Customer success Manager

Job Title
Customer Success Manager Marketing Technology (MA / CDP / BI)

Location
Tokyo Japan

Employment Type
Full-time

Overview
A leading Japanese Marketing Technology AdTech and AI company is seeking a Customer Success Manager to support the continued growth of its Marketing SaaS business. This position will work closely with enterprise customers to drive product adoption maximize business value and support digital transformation initiatives utilizing Marketing Automation (MA) Customer Data Platform (CDP) and Business Intelligence (BI) solutions.

The role combines customer success project leadership consulting and team development responsibilities offering significant visibility and impact within a rapidly growing technology organization.

Key Responsibilities

Customer Success & Client Management

Lead onboarding and implementation projects for enterprise customers

Gather business requirements and data requirements from clients

Define system specifications data structures and operational requirements

Build and maintain long-term strategic relationships with key stakeholders

Drive product adoption and maximize utilization of MA CDP and BI solutions

Identify opportunities for operational improvement and process optimization

Conduct business reviews and demonstrate ROI to customers

Identify and support upselling and cross-selling opportunities

Project & Process Improvement

Develop scalable customer success frameworks and operational processes

Monitor and manage key performance indicators (KPIs) and OKRs

Improve service delivery workflows and customer engagement processes

Collaborate with internal stakeholders to enhance customer experience and operational efficiency

Team Leadership

Support recruitment onboarding coaching and development of team members

Contribute to team-building initiatives and organizational growth

Help establish best practices and scalable customer success operations

Required Qualifications

3 years of Customer Success experience

Experience leading projects and/or managing team members

Strong requirements gathering and documentation skills

Experience working with Customer Data Platform (CDP) solutions

Excellent stakeholder management and communication skills

Ability to manage multiple projects and priorities simultaneously

Preferred Qualifications

Knowledge of SQL and data modeling

Experience with Marketing Automation CRM BI or SaaS platforms

Experience supporting enterprise-level customers

Background in marketing technology customer data management or digital transformation initiatives

Key Competencies

Customer Success Management

Enterprise Client Relationship Management

Project Leadership

Data-Driven Problem Solving

Requirements Definition and Documentation

Business Process Improvement

Team Development and Coaching

Cross-Functional Collaboration

Compensation & Benefits

Annual salary: JPY

Performance bonuses paid twice per year

Housing allowance

Learning and professional certification support

English language learning assistance

Wellness and refresh allowance

Book purchase subsidy

Employee stock ownership program

Comprehensive social insurance coverage

Annual health checkups

Additional refresh leave after three years of service

Working Style

Primarily office-based in Tokyo

Limited remote work flexibility available under specific circumstances

Standard working hours: 10:00 19:00

Why This Opportunity Stands Out

Join one of Japans fastest-growing SaaS and AI technology companies

Work with advanced Marketing Automation CDP BI and AI solutions

Partner with enterprise customers on high-impact digital transformation initiatives

Opportunity to contribute to the growth and development of the Customer Success organization

Strong career progression opportunities within a rapidly expanding technology business

Direct impact on customer value creation retention and long-term business growth