Job Summary: A leading company in the sector is seeking a Senior Software Developer to lead the cloud evolution and ensure operational stability of critical applications. Key Highlights: 1. Lead payroll and ERP projects. 2. Lead the cloud evolution and integration with ZOHO CRM. 3. Oversee payroll calculation and CFDi stamping. A leading company in the sector is seeking a candidate due to growth. **SENIOR SOFTWARE DEVELOPER** **Job Profile and Technical Requirements** Experience: Minimum 6 years in the IT market, with proven experience leading payroll and ERP projects. Critical Mission: Maintain operational stability of an on-premise web application (monolithic Docker/PHP/MySQL) while leading its evolution to the cloud (serverless architecture on AWS/Azure) and integration with ZOHO CRM. Required Technology Stack: Advanced proficiency in Python (CloudRun), PHP 5\.6 (maintenance), JavaScript frameworks, AWS Lambdas, MySQL, and API integration. **Technology Stack and Required Knowledge** Languages and Environments: Proficiency in Python (for XML Vault on Google CloudRun), PHP v5\.6 (maintenance of eNomina 1\.0 on Docker), and TypeScript. Cloud and Infrastructure: Advanced experience with AWS (Lambdas for eNomina 2\.0) and Azure (management of MDB/MsAccess databases for SUA). Databases: Expert-level MySQL management. Integrations: REST API handling for bulk CFDi download from FACTURALO and connection with custom modules in ZOHO CRM. **Key Responsibilities** Critical Payroll Support: Oversee payroll calculation, bank disbursement, and CFDi stamping in version 1\.0, ensuring zero interruptions. Cloud Architecture: Lead the technical migration of functions to eNomina 2\.0, optimizing Lambda usage and CRM integration. XML Vault Management: Maintain and scale the CloudRun service for direct SAT downloads and automated ZIP and PDF file generation. Corporate Control: Develop and customize modules in ZOHO CRM for customer, company, and cost center management. Mentorship: Provide technical leadership to Junior Developers, ensuring code quality through reviews and CI/CD best practices. **WE OFFER:** Monthly Salary: $25,000 net per month. Timeliness and attendance bonus. Vouchers. Life insurance. Working Hours: Monday–Friday, 9 a.m.–7 p.m.; Saturdays, half-day. Work Location: Anzures neighborhood. IF YOU ARE INTERESTED, APPLY NOW AND WE WILL CONTACT YOU SHORTLY. Employment Type: Full-time Salary: $25,000\.00 per month Benefits: * Life insurance Work Location: On-site employment