Esteban Mayoral Poncelas

I led and supervised developers, ensuring efficient platform delivery. Collaborated with analysts to meet expectations. Advised on optimal technologies, conducted tests, and enforced security measures for a high-quality platform. Objective: excellent user experience and performance.

Worked on a loan management system, carrying out the analysis of all the necessary pieces, and developing it, within a platform that the client already had. At the same time, I’ve working on bugfixes found in the platform.

I led a team of three people in the maintenance and development of new features for a monitoring tool used by Banco Santander USA. Among my tasks were: - Review the quality of the delivered code. - Ensure with the Product Owners of the different integrations that all the requirements they were looking for were met correctly. - Assist the team in case of technical doubts.

I analyzed and implemented a SAML2-based Single Sign-On (SSO) system for a mobile app serving Bank Santander USA clients. Focus: user security, convenience, and protocol compliance. Collaborated with Santander's Product Owner and Architect, performing rigorous tests and seamless SSO integration. Aim: a secure and smooth login experience for Bank Santander USA customers.

I led a team of 4 people in the development of a portal for Bank Santander USA, which allows customers to check information about their vehicle loans.

I perform the technical requirements analysis and implementation of an asset-based loan request portal for Bank Santander USA.

Development from scratch of a platform for UNIR that allowed students to register and manage tuitions, as well as having integrations with different payment gateways. The development was carried out using Scrum methodology.

Maintenance and development of new functionalities of the pricing system for Telefónica.

I implemented a new functionality that allowed for printing tickets on multiple thermal printers simultaneously for a POS system for restaurants.