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I'm Nelson Alejandro Valencia Rendón, an AI Systems Architect based remotely in Colombia. I design and deploy production-grade, multi-agent AI platforms, fine-tuned LLMs, and GraphRAG architectures to bridge business needs and technical execution. My work focuses on scalable deployments, observability, and turning complex research into practical tools that empower teams. I thrive at the intersection of strategy and implementation, delivering robust AI systems that run 24/7 across multilingual environments.…I'm Nelson Alejandro Valencia Rendón, an AI Systems Architect based remotely in Colombia. I design and deploy production-grade, multi-agent AI platforms, fine-tuned LLMs, and GraphRAG architectures to bridge business needs and technical execution. My work focuses on scalable deployments, observability, and turning complex research into practical tools that empower teams. I thrive at the intersection of strategy and implementation, delivering robust AI systems that run 24/7 across multilingual environments.

Nelson Alejandro Valencia Rendón

AI Engineer, AI Strategy Consultant, Full Stack Developer, +4

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I'm Nelson Alejandro Valencia Rendón, an AI Systems Architect based remotely in Colombia. I design and deploy production-grade, multi-agent AI platforms, fine-tuned LLMs, and GraphRAG architectures to bridge business needs and technical execution. My work focuses on scalable deployments, observability, and turning complex research into practical tools that empower teams. I thrive at the intersection of strategy and implementation, delivering robust AI systems that run 24/7 across multilingual environments.…I'm Nelson Alejandro Valencia Rendón, an AI Systems Architect based remotely in Colombia. I design and deploy production-grade, multi-agent AI platforms, fine-tuned LLMs, and GraphRAG architectures to bridge business needs and technical execution. My work focuses on scalable deployments, observability, and turning complex research into practical tools that empower teams. I thrive at the intersection of strategy and implementation, delivering robust AI systems that run 24/7 across multilingual environments.

Available to hire

I’m Nelson Alejandro Valencia Rendón, an AI Systems Architect based remotely in Colombia. I design and deploy production-grade, multi-agent AI platforms, fine-tuned LLMs, and GraphRAG architectures to bridge business needs and technical execution.

My work focuses on scalable deployments, observability, and turning complex research into practical tools that empower teams. I thrive at the intersection of strategy and implementation, delivering robust AI systems that run 24/7 across multilingual environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Fluent

Work Experience

AI Systems Architect at AlejandroVR (Self-employed)

August 1, 2024 - Present

Built consulting practice infrastructure entirely self-hosted on personal VPS. Full ownership and control, near-zero operational cost. Deployed a full stack (React.js frontend, Express backend, PostgreSQL) and a custom CRM pipeline using n8n; set up Poste.io mail server and Lucy AI assistant on Ollama (proof of concept). Self-hosted stack runs 24/7 with minimal maintenance. Automated sales, CRM, and email-nurturing pipeline.

AI Systems Architect at SeducSer

October 1, 2024 - June 1, 2025

Built a multi-agent AI coaching system from zero to production, enabling 24/7 multilingual operation with 10+ agents across two clusters (Coaching and Sales). Implemented hexagonal architecture with output contracts, context compression, agent-versioning, and DB-centric state sharing; resilient orchestration via n8n and Redis. Achieved coaching quality comparable to humans, with ongoing multilingual support (ES/EN).

Web Full Stack Developer

June 1, 2022 - May 1, 2024

Contributed as a full-stack developer, delivering web applications and Wordpress/WooCommerce deployments for clients, including nativia.com, sanutrio.com, speffee.com.

Android Mobile Developer at CalisCo S.A.S

July 1, 2018 - June 1, 2022

Agile development for market validation; designed and implemented local business logic and offline-capable databases; built automated functions such as personalized weekly diets and exercise routines.

Community Manager at CalisCo S.A.S

June 1, 2016 - July 1, 2018

Digital marketing campaign strategist; web and content designer; converted potential clients into customers via social media.

Web Full Stack Developer

June 1, 2022 - May 1, 2024