Technical Support Engineer (L3)

Responsibilities

• Provide technical support, configuration, and troubleshooting for B2B clients on the Sumsub platform
• Perform technical analysis of reported problems and define resolution plans
• Interact with other engineers to provide technical action plans or handle escalated cases
• Act as a liaison between clients and internal resources to answer technical questions
• Communicate with clients via chat, email, and outbound calls
• Develop and implement custom solutions using simple scripting or coding

Requirements

• Fluent in English and Mandarin
• Experience troubleshooting web applications and those using RestAPI
• Basic understanding of programming fundamentals and data types
• Practical experience working with SQL-like databases
• Simple scripting skills in any language
• Basic HTML and CSS experience

Preferred Qualifications

• Familiarity with Kibana or the Elastic Stack
• Proficiency in supporting or working with mobile or web SDKs
• Practical exposure to API troubleshooting
• Background in technical support for web or mobile applications
• Understanding of crypto, fintech, or banking applications

About the Company

Sumsub is the first AI-powered trust infrastructure for compliance operations at scale, connecting identity and business verification, fraud prevention, transaction monitoring, and risk workflows to help teams reduce manual work and enter new markets.