j
jayarbrul

Amador J

@jayarbrul

AI and Machine Learning Engineer

Philippines
English, Tagalog
About me
Highly skilled software developer with expertise in a broad range of technologies, including web development, mobile development, and back-end systems. Passionate about building efficient, scalable applications using HTML, CSS, JavaScript, Python, TypeScript, and modern frameworks such as React, Vue, and Angular. Experienced in working with relational and NoSQL databases like MySQL, MongoDB, and PostgreSQL.... Read more

Skills

j
jayarbrul
Amador J
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build scalable backend apis using node js python and AWS
Serverless Computing
I will deploy your web app on AWS ec2 docker nginx and SSL

Portfolio

Work experience

Freelancer.com

Freelancer.com

Full-time • 4 yrs 7 mos

PredictionHealth

Oct 2022 - Jan 20263 yrs 3 mos

• Fine-tuned open-source LLMs (LLaMA, Mistral) using HuggingFace and LangChain, improving clinical decision-support accuracy by ~12%. • Built retrieval-augmented generation (RAG) systems with Azure AI Search and Pinecone, achieving 25% higher precision on clinical knowledge queries. • Developed multimodal GenAI prototypes combining text, speech, and emotion signals for clinician-facing tools. • Benchmarked proprietary LLMs against fine-tuned open-source models, contributing to cost/performance analyses influencing $1M+ annual vendor decisions. • Deployed low-latency inference pipelines across Azure AI, AWS SageMaker, and GCP Vertex AI, reducing response time by ~40%. • Designed and maintained FastAPI and gRPC services to integrate AI recommendations into clinical systems serving 10K+ daily users. • Optimized distributed training using Ray and GPU acceleration, cutting training time by ~30%. • Implemented MLOps workflows (CI/CD, MLflow, monitoring) to ensure reproducibility, observability, and compliance with healthcare regulations. • Mentored junior engineers and supported cross-timezone Agile teams, improving delivery consistency and team output.

Fullstack Developer

Feb 2021 - Jun 20221 yr 4 mos

Developed and launched mobile applications using React Native and Expo, integrating features such as Stripe payments, Push Notifications, and Google Maps. Improved web performance by using Next.js with SSR and SSG, achieving faster load times and better SEO. Implemented effective state management with Redux Toolkit, React Query, and Apollo Client. Built and deployed microservices using Docker, and hosted applications on AWS, Netlify, and Google Cloud to ensure scalability and high availability.