Customer Success Specialist

We're looking for a proactive, client-first Client Success Specialist to join our team in the Vietnam. You'll own the day-to-day relationship for an assigned portfolio of clients on our self-serve, SaaS-based platform, helping them onboard, adopt, and get ongoing value from the product.
This is a global, client-facing role, and a collaborative one. You'll work closely with internal Client Success, Product, and Support teams across Singapore and India to ensure a consistent, high-quality experience for clients across markets. Strong communication skills and comfort working with clients from different cultural and business contexts are important, since you'll be part of a global client base spanning multiple regions.
This role is ideal for someone who enjoys building genuine client relationships, solving problems collaboratively alongside a cross-regional team, and is looking to grow their client success career within a fast-paced, global environment.
Key Responsibilities Client Relationship & Account Management
Be the primary point of contact for an assigned portfolio of clients, building strong, trust-based relationships
Understand each client's business objectives and ensure the product is set up and used in a way that supports them
Conduct regular check-ins, performance reviews, and business reviews with clients
Proactively identify opportunities to add value, reduce churn risk, and support account growth
Onboarding & Adoption
Lead onboarding for new clients, ensuring a smooth, well-guided start on the platform
Drive product adoption through training sessions, walkthroughs, and ongoing support
Troubleshoot client issues and coordinate with internal teams to resolve them in a timely manner
Gather and relay client feedback to help improve the product and the client experience
Cross-Regional Collaboration
Work closely with Client Success, Product, and Support teams across Singapore and India to ensure a consistent client experience
Loop in the right internal stakeholders early on client issues that need cross-team or cross-regional input
Adapt communication style and approach for clients across different markets and time zones
Share client feedback and market observations with the broader team to help improve processes and support
Must-Haves
3-5 years of experience in client success, client servicing, or account management at a SaaS, product-based, or ad-tech/martech company
Excellent verbal and written communication skills, comfortable building relationships with clients from different regions and backgrounds
Demonstrated experience owning client relationships end-to-end, from onboarding through ongoing support
Comfortable working with clients and internal teams across different markets and time zones
A collaborative team player, comfortable coordinating with cross-functional and cross-regional teams to solve client problems
Strong problem-solving skills and the ability to manage multiple client accounts simultaneously
Good to Have
Understanding of digital marketing, advertising, or the broader ad-tech/martech ecosystem
Familiarity with CRM or client success tools (e.g., HubSpot, Salesforce, Zendesk, Notion)
Experience working with clients across multiple geographies or in a global/multi-market role
Experience working within a cross-regional or globally distributed team
What You'll Get
Exposure to a global client base across multiple markets
The chance to work closely with a collaborative, cross-regional Client Success team across Singapore and India
Opportunity to grow your client success career within a fast-paced, global SaaS environment
A supportive, team-oriented culture
About DeltaX
Founded in 2012, DeltaX is an AI & Automation company driving transformation primarily in the area of Marketing & Advertising. Our flagship product is a data-driven digital advertising platform designed for agencies and advertisers to seamlessly plan, create, buy, track, attribute, and report campaigns across search, social, display RTB, mobile, video, and other digital channels. Its cutting-edge technology empowers marketing teams worldwide with deep insights, automated ROI-based spend optimisation, and the ability to execute award-winning, technology-driven campaigns.
The scope of our offering has compounded in width and depth with AI and automation being at the forefront of it.