Profesional de carácter flexible, autodidacta proactivo y con habilidades de comunicación, toma de decisiones y resolución de conflictos. Con experiencia en el análisis de procesos de negocio así como en la construcción e implementación de sistemas de Información y con trayectoria trabajando tanto en equipos multidisciplinarios como liderándolos, así como en el seguimiento y diagnóstico de problemas junto a la elaboración de soluciones consistentes y efectivas para los mismos.

Hello, My name is Joseph Calla
 With more than +5 years of experience developing iOS and iPAD OS, mentoring iOS developers and Leading iOS teams. My experience working with startup, banking, payments, retail, B2B, e-commerce, Cruise and news apps with user volumes greater than 1 million users per month has taught me the importance of scalability and user experience. , ensuring that your app not only runs smoothly but also provides a smooth and enjoyable experience for your users.

I have experience migrating from Objective-C features to Swift, starting an app from scratch to release and updating it with new versions.

Senior developer with 10 years of experience in SAP solutions Certifications (4): - SAP Certified Development Specialist - ABAP for SAP HANA 2.0 (E_HANAAW_17) - SAP Certified Application Associate - SAP Mobile Platform Native and Hybrid Application Administration (SMP 3.0) (C_SMPADM_30) - SAP Certified Development Associate - ABAP with SAP NetWeaver 7.50 (C_TAW12_750) - SAP Certified Development Associate - SAP Fiori Application Developer (C_FIORDEV_21)

Certified as: - SAP Business Planning and Consolidation 10.1 and 11.0 - SAP S/4Hana Finance for Group reporting (SAP S/4HANA 2021) Experience on SAP BPC implementation, classic NW/MS and embedded. From version 7.0 to 11.1, covering budgeting, forecasting and consolidation process E2E project, functionally and technically. Experience also on other EPM tools like Disclosure Management (DM), SAP Analytics Cloud (SAC). Experience on Group reporting S4. Experience in different sectors Real estate, Energy, Hotels, Food, Canning industry, Fashion, Outsourcing, Entertainment, IT and Banking Functional knowledge examples: Budgeting/Forecasting - CAPEX - OPEX - Cash Flow - Human Resources planning - VAT planning - Company Tax planning - Balance planning - Credit lines planning - Consolidation process (Currency conversion, eliminations, consol. methods, workflow consolidation process...) - Consolidation of Budget Technical knowledge examples: - EPM/AFO Reporting - Data Manager (Integration w/Conversion transformation files) - Script logic, ABAP debugging, planning functions, other BW/BPC technical content - Hana studio/eclipse, queries. - BW - VBA