Iwan Efendi

Data & Operations Specialist | Advanced Excel & Google Sheets | Workflow Automation

Actively looking · Member since 19 Aug 2026

Message

Location: Jambi, Indonesia

Desired salary: 300–800 USD/monthly

Work preference: Remote Only

Experience level: Mid

About

Professional summary

Hi, I'm Iwan Efendi — an experienced Data Operations & Spreadsheet Specialist with over 8 years of enterprise experience managing large-scale procurement datasets, transaction reconciliations, and workflow automations.

Throughout my career at PT Telkom Akses, I have managed and audited 5,600+ complex transaction records, streamlined vendor billing lifecycles, and built centralized tracking dashboards that eliminate administrative bottlenecks and human error.

My Core Expertise:
• Advanced Spreadsheet Modeling: Microsoft Excel (VLOOKUP, INDEX-MATCH, XLOOKUP, Dynamic Dashboards, Pivot Tables) and Google Sheets (Apps Script, ARRAYFORMULA, QUERY).
• Data Operations & Management: Data entry accuracy, data cleansing, vendor/contract tracking, and invoice reconciliation.
• Process Automation: Developing lightweight Python scripts, Telegram bots, and automated reporting systems to streamline repetitive tasks.
• ERP & Systems: Hands-on experience with SAP ERP and cloud document workflows.

I am highly detail-oriented, adaptable, and dedicated to delivering clean, accurate, and actionable data for fast-growing businesses and remote teams worldwide.

Notice period: Immediately

Tech stack & tools

Working toolkit

Experience

Career history

Procurement & Data Operations Specialist PT Telkom Akses

Jan 2018 – Present

• Managed enterprise procurement datasets and partner administration, handling 5,600+ complex transaction records across SAP ERP and spreadsheet systems with 100% audit accuracy.
• Built centralized Google Sheets and Excel tracking models (utilizing advanced matrix formulas, automated validation, and live dashboards) to streamline vendor billing and invoice lifecycles.
• Performed rigorous multi-departmental document verification (PO, PR, GR, BAST, and Tax Invoices), preventing duplicate payments and significantly accelerating cash clearance cycles.
• Awarded Best Employee Q1 2024 and Best Employee Q2 2025 for outstanding achievements in partner billing risk mitigation and process acceleration.

Education

Learning history

SMK Negeri 1 Kota Jambi

Jul 2010 – Jun 2013

Vocational High School Diploma, Computer & Network Engineering

Focused on Computer Networking, Hardware Troubleshooting, System Configuration, and Software Installations. Selected participant for ASEAN Skills networking competition training.

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