Daniel Prieto Full Stack Developer | React + Node.js + PostgreSQL | Accounting

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AI Prompt Engineer & Conversational Designer

cervantchat

Oct 2025 - Current (9 months)

Prompt Engineering & Optimization: Designed and refined complex prompts for LLM-based WhatsApp chatbots, successfully transitioning the system from frequent manual interventions to a stable, autonomous response model. Conversational Strategy for Enterprise Clients: Led the knowledge base configuration for high-traffic accounts, including a major supermarket franchise with over 20 locations, ensuring accurate data delivery for wholesale and retail inquiries. Error Rate Reduction: Analyzed conversation logs and failure reports to iterate on AI instructions, significantly improving the bot's accuracy and reducing "hallucinations" or incorrect responses. Knowledge Architecture: Translated business requirements into structured AI guidelines,

Full Stack Developer

Inimble

Sep 2024 - Dec 2024 (4 months)

As a Full Stack Developer, I contributed by adding features and fixing bugs in Angular and NodeJS projects. I also created responsive landing pages using WordPress & WPBakery, ensuring an optimal user experience across devices.

Junior Full Stack Developer

QUIK YC W

May 2023 - Jul 2023 (3 months)

I helped to add features and fixes to several projects. Interacting with code on the frontend, backend and databases.

Data Entry Coordinator

QUIK YC W

Oct 2020 - Apr 2023 (2 years 7 months)

I created more than 600 commerce profiles on the app. I helped commerce representatives to create and modify products, in order to be displayed properly to users. I also trained people to work as data entry specialists.

Frontend Developer

Tesla Media Group

Aug 2018 - Mar 2020 (1 year 8 months)

I made fixes and edits on modules, added content to websites and created projects based on designs. I also applied responsive web design principles to the modules I worked on.

Accounts Payable Analyst

Carbones del Zulia SA CARBOZULIA

Apr 2018 - Aug 2018 (5 months)

Managed the accounting and tax classification of invoices, ensuring the integrity of financial entries. Executed the systematic recording of documents into the internal ERP, optimizing information flow for the Treasury and Procurement departments. Ensured Accounts Payable (AP) traceability, contributing to data availability for timely monthly closings

Daniel Prieto

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