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About Me
Software Developer
Computer and Systems Engineer who has developed skills and experience in the area of database and web development working around SCRUM, through university education developing Backend with C#, .NET Core, PHP and NodeJS and Frontend with Angular, React, Ionic TypScript and JavaScript based on UI/UX designs and cross-functional teams.
Experience gained in databases through the use of MySQL, MongoDB, DynamoDB and Database as a Service with Firebase. AI integrations to different systems. Integration of AWS Cloud Services with web applications using services such as CloudFormation, Lambda, Secrets Manager, AWS CDK for IaC and more. Version Control System with Git using Github.
Let’s Work Together
I am available for freelance hire. Let's bring your ideas to life with professional development and creative solutions.
My Experience
Typescript / AWS Developer Engineer
Telus Digital
Aug. 2023 - Present
Integration of backend services for IoT devices for frontend with effective communication with team members and other cross-functional teams using AWS Cloud Services and Typescript. Optimization and development of clean code. High and low level design of solutions of new integrations and microservices. Build the code base for an entire microservice. Lead a team, design and development of a project and mentor team members. Use IaC to define cloud resources to be used in an architecture.
Independent Software Developer
Independent/Contractor
Dic. 2021 - Present
Delivered real-time web/mobile products using Angular + Node.js WebSockets (Socket.IO), AWS Cognito, and AWS Bedrock Nova Sonic (v1/v2) for sub-1s speech-to-speech medical simulations. Built offline-ready CMS and CRM AI powered platform (Ionic/Firebase, React/MUI) with clean REST APIs, AI-driven lead insights, and event-driven patterns. Developed custom WordPress plugins with automated e-commerce catalog sync (~80% faster loads), and applied Hexagonal Architecture to improve maintainability and test coverage.
Front Developer
BOWPI
Oct. 2021 - Aug. 2023
Maintenance, improvement, optimization and development of code and new requirements and components of web systems with Angular and mobile apps with Ionic. Build of in-house components library for reusable and clean code. Projects: Credit Card customer service Portal, Self-service loans system, Bank customer service system.
Full Stack Developer
BlueDevs
Oct. 2020 - Oct. 2021
Development of medical records system with Angular, static sites with pure HTML, PHP and Web API's with ASP.NET and NodeJS. E-Commerce development with credit card payments integration and automatic batch load of products.
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My Skills
Testimonials
I have had the opportunity to work on several projects with Mario, in which he has always shown great motivation to achieve the objectives set by performing quality work accompanied by timely communication and attention to detail. I have been able to verify his commitment not only with the assigned tasks but with each project in which he has participated, always looking to contribute more by providing optimal and maintainable solutions.
Jonathan García
Software Delivery Manager @Telus DigitalI have the pleasure of working with Mario for over seven years, and the deep technical expertise and leadership has delivered exceptional results. His ability to solve complex problems, design solutions, mentor others and collaborate effectively makes him an invaluable asset.
Mario Gómez
Data Engineer Lead @Hotels at HomeA software engineer who is passionate to learn new things and technologies, ready for new challenges because learning never ends.
Very careful to details to provide an optimal solution or service.
Recommended for any type of project.
Marcos Calderón
Tech Lead | Angular | Node | Typescript | C# | PostgreSQL @PDC LatinoaméricaI have the privilege of working closely with Mario, and his dedication to excellence and ability to guide teams through the projects makes him an outstanding software developer.
José Tejeda
Data Engineer @Banco Industrial GuatemalaMario is a very integrated, high performance person who works long hours to achieve a quality project.
He is always courteous and punctual with his commitments.
I would hire him again for future fullstack projects without hesitation.
