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Olga Braginskaya Subscriber

Oh That Data Girl Anti-Bullshit Enthusiast. Data engineer with a systems mindset, mildly owned by cats. Writing what I wish someone had written earlier.

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she/her

Work

Senior Data Engineer

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Google AI
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Google AI Challenge Completion
AI Agents Challenge powered by n8n and Bright Data Completion
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Python
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How I'm Optimizing My Small Blog to Get Cited by AI (Based on Actual Research)

How I'm Optimizing My Small Blog to Get Cited by AI (Based on Actual Research)

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7 min read

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Know your tokens. Own your costs.

Know your tokens. Own your costs.

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16 min read
SQL Interviews in the Age of LLMs: Patterns Over Queries

SQL Interviews in the Age of LLMs: Patterns Over Queries

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25 min read
AI Gave Us Lemons. We Picked Limoncello

AI Gave Us Lemons. We Picked Limoncello

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12 min read
Build in Public: Week 10. Making It Less Fragile

Build in Public: Week 10. Making It Less Fragile

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3 min read
Build in Public: Week 9. The Shape of Wykra

Build in Public: Week 9. The Shape of Wykra

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6 min read
Build in Public: Week 8. We Finally Deployed This Thing

Build in Public: Week 8. We Finally Deployed This Thing

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6 min read
Build in Public: Week 7. Shipping While Tired (or: Still Alive, Surprisingly)

Build in Public: Week 7. Shipping While Tired (or: Still Alive, Surprisingly)

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6 min read
Build in Public: Week 6. Trying to Add More Social Platforms

Build in Public: Week 6. Trying to Add More Social Platforms

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5 min read
Build in Public: Week 5. The Week We Finally Measured Things Instead of Just Hoping for the Best

Build in Public: Week 5. The Week We Finally Measured Things Instead of Just Hoping for the Best

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5 min read
Build in Public: Week 4. The Messy Middle Of Building An AI Agent

Build in Public: Week 4. The Messy Middle Of Building An AI Agent

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5 min read
Build in Public: Week 3. First Survive Discovery, Then Enjoy Analysis

Build in Public: Week 3. First Survive Discovery, Then Enjoy Analysis

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12 min read
Build in Public: Week 2. How Do People Even Find Influencers?

Build in Public: Week 2. How Do People Even Find Influencers?

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7 min read
Build in Public: Week 1

Build in Public: Week 1

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5 min read
Guess My Drawing: Can Gemini Read Your Mind in One Line?

Google AI Challenge Submission

Guess My Drawing: Can Gemini Read Your Mind in One Line?

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4 min read
WYKRA: Web You Know, Real-time Analysis

n8n and Bright Challenge: Unstoppable Workflow

WYKRA: Web You Know, Real-time Analysis

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4 min read
Three Formats Walk into a Lakehouse: Iceberg, Delta and Hudi in a Local Setup You Can Run on Your Laptop

Three Formats Walk into a Lakehouse: Iceberg, Delta and Hudi in a Local Setup You Can Run on Your Laptop

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16 min read
How do you stay sane with the non-stop tech hype (LLMs, anyone?)

How do you stay sane with the non-stop tech hype (LLMs, anyone?)

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1 min read
🥔 Reputato: Not Every Company Is Golden. We Sniff Out the Ones That Are.

🥔 Reputato: Not Every Company Is Golden. We Sniff Out the Ones That Are.

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6 min read
When Small Parquet Files Become a Big Problem (and How I Ended Up Writing a Compactor in PyArrow)

When Small Parquet Files Become a Big Problem (and How I Ended Up Writing a Compactor in PyArrow)

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5 min read
You’re Not the First. You Won’t Be the Last. But We Survive

You’re Not the First. You Won’t Be the Last. But We Survive

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14 min read
Who Wins Dev.to Challenges? (And The Hidden Benefits No One Talks About)

Who Wins Dev.to Challenges? (And The Hidden Benefits No One Talks About)

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10 min read
Scaling Data Analytics: Building a Starter Kit with Neon, Airflow, and Streamlit

Scaling Data Analytics: Building a Starter Kit with Neon, Airflow, and Streamlit

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3 min read
BlogAI: Read or Skip? Powered by Agent.ai

BlogAI: Read or Skip? Powered by Agent.ai

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6 min read
BlogAI: Read or Skip? Built with Agent.ai

BlogAI: Read or Skip? Built with Agent.ai

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6 min read
Handling Dates in Argo Workflows

Handling Dates in Argo Workflows

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4 min read
NameWiz: Building a Creative Name Generator with GitHub Copilot

NameWiz: Building a Creative Name Generator with GitHub Copilot

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3 min read
Logs Don’t Lie: Debugging My Data Engineering Crisis in 2025

Logs Don’t Lie: Debugging My Data Engineering Crisis in 2025

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8 min read
Goodbye Netlify, Hello Ghost: My Blog's New Home

Goodbye Netlify, Hello Ghost: My Blog's New Home

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6 min read
How Do You Organize Your Blogging Workflow? 🤔

How Do You Organize Your Blogging Workflow? 🤔

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1 min read
12 Steps to Organize and Maintain Your Python Codebase for Beginners

12 Steps to Organize and Maintain Your Python Codebase for Beginners

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17 min read
Data Analytics Dashboard Starter Kit with Neon, Streamlit, and Airflow

Data Analytics Dashboard Starter Kit with Neon, Streamlit, and Airflow

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2 min read
Binary Tree

Binary Tree

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1 min read
My Journey Learning AI for Songwriting: LSTMs and Taylor Swift

My Journey Learning AI for Songwriting: LSTMs and Taylor Swift

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20 min read
The Data Engineering Docker-Compose Starter Kit

The Data Engineering Docker-Compose Starter Kit

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13 min read
The Golang Saga: A Coder’s Journey There and Back Again. Part 3: The Graphing Conundrum

The Golang Saga: A Coder’s Journey There and Back Again. Part 3: The Graphing Conundrum

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15 min read
The Golang Saga: A Coder’s Journey There and Back Again. Part 2: The Data Expedition

The Golang Saga: A Coder’s Journey There and Back Again. Part 2: The Data Expedition

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15 min read
The Golang Saga: A Coder’s Journey There and Back Again. Part 1: Leaving the Shire

The Golang Saga: A Coder’s Journey There and Back Again. Part 1: Leaving the Shire

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11 min read
Unleash Your Pipeline Creativity: Local Development with Argo Workflows and MinIO on Minikube

Unleash Your Pipeline Creativity: Local Development with Argo Workflows and MinIO on Minikube

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12 min read
From Kafka to Amazon S3: Partitioning Outputs

From Kafka to Amazon S3: Partitioning Outputs

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17 min read
How we mastered dbt: A true story

How we mastered dbt: A true story

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14 min read
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