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Jennifer Evangelista

Data Architecture & Data Engineering Specialist | Databricks Certified Data Engineer Professional | AWS & Google Cloud certified. Harvard CS50 certificates: AI with Python & Databases with SQL.

Location Brazil Joined Joined on  Personal website https://linktr.ee/jen.data.nasa github website

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Data Architecture & Data Engineering Specialist

Ghost Hunt · Who Else Was There? Every face has a heartbeat. Except one.

Presage SmartSpectra SDK Challenge Submission
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Ghost Hunt · Who Else Was There? Every face has a heartbeat. Except one.

#devchallenge #presagechallenge #webdev #javascript
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9 min read

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The ghost refused to leave my ghost app: building Witching Hour with TabPFN and Gemma
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The ghost refused to leave my ghost app: building Witching Hour with TabPFN and Gemma

#mlhacks #ai #opensource #machinelearning
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9 min read
I had never written a line of Solana. Two days later, my wallet was refusing scams on-chain
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I had never written a line of Solana. Two days later, my wallet was refusing scams on-chain

#mlhacks #solana #ai #web3
11
Comments 4
10 min read
Switch from zero: ship a human-in-the-loop data quality agent to your team chat
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Switch from zero: ship a human-in-the-loop data quality agent to your team chat

#switch #ai #dataengineering #tutorial
2
Comments 3
9 min read
This kid-safety guard won a Hacktoberfest prize, and it runs on a laptop GPU
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This kid-safety guard won a Hacktoberfest prize, and it runs on a laptop GPU

#mlhacks #devchallenge #hackathon #ai
1
Comments
16 min read
Witching Hour: What If Someone Tried to Warn You? An Open-Model Ghost Hunt Where TabPFN and Gemma Investigate Your Real Data: Ghost or Fiction?

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼
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Witching Hour: What If Someone Tried to Warn You? An Open-Model Ghost Hunt Where TabPFN and Gemma Investigate Your Real Data: Ghost or Fiction?

#devchallenge #hf26challenge #ai #opensource
1
Comments 1
20 min read
Night Guard: an open-model guard that watches out for kids in game chats, so tired parents don't have to read every message

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥
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Night Guard: an open-model guard that watches out for kids in game chats, so tired parents don't have to read every message

#devchallenge #hf26challenge #ai #opensource
3
Comments
16 min read
Your pipeline ran green ✅ and shipped last week’s data anyway
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Your pipeline ran green ✅ and shipped last week’s data anyway

#python #databricks #dataengineering #dataquality
1
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4 min read
A Freshness Check Before the 8 a.m. Report
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A Freshness Check Before the 8 a.m. Report

#apacheairflow #dataengineering
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5 min read
Three Orders In, Three Rows Out, 42.9% More Revenue
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Three Orders In, Three Rows Out, 42.9% More Revenue

#sql #dataengineering #databricks
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5 min read
Unity Catalog Row Filters and Column Masks: A Fail-Closed Security Design You Can Test
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Unity Catalog Row Filters and Column Masks: A Fail-Closed Security Design You Can Test

#databricks
1
Comments
8 min read
Your Kafka Consumer Lag Is Not Your SLA: Offset Math, Retention, and the Missing-Commit Trap
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Your Kafka Consumer Lag Is Not Your SLA: Offset Math, Retention, and the Missing-Commit Trap

#kafka
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7 min read
Your S3 Pipeline Needs a Replay Plan, Not More Optimism
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Your S3 Pipeline Needs a Replay Plan, Not More Optimism

#aws #dataengineering #databricks #apachespark
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7 min read
Your Delta MERGE Is Not a Mind Reader
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Your Delta MERGE Is Not a Mind Reader

#apachespark #databricks #dataengineering #pyspark
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6 min read
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