Full Remote: Server-side Engineer (B2B) for a music PF with 200M JPY monthly revenue, preparing for IPO, with a team of VPoE from DeNA and former CTO/Lead EngineersEnglish summary from Japanese

ColorSing株式会社

✓ Detailed

Salary

7 million yen - 15 million yen

Role summaryEnglish summary from Japanese

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

Join a growing music live-streaming app, ColorSing, as a Server-side Engineer. You will design, develop, and operate B2B services for live streamer agencies and management systems, directly impacting business growth. The team includes experienced engineers from major tech companies like DeNA and LINE Yahoo, and the company is preparing for an IPO.

Must-haves

Practical experience in Web API development using Go, OR backend development experience in another language with the ability to learn Go quickly.
Practical experience in database design and operation using RDBMS (MySQL, etc.).
Practical experience in performance improvement and optimization of SQL.
Experience in logically organizing business requirements and translating them into designs and specifications.
Experience in team development and code reviews using GitHub.
A proactive stance to identify issues independently and work without defined roles.

Nice-to-haves

Experience in gRPC API design and development.
Experience using GCP (GKE / Cloud Run / Spanner) and Terraform.
Experience with external system integration and business system development.

About the Company

ColorSing株式会社

Headquarters

東京都渋谷区道玄坂1丁目10番8号渋谷道玄坂東急ビル2F-C

Posted6/25/2026

Sourcefindy

Full Remote: Server-side Engineer (B2B) for a music PF with 200M JPY monthly revenue, preparing for IPO, with a team of VPoE from DeNA and former CTO/Lead EngineersEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

Other notes