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Jobs→株式会社ジャンボ→[Findy Team+ Award Winner] In-House Developed Full-Stack Engineer for 15 Million People

[Findy Team+ Award Winner] In-House Developed Full-Stack Engineer for 15 Million PeopleEnglish summary from Japanese

株式会社ジャンボ

✓ Detailed
Salary
360万円〜1560万円
Location
東京都
Job Type
Full-time
Work Style
8:00~17:00
Apply on GREEN

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

We are seeking a Full-Stack Engineer to work on our in-house developed live streaming application, used by 15 million people. You will be involved in the entire development process, from planning and design to implementation and release, across mobile, web, and backend.

Must-haves

  • Experience in client to infrastructure development.
  • Ability to propose feature improvements based on user experience.
  • Will be assigned tasks affecting app users within approximately one month of starting.

Nice-to-haves

  • Experience in planning and implementing growth strategies for existing products.
  • Experience in API development and database design.
  • Experience in AWS infrastructure construction and operation.
  • Experience in proposing feature improvements based on user experience.

Tech stack

KotlinJavaSpring BootMongoDBMySQL

About the Company

株式会社ジャンボ

Categories
MarketplaceAI / MLManufacturing
Headquarters
東京都千代田区紀尾井町3-12 紀尾井町ビル11階
Visit Website
Posted8/10/2026
Updated2026/08/10
Sourcegreen
TypeScript
React
Next.js
AWS (ECS / Lambda / CloudFront / ElastiCache)
Terraform
Datadog
Sentry
GitHub Actions
CircleCI

Work style

Onsite (Mac mini (M4) + 2 monitors provided, company covers cost of preferred chair)

Other notes

Full, unlimited company-paid access to AI tools including Claude Code, Codex, ChatGPT, Claude, Cursor, and Devin. AI study sessions and AI Week are held, fostering an AI-driven development culture. Focus is on decision-making and design rather than lines of code written.