ApplySarthiJunior Customer Success Manager (API)
Vonage
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4,118 open customer roles across 719 companies are on ApplySarthi right now, most of them in Bengaluru (72), Delhi NCR (69), Hyderabad (35).
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What customer roles keep asking for: Customer success (34%), SaaS (21%), Account management (19%), CRM (17%), Stakeholder management (14%), Salesforce (14%), Excel (13%), Supply chain (13%) — counted across their open postings here.
Customer Success Manager jobs in Japan · Remote Customer Success Manager jobs · Account management jobs · Customer success jobs · SaaS jobs
Vonage has 27 open roles listed here.
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- Project Delivery Manager
- Senior Business Operations Specialist
- Senior Engineering Delivery Manager
- Technical Routing Analyst
Counted across 14 company job boards, updated as roles open and close.
Preparing for this interview
Interviews for customer roles keep coming back to Customer success, SaaS, Account management, CRM. Practise those questions before you sit with Vonage.
Questions you are likely to be asked
- Why do you want to join Vonage?
- What is your experience with Customer success? Tell me one thing you learned the hard way.
- How do you decide which ticket to work on first?
- Tell me about feedback from customers that you passed on to the product team.
- How do you explain a technical problem to a customer who is not technical?
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Practise the Junior Customer Success Manager (API) at Vonage interview free →Join Vonage and help us innovate cloud communications for businesses worldwide!
About 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.
Why 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.
Your 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.
What 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.
Why 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.
How 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.
Who 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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Listed on greenhouse · posted 2026-04-29. ApplySarthi collects openings and links to application pages; the role is advertised by Vonage, not by us.