Designed and implemented services for secure and compliant international payment processing. ● Engineered a Mobile App utilizing Flutter, empowering users to track invoices and receive timely payment notifications. ● Enhanced CI/CD pipelines, reducing execution time from 60 minutes to a mere 15 minutes through performance analysis and optimizations. ● Elevated code quality by writing comprehensive automated unit, integration, and end-to-end tests, increasing code with odejs coverage from 10% to an impressive 75%. ● Implemented sophisticated business logic using Temporal.io, orchestrating fault-tolerant asynchronous workflows for streamlined operations.

Developed a contractor management System for Pattern Jobs ● Designed and implemented API endpoints consumed by Admin Internal Apps and Mobile Apps for contractors ● Maintain and improve a Contractor Payroll App used to pay an average of 1000 contractors per day. It featured multiple Third Party Integrations to enable real time payments and usage analytics using NOdejs

Developed the main billing software to be used by 96+ Gas stations. Lead the creation of the Software Development Department in the company. Currently leading a 4 members team. ● Crafted an Electronic Invoice Software handling 600,000+ monthly invoices, compliant with Guatemala's Tax Authorities. Empowered users with report visualization, legal setting customization, and inventory management. Utilized React, Node.js, SQL Server for the web app, with React Native for 1000+ POS handheld devices. ● Crafted a Payroll Software managing payments for 1,000+ employees, ensuring legal compliance. Automated commissions calculation based on billing software invoices, cutting time and errors by 75%