Hafizur K.

Key Skills

Software

Don't disclose

Other

Top Subject Matter

Digital assurance & transparency (control testing, risk assessment)

Accounting analytics (technical accounting, judgment)

Cybersecurity (malware response, vulnerability research)

Top Data Types

Document

Computer Code Programming

Top Task Types

Classification

Red Teaming

Function Calling

Freelancer Overview

Virtual Experience - PwC (Digital Assurance & Transparency) (Control testing, analysis, reporting). Brings 17+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose, Microsoft Excel, and Other. Education includes Diploma of Higher Education, South-Eastern Finland University of Applied Sciences (2024) and Building AI Advanced Honors, University of Helsinki (2024). AI-training focus includes data types such as Computer Code, Programming, and Document and labeling workflows including Evaluation, Rating, and Classificati

Labeling Experience

Virtual Experience - Shields Up (Cybersecurity) (Zero-day response, ransomware bypass)

OtherRed Teaming

Completed virtual cybersecurity work focused on responding to advanced vulnerability scenarios. Addressed simulated zero-day vulnerability activity and bypassed ransomware in technical exercise contexts. Conducted vulnerability research and communicated technical outcomes while applying problem-solving skills. • Responding to zero-day vulnerability (technical) • Bypassing ransomware (technical exercise) • Vulnerability research • Problem solving and communication with Python support

2024

Virtual Experience - Koch (Accounting) (Dataset analysis for management requests)

DocumentFunction Calling

Completed virtual accounting data analysis tasks focused on understanding requests from management. Analyzed financial datasets to derive business intelligence insights. Supported decision-making with spreadsheet-based reporting and effective communication. • Analyze financial datasets • Business intelligence and process ownership support • Identify/understand requests from upper management • Effective communication and Excel-based reporting

2024

Virtual Experience - PwC (Tax US) (Tax research, calculations, automation)

Other

Performed virtual tax automation and analysis tasks to compute and reconcile tax-related adjustments. Mapped chart of accounts and calculated taxable income using book-to-tax difference logic. Communicated results through tax summary and analysis deliverables. • Chart of Account mapping and book-to-tax differences • Calculating taxable income and M-Adjustments • Tax research and tax summary/analysis • Automation and communication of outputs

2024

Virtual Experience - Telstra (Cybersecurity) (Incident triage, detection & response)

OtherRed Teaming

Completed virtual cybersecurity tasks centered on incident handling and vulnerability research. Responded to simulated malware attack scenarios by analyzing threats and mitigating impacts. Produced incident triage outputs and communicated findings through structured postmortem reviews. • Malware attack analysis and detection/response • Incident triage, postmortem, and communication • Mitigating attacks and vulnerability research • Technical design thinking with Python support

2024

Virtual Experience - ACCA (Accounting) (Accounts receivable analysis, recommendations)

DocumentClassification

Completed virtual accounting-focused analytical work involving identification of issues and recommending corrective measures. Analyzed accounts receivable information to surface irregularities and inconsistencies in financial statements. Communicated insights alongside cost-benefit judgments using spreadsheet-based workflows. • Accounts Receivable analysis and irregularity detection • Data analysis for issues, irregularities, and inconsistencies • Cost-benefit analysis and recommendation • Data mining, data presentation, and technical accounting communication

2024

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Education

Work History