Jefferson López Porras Email & Phone Number

Cartago, Cr

Costa Rica

Technical Lead:Full-Stack DevelopmentDesigned and developed scalable, high-performance applications using Python, React, Vue.js, and Node.js, delivering modern, responsive systems that enhanced user experience and efficiency.Quality & EfficiencyImproved system reliability, reducing production errors by 20% through clean code practices, code reviews, and continuous improvement initiatives.Innovation & Problem SolvingCreated RESTful APIs and GraphQL interfaces, optimizing data exchange, improving customer retention, and streamlining workflows to solve complex business challenges.Project LeadershipManaged Agile projects, leading cross-functional teams to meet deadlines and exceed client expectations. Mentored junior developers, fostering collaboration and technical growth.CI/CD OptimizationEnhanced CI/CD pipelines, cutting deployment times by 30% and integrating automated testing for faster, more reliable releases and improved code quality.Backend PerformanceBoosted backend efficiency with Redis and RabbitMQ, enabling high-throughput processing and reducing system latency, ensuring scalability for growing user demands.Security & AuthenticationImplemented Amazon Cognito for secure identity management, safeguarding data and enhancing user authentication.Database OptimizationOptimized SQL Server queries, achieving a 25% performance improvement, supporting application scalability and speed.SaaS Platform DevelopmentRedesigned architecture for a multi-tenant SaaS platform, ensuring scalability, security, and efficiency while aligning technical and business goals.CollaborationAligned technical solutions with business objectives through effective stakeholder collaboration and architecture discussions, building systems for long-term success.

Costa Rica

Medical System: Contributed as a full-stack developer to enhance a medical management system. Developed custom Excel report generation tools, streamlining data analysis for healthcare professionals. Automated email notifications to improve communication efficiency. Collaborated with team members to deliver features that optimized system usability and addressed user requirements.Educational Projects: Led the creation of a new project using Angular 15 for an educational platform. Conducted in-depth analysis of the legacy system to understand existing functionality and ensure seamless integration with the new solution. Designed a scalable architecture with modern development practices, resulting in an efficient and maintainable system aligned with the organization’s goals.Legacy System: Revitalized an Ionic-based legacy system by implementing new functionalities that addressed evolving user needs. Delivered solutions that enhanced system capabilities while maintaining codebase stability and adhering to best practices for legacy systems.This internship provided hands-on experience in building and maintaining robust, user-centered applications. It honed my skills in analyzing legacy systems, designing scalable architectures, and delivering impactful features. Additionally, it strengthened my ability to collaborate with diverse teams, adapt to different technologies, and implement solutions that align with business objectives.

Developed a platform that allows gym owners to manage clients, bookings, routines, and accounting from a single interface. With over 1,000 downloads, this solution provides easy access to information and enhances operational efficiency. Technologies: Node.js, Vue.js, MongoDB, Flutter

Costa Rica

Flutter - Nodejs - MongoDB - VuejsWeb and mobile application developed for a shoe store system in which inventory is managed and general information is displayed.