QA Automation Engineer - Tokyo
- Tokyo
- Partial Remote
- Full-time
- September 25, 2025
Job Overview
The role primarily involves leading the promotion, design, and implementation of automated testing aimed at improving the quality of our multi-product lineup, particularly centered on our flagship product, Mico Engage AI.
You will be responsible for driving improvements in both the efficiency of quality assurance processes and overall product quality.
Our company has established a global development framework, actively enhancing collaboration among engineers located in Japan, India, and the Philippines. Within this environment, bilingual QA engineers (Japanese and English) play an extremely vital role, serving as a bridge between these international teams.
Roles and Responsibilities
- Planning and strategizing test automation across multiple products, including the flagship product
- Designing, developing, operating, and maintaining automated tests
- Integrating and managing automated tests within the CI/CD environment
- Promoting QA process improvement and enhancing test efficiency
- Communicating quality issues clearly with development teams, product managers, and stakeholders
- Analyzing bugs, identifying root causes, and proposing improvements
Organizational Structure
- You will be assigned to the QA team within the Innovation & Engineering Division
- The QA team currently consists of 14 members
Career Path Opportunities
- You can start from a role as a QA specialist or QA lead responsible for automated testing in a single product area
- Depending on your preference, you will have the option to advance your career either toward becoming a specialist QA engineer or toward a managerial role within the QA team
- With our organization rapidly expanding, there are abundant opportunities available to progress into management positions
The Appeal of Mico
- Mico has set an ambitious goal: to become No. 1 in Asia by 2030, with a clear vision for global expansion
- Achieving this goal requires tackling numerous challenges and overcoming obstacles
- We provide an environment where you can fully leverage your skills and experience
- At Mico, everyone is encouraged to take ownership and lead, making our culture of individual initiative and empowerment one of our greatest strengths
The Appeal of Working at Mico
- Mico operates in a rapidly growing C-commerce market and has achieved 500% business growth in two years, securing a total of ¥6.3 billion in funding and becoming Japan’s No.1 in LINE marketing.
- The company is customer-focused, with a culture of "WOW THE CUSTOMER" dedicated to solving real challenges and delivering outstanding results.
- Employees collaborate in an open, inclusive environment with a strong team spirit, surrounded by motivated colleagues who inspire daily personal and professional growth.
Tools/Technologies/Environment in Use
- Web Backend: TypeScript (Nest.js), partial usage of Java (Spring Boot)
- Web Frontend: TypeScript (Next.js), Chakra UI
- Database: TiDB, Aurora MySQL, MemoryDB for Redis
- Infrastructure: AWS, Infrastructure as Code (IaC)
- Middleware: Nginx, Supervisor
- Monitoring: NewRelic, Sentry, AWS (CloudWatch)
- Data Analysis: BigQuery, Google Data Studio, Google Analytics, Metabase, Trocco
- Environment Setup: Docker
- CI/CD: GitHub Actions, Amplify Hosting, CloudFront
- Source Code Management: GitHub
- Communication Tools: Google Meet, Slack, Notion, Redmine, Jira, ClickUp
Required Skills and Experience
- Daily conversational Japanese is acceptable if you have Business-level English fluency
- 3+ years of experience in automated testing
- Experience in test planning, design, and execution as a QA engineer
- Experience creating test cases and scenarios
- Knowledge and experience in software quality management
Preferred Skills and Experience
- Practical experience with test frameworks such as Selenium, Cypress, or Playwright
- Experience integrating tests into CI/CD environments using tools such as Jenkins or GitHub Actions
- Experience in web application development (backend and/or frontend)
- Work experience in startup or agile environments
- Experience conducting performance and load testing
- Knowledge of and experience with cloud environments (e.g., AWS, GCP)
- Experience as a team lead or mentor in a QA engineering role
Ideal Candidate Characteristics
- Strong commitment to quality assurance, with the ability to proactively identify issues and propose improvements
- Ability to smoothly collaborate with members from diverse cultural and professional backgrounds
- Capability to think strategically from a broad perspective without being constrained by existing methods or approaches
- Habitually and unconsciously engages in continuous learning
- Ability to overcome challenging situations independently
- High integrity and a strong sense of responsibility
- Skilled in structuring, articulating, and clearly communicating thoughts or outputs
- Practices open and transparent communication
- Ability to drive projects forward by actively involving others
Not a Fit If
- Tendency to blame others
- Strong tendency to wait for instructions rather than proactively taking action
Work Location / Work System
- Your preferred work location will be discussed(Osaka or Tokyo)
- Flexible work styles are available depending on job responsibilities (remote/on-site)
- Average On-Site Frequency: About 4 days per month
Work Hours
- Standard Schedule: 9:00 AM – 6:00 PM (includes a 1-hour break; overtime applicable)
- Flexible Time: Core hours from 10:00 AM to 4:00 PM
- Certain grades may fall under a discretionary labor system, per company regulations
Holidays and Leave
- Weekends (Saturday & Sunday), national holidays
- Year-end and New Year holidays
- Summer vacation
- Bereavement leave
- Paid leave (10 days granted upon joining, with additional days based on tenure)
- Other company-designated holidays
Probationary Period
- Generally 3 months (no changes in compensation or benefits during this period)
Benefits
- Commuting allowance (including bicycle commuting)
- Company laptop provided
- Company phone provided (*role-specific)
- Flexible start-time policy (every two months upon request)
- Social insurance (health, pension, employment, workers' compensation)
- Life and health support leave
- Health checkup expenses covered
- Parental and childcare support programs
- Club activity support
Hiring Process
- Document Screening
- Casual Interview (Japanese Language Check)
- First Interview
- Second Interview
- Reference Checks
- Final Interview
- Job Offer Meeting
*The hiring process is subject to change
About Mico
Mico's goal is to help companies build their brand through the power of conversation.
They are developing multiple products to analyze and improve communication between businesses and consumers, enabling businesses to optimize their online marketing efforts.
The conversational commerce (C-commerce) is a rapidly growing market, projected to surpass the e-commerce market in some countries by 2025.
Mico (formerly Micoworks) has already achieved 500% business growth in just two years, placing them at No.1 in LINE marketing within Japan. They’ve also secured a total of 6.3 billion yen in funding (with the recent Series B raising 3.5 billion yen).
Mico has set an ambitious goal to become Asia’s No.1 Brand Empowerment Company by 2030, with a clear vision for global expansion. Achieving this goal will require tackling numerous obstacles, and they’re looking for team members who are up to the challenge.
Here are the services you’ll be working on:
- Mico Engage AI
A platform that enables seamless communication through message automation and deep integration with client systems. - Mico Voice AI
A service that enhances communication quality and efficiency using AI voice recognition, helping create meaningful connections. - BizClo
An enterprise messaging solution leveraging LINE, optimized for business use to improve customer relationships and internal efficiency. - Micomii
A LINE-based membership service for restaurants, enabling customer segmentation, rank-based perks, and digital coupons.
Why Work at Mico
- Flexible work style: Hybrid work, flex time, and up to 6 Life-Health leave days per year to support diverse lifestyles.
- Robust growth support: Subsidies up to ¥55,000/year for books and seminars, supporting personal skill and career development.
- High transparency: Weekly TGIM meetings and quarterly company-wide updates to share vision and goals.
- Leadership training: Strengthening team leadership and organizational management skills through training.
- Fair evaluation system: OKRs-based performance reviews conducted semi-annually with continuous feedback.
- Social impact: Contributing to clients’ business and workstyle transformation through innovative SaaS products.
Team Culture
Mico leadership and team embody an "OPEN MIND" approach, fostering open and inclusive communication across all levels.
Driven by a strong "ALL FOR ONE" spirit, team members work closely together, both internally and externally, with a "Giver Mindset" at the core of their collaboration.
Surrounded by highly motivated colleagues, you’ll find daily inspiration and opportunities for personal and professional growth.
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