we are seeking a senior or principal engineer to lead critical run-the-business activities while driving modernization initiatives across a portfolio of enterprise mobile applications and supporting backend services.

this role will be responsible for leading a strategic initiative to remove the scandit sdk from multiple i os applications and replace it with native i os camera scanning capabilities. In addition, the engineer will support application enhancements, modernization efforts, ongoing maintenance, and production operations for both mobile applications and their java/web sphere backend services.

the idóneo candidate is a hands-on engineer with experience across i os,. Net maui, c#, java, web sphere, databases, and enterprise mobile deployments, capable of supporting both front-end mobile applications and the backend systems that power them.

key responsibilities

backend development in java, including enterprise services on application servers such as web sphere

- relational databases, including advanced sql on db2 and oracle
- api integration with rest and soap services, including tracing and troubleshooting
- legacy code maintenance: reading, refactoring, and modernizing established java codebases
- frontend development with angular and familiarity with linux-based environments
- production troubleshooting using apm tools such as dynatrace, along with log analysis
- incident and change management in itsm platforms
- cross-platform and mobile development with c# and. Net maui, with native i os experience (nice to have)
- application release management for mobile apps, including enterprise distribution and test flight
- regression testing and impact analysis for service and data changes.

overall responsibilities

smobile application development & modernization





- develop, maintain, and enhance enterprise i os applications using c#,. Net maui, and xamarin.i os.
- participate in xamarin-to-. Net maui migration initiatives.
- design, develop, and support native i os camera and barcode scanning functionality.
- perform device compatibility testing and i os version upgrade validation.
- conduct regression testing and impact analysis for application, service, and data changes.

application release management
- manage mobile application releases through enterprise distribution platforms and test flight.
- configure and support vmware air watch (workspace one uem) deployments.
- maintain apple provisioning profiles, distribution certificates, and application signing processes.
- coordinate production releases and deployment activities.

backend services support
- support and maintain java-based backend systems running on ibm web sphere application server.
- troubleshoot and enhance rest and soap services.
- analyze and resolve application integration issues.
- work with legacy java applications and web technologies when required.

production support & maintenance
- investigate and resolve production incidents.
- monitor application performance using dyna trace or similar apm tools.
- participate in incident, problem, and change management processes.




- support continuous improvement and operational stability across mobile and backend applications.

database & data support
- create and troubleshoot sql queries.
- support db2, oracle, sql server, and sqlite data environments.
- investigate data integrity and performance issues.
- assist with troubleshooting data flows connected to enterprise and mainframe systems.

required qualifications
- 5+ years of software engineering experience with mobile and backend applications.
- 3+ years of i os development experience using xcode and the i os sdk.
- hands-on experience with c#,. Net, and xamarin/. Net maui.
- strong experience supporting and troubleshooting java applications and rest/soap services.
- experience with ibm web sphere and legacy enterprise environments.
- working knowledge of sql and database troubleshooting (db2, oracle, or sql server).
- experience with enterprise mobile application deployment, including air watch/workspace one, apple certificates, provisioning profiles, and test flight.
- experience migrating xamarin applications to. Net maui.
- experience implementing native i os barcode scanning using avfoundation, vision, or vision kit.
- experience replacing third-party mobile sdks such as scandit.
- familiarity with angular, vaadin, jsp, struts, or suse linux environments.
- experience working in large enterprise environments supporting mission-critical applications

benefits
- contrato a largo plazo.
- 100% remoto.
- vacaciones y ptos
- posibilidad de recibir 2 bonos al año.
- 2 revisiones salariales al año.
- clases de inglés.
- equipamiento apple.
- plataforma de cursos en linea
- budget para compra de libros.
- budget para compra de materiales de trabajo
- mucho mas..

#j-18808-ljbffr

📌 Senior mobile & full-stack engineer (.net maui / ios / java) (México)
🏢 Improving South America
📍 México