Careers
Build the future
worth working for
At Flagship, we are committed to working only on projects that offer a clear vision of the future — for both each member and the company. We don't take on work that offers neither meaning nor learning just for the money.
We stand on the shoulders of giants, exchange knowledge with the world's frontier, read the market firsthand, build hypotheses from both that intuition and data, and pour our resources into the future we want to create. To create new value — and the room and rest that make it possible — we actively build and use apps, bots, and more to automate, streamline, and add further value to any work that can be automated or simply done better.
Specifically, we ride the growth of Shopify and e-commerce, and the AI wave being pioneered by companies like Anthropic. Flagship leads as a market pioneer, specializing in Shopify, e-commerce, and AI engineering. Through these connections, we take pride in the world-class work we already do — and we keep aiming higher still.
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 handle only redesigns/renewals of existing sites, not new 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
- 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 ¥6M–¥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 handle only redesigns/renewals of existing sites, not new 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)
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
- Remote work available
- Full social insurance (health, pension, employment, workers' comp)
- Annual health checkup
- Commuting allowance
- Work devices provided (MacBook, iPhone, etc.)
- No dress code (no one wears suits)
- 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
