Summary: We are seeking a Technical Customer Support Specialist to serve as the main point of contact for clients, providing second-level technical analysis and incident resolution in transactional environments. Highlights: 1. Focus on B2B technical support for transaction/payment-related systems 2. Engage in second-level technical analysis and incident resolution 3. Opportunity to work with APIs, SQL, and troubleshooting tools We are looking for a Technical Customer Support Specialist with strong experience in B2B technical support for transaction/payment-related systems. The role focuses on acting as the main point of contact for clients, providing second-level technical analysis, investigation, and resolution of incidents in transactional environments. Key Requirements: - Proven experience in technical customer support or client-facing B2B roles, ideally supporting financial or transactional systems. - Solid knowledge of APIs (SOAP/REST), SQL, and working with XML/JSON for troubleshooting. - Experience using tools such as Jira, Postman, ELK, or similar monitoring and analysis platforms. - Strong problem-solving skills and ability to communicate with technical and non-technical stakeholders. - Fluent conversational English (B2+), both written and spoken. Preferred / Nice to Have: - Experience with payment methods, card transactions, POS/ATM systems, fraud (3DS), and chargebacks. - Familiarity with Visa/Mastercard processing or payment platforms. This is an on-site position in Barranquilla, Colombia. -Requerimientos - Educación mínima: Universidad / Carrera Profesional 2 años de experiencia Idiomas: Inglés Conocimientos: Servidor de windows, Soporte técnico, Sql, Sql server, Ingeniería de soporte de sistemas Palabras clave: apoyo, support, soporte, ingeniero, engineers, ingeniera, ing, engineer, db, bd, sql, db2, firebird, informix, interbase, oracle, postgresql, sqlserver We are looking for a Technical Customer Support Specialist with strong experience in B2B technical support for transaction/payment-related systems. The role focuses on acting as the main point of contact for clients, providing second-level technical analysis, investigation, and resolution of incidents in transactional environments. Key Requirements: - Proven experience in technical customer support or client-facing B2B roles, ideally supporting financial or transactional systems. - Solid knowledge of APIs (SOAP/REST), SQL, and working with XML/JSON for troubleshooting. - Experience using tools such as Jira, Postman, ELK, or similar monitoring and analysis platforms. - Strong problem-solving skills and ability to communicate with technical and non-technical stakeholders. - Fluent conversational English (B2+), both written and spoken. Preferred / Nice to Have: - Experience with payment methods, card transactions, POS/ATM systems, fraud (3DS), and chargebacks. - Familiarity with Visa/Mastercard processing or payment platforms. This is an on-site position in Barranquilla, Colombia. -Requerimientos - Educación mínima: Universidad / Carrera Profesional 2 años de experiencia Idiomas: Inglés Conocimientos: Servidor de windows, Soporte técnico, Sql, Sql server, Ingeniería de soporte de sistemas Palabras clave: apoyo, support, soporte, ingeniero, engineers, ingeniera, ing, engineer, db, bd, sql, db2, firebird, informix, interbase, oracle, postgresql, sqlserver **Salary:** 4150000 COP/MONTH.