Luis Arias

Senior Full-Stack Engineer with extensive experience designing and developing scalable web applications, backend services, modern frontend interfaces, and responsive HTML email solutions. Strong expertise in Node.js, NestJS, React, JavaScript, HTML, CSS, .NET, Python, MongoDB, PostgreSQL, and cloud technologies. Experienced in software architecture, distributed systems, frontend development, process automation, and engineering best practices.

Recognized for designing maintainable solutions, improving engineering processes, and delivering high-quality software aligned with business goals.

Senior Backend Engineer at Gamanza Costa Rica (2020-02 – 2026-01)

• Designed scalable backend architectures and internal information structures.
• Led technical decision-making for software architecture, ensuring scalability, maintainability, and performance across core systems.
• Reviewed and approved pull requests, enforcing coding standards, best practices, and high-quality engineering output.
• Mentored and guided junior and mid-level developers, supporting their technical growth and onboarding.
• Automated administrative workflows and repetitive operational tasks.
• Implemented integrations that reduced manual work by 80%.
• Built and maintained REST APIs and distributed backend services.
• Created high-performance and resilient core services for the platform.
• Technologies: Node.js, NestJS, TypeScript, MongoDB, PostgreSQL, Redis, RabbitMQ, Docker, CI/CD, Cursor.

Full Stack Developer (Freelance) at Techoryze (2021-03 – 2021-10)

• Designed and developed the Techoryze Help Desk platform.
• Built scalable backend services and reporting capabilities.
• Developed responsive frontend interfaces using HTML, JavaScript, and React.
• Created responsive HTML email templates compatible with major email clients.
• Optimized system reliability and application performance.
• Technologies: Node.js, NestJS, TypeScript, React, JavaScript, HTML, CSS, MongoDB, PostgreSQL, Docker.

Senior.NET Backend Developer at Creative Drive (2018-02 – 2020-01)

• Modernized governmental platforms for PROCOMER.
• Improved SQL Server data organization and retrieval.
• Developed frontend features using HTML, JavaScript, and Angular.
• Built responsive HTML email templates for enterprise applications.
• Created the backend HTML email rendering engine using Scriban and C#.
• Optimized backend services and database performance.
• Technologies: C#, SQL Server, Angular, JavaScript, HTML, CSS, XML, MVC.NET, AppFabric.

Senior Software Engineer / Software Architect at Corporación BCT S.A. (2008-07 – 2018-10)

• Maintained and evolved the Enl@ce Online Banking platform.
• Optimized FE layout and rendering performance, reducing load and rendering times by 80%.
• Developed and maintained frontend features using HTML, JavaScript, jQuery, and MVC.NET.
• Built responsive HTML email templates for customer communications and marketing campaigns.
• Implemented SAP driver improving application performance and reducing processing time by 60%.
• Supported continuous integration and software modernization initiatives.
• Technologies: C#, VB.NET, SQL Server, JavaScript, HTML, CSS, jQuery, MVC.NET, XML.

Software Developer at Sysde Costa Rica (2007-08 – 2008-07)

• Executed CRM data migration and cleansing projects.
• Automated customer data validation processes.
• Supported enterprise marketing platforms.
• Technologies: C#, VB.NET, SQL Server, ASP.NET, JavaScript.

Diploma in Computer Science – Universidad Estatal a Distancia (UNED) (2028)

Systems Engineering in Systems Engineering – Universidad Nacional de Costa Rica (2004-02 – 2008-06)