Junior Customer Success Manager (API)
Vonage is hiring for the position of Junior Customer Success Manager (API) as a remote role open to applicants in Japan. The listing describes it as a full-time, entry-level position.
DGJ summary of this job
Our own short read of this listing, built only from the facts it gives. The employer’s original text follows further down.
Vonage is hiring for the position of Junior Customer Success Manager (API) as a remote role open to applicants in Japan. The listing describes it as a full-time, entry-level position.
From the advert, the main requirements are English and Japanese language skills.
The advert names SaaS as a skill for this role.
The employer does not state a salary in this listing; DGJ Insight below shows an official pay benchmark for the place where one exists.
Benefits mentioned in the advert: health insurance.
Dev Global Jobs found this job on Jobicy on Nov 11, 2026.
- Employer
- Vonage
- Location
- Remote (Japan)
- Job type
- Full-time
- Level (from the title)
- entry-level
- Pay
- Not stated by the employer
- Languages asked
- English and Japanese
- Found
- Nov 11, 2026 on Jobicy
- Employer text
- 624 words, about 3 min to read
- Apply only on the official page (jobicy.com). Dev Global Jobs is not the employer and never asks for a fee.
- Mirror the skills the advert names (SaaS) in your CV where you really have them; applicant tracking systems look for these words.
- Say your level in English and Japanese plainly (for example B2 or C1).
- Read the employer’s full text below (about 3 min) before you apply.
- Build or check your CV with the free DGJ CV Builder.
DGJ Insight
Our own data about this role and place, from official statistics and our live job index.
Source: OECD Average annual wages, 2025
About the role
Full text from the employer, as published on Jobicy, arranged into sections. Nothing added or removed.
01About Vonage API
Vonage API is a global leader in Communications Platform as a Service (CPaaS), enabling businesses to seamlessly integrate messaging, voice, video, and authentication capabilities into their applications. Our mission is to power meaningful conversations and connections through innovative cloud communications solutions.
02Why this role matters
As a Customer Success Manager (CSM) at Vonage API, you will play a critical role in ensuring our customers achieve their business objectives through our API solutions. You will be responsible for driving adoption of our communication APIs, fostering strong customer relationships, and ensuring long-term customer satisfaction and retention. This role requires a proactive, customer-centric approach with a strong understanding of CPaaS solutions and how they deliver value to businesses.
03Your key responsibilities
- Relationship Management: Build and maintain strong relationships with key stakeholders, acting as a trusted advisor and strategic partner.
- Customer Advocacy & Success Planning: Understand customer goals, develop success plans, and align API solutions to drive business value.
- Product Adoption & Optimization: Monitor usage patterns, identify opportunities for expansion, and provide best practices to maximize API adoption.
- Proactive Engagement & Issue Resolution: Act as the voice of the customer within Vonage, collaborating with support, product, and engineering teams to address challenges and improve the customer experience.
- Renewals & Expansion: Identify upsell and cross-sell opportunities to drive revenue growth and customer retention.
- Training & Enablement: Provide ongoing education and resources to ensure customers are leveraging the full potential of Vonage API solutions.
- Feedback & Insights: Collect and relay customer feedback to internal teams to influence product improvements and roadmap priorities.
04What you'll bring
- Fluent English and Japanese is a must
- Experience: any experience in Customer Success, Account Management, or a similar customer-facing role within a SaaS, CPaaS, or technology-driven company is an advantage
- Technical Acumen: Familiarity with APIs, cloud communications, and software integration processes.
- Customer-Centric Mindset: A strong passion for customer success and the ability to foster meaningful relationships.
- Communication & Problem-Solving: Excellent verbal and written communication skills with a strategic problem-solving approach.
- Collaboration: Ability to work cross-functionally with product, sales, and support teams to drive customer success.
- Data-Driven Approach: Comfortable analyzing customer usage data to identify trends and opportunities.
- Adaptability & Proactiveness: Ability to thrive in a fast-paced environment and proactively address customer needs.
05Why Join Vonage API?
- Be part of a cutting-edge technology company driving digital transformation.
- Work with a talented and passionate team dedicated to customer success.
- Opportunity to make a significant impact on customer experiences and business growth.
- Competitive salary, benefits, and career growth opportunities.
06How you’ll benefit
- Medical Insurance
- Group Life Insurance
- Unlimited Discretionary Time Off
- Three Paid Volunteer Days a Year
Join us in shaping the future of cloud communications! Apply today to become a Customer Success Manager at Vonage API.#LI
#LI-MW1
There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you.
To learn how we process your personal data during the recruitment process, please refer to our Privacy Notice.
07Who we are
Vonage is a global cloud communications leader. And your talent will further help brands - such as Airbnb, Viber, WhatsApp, and Snapchat - accelerate their digital transformation through our fully programmable-based unified communications, contact center solutions, and communications APIs. Ready to innovate? Then join us today.
Note: The purpose of this profile is to provide a general summary of essential responsibilities for the position and is not meant as an exhaustive list. Assignments may differ for individuals within the same role based on business conditions, departmental need or geographic location.
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