Jonathan Alvarado
Innovative developer combining technical expertise in modern web technologies with AI training experience. Passionate about building scalable solutions and optimizing AI systems for better user experiences.
About Me
I'm an innovative Full Stack Developer with recent experience in AI training and LLM optimization. My journey combines deep technical expertise in modern web technologies with sharp analytical skills for improving AI systems.
I specialize in building scalable platforms using Node.js, Nest.js, React.js and Next.js, while also contributing to the advancement of AI systems through data-driven approaches.
I'm passionate about solving complex problems through both code and data-driven approaches, always seeking to bridge technical solutions with human needs.
Enhanced Efficiency
Delivered faster backend solutions for Babypage using Laravel
LLM Optimization
Improved AI response accuracy through systematic evaluation
System Reliability
Reduced system downtime at National Center for Information Technologies
User Experience
Boosted coupon usage at Ridery through improved management system
Technical Skills
A comprehensive toolkit spanning modern web technologies, AI systems, and cloud infrastructure
Frontend Development
Backend Development
Infrastructure
AI/ML
UI/UX & 3D
Full Stack
Professional Experience
AI Training Specialist
ContractLLM response optimization and code quality assurance for AI systems
Evaluated 50+ LLM-generated conversation trees, selecting optimal responses based on technical accuracy
Improved LLM alignment with developer best practices through systematic feedback
Created training datasets to enhance context-aware AI solutions
Audited LLM-generated code against requirements and test cases
Implemented immediate improvements for cases with minor fixes
Developed evaluation frameworks that reduced future error rates
Full Stack Developer
Full-timeScalable backend solutions, admin tools, and platform optimization
Developed Laravel backend for Babypage, enhancing scalability with AWS S3 integration
Built Angular admin panels and implemented AWS Amplify/Cognito for secure authentication
Created 3D visualizations using Three.js for FIT:MATCH PCD data
Optimized SOLD.com's platform using React/Next.js and Node.js/Nest.js
Full Stack Developer
ContractCoupon system optimization and platform redesign
Increased coupon usage rates through management system overhaul
Redesigned platforms for intuitive UX using Node.js backend
Implemented user-friendly interfaces that improved engagement
Tech Leader
Full-timeP2P food platform development
Led development of DKP platform (Angular/Ionic) connecting local kitchens with customers
Built scalable Node.js architecture with multi-API integration
Coordinated team development and project delivery
Developer
Full-timeCritical system maintenance for government portals
Reduced system downtime through proactive maintenance
Maintained critical government information systems
Ensured high availability and reliability of public services
Education
Associate Degree in Systems Analysis and Design
Comprehensive program covering system design, database management, software development methodologies, and project management.
Key Focus Areas:
Computer Science & IT (Software Technician)
Technical program focused on practical software development skills and computer systems.
Key Focus Areas:
Continuous Learning
Beyond formal education, I'm committed to staying current with emerging technologies and industry best practices through continuous self-learning, online courses, and hands-on project experience.
Get In Touch
Ready to work together? I'd love to hear about your project and discuss how I can help bring your ideas to life.
Let's Connect
Whether you have a project in mind, want to collaborate, or just want to say hello, I'm always excited to connect with fellow developers and potential clients.
© 2025 Jonathan Alvarado. Full Stack Developer & AI Trainer.