IDS Comercial is a 100% Mexican IT company with 40 years of experience and presence in Mexico, Latin America, and the United States. We are accredited at CMMI Level 5 (Capability Maturity Model Integration), a quality model established by the Software Engineering Institute (SEI). We are ISO-certified under ISO/IEC 27001:2013. We hold the Socially Responsible Enterprise (ESR) distinction. WE ARE LOOKING FOR YOU!! **BASE24 Consultant** **Work Mode: Hybrid (2–3 days per week on-site)** **Location: Mexico City (CDMX), Toreo** **Experience: 2–3 years in a similar role** **Requirements** * **Intermediate to Advanced English (CONVERSATIONAL)** * Fundamental knowledge of payment methods * ISO 8583 (mandatory) * Messaging * Data Elements (DEs) * Encodings * Switching and routing * EMV (chip, tags, ARQC, ARPC) * Issuer and acquirer models * Transaction flows: * ATM * POS * E-commerce * Reversals, adjustments, settlements * HP NonStop / Tandem system * Guardian + OSS * PATHWAY process handling * Enscribe and/or SQL-MX proficiency * COBOL, C/C++, or Java programming or code reading ability * Linux/Unix * Service-oriented architecture * Distributed switch and APIs