Careers
Mapping the Future Begins with Ourselves
Our purpose is Develop Maps
The world is becoming more complex and uncertain than ever before Rather than claiming to have all the answers,
we strive to create the maps that help people and businesses move confidently toward their own future
That is the idea behind Develop Maps
But those maps are not created only for others
To keep exploring new frontiers, we believe we must continue learning, making difficult choices, and charting our own path forward
At Flagship, we foster an environment where every team member can take ownership of their career and embrace new challenges
Guided by strong ethics and integrity, we encourage each person to unlock their potential while creating new value for society
We believe that these individual journeys, taken together, become the maps that help shape a better future
Every map to the future begins with the first step of the person who dares to draw it
Why Flagship
Three coordinates for mapping the future
Our guiding principles live on the About page as our three Values. Here are the three coordinates of the environment at Flagship that help us practice them every day.
Built to Architect the Future
See the structure, design essential value
We look beyond the immediate implementation to the structure of the business behind it. By actively using AI and SaaS, we focus on the design and decisions only people should own — a practice that builds architecture for lasting value.
Connected to the World
Make world-class the everyday
Flagship brings together members from more than ten countries. Debating daily with colleagues of different cultures and specialties, we keep drawing on global knowledge to build better commerce — that ongoing practice is what we mean by world-class.
We Believe Our Colleagues
Grow your own ability to map the future
As technology advances, what matters is not knowing the answers but questioning fundamentals and designing better structures. We embrace AI and automation while focusing on the value only people can create — challenges that shape each member's career.
Member Voices
Company Deck
Open Positions
Project Manager
Job Description
- Oversee projects from start to finish, managing schedules, budgets, and resources
- Manage client relationships, understand their needs, and define requirements
- Collaborate with the project team to ensure efficient project execution
- Assess project risks and develop mitigation strategies
- Regularly review project progress to confirm quality and goal achievement
(Reference) Types of Projects We Handle
- Renewal project scale: development budget ¥20M+ (actual results)
- Support project (post-launch) scale: approx. ¥500K–¥800K/month (actual results)
- Development period: several months to 1 year (depending on complexity and scale)
* We specialize in re-platforming (renewal) projects for existing e-commerce businesses, rather than projects involving new market entry from scratch.
(Reference) Project Team Structure (Example)
- Technical Director: 1
- PM: 1 (assistants may be added depending on project scale)
- Frontend: 2–3, Backend: 1–2 (may increase depending on project scale)
Required Qualifications & Experience
- Strong interest in e-commerce and enthusiasm for Shopify
- Project management experience in client-facing work (2+ years)
- Native-level Japanese; English proficiency sufficient to communicate with internal engineers
- Strong ownership of assigned projects with a proactive approach to managing, driving, and delivering value
Preferred Experience
- Web application / system development experience as an engineer
- Experience in enterprise-scale client work
- Understanding of agile development and hands-on experience with Scrum or similar
- Experience on international projects, especially managing cross-cultural teams
- Experience with project budget management and resource allocation
- Ability to communicate smoothly internally and externally in a remote environment
Employment Type
- Full-time employee (3-month probationary period)
Compensation
- Annual salary ¥4.8M–¥12M (determined based on experience and skills)
Backend Engineer
Job Description
- Build and improve Shopify apps
- Develop using JavaScript (including frameworks such as React, Node, etc.)
- Collaborate with frontend developers and product managers
- Develop web applications
Requirements
- 2+ years of Node.js development experience
- Knowledge/experience with networking and cloud platforms (AWS, etc.) is a plus
- Ability to communicate smoothly internally and externally in a remote environment
- Knowledge/experience with Shopify
- Ability to work collaboratively with team members on development tasks
Compensation
- Up to ¥6M (determined based on experience and skills)
Systems Engineer
Job Description
Working alongside the Project Manager, you will understand client needs and manage the development team to ensure projects run smoothly.
(Reference) Types of Projects We Handle
- Renewal project scale: development budget ¥20M+ (actual results)
- Support project (post-launch) scale: approx. ¥500K–¥800K/month (actual results)
- Development period: several months to 1 year (depending on complexity and scale)
* We mainly handle replatforming (renewal) projects for established e-commerce businesses, rather than brand-new e-commerce launches.
(Reference) Project Team Structure (Example)
- Technical Director: 1
- PM: 1 (assistants may be added depending on project scale)
- Frontend: 2–3, Backend: 1–2 (may increase depending on project scale)
Required Qualifications & Experience
- 5+ years of development team management experience; e-commerce site development experience is a strong plus
- Experience in system design, development, and operations
- Excellent leadership and team management skills
- Native-level Japanese proficiency
- Ability to communicate smoothly in a remote environment
Preferred Experience
- Experience on international projects, especially managing cross-cultural teams
- Experience implementing and operating business systems (sales management, warehouse management, etc.)
- Conversational-level English proficiency
- Bachelor's degree or higher in IT or a related field
- Experience working in an organization with ISMS certification
Development Environment
- Languages: JavaScript / Ruby
- Frameworks: React / NestJS / Ruby on Rails
Employment Type
- Full-time employee (3-month probationary period)
Compensation
- Annual salary ¥5M–¥10M (determined based on experience and skills)
Assistant Product Manager
Job Description
You will start in customer support for our web services, centered on our in-house Shopify apps, with the goal of stepping up to Assistant Product Manager (APdM) or Product Manager (PdM) for these apps in the future. This role goes beyond simply responding to inquiries: by solving customer issues and troubleshooting, you will be directly involved in improving the user experience and the product itself. Drawing on your knowledge of Shopify and SaaS, you will also help organize issues, create reports, and share knowledge in addition to handling customer support. It is a rewarding environment where you improve our services in close collaboration with the team and developers. We are also actively promoting the use of AI to improve operational efficiency and create value, so if you are interested in AI or have hands-on experience applying it, you can make great use of those skills here.
Specific Duties
Customer Support (primary role on joining)
- Handling inquiries and providing technical support for our Shopify apps (in-house products), mainly via email and chat
- Working with the product team and engineers to investigate and resolve bugs from start to finish
- Managing and organizing customer support records, and simple reporting (using tools such as Google Sheets)
- Analyzing inquiry trends and maintaining and improving FAQs and manuals
- Coordinating work and sharing information within and across teams
Product Management (expanding gradually)
- Extracting requirements, organizing issues, and setting priorities based on inquiries and other inputs
- Designing specifications that account for domestic e-commerce business practices and integrated third-party tools
- Aligning specifications with engineers and defining requirements
- Managing development progress, setting priorities, and overseeing work through to release
- Designing and carrying out testing for our Shopify apps (in-house products)
- Proposing product improvements and creating reports based on analysis of inquiry data
(Reference) Types of Projects We Handle
- Renewal project scale: development budget ¥20M+ (actual results)
- Support project (post-launch) scale: approx. ¥500K–¥800K/month (actual results)
- Development period: several months to 1 year (depending on complexity and scale)
* We specialize in re-platforming (renewal) projects for existing e-commerce businesses, rather than projects involving new market entry from scratch.
(Reference) Project Team Structure (Example)
- Technical Director: 1
- PM: 1 (assistants may be added depending on project scale)
- Frontend: 2–3, Backend: 1–2 (may increase depending on project scale)
Required Qualifications & Experience
- 3+ years of work experience
- 2+ years of experience in text-based B2B technical customer support or customer success in the SaaS or e-commerce industry
- Hands-on experience in the SaaS or e-commerce field
- Strong communication and coordination skills within a team
- Understanding of, or strong interest in, Japanese e-commerce and business practices
- Able to communicate in English in writing (e.g., reading English manuals and handling email)
Preferred Experience
- Experience in development or management roles for web services/applications (e.g., PdM, PM, director)
- Knowledge of CSV structures, character encoding, and data integration (APIs / import & export)
- Practical understanding of e-commerce operations such as logistics and payments (e.g., form/document requirements, deferred payment processing)
- Basic knowledge of system development (e.g., GitHub, development workflows)
- Basic understanding of terms such as APIs and HTML/CSS
- Ability to drive investigation, reproduction testing, and specification checks for inquiries
- Confidence in organizing, structuring, and documenting information
- Experience working in an organization that operates ISMS certification
- Experience operating SaaS applications
- Ability to identify issues and design specifications from the customer’s perspective
- Hands-on experience with Shopify
Employment Type
- Part-time
(Contract or freelance arrangements may also be negotiable depending on skills, etc.)
Compensation
- From ¥2,000/hour
* Determined according to company policy, taking experience and ability into account
Basic Requirements (All Positions)
- Able to ask your own questions and think about things structurally. In an era of working alongside AI, we especially value this foundation. Prior hands-on experience with AI is not required (it varies by past work environment) — we provide the tools you need to get up to speed.
- Able to organize information and share key points clearly
- Comfortable with chat-centered communication such as Slack in day-to-day work
- Company languages: English and Japanese
- Able to communicate in English (some positions involve meetings in English)
- Experience in understanding business and industry needs and in system design (hands-on experience or conceptual understanding of Shopify is a plus, but not required)
- Genuine interest in security, willing to build the necessary knowledge yourself, and able to maintain a secure environment
- Comfortable working on a Mac
Compensation & Benefits
- Employment type: Full-time (3-month probation), Contract (3-month probation), Part-time
- Work location: Nationwide (full remote)
- Our remote work is designed based on our Remote Work Charter.
- Compensation structure
- Employees: monthly salary
- Part-time: hourly
- Raises & bonuses
- Promotions & raises: twice a year (based on performance review)
- Bonuses: based on company performance
- Working hours
- 8 hours/day, discretionary work system (1-hour break)
- Core hours: 10:00–19:00
- Benefits
- Full social insurance (health, pension, employment, workers' comp)
- Annual health checkup
- Commuting allowance
- Work devices provided (MacBook, iPhone, etc.)
- No dress code
- Holidays & leave
- Birthday leave
- 5-day work week (Sat, Sun, national holidays off)
- Annual paid leave (per statutory requirements)
- Summer leave (2 days, flexible Jul–Sep)
- Year-end / New Year break
Organizational structure
Org Chart
