SENIOR ▸ BIG DATA ENGINEER

I build the pipelines
that personalize every user's experience.

Big Data Engineer specializing in streaming & batch architectures and large-scale analytics. I design scalable, reliable data platforms that power experimentation, personalization, recommendations, and data-driven products.

GCP ClickHouse Airflow Dataflow
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Steven, the Big Data Engineer
Reference architecture

How I build a data platform

Every project follows the same backbone — raw events flow through warp-pipes from source to serving layer. Here’s the stack I reach for at each stage.

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INGEST
PROCESS
STORE
SERVE
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Selected work

Featured projects

Click any project to open the case study — pipeline, metrics, and stack.

THROUGHPUT
85M/day

Live Hits Pipeline

Real-Time Event Streaming

Dataflow · Pub/Sub · Redis · Java
SPEEDUP
10× faster

SRM Detector

Jupyter → Go → Java

Go · Java · JNI · Python
SCALE
1M+ SKUs

Recommendations Pipeline

Medallion Migration

Airflow · dbt · ClickHouse · BigQuery
DAGS
50+ orchestrated

Airflow Platform

Multi-Env Orchestration

Airflow · Composer · GCP · CI/CD
SAVED
$500K+ losses

Test Loss Alert System

Real-Time Revenue Protection

Java · Statistics · Email/Slack API
USERS
1M+ segmented

Customer Segmentation Engine

Airflow + ClickHouse Pipeline

Airflow · ClickHouse · Python · K-Means
Career

Experience

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Let’s talk

Let’s build something epic.

Want to chat about data, pipelines, or work together? Reach out.

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STEVEN NEIRA
© 2026 Steven Neira · Built with the Big Data Engineer design system
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