Technical Support Engineer - API & IntegrationsDublin / Remote EU · Full-timeAt NoFrixion, we are rebuilding enterprise money operations from the ground up. We build the workflows modern finance teams need: programmable, compliant, resilient.Our platform moves regulated money in real time across Europe and beyond, and powers the mission-critical flows of high-volume enterprises. This role is central to that mission.About the RoleAs a Technical Support Engineer – API & Integrations, you will be responsible for assisting customers and internal teams with troubleshooting API integrations, payment flows, and technical issues.This role is ideal for someone with a strong technical background, experience working with APIs, and the ability to diagnose and resolve complex integration challenges.Key Responsibilities-Provide technical support for customers and partners integrating with NoFrixion's APIs.-Troubleshoot API-related issues, including authentication, rate limits, data mapping, and performance bottlenecks.-Analyse and resolve L2 support queries.-Work closely with engineering teams to escalate and resolve complex technical issues efficiently.-Develop and maintain technical documentation and best practices for API integrations and troubleshooting.Experience & SkillsSeveral years of experience in technical support or software engineering for a SaaS product.Excellent problem-solving skills and ability to communicate technical concepts clearly.Strong understanding of APIs (REST), CURL and integrations with third-party platforms.Experience with debugging tools, API monitoring, and log analysis.Proficiency in C# .NET or Python, or would be a plus.Experience with financial services, payments, or EMI is preferred, but not mandatory.