Pieterjan D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Hi there! I am a highly detail-oriented and versatile freelancer with over 10 years of professional experience, combining rigorous quality assurance (QA) with strong technical acumen and a proficiency in multiple languages. My background is ideal for data processing, large-volume document preparation, AI training/LLM evaluation, and meticulous content review. I have lots of practical experience in quality analysis, data annotation, and bug triaging. I excel at maintaining accuracy and consistency across many platforms including Windows, macOS, and Linux/*BSD. I am a quick learner and skilled in independent, flexible work. My core technical proficiencies include Shopify, Google Workspace/Microsoft Office, and shell scripting & SOHO system administration. As a native speaker of both Dutch/Flemish and English (with basic fluency in French and German), I offer exceptional multilingual support. You can rely on my 90+ WPM typing speed, strong time management, and unwavering dependability to deliver precise, high-quality results for every long-term or short-term contract.