Designed, developed, and continuously improved features and components for full-stack web applications. Implemented and maintained end-to-end frontend and backend workflows, ensuring proper integration between system layers. Integrated services, APIs, and databases to support internal processes and user-facing applications. Used cloud services (AWS) for application deployment, configuration, and operational support. Provided technical documentation, ongoing maintenance, and evolutionary support of software solutions. Executed testing, bug fixing, and technical adjustments focused on application stability, performance, and quality. Provided technical coordination and mentoring of temporary developers or external collaborators, ensuring best practices and technical continuity.

Full Stack JavaScript Engineer at PragmaticDLT, a US custom software development agency that specializes in AI and Blockchain technologies. Front-end Development: Created and assisted in developing user interfaces and client-side functionality using HTML, CSS, TailwindCSS, JavaScript, React, NextJS, and Expo for web and mobile applications. Back-end Development: Worked on implementing server-side logic and database interactions using programming languages like NodeJS and ORMs like Prisma. Basic Database Management: Created and managed databases, performed basic queries, and handled data manipulation for all web and mobile applications in databases like MySQL and PostgreSQL. Web Application Development: Contributed to the development of web applications and assisted in debugging and testing. Version Control: Utilized version control systems like Git to manage code changes and collaborate with other developers. Code Reviews: Participated in code reviews, learned from feedback provided by senior developers, and provided feedback on other developers' code reviews. Application Deployment: Supported the deployment of web applications to development and staging environments. Integrated AI capabilities (ChatGPT, Claude, Gemini, Whisper, ElevenLabs, AssemblyAI) and vector storage solutions (Pinecone) into client applications. Key Projects: Eplex AI: Led end-to-end development of a Gmail add-on and admin platform using Next.js, NestJS, and Prisma. Deployed to Google Cloud Run with custom Presidio Analyzer implementation for PII detection using Transformers. Managed Google Marketplace compliance and domain verification. AI Sales Coach: Developed a voice-powered sales training platform with real-time conversation analysis. Integrated ElevenLabs (TTS), AssemblyAI (STT), and LangChain with Claude/GPT for AI-driven coaching. Built Python microservice for performance classification and scoring pipeline. Curio: Contributed to a React Native mental health application with an external development team. Implemented AI integrations, Pinecone vector storage for user data, and a background fetch system for personalized health notifications based on periodic data processing. Wisebird: Built a conversational AI platform for elderly users to find healthcare and recreational services. Integrated multiple APIs (Google Maps, Eldercare Locator, Data.CMS) with session management and favorite results storage for improved accessibility.

Full-Stack Developer Intern at Code Labs, a Colombian custom software development startup. Developed website components made with JavaScript or TypeScript in frameworks such as React or Astro that meet quality standards and adjust to different computer screens. Performed front-end development in designing landing pages or components for sites or web applications in a production environment, through tools such as Figma, with follow-ups on platforms such as Monday or Jira. Created interactive interfaces together with other Front-End developers that meet speed, fluidity, and scalability requirements. Performed front-end development in editing styles of web components that require changes in programming languages such as CSS and frameworks such as Tailwind CSS. Performed back-end development using languages that use JavaScript such as Node.js to implement functions through APIs that allow consuming its services from the front end using React or Astro, contributing to the quality of the product. Identified bugs and errors in active projects in the testing environment to ensure the quality of the project. Worked with different teams of developers and designers for project monitoring and improvements, through tools like Jira. Achievements: Participated in a web development project and landing pages for Novaventa, a leading home products company, and as data entry in a contest with a MySQL database. Participated as a QA tester for the Code Labs website, improving the user experience, responsiveness, and loading speed. Participated in a full-stack web development project of a dashboard for a veterinary company, developing components for the front end, ensuring well-structured requests with the back end through APIs, and maintaining aspects such as good loading speed and responsiveness. Performed as QA tester and validator of SSL certificates for Davivienda pages, improving user experience and responsiveness.