Vinicius Fagundes

Data Architect building scalable cloud-native platforms AWS Snowflake Python. Transform fragmented data into AI-ready pipelines; integrate LLMs; optimize cost & performance. https://x.com/dfagundesv

Joined on Jun 19, 2025

Vinicius Fagundes

Jan 19

Data Engineering Uncovered: What It Is and Why It Matters

#dataengineering #beginners #data #career

3 min read

Want to connect with Vinicius Fagundes?

Create an account to connect with Vinicius Fagundes. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Vinicius Fagundes

Jan 11

Real-Time is an SLA, Not an Architecture: When You Actually Need Kafka (And When You Don't)

#discuss #architecture #dataengineering #career

10 min read

Vinicius Fagundes

Jan 10

Snowflake Cortex: The AI Layer Your Data Team Actually Needs

#snowflake #database #ai #llm

8 min read

Vinicius Fagundes

Jan 9

Train Models. Ship Systems. Know the Difference.

#datascience #machinelearning

9 min read

Vinicius Fagundes

Jan 7

Anomaly Detection in Seasonal Data: Why Z-Score Still Wins (But You Need to Use It Right)

#algorithms #datascience #machinelearning #python

11 min read

Vinicius Fagundes

Dec 28 '25

Production AI: Monitoring, Cost Optimization, and Operations

#llm #dataengineering #mlops #machinelearning

9 min read

Vinicius Fagundes

Dec 21 '25

RAG Evaluation Metrics: Measuring What Actually Matters

#llm #rag #dataengineering #ai

10 min read

Vinicius Fagundes

Dec 16 '25

Human-in-the-Loop Systems: Building AI That Knows When to Ask for Help

#ai #rag #programming #data

17 min read

Vinicius Fagundes

Dec 14 '25

Multi-Step Reasoning and Agentic Workflows: Building AI That Plans and Executes

#ai #rag #programming #webdev

16 min read

Vinicius Fagundes

Dec 11 '25

Reranking and Two-Stage Retrieval: Precision When It Matters Most

#ai #llm #rag

2 min read

Vinicius Fagundes

Dec 11 '25

Dense vs Sparse Retrieval: Mastering FAISS, BM25, and Hybrid Search

#ai #llm #vectordatabase

15 min read

Vinicius Fagundes

Dec 8 '25

Chunking Strategies: The Art of Slicing Documents for Optimal RAG Performance

#ai #llm #data

10 min read

Vinicius Fagundes

Dec 7 '25

Retrieval-Augmented Generation: Connecting LLMs to Your Data

#ai #datascience #llm #rag

10 min read

Vinicius Fagundes

Dec 5 '25

Prompt Engineering Patterns: From Zero-Shot to Chain-of-Thought Reasoning

#ai #mcp #llm #dataengineering

14 min read

Vinicius Fagundes

Dec 4 '25

Function Calling and Tool Use: Turning LLMs into Action-Taking Agents

#ai #llm #mcp #dataengineering

18 min read

Vinicius Fagundes

Dec 2 '25

Positional Encodings and Context Window Engineering: Why Token Order Matters

#dataengineering #ai #software

12 min read

Vinicius Fagundes

Nov 24 '25

Embeddings and Vector Similarity: How Machines Understand Meaning

#ai #datascience #dataengineering #llm

19 min read

Vinicius Fagundes

Nov 21 '25

Transformers and Attention: How LLMs Actually Process Text

#ai #architecture #llm #deeplearning

19 min read

Vinicius Fagundes

Nov 17 '25

Temperature, Tokens, and Context Windows: The Three Pillars of LLM Control

#ai #dataengineering #data #product

13 min read

Vinicius Fagundes

Nov 6 '25

Building Custom MCP Servers with Python: A Data Engineer's Guide 🛠️

#dataengineering #software #python #ai

5 min read

Vinicius Fagundes

Oct 22 '25

🏗️ Vector Database Architecture: How to Structure Your Data for Production RAG Systems

#architecture #llm #ai #database

3 min read

Vinicius Fagundes

Oct 17 '25

🎓 Building a Smart LMS Assistant: RAG System with Pinecone for Multi-Source Learning Data

#vectordatabase #ai #dataengineering

3 min read

Vinicius Fagundes

Oct 6 '25

When to Choose Scala Over Python for Apache Spark: A Performance-Driven Analysis

#datascience #dataengineering #ai

4 min read

Vinicius Fagundes

Sep 30 '25

🎯 The Challenge: Processing TBs of S3 Data Without Breaking the Bank

#data #dataengineering #ai

5 min read

Vinicius Fagundes

Sep 25 '25

🚀 Building a Sandbox Data Warehouse with Snowflake + GitHub Actions (Part 2)

3 min read

Vinicius Fagundes

Sep 22 '25

🏗️ Building a Sandbox Data Warehouse with Snowflake + GitHub Actions (Part 1)

2 min read

Vinicius Fagundes

Sep 15 '25

Managing Reference and Configuration Data in E-Commerce Data Platforms

3 min read

Vinicius Fagundes

Aug 18 '25

🧊 Snowflake RBAC 101 – Episode 3: Ongoing Access Management

#dataengineering #datawarehouse #snowflake

1 min read

Vinicius Fagundes

Aug 14 '25

Snowflake RBAC 101 – Episode 2: Role Hierarchies & Least Privilege

#dataengineering #dataprivacy #datawarehouse #snowflake

1 min read

Vinicius Fagundes

Aug 11 '25

Snowflake RBAC 101

#snowflake #datascience #dataengineering #ai

1 min read

Vinicius Fagundes

Aug 7 '25

🏗️ Designing Your Modern Data Platform (Cloud-Native Edition)

#dataplatform #datascience #dataengineering

2 min read

Vinicius Fagundes

Aug 4 '25

🔐 Data Governance: From Chaos to Control

#dataengineering #datascience #architecture

2 min read

Vinicius Fagundes

Jul 29 '25

🚦 Optimize Database Access and Efficiency with AWS RDS Proxy

2 min read

Vinicius Fagundes

Jul 28 '25

🧭 Data Mesh vs Data Fabric (Part 2) – Real World Architectures & Code

1 min read

Vinicius Fagundes

Jul 23 '25

🧭 Data Mesh vs Data Fabric (Part 1) – Rethinking How We Scale Data

#datamesh #dataengineering #datacatalog #architecture

2 min read

Vinicius Fagundes

Jul 20 '25

🧱 OLTP vs OLAP: When Transaction Meets Analytics

#datafoundation #dataengineering #ai #sql

2 min read

Vinicius Fagundes

Jul 16 '25

🛒 Real-Life Data Lakehouse Use Case: Revolutionizing Retail Analytics

#datascience #dataengineering #data #ai

2 min read

Vinicius Fagundes

Jul 14 '25

🏗️ Data Lakehouse: Bridging Flexibility and Structure

#dataengineering #datascience #architecture

2 min read

Vinicius Fagundes

Jul 10 '25

🧱 Data Lake, Data Warehouse, and Data Mart: What's the Difference?

2 min read

Vinicius Fagundes

Jul 8 '25

🤖 Part 3: Building a Price Recommendation Engine with Pandas and Scikit-Learn

2 min read

Vinicius Fagundes

Jul 7 '25

❄️ Part 2: ETL to Snowflake with AWS Glue — Enabling Price Index Modeling

2 min read

Vinicius Fagundes

Jul 3 '25

🧠 Building a Serverless Price Indexer with AWS — From Web Crawling to Insights

2 min read

Vinicius Fagundes

Jun 30 '25

Building Multi-Tenant Analytics with Snowflake RBAC and Sigma Computing: Part 3

#analytics #snowflake #dataengineering #datascience

3 min read

Vinicius Fagundes

Jun 25 '25

Building Multi-Tenant Analytics with Snowflake RBAC and Sigma Computing: Part 2

#analytics #snowflake #dataengineering #datascience

3 min read

Vinicius Fagundes

Jun 24 '25

Building Multi-Tenant Analytics with Snowflake RBAC and Sigma Computing: Part 1 - Foundation and Data Modeling

#analytics #dataengineering #datascience #snowflake

3 min read

Vinicius Fagundes

Jun 20 '25

Trust Over Throttle: Leveraging o3-Pro for Accurate, Impactful AI

#python #ai #llm #dataengineering

3 min read

Writing Debut

Want to connect with Vinicius Fagundes?