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Sumsub

Technical Support Engineer, L3

Sumsub

. Provide technical support, configuration, and troubleshooting for the Sumsub platform for B2B clients .

Posted 9/15/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong technical support capabilities for web and mobile applications, with proficiency in troubleshooting, scripting, and API interactions. Fluent in English and Mandarin, facilitating effective communication with B2B clients and internal teams.

Highest-signal resume keywords
Technical Support for Web ApplicationsTroubleshooting REST APIsSQL-Like Database ExperienceScripting SkillsFluency in English and Mandarin

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Troubleshooting Web ApplicationsBasic Programming FundamentalsSQL-Like Database ExperienceScripting SkillsBasic HTMLBasic CSSAPI TroubleshootingTechnical AnalysisConfiguration ManagementCustom Solution Development
Soft Skills
Excellent Support ServiceEffective CommunicationCollaboration
Tools & Technologies
Sumsub PlatformKibanaElastic StackMobile SDKsWeb SDKs
Industry Keywords
CryptoFintechBanking Applications

Tech Stack

Tools & technologies
SQL

About the role

Key responsibilities & impact
  • Provide technical support, configuration, and troubleshooting for the Sumsub platform for B2B clients
  • Perform technical analysis of reported problems and define resolution plans
  • Interact daily with engineers to provide technical action plans or own escalated cases
  • Collaborate with other teams to answer clients’ technical questions
  • Act as liaison between clients and internal Sumsub resources
  • Communicate with clients through chat, email, and outbound calls
  • Develop and implement custom solutions involving simple scripting or coding

Requirements

What you’ll need
  • Fluent in English and Mandarin
  • Experience troubleshooting web applications
  • Basic understanding of programming fundamentals, such as data types
  • Experience troubleshooting web applications using REST APIs
  • Practical experience with SQL-like databases
  • Simple scripting skills in a language of choice
  • Basic HTML and CSS experience
  • Willingness to provide excellent support service
  • Familiarity with Kibana or the Elastic Stack is a plus
  • Proficiency supporting or working with mobile or web SDKs is a plus
  • Practical exposure to API troubleshooting is a plus
  • Background in technical support for web or mobile applications is a plus
  • Understanding of crypto, fintech, banking applications, or services is a plus

Benefits

Comp & perks
  • Remote-first, trust-based culture
  • Work from the place that works best for you
  • No mandatory office days and no attendance trackers
  • Offices or coworking spaces available in some locations, with employee choice
  • Birthday holiday
  • 10 personal days each year
  • Seven sick days without paperwork
  • Role-specific learning opportunities and covered professional events
  • Financial bonuses for marriage and welcoming a new baby
  • Fully covered team offsites several times a year
  • Tools and hardware provided
  • Equal opportunity and inclusive workplace