CareerPlan

Junior Customer Success Manager (API)

JapanFull-time2026-10-11 → 2026-11-10

Core

Drive adoption of Vonage's CPaaS APIs (messaging, voice, video, authentication) and ensure long-term customer satisfaction and retention for businesses worldwide.

Role type

Junior Customer Success Manager (API)

Builds

Cloud communications solutions (CPaaS) for businesses

Domain

Telecommunications / Cloud Communications (CPaaS)

Required skills

Fluent English and Japanese, Customer Success/Account Management experience, API familiarity, Data analysis, Strategic problem-solving

Preferred skills

SaaS/Technology background, Cross-functional collaboration

Responsibilities

Build and maintain relationships with key stakeholders, Develop success plans to align API solutions, Monitor usage patterns and identify expansion opportunities, Act as the voice of the customer to internal teams, Identify upsell and cross-sell opportunities, Provide training and resources to customers, Collect and relay customer feedback to influence product roadmap