Guillermo Maranto
@guillermomaranto
I lead reliable banking software releases, delivery governance, and application operations.
MexicoWhat I'm looking for
At Citibanamex, I've led end-to-end software delivery, release governance, and application ownership for critical banking applications supporting branches, ATMs, fraud prevention, payroll, payments, HR, and identity-theft prevention.
I've achieved a 98% on-time implementation rate, reduced production rollbacks by 40%, and improved delivery timelines by 25% by aligning development, QA, infrastructure, operations, and business stakeholders.
I've automated SPEI reconciliation from eight hours to two and reduced application incidents by 85% through proactive maintenance, security fixes, migration planning, and coordinated production support.
Experience
Work history, roles, and key accomplishments
Apps Dev Senior Programmer Analyst
Citibanamex
Oct 2007 - Jun 2025 (17 years 8 months)
Led release planning, change governance, and production support for critical banking applications, achieving a 98% on-time implementation rate and reducing production rollbacks by 40%. Managed nine critical applications and automated the SPEI reconciliation process, reducing processing time from 8 to 2 hours.
Education
Degrees, certifications, and relevant coursework
Bayswater
English Language Program, English Language
2026 -
Currently studying an English Language Program at Bayswater Vancouver, Canada, focusing on professional and everyday English communication.
Tecmilenio
Master, Positive Leadership
Master in Positive Leadership degree in process.
Universidad del Valle de México
Master of Engineering, Artificial Intelligence
Pursuing a Master of Engineering with a concentration in Artificial Intelligence, expected to complete in 2027.
Universidad Anáhuac
International Certificate, Agile Project Management
International Certificate in Agile Project Management, expected to complete in September 2026.
Universidad Autónoma de Nuevo León
Bachelor's Degree, Systems Engineering
1998 - 2002
Bachelor's degree in Systems Engineering from Universidad Autónoma de Nuevo León, completed in 2002.
Tech stack
Software and tools used professionally
Availability
Location
MexicoAuthorized to work in
Job categories
Skills
Interested in hiring Guillermo?
You can contact Guillermo and 90k+ other talented remote workers on Himalayas.
Message GuillermoGet matched with your dream remote job
Sign up now and join over 250,000+ remote workers who receive personalized job alerts, curated job matches, and more for free!
