

■ Preferred Qualifications
•Experience leading development projects (Project Leader / Project Manager)
•Experience developing and operating ETL programs on AWS
•Experience designing data platform architecture
•Experience developing programs that require high output accuracy
•Experience building operation automation tools
•Korean language proficiency
日本語力Japanese level Business
雇用形態Employment type Full-time
勤務エリアLocation Tokyo
勤務時間Working hours 10:00〜18:30 (1hr break)
想定年収Salary 6M~9M
条件・待遇Condition ■ Employment Conditions
Employment Type: Permanent
Trial Period: 3 months
Annual Salary: ¥6M–¥9M (*Negotiable based on skills and experience)
Working Hours: Standard working hours with an average of 10–15 hours of overtime per month
Days Off: Two days off per week (Saturday and Sunday), national holidays
Total Annual Holidays: Over 120 days /year
Vacation: Summer vacation, New Year holidays, special leave, and refreshment leave (10 days + monetary subsidy after 5 years of service)
Smoking Policy: No smoking indoors
Social Insurance: Full coverage provided
Transportation Allowance: Fully reimbursed (based on standard commuting route and within tax-exempt limits)
選考についてProcess Number of positions: 1
Documents required for application: Resume and work history
Online interview: Possible (final interview is face-to-face)
Interview language: Japanese
Number of interviews/flow: 2
*Subject to change depending on hiring situation and job seekers
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