Technical Support Engineer

About the role

Sumsub is seeking a Technical Support Engineer to assist B2B clients with the Sumsub verification platform. You will act as the primary technical liaison, helping customers resolve issues and ensuring smooth integration of our services.

Key responsibilities

• Provide technical support, configuration, and troubleshooting for Sumsub platform issues.
• Analyze reported problems, devise resolution plans, and execute them.
• Collaborate daily with engineering teams for escalated cases and action plans.
• Liaise with internal teams to answer client technical questions via chat, email, and calls.

Required profile

• Fluent in English and Spanish or Portuguese (minimum upper‑intermediate).
• At least 1 year of technical support experience, preferably SaaS, web, or mobile.
• Customer‑first attitude with strong analytical mindset.

Required skills

• Understanding of HTTP requests, status codes, REST APIs and JSON.
• Ability to debug network requests in browser developer tools.
• Basic SQL query writing for data investigation.
• Experience with API testing tools such as Postman.
• Familiarity with logging and monitoring platforms (Grafana, Kibana, Datadog).

What we offer

• Remote‑first, trust‑based culture with no mandatory office days.
• Extra time off, including birthday holidays, personal days, and generous sick leave.
• Opportunity to work on impactful fintech compliance solutions.
• Competitive compensation package.