In-house Service Development Engineer / Intern
Job Description
'I want to write code using AI.' 'I want to start a business someday, so I want both tech and business experience.' 'I want real-world development experience before job hunting.' If any of these resonate, join us as an intern! This is an environment where you can gain cutting-edge experience as an engineer in the AI era.
What You'll Do
Experience the real world of technology and business. Fully remote, so you can work between classes. 1. Development - Implement/improve features for in-house services and tools (with senior engineer review) - Small feature additions and bug fixes using TypeScript (Node.js) and Google Apps Script - Assist with data processing/automation scripts using Firebase and GCP - Prototype and improve simple AI features using ChatGPT/Gemini 2. Business (optional) - Organize customer feedback, meeting notes, and requirements - Create sales proposals and support SNS operations - Collaborate with the dev team, participate in planning meetings * Business tasks are opt-in only. Development-only participation is welcome.
Tech Stack
Languages: TypeScript (Node.js) / GAS / Python (supplementary) Infrastructure: Firebase (Firestore, Hosting, Cloud Functions) / BigQuery / GCP AI Tools: ChatGPT / GitHub Copilot / Gemini Other: Slack, LINE WORKS, Google Workspace, GitHub * We'll help you learn the tools after joining — no prior experience needed!
Why Join Us
- Gain practical AI development experience using ChatGPT and Copilot - See the reality of a growing startup — no outsourced development, direct involvement in product launches - Culture that values design, algorithms, and architecture over language knowledge. Code reviews focus on 'why' not just 'how' - Top performers can join major projects and potentially transition to full employment after graduation
Requirements
Required: - Basic understanding of JavaScript/TypeScript syntax - GitHub experience (learning level OK) - Some development experience with HTML/CSS/JS (personal projects OK) - Interest in using AI tools like ChatGPT - Willingness to ask questions and learn together Preferred: - Experience with React / Firebase / GAS / GCP - Experience with ChatGPT API or Gemini API - Interest in web marketing or SNS operations Recommended for: - Those interested in business operations, not just development - Those wanting to experience startup pace and flexibility - Those wanting practical experience before job hunting
Work Style
Fully remote / 8+ hours per week OK Classes, labs, and exam periods take priority. Zero work during exams is fine! Communication via Slack and LINE WORKS. * No fixed shifts — monthly schedule coordination. * Work days and hours are negotiable.
Location
Fully remote OK (work from anywhere in Japan) Work from home, cafes, or anywhere you prefer.
Compensation & Benefits
¥1,500 - ¥2,500/hour (raises available) - Social insurance (for qualifying members) - Free dress code - Training programs - Online screening available
PC Requirements
In principle, please use your personal PC for development (8GB+ RAM recommended, 16GB+ preferred. Used PCs are fine). PC lending is available on a case-by-case basis. Security compliance required (guidelines provided at onboarding. Cloud-based development; local source code storage is prohibited).
Selection Process
Application ▶ Document screening ▶ Interview (1-2 rounds) ▶ Simple task or trial (as needed) * Please share your portfolio or GitHub account if available. * Tasks are not difficult — they're simple assessments to understand your current learning level.