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JavaScript Node.js PHP Python Software Architecture
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Juan F.

@juanpablomacf

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5.0
12

5.7

5.7

100%

AI/ML/LLM/RAG & Automation AIVoice Chat | Web, n8n

$50 USD / Hour

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Chile (4:41 PM)

Joined on January 28, 2026

1 Recommendation

$50 USD / Hour

I transform complex business challenges into scalable AI solutions that deliver measurable results. With over a decade of experience in both full-stack development and AI implementation, I bridge the gap between ambitious ideas and production-ready systems. 🏆 Proven Impact Across Industries FinTech: Built trading dashboards processing 50,000+ daily transactions with real-time analytics MedTech: Developed AI diagnostic assistants that reduced analysis time by 65% LegalTech: Implemented RAG systems that cut legal research from hours to minutes SaaS: Scaled platforms from MVP to 100,000+ users with integrated AI capabilities 🔧 Technical Expertise AI & Machine Learning AI Agent Systems: Multi-step reasoning and workflow orchestration RAG Pipelines: LangChain, LlamaIndex, Pinecone, ChromaDB (95%+ retrieval accuracy) LLM Integrations: GPT-4, Claude 3, LLaMA fine-tuning and optimization Voice AI: Twilio integration and real-time call processing Full-Stack Development Frontend: React/Next.js, TypeScript Backend: Node.js, Python, FastAPI DevOps: AWS, Docker, Kubernetes, CI/CD pipelines Automation: n8n workflows, custom API integrations 🚀 Recent Deliverables • AI Customer Support: Reduced ticket volume by 75% with bots handling 15,000+ monthly conversations • Document Intelligence: Built legal document analysis that cut review time from 4 hours to 15 minutes • Trading Analytics: Delivered real-time dashboards with 99.9% uptime for financial clients • Workflow Automation: Saved 200+ manual hours monthly through n8n-powered processes 🎯 My Approach Strategy & Planning Technical feasibility analysis and ROI-focused project scoping Scalable architecture design for long-term growth Execution & Delivery AI-enhanced development using Cursor and Copilot Agile methodology with transparent weekly progress updates Comprehensive testing and quality assurance Production Excellence Robust monitoring, logging, and error handling Performance optimization and thorough documentation 📈 Why Choose Senior Expertise? I architect systems that scale, implementing proper error handling, security protocols, and maintainable codebases. My clients avoid technical debt while accelerating their AI roadmap with production-ready solutions. I'm available for full-time engagements and ready to discuss how I can help bring your AI vision to life.

Verifications

On time

100%

On budget

100%

Accept rate

81%

Repeat hire rate

4%

Portfolio

Portfolio

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5.0 · 12 Reviews
12 Reviews
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Juan Carlos L.

5.0

€150 EUR

2 minutes ago

Depuración MAUI con Azure Realm

Un programador de confianza. Ayuda y explica todo con mucho detalle. Totalmente recomendable.

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Carlos D.

5.0

$200 USD

9 days ago

Whatsapp bot: Backend y Cloud (senior)

Juan Pablo hizo un excelente trabajo. Fue muy profesional, atento a los detalles y mantuvo una comunicación clara durante todo el proceso. Cumplió con lo acordado y demostró mucha disposición para resolver cualquier ajuste. Lo recomiendo totalmente y volvería a trabajar con él.

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Fidel P.

5.0

$1,125 USD

22 days ago

Bot Android Autoaceptación Entregas

Muy buen trabajo . Agredecido

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Wagner E.

5.0

$1,140 USD

24 days ago

Desenvolvimento de Plataforma Logística Personalizada

Excellent developer, highly professional, reliable, and always willing to help. Throughout the project, he was responsive, proactive, and committed to finding the best solutions. Software development requires continuous testing and improvements, and he handled every challenge with dedication and responsibility. The platform and APK were delivered with excellent quality. He is the kind of developer you can trust, and someone I will definitely work with again in the future. Highly recommended.

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Mr Press R.

5.0

$250 USD

1 month ago

Award Force Setup and Confirguration

Excellent Work!!!!! (-:

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Experience

Senior Software engineerav

May, 2021 - Feb, 2026

4 years, 9 months

Stratech Corp

May, 2021 - Feb, 2026

4 years, 9 months

• Designed and developed machine learning models using Python (scikit-learn, TensorFlow, PyTorch) to support predictive analytics and automation initiatives • Engineered scalable data pipelines using Python and FastAPI, enabling efficient data ingestion, preprocessing, and feature engineering • Deployed and managed production-grade ML models using FastAPI, AWS, and Azure, supporting both real-time and batch inference

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Snatiago, Chile

May, 2021 - Feb, 2026

4 years, 9 months

Senior Full Stack Engineer

Mar, 2016 - May, 2021

5 years, 2 months

artool

Mar, 2016 - May, 2021

5 years, 2 months

• Developed and maintained scalable backend services using Node.js, Python (Django, FastAPI), PHP, and Golang • Designed and implemented RESTful APIs to support frontend applications and third-party integrations • Built responsive and dynamic frontend applications using React, Angular, JavaScript, HTML, and CSS • Designed and optimized databases including PostgreSQL, MySQL, and MongoDB • Integrated third-party APIs and external services to enhance application capabilities

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santiago, Chile

Mar, 2016 - May, 2021

5 years, 2 months

Full Stack Developer

Feb, 2014 - Feb, 2016

2 years

Neotel

Feb, 2014 - Feb, 2016

2 years

• Developed full stack web applications using React, Angular, Node.js, and Python-based services • Built reusable and maintainable frontend components with a focus on performance and scalability • Designed and integrated backend APIs to support application features and business logic • Optimized application performance using techniques such as lazy loading, efficient state management, and code splitting • Collaborated with UI/UX designers and backend engineers to ensure seamless user experiences

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Santiago, Chile

Feb, 2014 - Feb, 2016

2 years

Education

Universidad San Sebastián

2009 - 2013

4 years

bachelor's degree

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Chile

2009 - 2013

4 years

Certifications

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