Senior Software Engineer Data Platform & Insights

Our client is a large-scale technology company operating globally, with a strong presence across multiple digital services such as online platforms, fintech, communications, and media. They serve a vast and diverse user base and continue to invest heavily in data and AI-driven innovation.

The team is responsible for building and evolving data platforms that power analytics and personalization across various products. They work in a highly collaborative, international environment with a strong engineering culture.

We are looking for an experienced Software Engineer to contribute to the development of scalable data systems and intelligent applications. This role involves working across the full development lifecycle and playing an active part in technical decision-making.

Key Responsibilities

Design and develop backend services and data-driven applications

Contribute to system architecture and technical strategy

Build and optimize large-scale data processing pipelines

Ensure system reliability, scalability, and performance

Participate in code reviews and provide technical guidance

Collaborate with cross-functional teams including data and product stakeholders

Qualifications

Job Level

· Senior (approximately 8+ years of professional experience or equivalent skills)

Mandatory Skills / Experience

High level of familiarity with the full web stack

Expert/Senior level in at least one of the major/modern computer languages including but not limited to Python, C/C++, Java, or Go, etc.

Interest and ability to learn other coding language(s) or new technologies(s) as needed.

Experience with modern CI/CD processes & DevOps

Experience with Cloud Native Technologies (E.g. Docker, Kubernetes)

Bachelor's degree in Computer Science (or related technical/scientific field) or equivalent practical experience

Business Level English

Desired Skills / Experience

Experience with data engineering, including ETL, data warehousing, and handling large datasets

Knowledge of distributed computing technologies (Hadoop, Spark, Kafka, Kubernetes)

Familiarity with relational and NoSQL databases

Experience with public cloud platforms (AWS, Azure, GCP)

Solid understanding of software development best practices (testing, code reviews, CI/CD, Git)

Familiarity with multiple architectural patterns and design principles

Experience leading engineering teams, including people management, project oversight, and cost management

Experience in the Marketing Technology (MarTech) domain is a plus

Languages

English: Fluent

Japanese: Optional / a plus

Work Environment

Fast-paced, dynamic global environment with collaborative teams across multiple locations

Technology Environment

Backend: Python (Django, Flask), Go

API: REST, GraphQL

Infrastructure: Docker, Kubernetes, Helm

DevOps: GitLab CI, Argo Workflows, Argo CD

Data: Presto/Trino, Hive, Hadoop, Spark, PostgreSQL, SQL/HQL

Monitoring: Sentry

and other tools.

Salary: ¥8M – ¥12M JPY per year

Location: Hybrid (4 days in the office, 1 day remote)

Office Location: Tokyo, Japan

Working Hours: Flexible schedule with core hours from 11:00 AM to 3:00 PM

Visa Sponsorship: Available

Language Requirement: English only

Apply now or contact us for further information: