Job title: Senior Software Engineer (Python) -nm
Job type: Permanent
Emp type: Full-time
Industry: IT & Telecommunications / IT・通信
Functional Expertise: Technical (IT) / 技術職(IT)
Salary: Negotiable
Job published: 2025-06-13
Job ID: 62621

Job Description

Lead and innovate as a senior engineer in a diverse, technology-driven team dedicated to making a global impact.

 

■ Job Title

Senior Software Engineer (Python)

 

■ Company Overview

A leading B2B SaaS company based in Tokyo, Japan, specializing in cloud security. Its core product provides enterprises with a secure and flexible platform for the modern workforce, enabling employees to work efficiently and safely from any location.

 

■ Your Role and Responsibilities 

In this senior role, you will architect, design, and develop scalable, fault-tolerant cloud security solutions used by thousands of businesses. Your responsibilities will include creating innovative features, maintaining high-quality code and documentation through CI/CD pipelines, collaborating across teams to enhance the product, and mentoring junior engineers to foster team growth.

 

■ Experience and Qualifications

• A minimum of 5 years of professional backend development experience using Python.

• Proven experience in building scalable web applications.

• Demonstrated ability to mentor junior engineers and collaborate effectively within a team.

• Hands-on experience with cloud platforms like AWS, GCP, or Azure.

• Proficiency in automating deployments with CI/CD pipelines.

• Strong commitment to writing clean, well-documented code.

• Business-level fluency in English.

• Active interest in open-source projects and the broader tech community.

 

■ Additional Preferred Qualifications

• A degree in Computer Science or a related technical field.

• Experience in building large-scale distributed systems.

• Specialized experience with AWS.

• Background in developing SaaS products.

• Knowledge of web security concepts, especially related to access control or email systems.

• Familiarity with DevOps tools and Infrastructure as Code.

• Proficiency in Unix-like operating systems (Linux/macOS).

• Previous team leadership experience.

 

■ Good Reasons to Join

• Work in a highly diverse and international team with colleagues from over 20 countries.

• Receive comprehensive relocation support for a seamless transition to living and working in Japan.

• Enjoy an excellent work-life balance, supported by a flextime system and numerous company-sponsored social events.

• Be part of an organization led by a tech-focused CEO/CTO, fostering a culture of innovation.

• Influence product direction by working in an agile, collaborative, and autonomous team setting.

 

■ Work Location

Tokyo, Shibuya.

 

■ Salary 

An annual salary range of JPY 8M to 12M, determined by your experience and skills. The package includes various benefits, such as language and communication allowances.

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