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 Profesional2 años de experienciaIdiomas: Inglés Conocimientos: Servidor de windows, Soporte técnico, Sql, Sql server, Ingeniería de soporte de sistemasPalabras clave: apoyo, support, soporte, ingeniero, engineers, ingeniera, ing, engineer, db, bd, sql, db2, firebird, informix, interbase, oracle, postgresql, sqlserverWe 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 Profesional2 años de experienciaIdiomas: Inglés Conocimientos: Servidor de windows, Soporte técnico, Sql, Sql server, Ingeniería de soporte de sistemasPalabras clave: apoyo, support, soporte, ingeniero, engineers, ingeniera, ing, engineer, db, bd, sql, db2, firebird, informix, interbase, oracle, postgresql, sqlserver **Salario:** 4150000 COP/MONTH.