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Work Background
Kyan HealthSenior Full Stack Software Engineer
Mar. 2025 - Oct. 2025El Salvador
n1coTechnical Lead - po1nt Project
Jan. 2025
n1coStaff Backend Engineer
Dec. 2023 - Dec. 2024El SalvadorAs a Staff Engineer, I was responsible for leading the development of FinTech services from concept to deployment. These services supported the n1co App services, such as KYC, issuing digital cards, managing digital wallets, cashback, physical card issuing, customization, and delivering logistics. In this role, I learned how to manage complex projects and coordinate teams to deliver high-quality services within tight deadlines. I honed my technical skills by working with cutting-edge technologies and implementing innovative solutions to meet the unique needs of the FinTech industry. Moreover, I gained a deep understanding of the importance of security and compliance in the financial sector. I ensured that all services we developed were fully compliant with industry standards and regulations and that user data was kept safe and protected.
n1coStaff Backend Engineer - Fintech App Ecosystem
Dec. 2023 - Dec. 2024El SalvadorAs a Staff Engineer, I was responsible for leading the development of FinTech services from concept to deployment. These services supported the n1co App services, such as KYC, issuing digital cards, managing digital wallets, cashback, physical card issuing, customization, and delivering logistics. In this role, I learned how to manage complex projects and coordinate teams to deliver high-quality services within tight deadlines. I honed my technical skills by working with cutting-edge technologies and implementing innovative solutions to meet the unique needs of the FinTech industry. Moreover, I gained a deep understanding of the importance of security and compliance in the financial sector. I ensured that all services we developed were fully compliant with industry standards and regulations and that user data was kept safe and protected.
n1coSenior Backend Architect
Jan. 2022 - Nov. 2023El SalvadorAs a Backend Architect, I was responsible for leading the development of FinTech services from concept to deployment. These services supported the n1co App services, such as KYC, issuing digital cards, managing digital wallets, cashback, physical card issuing, customization, and delivering logistics. In this role, I learned how to manage complex projects and coordinate teams to deliver high-quality services within tight deadlines. I honed my technical skills by working with cutting-edge technologies and implementing innovative solutions to meet the unique needs of the FinTech industry. Moreover, I gained a deep understanding of the importance of security and compliance in the financial sector. I ensured that all services we developed were fully compliant with industry standards and regulations and that user data was kept safe and protected. Overall, my experience as a Backend Architect leading the development of FinTech services was incredibly rewarding and taught me invaluable skills that I continue to apply in my work today.
![Lead Software Engineer [Market Integrations]](https://d1cg29ukvkl76a.cloudfront.net/media_files/publicmedia/39be560d4d21a55abcdd542ae2e3aa3e095ab1a606aab408727c302795d45bd8/profile_search-233785_experience_logo.jpg){kind=logo}
hugoLead Software Engineer [Market Integrations]
Jan. 2021 - Dec. 2022El SalvadorAs a Lead Software Engineer in my previous job, I was responsible for building the supermarket product inside the hugo app. One of my major responsibilities was to implement the integrations with external market providers. It was a challenging task, but I learned a lot from it. I had to work closely with the development team and ensure that the integrations were seamless. It was a great experience, and I am glad that I was part of such an amazing project. The end product was a success, and I am proud of the work I did as a Lead Software Engineer.
![Senior Backend Engineer [Payments Services]](https://d1cg29ukvkl76a.cloudfront.net/media_files/publicmedia/20cbdb053db53a863b342eb1bca7eaaefeb65ee1cbd557d314f223ddf1ac527f/profile_search-233785_experience_logo.jpg){kind=logo}
hugoSenior Backend Engineer [Payments Services]
Aug. 2019 - Jun. 2020San Salvador, El SalvadorAs a Senior Backend Engineer, my experience designing, developing, and leveraging a team to build Payments Gateway Services has been both challenging and rewarding. Our team has worked with multiple payment gateway providers like Stripe, Ficohsa, Serfinsa, Payway, and more, to create a simple, secure, and beautiful API that is scalable for both internal and external clients. It has been a pleasure to be a part of this project and to see how our hard work has positively impacted our clients and their customers.
NicetechSenior Software Architect in Mobile Payment and Wallet Ecosystem
Jan. 2018 - Dec. 2019GuatemalaDuring my time as a Senior Software Architect, I had the opportunity to design and build a Mobile Digital Wallet and Payment system. It was a challenging project, but also incredibly rewarding to see the final product in action. Achievements - Robust Digital Wallet backend and services - Distributed Mobile App deployment system to update hundreds of phones on the fly. - Mobile App for merchants to receive payments - Custom Rule system to configure many different commercial venues. Technologies - Clean Architecture - REST API and GraphQL - Azure Service Bus as async messaging system - LLBLGen as ORM - MongoDB - SQLServer - JavaScript and React for UI - Native Java Android development - TDD and Clean Architecture One of the key aspects of the system was making sure it was user-friendly and intuitive to use. We wanted to create a seamless experience for users (both commercials, final users, admin, and finance), allowing them to easily add and manage their payment methods, make purchases, and view their transaction history. To achieve this, I worked closely with the development team to ensure that the system was designed with the end-user in mind. We focused on creating a clean and simple interface that would be easy for anyone to use, regardless of their technical expertise. Another important aspect of the project was ensuring that the system was secure and reliable. We implemented a number of measures to protect user data and prevent any unauthorized access to the system. This included strong encryption for all sensitive data, as well as regular security audits to identify and address any potential vulnerabilities. Overall, I'm proud of the work we did on the Mobile Digital Wallet and Payment system. It was a challenging project that required a lot of hard work and dedication, but in the end, we were able to deliver a high-quality product that met the needs of our users and exceeded their expectations.
NicetechEngineering Manager in Telecommunication Projects
Jan. 2017 - Dec. 2018GuatemalaAs an Engineering Manager in Telecommunication Customer projects, my role was to oversee the technical aspects of customer projects. I was responsible for ensuring that the projects were completed on time, within budget, and to the satisfaction of the customer. This involved working closely with the project team to design and implement solutions that met the customer's requirements. Achievements - Mastering Jira, Confluence, Bitbucket - Manage a medium-sized team that delivers many projects each month One of the biggest challenges I faced in this role was balancing the technical requirements of the project with the needs of the customer. Often, customers would have specific requirements that were difficult to implement using existing technologies. In these cases, I would work with the project team to develop custom solutions that met the customer's needs while still being technically feasible. Another important aspect of my role was managing the project budget. This involved tracking expenses, identifying cost savings opportunities, and working with the project team to ensure that we were staying within our budget constraints. Overall, my time as an Engineering Manager was both challenging and rewarding. I enjoyed working with the project team to develop innovative solutions that met the needs of our customers, and I learned a lot about project management and technical leadership along the way.
NicetechLead Full Stack Engineer in Telecommunications Projects
Jan. 2015 - Dec. 2017GuatemalaI had the opportunity to work as a Senior Full Stack Developer on several projects for one of the biggest Telecommunications Company customers in Guatemala (Tigo). It was a challenging and exciting experience that allowed me to grow professionally and personally. Achievements - Led the Design and Development of the public Website, Ecommerce, and Customer Portal. - Microsoft Surface Portal for Customer Experience - Big LED touchscreen software for Customer dashboard experience. - Android App for Resellers to provision and sell new phone lines and chips. - Sync software to keep updated digital TV content menus for all Telco customers. - Efficiently led a team that produced many projects per month. Technologies - Java - C++ - C# - Drupal - REST - PHP - NodeJS - Android My main responsibilities included developing and maintaining complex web applications using a variety of programming languages and frameworks. I also had to work closely with other team members to ensure that all projects were delivered on time and according to the customer's requirements. One of the most memorable projects I worked on was developing a new billing system for the Telecommunications Company. This was a critical project that required much attention to detail and collaboration with other departments within the company. We utilized the latest technologies to ensure the system was efficient and user-friendly.
NicetechSenior Software Engineer in Ticketing
May. 2014 - Jan. 2015GuatemalaAs a Senior Software Engineer for a Ticketing System, I was responsible for designing and developing software solutions that streamlined the process of ticketing for customers. I worked closely with a team of developers to ensure that the system was reliable, efficient, and scalable. This involved analyzing user requirements, developing software specifications, and implementing new features and improvements. Additionally, I was responsible for troubleshooting and resolving any issues that arose with the system, as well as providing technical support to customers and internal teams. Overall, my role as a Senior Software Engineer was critical to ensuring the success of the Ticketing System, and I am proud to have played a part in its development and ongoing maintenance.
CertifirmasCo-Founder and Chief Technology Officer (CTO)
Jan. 2012 - Aug. 2016GuatemalaAs Chief Technology Officer at Certifirmas, I was responsible for overseeing the development and implementation of the company's technology solutions. One of our key offerings was digital certificates for electronic signatures of digital documents such as invoices and contracts. I worked closely with the development team to ensure that our technology was reliable, secure, and user-friendly. Additionally, I collaborated with other departments to ensure that our technology solutions aligned with our overall business strategy. It was a challenging but rewarding experience, and I'm proud of the work we accomplished at Certifirmas.
Fegora FELCo-Founder and Software Architect
Aug. 2011GuatemalaAs a Senior Software Architect at this company, I have the opportunity to work on cutting-edge digital invoicing services that connect companies' own software to the Superintendency of Tax Administration. I am responsible for developing and implementing the software architecture for these services, ensuring that they are scalable, reliable, and easy to use. I work closely with the development team to ensure that our software meets the needs of our clients and is in compliance with all relevant regulations and standards. This is a challenging and rewarding role, and I am proud to be a part of a company that is leading the way in digital invoicing services.
Spanish Ministry of Economic Affairs and Digital TransformationSenior Software Engineer Consultant
Jun. 2011 - Aug. 2011SpainAs a former external consultant of the Spanish Ministry of Economic Affairs and Digital Transformation, I had the pleasure of participating in a role that involved coding custom LLBLGen Pro templates to generate custom Web UI based on the Model and UI configurations. These templates were released as open source, allowing others to benefit from them. It was a challenging yet fulfilling project, and I gained valuable experience in both coding generation templates and collaborating with others across the sea. Overall, I am proud of the contributions I made to this project and the impact it had on the community.
TodoticketGeneral Manager in Costa Rica
Jan. 2009 - Dec. 2011San Jose, Costa RicaAs a General Manager for a ticketing company in Costa Rica, my main responsibility was to oversee the sales of thousands of tickets through our digital platform and on-site sale points. It was crucial that I ensured the company's earnings were constantly increasing, which required me to closely monitor our sales performance and identify areas for improvement. I worked closely with entertainment event producers to ensure their events were successfully promoted and marketed through our ticketing platform. This involved developing strong partnerships with key stakeholders in the industry and staying up-to-date with the latest trends and technologies in event ticketing. In addition to managing our sales operations, I was also responsible for overseeing the day-to-day operations of the business, including managing our team of employees and ensuring that our customers received the highest level of service possible. Overall, my role as a General Manager in Costa Rica was both challenging and rewarding. I was able to apply my skills and experience in sales and business management to help drive the success of our ticketing company and contribute to the growth of the entertainment industry in the region.
TodoticketCountry Launch Manager in Dominican Republic
Jan. 2008 - Dec. 2009Dominican RepublicAs the Country Launch Manager for Todoticket in the Dominican Republic, my primary responsibility was spearheading all operations, including forming alliances, launching the hiring process, setting up technology, and developing marketing and sales strategies for the Ticketing System. My ultimate objective was to prepare the company for a successful launch in the country. After the launch, I was responsible for remotely overseeing its performance for a certain period of time to ensure its continued success. My expertise and commitment to excellence guided the team to achieve their goals and thrive in the Dominican Republic market.
TodoticketSenior Software Engineer
Dec. 2007 - Feb. 2011GuatemalaAchievements - Improve and enhance the Ticketing System Core - Develop third-party integrations - Design and build a Grocery Sales system for Tihany Circus. - Develop the Test suite in Ruby and Selenium As a Senior Software Engineer, I was responsible for developing and enhancing the Ticketing system of https://www.todoticket.com/ . My role involved creating new features, improving existing ones, and ensuring smooth and efficient performance of the platform. I worked with a team of developers to analyze user requirements and design solutions that meet their needs. Additionally, I collaborated with other departments to ensure that the Ticketing system integrates seamlessly with other systems and processes. My goal was to provide a user-friendly and reliable platform that enables customers to purchase tickets easily and efficiently.
Banco Promerica GuatemalaFull Stack Developer
Apr. 2007 - Mar. 2008GuatemalaAs a Backend Developer at Banco Promerica de Guatemala, my main responsibility was to design, develop, and maintain the bank's server-side software. I worked closely with the front-end development team and other stakeholders to ensure that the software is robust, scalable, and secure. I gained experience in Oracle, Oracle Forms, C#, .NET, Asterix among other bank technologies. Additionally, I had experience with serverless architectures, microservices, and other modern development paradigms. I worked to ensure that the bank's systems are always up-to-date, secure, and efficient. Projects - ATM backend services - New "Deposit" on ATM feature - New Self-service account creation Website - ETL and other data transformations - Business Inteligence reports using Microsoft Reporting Services. Technologies - Oracle - Oracle Forms - C# - .NET - Asterixk PBX configuration and deployment
Solutions Design bvLLBLGen Pro Customer Support Engineer
Jan. 2007 - Jul. 2022The Hague Area, NetherlandsDuring my time as a Customer Support Engineer, I had the opportunity to work with a diverse range of developers/clients, helping them with their technical issues and ensuring their satisfaction with the OR/m tools. My tasks included troubleshooting, analyzing customer feedback, and providing personalized solutions to each client. I also contribute to the documentation, coding examples, and some development to improve the tool. I gained valuable experience in communicating complex technical information clearly and concisely and handling difficult customer situations with empathy and professionalism. Achievements - Technical Customer Support for 15 years - LLBLGen custom UI generation templates - LLBLGen Auditing examples - LLBLGen Designer Visual Studio Add-On - ORM Profiler Technologies - Customer Support - ORM Tools - NHibernate - Entity Framework - Entity Framework (EF) Core - LLBLGen Pro - Firebird - IBM Db2 - LINQ to SQL - MongoDB - Azure Cosmos DB - Code Generation - Profiler - MySQL - PostgreSQL - Oracle Overall, my time as a Customer Support Engineer was both challenging and rewarding, and I am grateful for the skills and knowledge I gained from this role. I also have the privilege to work for Frans Bouma, which I consider a knowledgeable and professional developer with genius ideas and excellent coding skills.
Forja, S.A.Lead Software Engineer
Jan. 2004 - Mar. 2007GuatemalaDuring my time at Forja, S.A. as a Lead Software Manager, I was responsible for leading a team that developed a system that would receive money transfers from the USA and deliver them to various banks in Central America. Achievements - Transactional Software that processes money transfers between countries. - Software that prints and debits/charges prepaid cards Technologies - C# - Visual Studio - SQLServer - Microsoft MSMQ - LLBLGen Pro as ORM It was a challenging yet rewarding job as it required me to stay up-to-date with the latest technologies and constantly improve the system to ensure it was efficient and secure. I worked closely with my team to make sure that all aspects of the system were functioning smoothly and effectively. Overall, it was a great experience that taught me a lot about software development and working in a fast-paced environment.
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