> Markdown version of [/jobs/ext/1001530-technical-support-specialist](https://www.wearedevelopers.com/jobs/ext/1001530-technical-support-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Technical Support Specialist - **Company:** FYST - **Location:** Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Payment Systems, Log Analysis, Standard Sql, SQL Databases, Systems Integration, Transaction Processing (Computing), Postman, Restful APIs, Webhooks - **Published:** June 30, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=78c5de6335504323 ## About the Role Do you have experience in SQL?, * At least 2+ years of experience in fintech, payment systems, PSP, acquiring, or payment orchestration * Strong understanding of the payment lifecycle (authorization, capture, refunds, chargebacks) * Hands-on experience with payment integrations, gateways, or technical payment operations * Ability to investigate payment issues using logs, API tools (Postman), and basic SQL * Understanding of REST APIs, webhooks, and transaction flows * Experience with L2/L3 technical support or payment operations * Ability to independently troubleshoot incidents and work with engineering/product teams * Strong communication skills and ability to explain technical topics to non-technical teams * Fluent in Russian and good English level ## Description * Payment System Configuration: сonfigure and maintain payment entities in the gateway (merchants, providers, routing rules, limits). * Manage payment methods activation, routing logic, and transaction limits according to business requirements. * Support onboarding of new merchants from a technical perspective. * Integrations & Testing: set up and test new payment integrations with providers and merchants. * Perform functional testing of payment flows (deposit / withdrawal) and validate transaction processing. Assist with releases of new payment methods and features. * Technical Support (L2): act as Level 2 technical support for the Customer Support team. * Investigate technical issues reported by merchants, providers, or internal teams. Analyze logs, transaction statuses, and system behavior to identify root causes of issues. * Monitoring & Incident Management: monitor alerts and system notifications related to payments and integrations. Participate in incident investigation and resolution. Escalate critical issues to relevant technical teams when necessary. * Product & Process Improvement: identify system bugs and inconsistencies and report them to the product and development teams. * Contribute to improving internal processes, tools, and automation of support workflows. * Provide technical assistance to internal teams (Account Management, Customer Support, Product). ## Related Videos - [Progressive Delivery in Kubernetes](https://www.wearedevelopers.com/videos/949-progressive-delivery-in-kubernetes) - [Beyond Webhooks: The Future of Scalable API Event Delivery](https://www.wearedevelopers.com/videos/100312-beyond-webhooks-the-future-of-scalable-api-event-delivery) - [Are Your APIs Ready for AI Agents](https://www.wearedevelopers.com/videos/2004-are-your-apis-ready-for-ai-agents) - [Fintech Rebellion: How Developers Are Disrupting the Future of Commerce](https://www.wearedevelopers.com/videos/596-fintech-rebellion-how-developers-are-disrupting-the-future-of-commerce) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [The Vonage Trivia Voyage: Quiz Your Way to the Top!](https://www.wearedevelopers.com/videos/761-the-vonage-trivia-voyage-quiz-your-way-to-the-top) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/213-software-developer-salary-in-austria-2023) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)