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Hi, I'm Juan Gerardo Sánchez Lli, an experienced systems engineer and software developer with a strong background in banking and payment systems. Over the years, I've had the opportunity to lead teams, manage projects, and develop applications across multiple platforms, focusing on ensuring quality and efficiency in financial and IT solutions. I enjoy collaborating with cross-functional teams and delivering excellent solutions to meet business and technical requirements. Whether it's working on Java applications, doing database programming, or managing large-scale projects, I bring dedication and expertise to every assignment.…Hi, I'm Juan Gerardo Sánchez Lli, an experienced systems engineer and software developer with a strong background in banking and payment systems. Over the years, I've had the opportunity to lead teams, manage projects, and develop applications across multiple platforms, focusing on ensuring quality and efficiency in financial and IT solutions. I enjoy collaborating with cross-functional teams and delivering excellent solutions to meet business and technical requirements. Whether it's working on Java applications, doing database programming, or managing large-scale projects, I bring dedication and expertise to every assignment.

Juan Gerardo Sánchez Lli

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Hi, I'm Juan Gerardo Sánchez Lli, an experienced systems engineer and software developer with a strong background in banking and payment systems. Over the years, I've had the opportunity to lead teams, manage projects, and develop applications across multiple platforms, focusing on ensuring quality and efficiency in financial and IT solutions. I enjoy collaborating with cross-functional teams and delivering excellent solutions to meet business and technical requirements. Whether it's working on Java applications, doing database programming, or managing large-scale projects, I bring dedication and expertise to every assignment.…Hi, I'm Juan Gerardo Sánchez Lli, an experienced systems engineer and software developer with a strong background in banking and payment systems. Over the years, I've had the opportunity to lead teams, manage projects, and develop applications across multiple platforms, focusing on ensuring quality and efficiency in financial and IT solutions. I enjoy collaborating with cross-functional teams and delivering excellent solutions to meet business and technical requirements. Whether it's working on Java applications, doing database programming, or managing large-scale projects, I bring dedication and expertise to every assignment.

Available to hire

Hi, I’m Juan Gerardo Sánchez Lli, an experienced systems engineer and software developer with a strong background in banking and payment systems. Over the years, I’ve had the opportunity to lead teams, manage projects, and develop applications across multiple platforms, focusing on ensuring quality and efficiency in financial and IT solutions.

I enjoy collaborating with cross-functional teams and delivering excellent solutions to meet business and technical requirements. Whether it’s working on Java applications, doing database programming, or managing large-scale projects, I bring dedication and expertise to every assignment.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Spanish; Castilian

Fluent

Work Experience

Analista at Banc Sabadell

September 1, 2014 - October 31, 2017

Analyzed and maintained banking remote applications, managed incidents with a team of 6-8 people, and handled contract management applications and IT mediation services. Also prepared databases and documentation for quality assurance and software implantation.

Jefe de Proyecto / Desarrollador / Analista / Diseñador de Aplicaciones Móviles at Imagess Tech

October 1, 2017 - July 31, 2021

Managed projects for Fundación ONCE, developed mobile applications using Web Services, APIs, XML, Swift iOS, MariaDB, SQLite, and Android SDK. Worked with AWS services and web apps with Odoo. Performed QA for Java developments and created Python tools. Led implantation of AI on web pages and managed several app projects across different platforms.

Analista / Líder de Proyecto / Analista Funcional at Banco Santander

July 1, 2009 - May 31, 2014

Managed software projects for cards and risk areas, including analysis, QA, and execution of test cases, and coordination of teams in Madrid and Colombia. Developed software in .Net and Java and worked with Quality Center and MS Project. Also worked on Loan IQ and other banking systems with responsibilities from analysis to execution.

Jefe de Proyecto at Banco HSBC

November 1, 2005 - January 31, 2008

Led projects in payments, risks, and check areas using Cobol, DB2, CICS, and JCL. Analyzed and organized data for banking ATM and card programs, and managed file transfers to clearing houses.

Analista Funcional at Banco BBVA

March 1, 2008 - June 30, 2009

Organized and maintained CRM area with analysis, batch program creation, and execution. Performed updates and maintenance via Némesis on host systems programming in Cobol, Cics, and Db2.

Líder de Proyecto (Analista Orgánico) at BBVA-Bancomer

February 1, 2004 - July 31, 2004

Developed programs with Cobol microfocus, JCLs, DB2, and Unix systems; interacted with IMS databases and managed process scheduling with Control-M.

Analista Programador at Teléfonos de México

November 1, 2001 - December 31, 2003

Performed system maintenance using Informix, Cobol microfocus, PL1, and Unix systems.

Programador at Banco Argentaria (Madrid, España)

October 1, 1998 - December 31, 1999

Maintained systems for Euro acceptance and Y2K compliance across multiple financial areas using Cobol, DB2, CICS, and managed Control-M jobs.

Programador at Banco Banamex

December 1, 1996 - September 30, 1998

Maintained Y2K compliance systems on Unisys using Cobol, MVS, and Cande.

Analista Programador at Teléfonos de México

January 1, 2000 - March 31, 2001

Maintained Safín financial system using VB 5.0, Informix, and Cobol-CICS. Scheduled batch jobs via Control-M.

Analyst / Developer at Isoin

February 1, 2023 - April 27, 2024

Analyzed and developed applications, JCLs, and batch jobs on Linux platforms, accessed Oracle and DB2 databases via SQL and PL/SQL for data verification and testing, generated process documentation, led teams and client meetings, and performed validation of legacy code migrations.

Analyst at Isoin (Banco Sabadell)

September 1, 2023 - February 29, 2024

Conducted analysis, development, and test case execution for payment systems.

Analyst at Isoin (Cajamar)

March 1, 2023 - August 31, 2023

Developed batch applications on Linux platforms with DB2 and Oracle; conducted verification and testing; coordinated project group meetings.

Analyst and Team Leader at Isoin (Iberdrola)

July 1, 2021 - March 31, 2023

Validated Cobol batch to Java program transformations on Linux; used Microfocus and Python for massive executions and data querying; created and tracked JIRA tickets; documented processes; led analyst team; coordinated cross-team meetings for project progress.