Position: Customer Success Engineer (Enterprise SaaS / QA Automation)
Company
AI / Software Testing Platform Company
Location
Tokyo, Japan / Hybrid or Remote Available
Employment Type
Full-time
Overview
A fast-growing AI-driven software company is seeking a Customer Success Engineer (CSE) to support enterprise customers using software testing automation tools and professional QA services.
The company provides an integrated QA platform leveraging AI across test design, execution, and optimization workflows. This role focuses on helping enterprise clients maximize product adoption, solve technical challenges, and achieve measurable business outcomes.
The ideal candidate combines technical expertise, problem-solving ability, and strong stakeholder communication skills to proactively identify customer needs and drive long-term success.
Key Responsibilities
Enterprise Customer Success
Partner with Account Executives to identify and drive account growth opportunities
Understand enterprise customer environments, business challenges, and technical requirements
Support onboarding and customer enablement initiatives aligned with client objectives
Provide technical guidance on optimal product configuration and testing operations
Technical Consulting & Support
Analyze product usage data and customer feedback to identify bottlenecks and improvement opportunities
Support customers in maximizing ROI through technical and operational optimization
Handle complex technical inquiries while coordinating with internal teams
Build trusted relationships with customer stakeholders
Product Adoption & Value Expansion
Create customer success stories using quantitative and qualitative insights
Conduct demonstrations and technical enablement sessions for customer teams
Share technical best practices and customer feedback internally to improve support quality and product development
Required Qualifications
Experience in one or more of the following:
Software development
QA / test automation
Technical support
Customer success or presales for engineer-focused SaaS products
Basic knowledge of HTML, CSS, and JavaScript
Understanding of modern development methodologies such as Agile and CI/CD
Strong communication and problem-solving skills with the ability to drive alignment among stakeholders
Basic English proficiency or willingness to actively improve English skills
Preferred Qualifications
Experience collaborating with sales teams on upsell or account expansion initiatives
Knowledge of cloud infrastructure, networking, DevOps, or related technologies
Software testing certifications such as JSTQB
Experience supporting enterprise customers in technical environments
Ideal Candidate
Proactively identifies problems and independently drives solutions
Demonstrates strong ownership and followership within team environments
Thrives in fast-changing environments and continuously learns new technologies and skills
Enjoys balancing technical problem-solving with customer-facing communication
Language Requirements
Japanese: Native level (C1 or above)
English: Business reading/writing support level preferred
Working Style
Hybrid work environment with flexible remote work options
Some teams may require office attendance 1–3 days per week
Full-flex working hours system with no core time
Holidays & Leave
Fully paid weekends and national holidays
Year-end and New Year holidays
Unlimited paid leave policy
Benefits
Full social insurance coverage
Stock option program
MacBook provided
Remote work allowance
English learning support
Skill development allowance
Visa support
Annual health checkups
Performance bonus system
Recruitment Process
Casual interview
Technical assignment
Technical interview
Director interview
Reference check after final interview
Interviews are generally conducted online.
Additional Information
Japanese resume and work history documents are required
Applicants are asked to combine both documents into a single file upon application
AI tools may be used to support parts of the hiring process, with final hiring decisions made by human reviewers