Skip to content
BackNov 7
Ruben L.
Upwork badge

Ruben L.

AI QA Specialist | Data Research, Verification, & Process Optimization

Consistent Top-Rated UpWorker! With over a decade of experience as an online freelancer, I specialize in delivering top-notch virtual assistance and research services. My expertise spans various industries, including Education, Business and Finance, Real Estate, Marketing, E-Commerce, Science & Technology, Healthcare, and IT. As AI becomes increasingly integrated into business operations, I focus on the skills that remain highly valuable in the AI era: critical thinking, accuracy, analytical judgment, fact-checking, and problem solving. I help businesses improve reliability by validating information, identifying inconsistencies, evaluating AI-generated outputs, and optimizing workflows for better efficiency and quality. My background combines strong analytical STEM training with extensive experience in research, QA, virtual assistance, AI evaluation, and operational support. I adapt quickly to unfamiliar systems, follow complex instructions effectively, and maintain a high standard of accuracy across detail-oriented tasks. ☑️Key Points: ● Versatility: Equipped with a strong foundation in chemical engineering, I bring a unique blend of skills that covers various STEM disciplines such as Chemistry, Biology, Physics, Calculus, Advanced Engineering Mathematics, Statistics, Accounting, and Economics. ● Adaptability: I take pride in my ability to tackle unfamiliar tasks, follow complex instructions, and quickly adapt to new software and tools necessary for project success. ● Project Focus: I've successfully undertaken projects ranging from web research (including Data Analysis, Market Sizing, Competitive Analysis, and AI Research) to serving as a Virtual Assistant for specific industries like Education, Real Estate, and E-commerce. ● Quality Commitment: Striving for excellence, I prioritize speed, accuracy, and high-quality output in every project. I excel in tasks such as email organization, MLS data entry, property tax management, and website testing for functionality and bugs. ● Communication and Work Ethic: I believe in strong communication and a robust work ethic to ensure the best outcomes for my clients. I'm dedicated to continuous learning, embracing challenges, and thriving in diverse work environments. ☑️Special Skills: ● Web Research: Data Analysis, Market Sizing, Competitive Analysis, Boolean Searching, AI Research ● Education: CPCU exam certifications, ASVAB, NBCOT, MCAT ● Real Estate VA: Email Organization, MLS Data Entry, Property Tax Management ● E-commerce: Magento, Amazon ● General VA: Social Media Management, Transcriptions, Data Entry, QA, Language Learning Model (LLM) Training, ChatGPT ●Testing: Website testing for functionality and bugs

🇵🇭Cagayan de Oro City, Philippines$20/hr100% JSS4.91 (76)Since Nov 2011

Earnings and projects

MRR
$2.1k

Last 6 months ÷ 6

World#20,684 / 412k
🇵🇭Country#2,166 / 56.3k
Revenue, last 30 days
$2.1k

Last 6 months: $13k

World#20,055 / 412k
🇵🇭Country#2,312 / 56.3k
Total earnings
$158k

Billed in all: $163k

World#21,822 / 412k
🇵🇭Country#2,152 / 56.3k
Per project
$1.8k

$13k in the last 6 months

World#82,080 / 412k
🇵🇭Country#16,831 / 56.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇵🇭Country#14,297 / 56.3k
Projects in all
86

Across 98 contracts

47% fixed53% hourly
World#33,682 / 412k
🇵🇭Country#2,127 / 56.3k

Earnings, last 30 days

$163k+$2.1k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$160k$162k$164kOct 8Oct 23Nov 7

Skill rankings: Top 2% in Research Papers

Ranked by MRR among everyone on Upwork with the skill.

  1. #25Topic Research979 freelancers · 🇵🇭 #8Top 3%
  2. #33Error Detection1,140 freelancers · 🇵🇭 #11Top 3%
  3. #36Quantitative Research571 freelancers · 🇵🇭 #1Top 6%
  4. #39Spreadsheet Software1,261 freelancers · 🇵🇭 #12Top 3%
  5. #52Research Papers2,123 freelancers · 🇵🇭 #5Top 2%
  6. #87Accuracy Verification2,777 freelancers · 🇵🇭 #44Top 3%
  7. #176Airtable2,685 freelancers · 🇵🇭 #13Top 7%
  8. #207Online Research8,217 freelancers · 🇵🇭 #66Top 3%