TRAINER LVL 2+ · KUALA LUMPUR

Errynie
Cyril

★ DATA ANALYST · BI DEVELOPER ★

Data analyst with a track record of 99% data accuracy across 10,000+ records and cutting reporting turnaround by up to 50% through automation. Turning messy operational data into reliable, decision-ready insights.

⚡ GET IN TOUCH ↗ VIEW PROJECTS ↗ GITHUB

0 % Data Accuracy

0 K+ Records

0 % Time Saved

0 Yrs Experience

TRAINER CARD · NO. EC-2026

NAMEERRYNIE C.

CLASSDATA ANALYST

REGIONKL, MY

BADGESSQL·BI·PY

★ GOTTA HIRE 'EM ALL ★

01 / Skills

What I Work With

Data & Querying

SQL JOINs Aggregations Data Validation

Spreadsheets & BI

Excel Advanced Pivot Tables Power Query Dashboard Dev

Programming

Python Pandas Data Cleaning Automation

Analytics

KPI Reporting Data Visualization Business Intelligence Reconciliation

Soft Skills

Data Governance Stakeholder Comms Attention to Detail Problem Solving

In Progress ⚡

Power BI Tableau

⚡ Power BI and Tableau are actively in training — expect them to level up soon. Current projects already use Excel dashboards and Python visualizations as the foundation.

02 / Projects

What I've Built

📊

Sales Performance Dashboard

EXP Lv.88

Interactive Excel dashboard analyzing RM16.2M revenue across 1,500 transactions. Dynamic slicers for product, region, salesperson & month with auto-updating KPIs.

Excel Power Query KPI Reporting Slicers

↗ VIEW ON GITHUB

🛡️

Insurance Claims Analytics Dashboard

EXP Lv.95

End-to-end analytics dashboard built independently — data cleaning, structuring, and full visualization across a large insurance claims dataset.

Excel Power Query Data Visualization

↗ VIEW ON GITHUB

⚙️

Freelance Transaction Analysis + Automation

EXP Lv.78

Python script automating CSV/SQLite data cleaning, aggregation, and reporting — reducing manual processing time by ~20%.

Python Pandas SQLite Automation

↗ VIEW ON GITHUB

🔍

SQL Data Verification

EXP Lv.82

Verified 500+ transaction records using SQL JOINs, aggregations, and filters to identify inconsistencies and validate data integrity across multiple tables.

SQL JOINs Data Integrity Aggregations

↗ VIEW ON GITHUB

03 / Experience

Where I've Worked

Feb 2026
— Present

Data Analyst (Freelance)

Self-Employed · Remote

Built two end-to-end Excel dashboards — a Sales Performance Dashboard tracking RM16.2M revenue across 1,500 transactions, and an Insurance Claims Dashboard covering 200 claims worth RM552,848.
Automated data cleaning, aggregation, and dashboard updates using Python and Power Query, improving reporting efficiency by 20%.
Applied SQL (JOIN, GROUP BY) to analyze transaction data, identify trends, and surface insights for business decisions.

Apr 2026
— Present

Data Uploader (Part-Time)

Mowinton Consulting · Remote

Managed end-to-end file uploads to the Ropedia cloud system, ensuring data completeness and accuracy across all batches.
Monitored upload status and resolved issues promptly to prevent data loss or processing delays.
Maintained metadata records and ensured data integrity across all submissions.

Apr 2026
— Present

AI Training Contributor (Part-Time)

Mowinton Consulting · Remote

Captured and submitted structured first-person POV data across multiple real-world task categories to support AI model training pipelines.
Ensured all submissions met quality and consistency standards for supervised learning datasets.

Dec 2023
— Jul 2025

Data Analyst / Operations Support

AS White Global Malaysia · Kuala Lumpur

Maintained 99% data accuracy across 10,000+ operational records with zero escalation incidents.
Reduced reporting turnaround by 30–50% by building automated Excel reporting tools used by cross-functional teams.
Translated business requirements into SQL queries and analytical outputs supporting faster decision-making.
Identified recurring data quality issues and implemented preventive checks, improving data governance practices.

Aug 2023
— Nov 2023

Sales Administrator

CSN Solutions Sdn Bhd · Kuala Lumpur

Improved sales data accuracy by 10% through structured reconciliation.
Maintained weekly inventory and demand planning reports.

Feb 2023
— Jul 2023

Guest Services Assistant

GENO Hotel · Kuala Lumpur

Managed 1,000+ customer records with full SLA compliance in a high-volume environment.

Errynie
Cyril

What I Work With

What I've Built

Where I've Worked

Academic Background

Communication

Choose Your Move!

ErrynieCyril

What I Work With

What I've Built

Where I've Worked

Academic Background

Communication

Choose Your Move!

Errynie
Cyril