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Christian D. A.

Christian D. A.

QA Engineer | AI Evaluator | Manual Testing

With over 10 years of rigorous analytical experience in the Petroleum sector, I specialize in transforming complex industrial datasets into actionable intelligence. I hold a B.S. in Petroleum Engineering (Full Coursework Completed; Degree Pending), now fully transitioned into Applied Data Science and AI Engineering. I specialize in bridging the gap between raw data and practical, real-world solutions that help businesses make informed decisions. ​My passion lies in statistics, programming, and leveraging the latest AI technologies to build efficient, scalable tools. Whether you need an intelligent chatbot, a data pipeline, or a web app, I can help. Technical Skills & Quality Assurance: - User Acceptance Testing (UAT) & QA: Conducting structured testing to ensure optimal system functionality and a high-quality user experience (UX). - AI Evaluation: Interacting with and testing cutting-edge voice and text AI assistants to evaluate their performance and capabilities. - Defect & Bug Reporting: Meticulously identifying and thoroughly documenting technical issues, linguistic errors, and contextual misunderstandings for developers. Content Verification & Data Processing: - News Verification & Fact-Checking: Reviewing, curating, and filtering data and news events to ensure strict accuracy, relevance, and newsworthiness. - Audio Processing: Capturing high-quality voice recordings and accurately transcribing spoken audio into written text for data tasks. Linguistic & Professional Skills: - Bilingual Proficiency & Linguistic Accuracy: Leveraging Native Spanish (Mexico) and professional English to ensure cultural and contextual accuracy while collaborating effectively in remote, independent workflows.

🇲🇽Ciudad de Mexico, Mexico$7/hr100% JSS4.11 (2)Since Mar 2023

Earnings and projects

MRR
$349

Last 6 months ÷ 6

World#92,297 / 412k
🇲🇽Country#1,037 / 3,563
Revenue, last 30 days
$0

Last 6 months: $2.1k

Total earnings
$3.4k

Billed in all: $3.5k

World#287,790 / 412k
🇲🇽Country#2,594 / 3,563
Per project
$566

$2.1k in the last 6 months

World#171,282 / 412k
🇲🇽Country#1,473 / 3,563
Projects, last 6 months
1

Across 2 contracts

50% fixed50% hourly
World#128,092 / 412k
🇲🇽Country#955 / 3,563
Projects in all
6

Across 9 contracts

78% fixed22% hourly
World#250,290 / 412k
🇲🇽Country#1,531 / 3,563

Earnings, last 30 days

$3.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$3,450$3,500$3,550$3,600Oct 8Oct 23Nov 7

Skill rankings: Top 18% in English

Ranked by MRR among everyone on Upwork with the skill.

  1. #24Microsoft SQL SSAS112 freelancers · 🇲🇽 #1Top 21%
  2. #33Test Report140 freelancers · 🇲🇽 #1Top 24%
  3. #145Transcript674 freelancers · 🇲🇽 #7Top 22%
  4. #796Jira3,199 freelancers · 🇲🇽 #6Top 25%
  5. #834Spanish3,288 freelancers · 🇲🇽 #83Top 25%
  6. #939Slack3,033 freelancers · 🇲🇽 #13Top 31%
  7. #1,124Typing5,170 freelancers · 🇲🇽 #12Top 22%
  8. #3,082English17,148 freelancers · 🇲🇽 #67Top 18%