Technical Support Engineer

About Sumsub

Sumsub is a leading full-cycle verification platform that enables scalable compliance. From identity and business verification to ongoing monitoring, our platform adapts to different risk appetites and market demands, ensuring global compliance. It allows customizing analytics and workflows with a no-code interface.

Over 4,000 clients — including Bitpanda, Wirex, Avis, Bybit, Vodafone, Duolingo, Kaizen Gaming, and TransferGo — trust Sumsub to accelerate growth, prevent fraud, and maintain compliance worldwide.

Technical Support Engineer Role

We are looking for a Technical Support Engineer to join our team!

What You Will Be Doing:

• Providing technical support, configuration, and troubleshooting for issues with the Sumsub platform for our B2B clients.
• Performing a technical analysis of reported problems and define plans for resolving them.
• Interacting daily with other engineers to provide technical action plans or take ownership of cases that require escalation.
• Collaborating closely with other teams to answer clients’ technical questions, acting as a liaison between the client and internal Sumsub resources.
• Communicating with clients using chat, email, and outbound calls.

About You:

• Fluent in English & Mandarin (both oral and written, upper-intermediate as a minimum).
• Basic understanding of networking, web, API requests, and SQL.
• Possess curiosity, calmness, thoughtfulness, and the ability to satisfy even the pickiest customers.
• Willingness to provide excellent support service.

Would be considered a plus:

• Experience with debugging network requests using the browser’s console.
• Familiarity with Postman or practical experience with API troubleshooting.
• Proficiency in Mandarin language.
• Hands-on experience in technical support for web or mobile applications.

What We Offer:

• Remote-first, trust-based culture. Work from the place that works best for you. No mandatory office days, no attendance trackers.
• True flexibility. Adjust your working hours as long as your day stays productive and in sync with the team.
• Extra time off. Your birthday is a holiday, plus 10 personal days, seven sick days, and extra time for Christmas and New Year.
• Work that matters. Help build a digital world that is secure, accessible, and inclusive.
• Compensation. Fair and transparent pay, benchmarked to the market.
• Truly global. Work across continents and time zones with teammates and customers worldwide.
• Growth built in. Clear goals, open feedback, personal development plans, and learning opportunities.
• Team offsites. Fully covered trips to meet, collaborate, and recharge in person.
• Getting you set up. Access to the tools and hardware you need.
• Friendly by design. A human, open, and kind work environment that welcomes individuality.

Hiring Process:

TA screening -> Hiring Manager Interview

Diversity & Inclusion:

Sumsub is proud to be an equal opportunity employer, committed to building a diverse and inclusive workforce. We welcome applications from people of all backgrounds, cultures, genders, experiences, abilities, and perspectives. Join us in shaping the future inclusively.

Key skills/competency

• Technical Support Engineer
• Client Support
• Troubleshooting
• API Requests
• SQL
• Networking
• Web Technologies
• Customer Service
• Problem Solving
• English and Mandarin Fluency