Full-Stack Data

I turn messy data into working systems that ship.

I build data pipelines end to end, from raw files to the dashboard — on both open-source and cloud stacks.

bronze_ingest.py

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Skills

# languages

# data_engineering

# databases

# data_modeling

# visualization_bi

# tools_platforms

A quick summary below — or grab the full PDF.

Mar 2026 — Present

Designed and maintained the PostgreSQL schema (ERD/data model) for financial transaction systems, including normalization, relationship design, and indexing strategies.
Handled database optimization — query tuning and performance improvements for transaction-heavy workloads.
Built and maintained CI/CD pipelines with GitHub Actions, supporting automated quality checks, testing, and deployment.
Collaborated with developers to keep backend–database integration consistent across services and environments, improving system reliability and database change management.

Apr 2026 — Oct 2026

Supported and observed a data workflow built on Apache NiFi, assisting with basic configuration and monitoring of batch data flows.
Assisted with data validation and quality checking to ensure consistency and accuracy of processed datasets.
Supported data transformation and preparation for reporting and downstream analytics use cases.
Built Power BI dashboards to visualize operational KPIs such as report volume, processing status, and resolution time.

Nov 2025 — Feb 2026

Built and maintained Power BI dashboards tracking hotel e-commerce performance across OTAs, enabling faster, more data-driven commercial decisions.
Analyzed booking, revenue, and promotion data to surface performance gaps and optimization opportunities, supporting pricing decisions and suggested actions.
Contributed to a 30M VND revenue uplift, exceeding target by 7% (400M VND vs. 373M VND target).