Daniel Prazeres

I'm

About

AI Engineer with product and full-stack experience, focused on automating financial operations in regulated environments. I deliver measurable results in billing automation, ERP onboarding at scale with governance, and legal-financial claim evaluation pipelines. I build secure integrations, audit-ready workflows, and AI agents that reduce friction in how money moves through systems.

Lead AI Engineer & Software Architect

I specialize in building AI-powered systems that automate critical business operations with security, auditability, and measurable impact. From LLM agents to OCR pipelines, I combine technical depth with business focus to deliver solutions that work in production and drive real results.

  • Email: contato@danielprazeres.com
  • Phone: +54 9 11 2490-0572
  • City: CABA, Buenos Aires, AR
  • Age: 27
  • Degree: Graduated
  • Freelance: Available

Fluent in English, Spanish and Portuguese — delivering fast, communicating clearly, and always aligned with business impact. Currently pursuing a postgraduate degree in AI and Machine Learning at PUC Minas.

Skills

Top skills: LLM Agents, Software Architecture, Prompt Engineering, OCR, Python, FastAPI, Docker, n8n, MCP Servers, and Financial Automation.

LLM Agents & AI Architecture 90%
Python (FastAPI, Flask, Automation) 90%
OCR & RAG Pipelines (PaddleOCR, Vector Search) 85%
Financial Automation & ERP Integration 85%
MLOps (Docker, CI/CD, Monitoring) 80%
Software Architecture & System Design 85%

Resume

AI Engineer focused on automating financial operations in regulated environments. Delivering measurable results in billing automation (8x faster invoicing), ERP onboarding at scale, and legal-financial claim evaluation pipelines.

Summary

Daniel Prazeres

AI Engineer with product and full-stack experience, focused on automating financial operations in regulated environments. I build secure integrations, audit-ready workflows, and AI agents that reduce friction in how money moves through systems. Fluent in English, Spanish and Portuguese.

  • Buenos Aires, Argentina
  • +54 9 11 2490-0572
  • contato@danielprazeres.com

Education

Postgraduate Program in AI and Machine Learning

2025 - Present

PUC Minas, Brazil

Bachelor of Information Systems

2019 - 2023

UNILASALLE, Rio de Janeiro, Brazil

Complementary Certifications

  • Data Science & Machine Learning
  • AWS Academy Graduate - Cloud Developing
  • User Experience Design
  • Product Discovery

Professional Experience

Lead AI Engineer & Software Architect

Jun 2025 – Present

CHIEF Project Management

  • Led development of AI-powered Digital Worker for Administration & Finance, combining LLM reasoning and secure multi-system integrations
  • Automated multi-tenant billing: reduced invoicing time from 12 minutes to 85 seconds (8x faster)
  • Built custom n8n nodes and MCP servers for integrations with invoicing, ERP, CRM, and registries
  • Applied MLOps: Dockerization, secure CI/CD, monitoring, and structured logging

Founder

Sep 2023 – Present

QuackLabs

  • Built LegalTech automation evaluating accident claim viability through OCR + insurance policy rules
  • Delivered TurboWeb, a subscription-based ECU management platform with secure payments
  • Developed hybrid OCR + RAG pipeline combining PaddleOCR + regex + LLM vision, significantly reducing API costs
  • Integrated WhatsApp, ERPs, and financial workflows using REST, webhooks and custom extraction models

AI Engineer & Technical Coordinator

Jan 2025 – Jun 2025

Eztools

  • Coordinated business rules and UI flows with designer/PO, ran dailies, and tracked progress
  • Real-time tech support for 4-dev squad on Meta Cloud WhatsApp API
  • Maintained Python POCs (OCR + RAG) and set up Docker + GitHub Actions pipelines

Co-Founder & CTO

Sep 2023 – Jan 2025

Naria – RPA with AI

  • Created WhatsApp AI chatbots for accounting and telecom sectors, integrating billing, support, and payment negotiation workflows.
  • Built predictive incident pipelines reducing critical system failures by 30%.

Senior Product Designer

Apr 2023 – Sep 2023

Regera

  • Increased onboarding conversion by 47% through UX/UI improvements.
  • Reduced user process time to under 5 minutes and optimized customer acquisition costs.

Product Designer

Jan 2022 – Apr 2023

Regera

  • Designed and launched features to enhance portfolio management, analytics, and risk modules.
  • Collaborated closely with Product Managers and technical teams.

UX Designer

Nov 2019 – Jan 2022

2tech (Payroll loan management software)

  • Conducted user research, UI/UX design, Hotjar analysis, and usability testing to optimize customer journeys.
  • Focused on interaction design, pain point mapping, and iterative product improvement.

Portfolio

My work reflects my passion for solving design challenges and building intelligent solutions. Below are selected projects showcasing my work across UX/UI, Python development, and AI applications.

  • All
  • Python / ML
  • UX/UI

Refúgio

A UX Case Study on Combating Domestic Violence

MEDCARE

Reducing Patient Falls with UX Design

Ticket Log UX Case

A case study developed in 48 hours

Cinefun

Improving the Movie-Going Experience

Musimundo

Improving Product Findability through IA redesign

Brewery Lister

React microbrewery browser with 97% test coverage, Docker deploy

Heart Disease Predictor

ML model to predict heart disease using Random Forest

Services

I develop intelligent solutions that optimize workflows, automate processes, and unlock the power of data with AI and Python.

Automation with Python

Creation of intelligent bots and automated pipelines to streamline repetitive tasks, reduce errors, and improve operational efficiency.

AI-Powered Chatbots

Development of AI chatbots for customer support and internal workflows, leveraging GPT models, prompt engineering, and API integrations.

Data Extraction and Analysis

Implementation of OCR, text extraction, and structured data generation from PDFs, invoices, and complex documents using Python and AI models.

System Integrations (APIs & Webhooks)

Seamless integration of platforms through APIs and Webhooks, connecting CRM, ERPs, financial tools, and custom applications.

Generative AI Solutions

Building AI workflows based on large language models (LLMs) like GPT-4, fine-tuning prompts, and applying vector search techniques for enhanced information retrieval.

AI Consulting

Helping businesses design AI-driven strategies, from identifying opportunities for automation to implementing scalable, real-world solutions.

Recommendations

Bruno Dollo

CO-Founder Regera

Daniel is an excellent professional. Has a good balance of soft and hard skills. His product vision contributed to impressive numbers for our product for individuals. I recommend Daniel.

Wagner Santos

UX Designer

Daniel is an extremely creative professional and knows a great deal about the UX field. I had the opportunity to work with him on several projects and seeing how he thinks and applies his knowledge is truly fascinating. I hope to work with him again in the future. He is easygoing, fun, and always open to talk and help whenever needed.

Beatriz Crisostomo

Product Manager

I had the opportunity to work with Daniel, a professional who delivers his tasks with excellence, always with a focus on the client. He seeks different solutions to solve problems, is always willing to help people, teach, and learn along with the team. A very dedicated professional. Thank you for all your help always, Dani! :-D

Bruno Hoehne

Product Manager

Daniel is an extremely versatile professional. I have seen him deliver on UI, UX, PD, BA, PO, and a few other roles that I might be forgetting, but all of them with great competence, grounding, and speed. He is an easy recommendation for any company looking for a professional focused on delivering value to their clients.

Eduardo Rocha

Javascript FullStack Developer

Dedicated and helpful. Daniel is a competent work colleague who delivers and is very dedicated. He has excellent self-management of his activities, is organized, and very skilled in product design. His design complements the technology area, understands its limitations, and facilitates interactions among the stakeholders involved in a project.

Contact

Location:

CABA, Buenos Aires, AR

Call:

+54 9 11 2490-0572

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