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I am an AI Engineer with strong experience in building production-ready, end-to-end AI systems and intelligent web applications. I specialize in designing conversational agents, applying prompt engineering strategies, and deploying scalable machine learning services in cloud environments. Expert in LangChain, GPT-4, and cloud-native architecture with a background in full-stack development. I have proven experience in startup and enterprise settings leading high-impact initiatives, mentoring teams, and accelerating innovation through intelligent automation. I am actively seeking roles where AI meets real-world problem solving at scale.…I am an AI Engineer with strong experience in building production-ready, end-to-end AI systems and intelligent web applications. I specialize in designing conversational agents, applying prompt engineering strategies, and deploying scalable machine learning services in cloud environments. Expert in LangChain, GPT-4, and cloud-native architecture with a background in full-stack development. I have proven experience in startup and enterprise settings leading high-impact initiatives, mentoring teams, and accelerating innovation through intelligent automation. I am actively seeking roles where AI meets real-world problem solving at scale.

Jesus Sebastian Diez Plasencia

AI Engineer, Full Stack Developer, Web Developer, +2

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I am an AI Engineer with strong experience in building production-ready, end-to-end AI systems and intelligent web applications. I specialize in designing conversational agents, applying prompt engineering strategies, and deploying scalable machine learning services in cloud environments. Expert in LangChain, GPT-4, and cloud-native architecture with a background in full-stack development. I have proven experience in startup and enterprise settings leading high-impact initiatives, mentoring teams, and accelerating innovation through intelligent automation. I am actively seeking roles where AI meets real-world problem solving at scale.…I am an AI Engineer with strong experience in building production-ready, end-to-end AI systems and intelligent web applications. I specialize in designing conversational agents, applying prompt engineering strategies, and deploying scalable machine learning services in cloud environments. Expert in LangChain, GPT-4, and cloud-native architecture with a background in full-stack development. I have proven experience in startup and enterprise settings leading high-impact initiatives, mentoring teams, and accelerating innovation through intelligent automation. I am actively seeking roles where AI meets real-world problem solving at scale.

Available to hire

I am an AI Engineer with strong experience in building production-ready, end-to-end AI systems and intelligent web applications. I specialize in designing conversational agents, applying prompt engineering strategies, and deploying scalable machine learning services in cloud environments. Expert in LangChain, GPT-4, and cloud-native architecture with a background in full-stack development.

I have proven experience in startup and enterprise settings leading high-impact initiatives, mentoring teams, and accelerating innovation through intelligent automation. I am actively seeking roles where AI meets real-world problem solving at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Intermediate

Italian

Beginner

Work Experience

AI Engineer | Full Stack Developer at Sintad

January 1, 2024 - Present

Led design and deployment of an OCR system using Google Cloud Document AI and FastAPI to reduce invoice processing time by 70%, saving about 200+ hours per month. Architected and implemented a GPT-4-powered conversational agent that automated 30% of customer support, improving resolution time and increasing CSAT by 15%. Mentored junior developers on prompt engineering and AI tooling, enhancing team delivery speed and reducing planning overhead. Prototyped high-fidelity Figma user interfaces, reducing client revision cycles and improving satisfaction through faster iteration and deployment. Designed and implemented a dermatology-focused AI chatbot to assist patient triage and consultations. Applied advanced prompt engineering for medical use cases ensuring safety and relevance. Built conversational system using LangChain for modularity, context management, and scalable integration with APIs and knowledge sources. Managed full-stack product delivery using FastAPI and Angular with a respo

Co-Founder | AI Engineer at Hebrax IMS

October 1, 2024 - August 6, 2025

Led migration to Angular 17 for a core ERP system, reducing frontend load times and cutting technical debt by 30%. Integrated Aider Chat for AI pair programming across ERP modules, accelerating development and improving code consistency. Developed internal automation tools using Flowise, Pinecone, and LangChain, reducing manual workflow effort by up to 60%. Migrated legacy desktop apps to cloud infrastructure enabling remote access and enhancing system availability. Collaborated cross-functionally to redesign merchandise tracking features, improving UI/UX and operational monitoring.

Full Stack Developer at Sintad

January 1, 2024 - August 6, 2025

Full-stack development involving design and implementation of web applications with FastAPI and Angular, focusing on responsive and secure user experiences.