• Full-time

Publication date: 2026.11.06

【Technical_AITL】AI-Driven Development Engineer

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Tokyo
  • Salary: JPY 6,000,000 - 12,000,000
AI駆動開発エンジニア【AIとの伴走で磨く、人の役割】
職種Position System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
会社概要Company profile They are a company that specializes in quality assurance and testing, which are essential for software development. In order to deliver safe and secure products to a world filled with software products that cannot exist without them, they have developed a unique business model that provides cross-sectional quality assurance services, from consulting in the upstream process of development projects, development work that focuses on quality, and testing work just before product release.

They are involved in a wide range of products and services, including enterprise fields such as finance and distribution, and entertainment fields such as web and games, and participate in projects as a primary contractor through direct transactions with user companies.

In a blue ocean market with no competitors, they are a company that has continued to grow sales by more than 150% annually, creating a virtuous cycle in which employees are rewarded with rewarding work and results.
仕事内容Job description Through AI-driven development that combines SHIFT's proprietary system development framework "SHIFT DQS (Development Quality Standard)" with AI agents, you will achieve high quality and productivity across the entire development process, from requirements definition through the testing phase.
<Main responsibilities for engineers>
System reconstruction based on requirements and architecture developed by consultants
Implementation, testing, and release through dialogue with Devin (AI coding tool)
System design and development based on structural analysis of legacy assets
Support for requirements gathering and prototyping with clients
Continuous development involving post-release improvements and feature additions
<Reference articles>
SHIFT becomes a leading domestic company in "AI-driven development": What do engineers gain?
Building an AI-driven development process with Devin
┗Part 1 Part 2
Devin in practice
応募資格Requirement Experience in upstream processes such as requirements definition and basic design in web application or core business system development
Experience discussing requirements and specifications with clients and building consensus in upstream processes
Experience as the leader of a team of three or more people, conducting deliverable reviews and consolidation
※ No restriction on development language. Experience with legacy languages such as COBOL or VB.NET is also fine.
At SHIFT, you can step up to a modern development style by utilizing AI (Claude Code, Codex, Devin) and a standardized development process (SHIFT DQS).
Even if you are anxious about acquiring modern technologies, you can catch up in a practical way by collaborating with AI.

[Preferred requirements]
Those who empathize with SHIFT's business and vision
Those who can work with aspiration, drive, and a sense of responsibility
Those who are interested in new technologies and enjoy thinking about how to apply them
Those who can accept things openly
Those who have an attitude of enjoying their work
日本語力Japanese level Fluent
雇用形態Employment type Full-time
勤務エリアLocation Tokyo
勤務時間Working hours Discretionary work (9:00-18:15)
想定年収Salary JPY 6,000,000 - 12,000,000
条件・待遇Condition Complete weekly two-day off system
Annual salary revision
Twice a year
Insurance enrollment
Fully provided
Passive smoking prevention measures
Indoor smoking prohibited (smoking rooms available)
Retirement age
70 years old (limited to regular employees and employees converted from contract or part-time to indefinite-term employment)
Hiring Process
Document screening
↓
First interview (group manager of the assigned department)
↓
Final interview (head of the assigned department)
※The number of interviews may vary.
※A live coding test may be conducted.
↓
Job offer
↓
Joining the company
※The number of interview rounds may change depending on circumstances.
※Interview dates and joining dates are negotiable. Please feel free to contact us.
Other
※Details will be provided during the interview.
※You may be asked to submit documents required for the selection process.
Other initiatives
・Maternity, childcare, and nursing care leave systems
・Various social insurance fully provided (employment insurance, workers' accident compensation insurance, health insurance, employees' pension insurance)
・Commuting allowance (with upper limit)
・Skill-up support (qualification acquisition support) system
・Internal job posting system
・SHIFT partner nursery system
・Stock grant ESOP trust system
・Facilities of the health insurance union (東京都情報サービス産業健康保険組合) available
・Bicycle commuting system
・Club activities
・Various company events (general employee meetings and awards), etc.

[Employment type]
Regular employee
[Salary]
Monthly salary: 50万円 ~ 100万円
Expected annual salary: approx. 600万円~1,200万円
[Work location]
151-0053 Shinjuku Bunka Quint Building, 3-22-7 Yoyogi, Shibuya-ku, Tokyo
View on map
106-0041 Mori JP Tower, Azabudai Hills, 1-3-1 Azabudai, Minato-ku, Tokyo
[Working hours]
9:00–18:15 (breaks 12:00–13:00, 15:00–15:15 / actual working hours 8 hours)
※For those subject to the specialized discretionary work system, deemed working hours per day: 8 hours
Overtime work
Yes (average approx. 7.2 hours per month ※Actual results for August 2025 period)
※Applies to individual regular employees. Excludes managers/supervisors and those under the discretionary work system.
[Holidays]
↓
↓
↓
↓
[Holidays and leave]
・Complete weekly two-day off (Saturday and Sunday)
・Public holidays
[Leave]
・Sick leave / nursing care leave
・New Year holidays
・Paid leave (10 days~20 days)
・Bereavement and celebration leave
(Marriage leave, child's marriage leave, spouse's childbirth leave, etc.)
選考についてProcess
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