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Backend Tech Lead | Re-Architect a 15M+ Download Product | 20M | Tokyo, Hybrid

仕事詳細

勤務地: 日本
給与: Competitive
職種: 正社員
専門: コンサルティング, 消費財・コンシューマー・化粧品, 製造業、マニュファクチャリング, IT, SCM・調達・物流, SE・ソフトウェアエンジニア
参照: 60497
ユエラン・ワン

Yueran Wang

Eメール Yueran >
I’m supporting one of Japan’s best-known consumer internet companies, now expanding from a leading food and recipe platform into a much broader commerce, retail data, and AI business.

The company already has:
  • 41M monthly users across its consumer ecosystem
  • 44M+ downloads for its flagship app
  • A fast-growing shopping app with 15M+ downloads
  • 2.9M monthly active users
  • 466% annual growth
The product has already achieved PMF and is now entering a true 10→100 scaling phase.
The bigger vision is even more ambitious.
By combining receipt OCR data, purchase history, location data, recipe behavior, and first-party consumer data, the company is building infrastructure to transform Japan’s ¥156T consumer market and eventually make supply chains more AI-native.

As Backend Tech Lead, you’ll own some of the hardest technical problems behind that growth:
  • Backend architecture and technical strategy
  • Re-architecture without disrupting a live consumer service
  • Scalability and performance as traffic continues to grow
  • Technical debt reduction and platform modernization
  • System design and engineering standards
  • Mentoring and design/code reviews
  • AI-driven development across the engineering organization
You’ll also work with integrations and traffic from major consumer platforms such as SmartNews and Yahoo! JAPAN.

Why this role stands out:
  • Massive real-world consumer scale
  • Rare first-party dataset combining purchase, location, behavioral, and content data
  • Real architecture ownership, not just feature delivery
  • Strong IC path for engineers who want to stay technical
  • Company-wide push toward AI-native engineering
  • Up to ¥100,000/month for AI tools
  • Modern data stack with Snowflake, dbt, BigQuery and AWS
  • Strong financial backing as part of a major Japanese internet group
Tech:
Ruby / Rails / Node.js / React / AWS / Terraform / MySQL / Redis / Snowflake / dbt

Up to ¥20M
Tokyo, Hybrid: 3 days office / 2 days remote

Ideal for senior Backend Engineers or Tech Leads who want to solve real scaling, architecture, and platform problems on a product already used by millions.
DM me for the full JD and interview process.

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