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I am Byron Quintuna, a dedicated and curious full-stack software engineer with extensive experience in the financial services sector. I enjoy building scalable payment systems and leading cross-functional teams to deliver impactful technology solutions. I thrive in roles that blend hands-on development with strategic leadership, from architecting payment hubs to guiding product demonstrations and customer success. I am eager to tackle the next challenge and drive value through engineering and collaboration.…I am Byron Quintuna, a dedicated and curious full-stack software engineer with extensive experience in the financial services sector. I enjoy building scalable payment systems and leading cross-functional teams to deliver impactful technology solutions. I thrive in roles that blend hands-on development with strategic leadership, from architecting payment hubs to guiding product demonstrations and customer success. I am eager to tackle the next challenge and drive value through engineering and collaboration.

Byron Quintuna

Full Stack Developer, Web Developer, Programmer, +3

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I am Byron Quintuna, a dedicated and curious full-stack software engineer with extensive experience in the financial services sector. I enjoy building scalable payment systems and leading cross-functional teams to deliver impactful technology solutions. I thrive in roles that blend hands-on development with strategic leadership, from architecting payment hubs to guiding product demonstrations and customer success. I am eager to tackle the next challenge and drive value through engineering and collaboration.…I am Byron Quintuna, a dedicated and curious full-stack software engineer with extensive experience in the financial services sector. I enjoy building scalable payment systems and leading cross-functional teams to deliver impactful technology solutions. I thrive in roles that blend hands-on development with strategic leadership, from architecting payment hubs to guiding product demonstrations and customer success. I am eager to tackle the next challenge and drive value through engineering and collaboration.

Available to hire

I am Byron Quintuna, a dedicated and curious full-stack software engineer with extensive experience in the financial services sector. I enjoy building scalable payment systems and leading cross-functional teams to deliver impactful technology solutions.

I thrive in roles that blend hands-on development with strategic leadership, from architecting payment hubs to guiding product demonstrations and customer success. I am eager to tackle the next challenge and drive value through engineering and collaboration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Software Engineer at Montran Corporation

September 1, 2023 - October 18, 2025

Contributed to the development and delivery of a Global Payment Hub for Westpac Bank in Fiji; coordinated the upgrade of the Domestic and Foreign Payment Hub for the Central Bank of Curacao; architected a Payment Hub to enable the integration of banks with a real-time payment platform in Guatemala; supported the development of new regulatory features for the High-Value Payment System of Chile; designed an AWS-based SaaS product to issue electronic certificates and sign documents in Ecuador; delivered product demonstrations to prospective customers.

Technical Team Leader at Montran Corporation

December 31, 2018 - October 18, 2025

Delivered a Global Payment System to route interbank and foreign payments through the SWIFT network at Banco de la República de Colombia; delivered an Automated Clearing House for payments and checks at Banco de la República de Colombia; delivered a Domestic Payment Hub for Banco Internacional de Costa Rica in Panama; delivered a Domestic Payment Hub for Banco Industrial in Panama; participated in innovation labs to modernize legacy systems, contributing to product competitiveness; led code vulnerability scans of a key product using HP Fortify Static Code Analyzer, reporting security breaches, suggesting fixes and analyzing side-effects on ongoing projects.

Software Developer at Montran Corporation

December 31, 2014 - October 18, 2025

Refactored legacy software to optimize data processing, reducing elapsed time from 1 hour to 1 minute through Java development, database tuning and server optimization. Developed the first framework for a real-time dashboard using Java and JavaScript, which was adopted, extended and improved over time in several key products of the company. Contributed to adoption of Spring and ReactJS to architect the development of a new SaaS product. Participated in 3 delivery projects and supported 7 customers within strict SLAs.