Integration & Customer Success Specialist - Card Issuing

StraitsX; Kuala Lumpur; On-site; MYR 100,000 - 150,000; Full time

Job summary

A financial technology company in Kuala Lumpur is seeking an Integration & Customer Success Specialist to serve as the primary technical contact for clients. This role requires guiding clients through API integrations, offering hands-on support, and troubleshooting technical issues. Candidates should have over 2 years of client-facing experience, strong skills in RESTful APIs, and excellent communication in English and Mandarin. Join a team dedicated to driving client success and improving integration processes.

Qualifications

• 2+ years of experience in a client-facing technical role focused on API integrations.
• Proven ability to guide clients through complex technical processes.
• Demonstrated expertise in working with and troubleshooting RESTful APIs.

Responsibilities

• Guide clients through technical integration of API for card issuing.
• Act as the primary technical point of contact providing hands-on assistance.
• Debug technical issues in sandbox and production environments.

Skills

Client-facing role experience

RESTful API troubleshooting

Exceptional communication skills

Problem-solving abilities

Client-centric mindset

Job description

Integration & Customer Success Specialist - Card Issuing

About The Role

We're looking for a passionate Integration Engineer to join our team. You'll be the primary technical point of contact for our clients, guiding them through API integrations, debugging issues, and handling essential technical setups. Your work will directly contribute to faster onboarding times and higher client satisfaction, allowing our core teams to focus on product innovation.

What Will You Do

• Guide and support new clients step-by-step through the technical integration of our API for card issuing, from initial setup to full go-live.
• Act as the primary technical point of contact for clients, providing hands‑on assistance, answering integration‑related questions, and offering continuous technical support even after they are live.
• Routinely debug and diagnose technical issues within both sandbox and production environments, working directly with clients to identify and implement solutions.
• Manage and execute technical configuration tasks such as whitelisting, credential setup, and other necessary system configurations.
• Develop and maintain clear, comprehensive technical documentation and resources to empower clients and expedite their integration journey.
• Actively participate in client‑facing communication channels (e.g., Slack, WhatsApp) to provide timely and effective first‑line technical support.
• Effectively translate client feedback and identified integration challenges into actionable insights for our internal Software Engineering teams, facilitating continuous improvement of our API and services.
• Collaborate closely with our Sales, Product, and Engineering teams to ensure a seamless and positive client experience from initial engagement through successful integration and beyond.

What We Are Looking For

• 2+ years of experience in a client‑facing technical role, such as Integration Engineer, Solutions Engineer, or Technical Account Manager, with a focus on API integrations.
• Proven ability to guide clients through complex technical processes and provide direct, hands‑on support.
• Demonstrated expertise in working with and troubleshooting RESTful APIs.
• Exceptional written and verbal communication skills in both English and Chinese (Mandarin) are essential.
• Strong problem‑solving abilities with a methodical approach to diagnosing and resolving technical integration issues.
• Experience in creating and maintaining clear, user‑friendly technical documentation.
• A proactive, client‑centric mindset with a strong sense of ownership over client success.
• Familiarity with financial technology (FinTech), blockchain, or cryptocurrency is considered a significant advantage.
• Ability to work effectively and collaboratively with cross‑functional internal teams, including software development.